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How do I make my home more energy efficient? Green Deal or independent assessment
Posted by Cathy Debenham on 27 June 2013 at 8:34 am
Our 1950s chalet bungalow home is cold and quite expensive to heat even though we have installed cavity wall and loft insulation, and it is double glazed. It would be warmer if we put the heating on longer, but it would also cost more to heat, and emit more carbon dioxide, and we're want to a…
Energy efficiency can add up to £25k to the value of your home
Posted by Cathy Debenham on 26 June 2013 at 9:15 am
Improving the energy efficiency of your home can increase its value by up to £25,000 depending on where you live. New research for DECC (the department of energy and climate change) found that increasing the energy performance certificate (EPC) of an average home in England from band G to E…
How to get started with the green deal: my experience
Posted by Cathy Debenham on 25 June 2013 at 11:37 am
The Green Deal is the government's scheme to encourage people to increase the energy efficiency of their homes, by taking away the barrier of upfront cost. While the government is keen to meet carbon emissions targets, the benefits for the rest of us are also warmer homes, and lower energy bi…
Review of Elios4you energy management system
Posted by Cathy Debenham on 24 June 2013 at 9:25 am
I'm often surprised about how much electricity my solar panels generate, even on a cloudy day. Despite it being June, I'm writing this wearing a thick fleece to keep warm, and looking out at around 90% cloud cover, yet my Elios4you device shows me that our 2kWp solar PV array has been ste…
Revolutionary solid wall insulation system wins Ashden Gold Award
Posted by Cathy Debenham on 21 June 2013 at 9:17 am
Internal solid wall insulation is generally accepted to be pretty disruptive, with residents often moving out for up to a fortnight while their home is insulated. Not any more. A new system developed in partnership by the Sustainable Energy Academy (SEA) and social housing contractor United …
What happens to excess solar power when the batteries are full?
Posted by Chris Rudge on 20 June 2013 at 9:25 am
Q: I want to find out how my solar panels deal with excess solar power when the batteries are fully charged. It is a 24 volt system: 4 x 165 watt panels into 2 kW inverter stand alone system. A: As an off grid, stand alone system, I assume your power usage is quite low if the bat…
Win a copy of Old House Eco Handbook (worth £30)
Posted by Gilly Jones on 19 June 2013 at 9:10 am
YouGen is giving away a copy of the brilliant Old House Eco Handbook worth £30. To thank you for Liking our Facebook page before the end July 2013, we will enter you in the draw to win. This guide, which is published in association with the Society for the Protection of Ancient Building…
What happens to the feed-in tariff if I switch energy suppliers?
Posted by Cathy Debenham on 18 June 2013 at 2:56 pm
Q: I'd like to look for a different energy provider (my current one, nPower isn't paying its tax!). However, I don't want to lose my feed-in tariff (FIT) payments. Can I reapply for them with my new supplier and is it a complicated procedure? Or will my old supplier keep paying the FI…
How can I future-proof my heating and hot water?
Posted by Paul Hutchens on 17 June 2013 at 10:04 am
Q: I need to upgrade my heating and hot water system. I am on mains gas and will move to an unvented system. I have looked at heat pumps but the size and location of my property does not seem to make this a sensible choice at the moment. I even considered a thermodynamic solar pa…
Risks identified for buyers as two-tier market for heat pumps emerges
Posted by John Barker-Brown on 14 June 2013 at 10:04 am
With the uncertainty caused by another delay to the domestic renewable heat incentive (RHI) scheme, we are seeing a two-tier market for heat pumps emerge, where some people are opting for the cheaper option of using products and installers who are not accredited under the microgeneration certific…
How important is the efficiency of solar panel?
Posted by Chris Jardine on 13 June 2013 at 10:05 am
A more efficient solar panel is a better one, right? Well arguably, but it doesn’t necessarily make it the most appropriate choice for use in any given situation. That's why I'm starting my series on what is the ‘best’ solar panel by looking at the sometimes c…
Is the UK low carbon heat industry ready to deliver? A case study of a customer who can't buy a heat pump
Posted by Jennifer Arran on 10 June 2013 at 9:16 am
Is the renewable heat industry ready to deliver? This critical question was raised by the most recent interviews in our on-going research program. The Microgen Insight Service carried out in-depth phone interviews with owner-occupiers on- and off-gas, including a a small number of …
What is the feed-in tariff rate with inflation rise?
