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View blog posts for category: Rainwater harvesting

Rainwater harvesting: small is beautiful

Posted by Barry Nutley on 5 October 2009 at 11:49 am

Rainwater harvesting: small is beautiful

When we think of rainwater harvesting, we tend to envisage a full scale domestic system with a large tank, say 4000 litres, buried underground, providing water to the toilets, washing machine et al. This can be a costly business (especially if it's a retrofit project) with not much change from £7,0…

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Solutions to common rainwater harvesting problems

Posted by Barry Nutley on 19 August 2009 at 2:30 pm

Solutions to common rainwater harvesting problems

This months blog offers solution to some of the possible problems people with rainwater harvesting systems may encounter. Some may appear obvious, but... 1) Toilet cisterns do not refill after flushing. i. Possible power failure to pump. Check power supply is OK.ii. Pressure switch fail…

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Welsh ease planning rules for renewable energy

Posted by Cathy Debenham on 12 August 2009 at 9:40 am

Welsh ease planning rules for renewable energy

Welsh planning rules for domestic renewable energy installations have been changed to make it easier for homeowners to generate their own heat and electricity. Following Scotland's lead, the Welsh Assembly has announced new regulations which mean that some microgeneration technologies will no lon…

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Dealing with silt in your rainwater harvesting system

Posted by Barry Nutley on 29 July 2009 at 4:13 pm

Dealing with silt in your rainwater harvesting system

Over time, silt will build up at the bottom of a rainwater tank. Imagine you have a bucket of mud and water. If you leave it, the mud will settle at the bottom leaving clear water at the top. If you then empty another bucket of water straight in, the pressure of this water stirs up the mud, making t…

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Old homes can be energy efficient: visit a superhome and be inspired

Posted by Cathy Debenham on 27 July 2009 at 9:08 am

Old homes can be energy efficient: visit a superhome and be inspired

Old homes tend to be the worst offenders when it comes to leaking hot air out into the atmosphere. This means higher than average energy bills, and correspondingly high carbon emissions. Often labelled 'hard to treat', older homes can be more complicated when it comes to installing energy eff…

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Maintaining your rainwater harvesting system

Posted by Barry Nutley on 22 July 2009 at 9:10 am

Maintaining your rainwater harvesting system

How much maintenance of a rainwater harvesting system is needed, is a common question. As with any appliance, regular maintenance ensures optimum performance, and increases life. So here I aim to answer some of the common questions: 1. Do I have to clear the leaves out of the filter?Not necessar…

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Rainwater tank: underground or overground?

Posted by Barry Nutley on 29 June 2009 at 9:26 am

Rainwater tank: underground or overground?

In rainwater harvesting retrofit projects, the cost of installing a kit underground can seriously impact the financial viability, and ultimately put people off the idea. Below are some considerations to help you make the right decision: 1) Pros for underground: a). No unsightly equipmen…

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Rainwater harvesting is good for business

Posted by Barry Nutley on 18 May 2009 at 11:08 am

Rainwater harvesting is good for business

Rainwater harvesting systems can provide a variety of economic benefits to businesses. Alongside the standard irrigation and toilet flushing, it can also be used for cooling systems. In some areas it also reduces the risk of flooding. Generally, the systems with the fastest payback periods us…

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Renewable energy made normal

Posted by Cathy Debenham on 15 April 2009 at 8:19 am

Renewable energy made normal

Congratulations to the Forestry Commission in Wales which is doing a great job of bringing renewable energy into the mainstream. We had a well-earned rest over