Posted by Cathy Debenham on 7 June 2013 at 10:09 am
Q: My PV installation is now 2.5 years old. The feed-in tariff (FIT) is supposed to rise with inflation each year but wherever I search on the web I can only seem to find the rates for new installations. I am registered with Scottish and Southern who no longer provide a breakdown of payments and …
Have pigeons been playing on your solar panels?
Posted by Cathy Debenham on 6 June 2013 at 9:57 am
See more recent entry here: Pigeons under the panels - what can you do to protect your roof-mounted solar PV? "We had our solar panels installed in January last year and are very pleased with their efficiency," writes a YouGen reader. "However, something that no-one mentio…
What makes an energy efficient vaccum cleaner?
Posted by Ross Lammas on 3 June 2013 at 9:21 am
We typically spend one hour a week vacuuming according. Although rather dull, this fact makes it easy to work out how much it costs in electricity usage. You simply look for your vacuum cleaner's motor power, which is usually quoted in watts, then use Sust-it’s energy calculator t…
Reader's tip of the month - May 2013
Posted by Cathy Debenham on 31 May 2013 at 11:13 am
Retired, and living in a detached dorma bungalow built in the 1960s with almost no insulation, Tony Seaford and his wife were interested in reducing their domestic carbon footprint as much as they could without moving. "After double glazing and cavity wall insulation, we spent £800…
Which is the the best heat pump?
Posted by Graham Hazell on 30 May 2013 at 11:47 am
“Which is the best heat pump, in your view?” is the question I’m most frequently asked by callers to the Heat Pump Association's information desk. I usually turn the question back and ask them, in their view, which is the best car. Straight away they ask “what do you w…
Can I charge my tenants for solar generated electricity?
Posted by Chris Rudge on 28 May 2013 at 9:01 am
Q: I have a property which is a farmhouse with attached barn conversion. I live in the barn and I rent out the attached house to tenants. The two properties are on one electric supply and we have PV array on the barn roof with meters in both properties so we can monitor who uses how much electric…
How does underfloor heating work? Your questions answered
Posted by NicoleYouGen on 24 May 2013 at 9:52 am
What is underfloor heating? Underfloor heating can be either a system that pumps warm water through piping under the floor (a ‘wet’ system) or electric coils placed under the floor (a ‘dry’ system). Taking advantage of the basic principle that heat rises, warmth from u…
What happens to the FIT if your solar panels are destroyed in a fire?
Posted by Cathy Debenham on 23 May 2013 at 9:48 am
Q: We fitted a 3.2kw solar panel system in August 2011 were on the higher levy (feed-in tariff rate). We had a house fire in March 2012 and rebuilt the house putting a complete new system on it. We notified British Gas, who we signed up with about the fire and they said notify them when we …
How free biomass boiler deals may lose businesses £23k a year
Posted by Amanda Hobbins on 21 May 2013 at 10:37 am
Companies offering free biomass boilers to replace your oil- or LPG-fired boiler take the Government’s Non-Domestic RHI tariff payments instead of up-front payment for the installation. This is fine if you really can’t afford to buy your biomass boiler yourself, and you’ll still…
DECC doubles upfront grants for renewable heat technologies
Posted by Cathy Debenham on 20 May 2013 at 3:32 pm
More help with the upfront cost of installing renewable heat is now available as the Department of Energy and Climate Change announces a doubling of the Renewable Heat Premium Payments. These money off vouchers have been increased to: £2,300 for ground source heat pumps £2,0…
Will solar PV power my underfloor heating?
Posted by Paul Hutchens on 20 May 2013 at 9:29 am
Q: We are having a 4kW solar pv system fitted. We are also considering electrical underfloor heating. After reading some very interesting pages on your site I am beginning to wonder if electrical underfloor heating is the best option as this will mainly run when it is dark? Is my thinking flawed …
How do I find the best performing heat pump?
Posted by Cathy Debenham on 17 May 2013 at 9:35 am
Q: There is a great deal of information on the Internet as regards heat pumps but no information about recommended manufacturers of ground source heat pumps. Please can you help me. I would like someone to recommend which ground source heat pump ie Kensa, Nibe Danfoss performs best. A: Good q…
Old House Eco Handbook: a review
Posted by Cathy Debenham on 16 May 2013 at 11:15 am
Old houses can be green. This is the title of the first chapter of Old House Eco Handbook: a practical guide to retrofitting for energy-efficiency & sustainability by Marianne Suhr & Roger Hunt. It's an encouraging start, as not everyone believes it's possible, and as a result too…
Who deals with claims on an inverter warranty?
Posted by Cathy Debenham on 14 May 2013 at 10:52 am
Q:I have a quote for the installation of solar panels. The quote says that the inverter is guaranteed for 10 years and that the guarantee is directly with the manufacturer; ie the installer does not wish to be involved in any guarantee claims. Is this normal? Is this contrary to the Sale of Goods…
How voltage affects solar PV
Posted by James Page on 13 May 2013 at 9:40 am
As most people will know mains voltage in the UK is - nominally - 230V (it was 240V until we compromised with the European 220V supply). But why does it change in both time and place even within mainland Britain? The answer to both stems from Ohm’s law. The voltage drop in t…
Feed-in tariff rates for solar PV to fall by 3.5% from 1 July 2013
Posted by Cathy Debenham on 9 May 2013 at 12:25 pm
Feed-in tariff rates for all solar PV installations under 50kWp will fall by 3.5% from 1 July, even though the levels of installation to trigger a fall has not been reached. Under the government's rules the three monthly degression can be skipped for two quarters if uptake is low, after…
Small energy companies reluctant to offer Green Deal finance
Posted by NicoleYouGen on 8 May 2013 at 9:12 am
If you are with a smaller energy supplier, you may have to switch companies in order to get Green Deal finance through your bill. Some smaller suppliers are signed up, but some are strongly against the Green Deal, while others are waiting to see how it goes before taking part. So which compan…
Heat pumps a no brainer says property developer
Posted by Cathy Debenham on 7 May 2013 at 9:41 am
A property developer in North Wales has been so impressed with the amount of energy that air source heat pumps have saved his properties over the past few years that he installed one in his own home in Colwyn Bay. "I first started using ground and air source heat pumps in my development…
Building Control regulations for solar installations in Northern Ireland
Posted by Andy Baird on 3 May 2013 at 9:15 am
Building Regulations is one of the most common things we’re asked about during initial enquiry and survey stage. This isn’t the sexiest of subjects when discussing solar PV, but it is important to understand the rules from the outset. In most cases, and without exception if solar is t…
How LED lighting can cut commercial electricity bills
Posted by Paul Hutchens on 2 May 2013 at 9:27 am
LED provides a more efficient method of producing light than other bulbs. This efficiency is because LEDs (light emitting diodes) produce light via through the movement of electrons. In contrast, traditional bulbs pass an electric current through a thin wire, halogen bulbs produce light via the c…
Why isn't draught-proofing EPC's number one recommendation?
Posted by Linn Rafferty on 29 April 2013 at 10:44 am
Q: I've been wondering about how often the EPC suggests-draught proofing and extreme draught-proofing as the number 1 recommendation? Most homes built before the 1950s are really draughty, even if the new builds have low U values for walls, floors etc or good thick insulation, it is rat…
Readers tips of the month - April 2013
Posted by Cathy Debenham on 29 April 2013 at 9:30 am
"Most cost effective measures are to improve thermal performance of property with good insulation generally," says architect Clinton. "But watch natural ventilation/airtightness to avoid condensation problems unless you are installing a mechanical ventilation system. Use as man…
Which solar panels are best?
Posted by Chris Jardine on 25 April 2013 at 12:10 pm
Choosing the best solar panel is a bit like choosing the best sandwich for your lunch. What’s better for you – a BLT or a cheese and pickle sandwich? Well, the cheese sandwich wins in terms of lower calories and lower fat, but the BLT contains more protein and more vitamins and nutrie…
DECC explains how green deal and feed-in tariffs work together
Posted by Cathy Debenham on 24 April 2013 at 12:09 pm
You can use Green Deal finance to help meet the costs of installing solar PV, wind or even microCHP* on your property and receive the Feed In Tariff (FIT) as well. Hydro generation and anaerobic digestion receive FIT but are not eligible for Green Deal finance. The amount you can finance thro…
When will I get renewable heat incentive (RHI) payments?
Posted by Cathy Debenham on 22 April 2013 at 9:17 am
A: As RHI (renewable heat incentive) payments have been delayed again till Spring 2014, do we have to wait till then to get our payment? So there will be no payment in 2013 then? Q: If you are what the government describes as a 'legacy' applicant, which means someone who has installed…
Infrared panel heating: your questions answered
Posted by NicoleYouGen on 19 April 2013 at 9:30 am
What are infrared panels? Infrared panels emit a very high ratio of heat as radiant heat. This heats objects directly, rather than warming the air (which is what convection heat does). Other examples of high-radiant heaters include portable halogen heaters, infrared outdoor patio heatin…
REAL Code becomes Renewable Energy Consumer Code (RECC)
Posted by Cathy Debenham on 18 April 2013 at 9:21 am
The consumer code for the domestic renewable energy sector has changed its name from the ‘REAL Consumer Code’ to the ‘Renewable Energy Consumer Code’ (RECC). The new name better describes the nature and purpose of the Code, and better reflects the fact that the Code is jus…
How can I prevent my solar PV panels being stolen?
Posted by Cathy Debenham on 17 April 2013 at 9:32 am
Q: I have a holiday home in France and I'd love to install solar. my concern, however, is the risk of theft. The property is quite isolated and we won't be there a lot of the time. Is it easy to take down solar panels? Are there more portable panels that lend themselves to this bette…
And the winner is .....
Posted by NicoleYouGen on 16 April 2013 at 9:30 am
YouGen's energy saving and renewables photo competition has ended, and with a great selection of submissions from across the country. We had photos of DIY, wood-burning stoves, solar panels and windmills. Some of the photos were funny, and some artistic, but they all inspired energy effi…
Key things to consider before installing a heat pump
Posted by John Barker-Brown on 16 April 2013 at 8:52 am
Unlike fossil fuel boilers, heat pumps are unforgiving when it comes to sizing. With a fossil fuel boiler increasing the size to add a safety factor is generally acceptable. The cost difference between a 20kW or 30kW boiler is not large. However, increasing the size of a ground source heat pump c…
Miscanthus: a sustainable alternative to wood fuel
Posted by FairEnergy . on 15 April 2013 at 9:27 am
Concerns that we will eventually run out of biomass wood fuel have been refuted by the Forestry Commission which says it that the wood fuel industry will be sustainable for many years yet. It estimates that the woodfuel industry could generate £1 billion and support more than 15,000 job…
Fear and cost are the main barriers to investment in renewable energy
Posted by Jennifer Arran on 11 April 2013 at 9:48 am
Awareness of microgeneration has increased since last year, but fear has become a much stronger barrier to uptake according to our new research. Our Microgen Insight Service team held focus groups of owner occumpiers last month as part of our ongoing research programme. Some customers said fe…
Why people choose their renewable energy installer (infographic)
Posted by Cathy Debenham on 9 April 2013 at 8:10 am
Customers are looking for installers who are: Knowledgeable about the product Provide information about the products and the installation Are good value for money Seem experienced at installing Seem friendly when discussing the quote / install …
I'm ringing on behalf of the government says rogue Green Deal company
Posted by Cathy Debenham on 8 April 2013 at 9:44 am
MPs receive more letters and emails about unwanted phone calls than anything else, culture minister Ed Vaizey told Parliament last week. Well Ed and my MP are about to get another one about the dodgy callers that pretend they are calling with the government's blessing. Last week I had a c…
Radiator reflectors and boosters can keep you warmer
Posted by NicoleYouGen on 5 April 2013 at 4:21 pm
More efficient heating doesn’t always have to come with a big investment, as these two simple devices for your radiators show. Radiator reflectors* work by reflecting the heat emitted from the back side of the radiator toward the wall back into the room. Depending on your circumst…
How do I pay for energy efficiency improvements to my home?
Posted by Adam Hewson on 5 April 2013 at 12:36 pm
This is a very simple question and, a bit like Murphy’s Law, a pretty complicated answer. But, here are a few, hopefully helpful, thoughts. When we go to buy something, we all make conscious and subconscious decisions about why, when and how we do this. We often don’t realise that…
Eco showerhead can save money, energy and water
Posted by NicoleYouGen on 4 April 2013 at 9:14 am
While most of us are aware that we’ll pay higher water bills for longer showers, many people don’t realise that heating water for taps and bathing represents close to a third of the average home’s heating bill, or around £200 per year (Energy Saving Trust). Simple water sa…
A bad week for renewable energy
Posted by Stewart Boyle on 3 April 2013 at 3:54 pm
Last week was a bad week for renewable heat, and biomass especially. The announcement that there would be a significant further delay to the introduction of the domestic Renewable Heat Incentive (RHI-2) scheme finally came. With RHI payments due to start no earlier than Spring 2014, this will mak…
Underfloor insulation can dramatically improve comfort
Posted by greentomatoenergy . on 2 April 2013 at 10:04 am
Now that we’re (almost) through winter, we have had a number of calls from clients who felt the cold through their wooden floors and have asked us about insulating them. The first thing to say is that underfloor insulation can make a dramatic difference to comfort levels, particular…
One way to find out where your home leaks heat and stay warm
Posted by NicoleYouGen on 28 March 2013 at 9:17 am
Heat loss is one of the main causes of higher than necessary energy bills in the UK. In a survey NASA did of its buildings, 50% of heat loss was attributed to 5% of the surface area, what they referred to as like a prick in a balloon - all of the heat will eventually leave from even the smallest …
Special offer: Heat pump manufacturer offers free site survey, system design and handover meeting
Posted by Cathy Debenham on 28 March 2013 at 9:11 am
Sponsored blog post For over 80 years in 72 countries Stiebel Eltron has been one of the world’s leading manufacturers of green heating technologies such as heat pumps, solar panels and energy saving water heaters. With a wide range of products designed for the UK market we provide unma…
New blow to domestic renewable heat as RHI is delayed (again)
Posted by Cathy Debenham on 27 March 2013 at 10:29 am
The domestic renewable heat incentive (RHI), which was first announced in 2009, has been delayed again. Following last year's consultation, an announcement on the detail of how it would work was expected now, with the scheme starting this summer. However, yesterday it was delayed again. Y…
Manufacturers can play a key role in preventing problems with heat pumps
Posted by Cathy Debenham on 27 March 2013 at 10:13 am
Heat pumps can be a great way of heating a building if (and it's a big if) they are designed, specified, installed and commissioned right, and the building owner is given good, clear instructions about how to use the system and what the different controls do. The reason I say it's a b…
Feed-in tariff increases by RPI from 1 April 2013
Posted by Cathy Debenham on 26 March 2013 at 9:08 am
Most existing recipients of the feed-in tariff and the renewable heat incentive will receive an increase in their tariff rates in line with the retail price index from 1 April 2013. However, for some recent recipients of the feed-in tariff of solar PV the first RPI increase will not happen …
Is my roof strong enough to take solar PV?
Posted by Chris Rudge on 25 March 2013 at 9:33 am
Q: I live in an old stone cottage (c 1830) with roof rafters that I'm sure wouldn't pass current building regs for strength, even though they're not the original ones. The walls seem sound enough though. Would it be possible to put up a solar pv array that was supported on the 2 end w…
Why heat pumps are ideal for underfloor heating
Posted by Jason Hobbins on 22 March 2013 at 9:46 am
Heat pumps are the most efficient way to power wet underfloor heating systems. Unlike a gas or oil boiler, which heats water to between 65 and 85°C, a heat pump generates hot water at around 40 degrees. Walking on a 65°C floor will scald your feet and crack your floor coverin…
Five reasons why now is a really good time to install solar PV
Posted by Cathy Debenham on 21 March 2013 at 9:46 am
If you want to generate your own electricity there's not likely to be a better time than now to install solar PV panels. Global oversupply of solar panels has led to tumbling prices - but experts predict that this may not last. The feed-in tariff - the government's incentive for the t…
Find out how well solar PV works in bad weather
Posted by Chris Jardine on 19 March 2013 at 9:11 am
Snow in March? Last summer was dreadful, and seemed to rain constantly. Seems like we’ve had bad weather for ages now, and a period of prolonged sunshine seems eons ago. So we might expect the performance of solar PV systems to be equally poor over the same period of time. But j…
Enthusiasm and a warm welcome at Renewable Energy Marketplace
Posted by Alison Griffiths on 19 March 2013 at 9:02 am
Walking around the Renewable Energy Marketplace at Westpoint in 2012 I was struck by the sheer energy and enthusiasm of the exhibitors. As a business writer covering a myriad of subjects I have visited many shows and almost without fail the exhibitors tend to be a mix of the enthusiastic, the &qu…
The shock of the new: a poet's response to a solar field
Posted by Chloe Uden on 18 March 2013 at 9:27 am
Those of us who think renewables are a good idea are usually really keen that everybody else would share our views, and often disappointed when they don’t for whatever reason. It can be tempting to think that if only we were more logical, or more convincing, or more impervious to detractors…
Find out what it's like to live in an energy efficient home this weekend
Posted by NicoleYouGen on 15 March 2013 at 10:16 am
The owners of energy saving homes throw open the doors to the public from tomorrow as part of SuperHomes week (from 16-24 March 2013). This is your chance to see eco renovation at its best as pioneering owners offer tours of their homes. Admission is free and, wherever you live, there is probably…
Why isn't energy efficiency higher up the business agenda?
Posted by Alison Griffiths on 12 March 2013 at 12:44 pm
When the Government issued the UK’s Energy Efficiency Strategy in late 2012, the measures received broad support from many including the CBI. Designed to "maximise the benefits of existing policy and to realise the wider energy efficiency potential across the UK economy" the strat…
Renewable technologies work together at Devon vineyard
Posted by NicoleYouGen on 11 March 2013 at 10:50 am
Different renewables technologies can complement each other when used in tandem, as Pebblebed Vineyard’s Clyst St. George Vineyard in Devon shows. A solar thermal system became the farm's newest renewable energy installation in November 2011, adding to solar PV and a…
Dishwasher vs hand washing: which is most energy efficient?
Posted by Ross Lammas on 6 March 2013 at 10:03 am
A simple internet search shows that the dishwasher versus washing up by hand debate can be the subject of much debate and heated argument. In the dishwasher’s favour, research carried out by Bonn University in 2003, found that, when used efficiently (ie run fully loaded) dishwashe…
How our air to air heat pump keeps the house warm and bills low
Posted by Keith Searle on 5 March 2013 at 9:04 am
Our entire house has been nice and warm since we installed our air source heat pump in December 2011, and on the odd hot day in the summer it has cooled the living room. We leave it switched on 24hrs per day and it keeps on blowing out warm air at about 35 degrees-even on below freezing…
Which energy saving measures qualify for lower VAT rates?
Posted by Colin Lothian on 1 March 2013 at 9:12 am
Q. I have had an air pump system installed by Ice Energy, very helpful and efficient company. However, to meet the radiator specifications I had to change all my radiators for larger ones. Ice Energy do not supply radiators so I had to buy locally. This did not qualify for the reduced VAT for ene…
Win a home energy saving pack worth £157 in YouGen's photo competition
Posted by NicoleYouGen on 28 February 2013 at 9:22 am
There's a reason for the old maxim that a picture is worth a thousand words. While we write lots about how to save energy in your home and businesses, we think that the stories told by people who've done stuff and what inspires others to give it a go. And pictures tell a great story. …
Readers tips of the month disagree about solar switching devices
Posted by NicoleYouGen on 28 February 2013 at 9:02 am
This month, our readers have given some conflicting tips about solar heater switching devices. Ted from Cornwall installed an Immersun system to route surplus power from the solar panels into the immersion on the cylinder. He is happy and says ‘even in February the panels are…
Don't limit your solar PV system to 4kWp
Posted by Gabriel Wondrausch on 27 February 2013 at 9:37 am
During a typical week at SunGift Solar I can visit a huge range of people. From young professional couples eager to gain an additional income from the feed-in-tariff, through middle aged families looking for security against increasing electricity costs, to Eco-warrior pensioners who want to save…
How solid wall insulation cut my energy bills to a fraction of the UK average
Posted by Eric Blakeley on 27 February 2013 at 9:10 am
My house is mid-terrace with three bedrooms and is south facing. It was built in 1920. Our solid walls were exterior insulated under a government grant scheme for the over 70s three years ago. The insulation is 50mm Phenolic foam, rendered then painted. Electricity consumed from 9/11/20…
Heat your home with passive solar energy
Posted by Tim Pullen on 26 February 2013 at 11:01 am
It is quite possible to benefit from solar energy without the need for external mechanical means such as solar panels. It is closely related to architecture and was well understood in the ancient world. The Chinese, Greeks, Romans and North Africans have been building houses that use solar energy…
Is the Green Deal right for me?
Posted by Chris Newman on 25 February 2013 at 9:13 am
Here at Parity, we are getting more and more calls from people who start the conversation with some variation on the theme of “is the Green Deal any good for me?”. Given the bad press it’s had over recent weeks and months, you’d be forgiven for thinking that was a pretty e…
How renewable energy installers can deliver better service (infographic)
Posted by Cathy Debenham on 21 February 2013 at 10:39 am
After warranties, an instruction booklet is the most important feature of after sales service that you can offer microgeneration customers according to research by Delta Energy and Environment. This offers installers a great opportunity to shine and to differentiate themselves fro…
Superhome status reached via 25 years of incremental home improvements
Posted by Keith Searle on 19 February 2013 at 3:20 pm
I was interested in saving energy long before I had ever heard of Superhomes. It just seemed like good old common-sense to me. My philosophy has always been to insulate first, reduce what you consume, and then worry about the power source. A lot of the early work I did mysel…
Get YouGen discounts for the South West's biggest renewables and energy efficiency event
Posted by NicoleYouGen on 18 February 2013 at 2:37 pm
The Renewable Energy Marketplace (REM) is the Southwest's biggest energy event covering renewables, energy efficiency and generation. It returns to Westpoint, Exeter on 19 March 2013. Whether you're a homeowner considering a solar installation, a business owner looking to cut energy …
Green Deal finance will work with FITs and RHI
Posted by Cathy Debenham on 18 February 2013 at 9:59 am
Mixed messages have been circulating about how - or whether - Green Deal will work with the government's financial incentives for renewable heat and electricity generation. Last week the Department of Energy and Climate Change confirmed in a letter to installers that householders can claim a …
How to optimise electricity supply in your business
Posted by Paul Hutchens on 18 February 2013 at 9:33 am
There are a number of technologies available to cut energy demand and reduce electricity bills for businesses. The first that I would like to talk about is one that optimises and harmonises your electricity supply. It is relatively straightforward and very robust technology with few moving parts.…
The business significance of the Government's solar step change
Posted by Phil Nelms on 14 February 2013 at 8:34 am
The addition of Solar PV to the government’s Renewables Roadmap is highly significant. After a year dominated by cuts, consultations and legal challenges in the solar industry, as well as rising fossil fuel prices for everyone else, that there has been an attitude shift within the corridors…
Air source heat pumps keep hotel guests happy, warm, and intrigued
Posted by NicoleYouGen on 12 February 2013 at 9:02 am
An air source heat pump system has proven a positive alternative to LPG at Wirral’s award winning Mere Brook House Hotel. Mere Brook is a converted Edwardian country house which offers high quality bed and breakfast and facilities. When they were renovating their premises, the owners …
Estimates of solar PV will improve with launch of new PV Guide
Posted by Cathy Debenham on 11 February 2013 at 9:46 am
The estimated performance of solar PV systems will be significantly more accurate in future, following the publication of the long awaited new PV Guide, and the newly updated standard MIS3002 issue 3.0. The new standards for solar PV installations were finally launched last week by Climate Ch…
What to do if your ground source heat pump costs too much to run
Posted by Jason Hobbins on 8 February 2013 at 10:22 am
Q. Hi wondering if anyone else has had huge problems with a ground source heat pump. Had mine installed when the house was built and have no end of problems......largest and most pressing is the fact that it is costing me around £20 per day to run - which is astronomical and unsustainable! …
Wise up when buying solar, double glazing and insulation
Posted by Cathy Debenham on 5 February 2013 at 9:22 am
Last month the Office of Fair Trading announced that it has written to 50 leading businesses in the energy efficiency sector asking them to ensure they are providing consistently good standards to consumers. This is because the watchdog is concerned about pressure sales techniques, unclear inform…
NIROC: the financial incentive for solar PV in Northern Ireland explained
Posted by Andy Baird on 4 February 2013 at 9:07 am
Since 2002, solar PV has been installed in Northern Ireland across schools, colleges, local council buildings and hundreds of social and private homes. Although Northern Ireland doesn’t have FiTs (Feed In Tariffs), there are still three ways you will save money and make money by going…
Is biomass heating suitable for urban flats?
Posted by FairEnergy . on 1 February 2013 at 12:10 pm
Q: Is it possible to install biomass heating systems into blocks of flats? A: The short answer to this is yes.So long as there is suitable space that can be allocated to the scheme, inside or outside, a suitable pellet, wood chip or even log system can be designed to supply heat through a cen…
Readers tips of the month - January 2013
Posted by Cathy Debenham on 29 January 2013 at 10:35 am
Keeping warm is a bit of a theme for this month's tips. Mark Griffiths lives in a solid-wall 1930s house and works from home. He writes: " we brought in a company to help us dry-line part of our home office - an upstairs bedroom. We lost ten inches of space, but gained immensely in heat …
Has EDF had a change of heart on feed-in tariff administration?
Posted by Cathy Debenham on 29 January 2013 at 9:04 am
Edit: Please see below for updated information about this blog post Feed-in tariff (FIT) applications close the deadline for a rate change have always been a worrying time. Will the system be registered on time? Will you get the expected higher rate? With most companies it's just a matter…
Will cavity wall insulation prevent condensation?
Posted by greentomatoenergy . on 28 January 2013 at 3:14 pm
Q: I have what I believe to be a condensation problem in a bungalow bedroom semi outside wall. I have been offered free cavity wall insulation but a proper survey ( checking cavity snots) was not done. Would cavity wall insulation if done/surveyed correctly prevent condensation and who could I tr…
Let's not kill the Green Deal with negativity before it's had a chance
Posted by Cathy Debenham on 28 January 2013 at 10:05 am
Today, at last, the Green Deal is open for business. I struggle to think of any proposal that's been so talked about (and so derided) before it even started. So it's not surprising that its launch has been met with a tide of negativity too: it's not ambitious enough say some. Others f…
Why energy efficiency is important in non-domestic buildings
Posted by Paul Hutchens on 25 January 2013 at 9:16 am
The rising costs of energy in the UK are a major concern for businesses and households. 68% of the UK's biggest companies regard 'improving operational energy efficiency' as a 'major opportunity' for their business according to research carried out last year by Green Monday in…
Green Deal: Deal of the day or deal of the decade?
Posted by Adam Hewson on 24 January 2013 at 9:06 am
For those of you who are reasonably well read on all things energy efficiency and renewables, you could be forgiven for being confused about the success of the Green Deal. A simple search will give a plethora of articles, forum comments and blogs about the subject but my guess is that 80-90% woul…
Use carbon tax to eliminate fuel poverty, PM told
Posted by Cathy Debenham on 22 January 2013 at 5:17 pm
We're pleased to be one of the 100 signatories sent to Prime Minister – The Rt Hon David Cameron MP yesterday. If you agree, then please sign the Energy Bill Revolution petition, and tell your friends about it too. Dear Prime Minister Millions of households across the UK will st…
What is thermal bridging in insulation, and should I worry about it?
Posted by Chris Newman on 22 January 2013 at 2:10 pm
Q: I've been told to watch out for thermal bridges in solid wall insulation. What does that mean? A: Thermal bridging is often talked about as a major concern for anyone who has an interest in making their property more energy efficient, but what does the term mean? Put simply, it that oc…
Is the extension of my solar PV system eligible for higher rate FITs?
Posted by Cathy Debenham on 21 January 2013 at 9:08 am
Q: We originally installed 7.23 kW Solar PV for our home a few years back that qualified for the higher band of feed-in tariff (FIT). Just this month we have installed an extension of an additional 15 kW. We understood this to be an extension to the original system and that the extension would be…
Consumer protection in the Green Deal 3: EPC standard occupancy
Posted by Linn Rafferty on 18 January 2013 at 10:38 am
The previous instalment of my blog about Consumer Protection in Green Deal covered Green Deal Finance and the role of Green Deal Advisor. I explained the Golden Rule, and how it depends on the calculated cost savings from installing the energy efficiency measure. We saw that the cost saving…
15 more measures added to Green Deal as launch date looms
Posted by Pete Roberts on 17 January 2013 at 9:56 am
The long awaited and much heralded Green Deal is fast approaching. The soft launch of the Green Deal took place on 1 October 2012 and the first Green Deal finance plans will be signed on 28 January 2013. Over the past few months, installers, advisors, advisory services and providers have bee…
Solar Power UK takes to the road again - coming soon to a place near you!
Posted by Cathy Debenham on 15 January 2013 at 9:25 am
How to improve the way you sell and promote your solar business will be the focus of this year's Solar Power UK Roadshows. In February, the series of seven, half-day events will take place in locations across the UK. I am delighted to have been invited to join the speaker panel again this yea…
Planning permission not needed for (most) external solid wall insulation
Posted by Cathy Debenham on 14 January 2013 at 9:04 am
In a welcome bit of joined-up government thinking, the departments of energy and climate change and of communities and local government have clarified that the installation of external solid wall insulation constitutes an 'improvement' to a house rather than an 'enlargement' or &#…
Thermodynamic panels: your questions answered
Posted by Cathy Debenham on 11 January 2013 at 9:12 am
This blog was updated in February 2014, 6 November 2014 and 10 March 2015. If someone told you that there's a new solar panel that could heat your hot water 24 hours a day, 365 days a year come rain, shine or snow, would you believe them? It sounds too good to be true, and that always mak…
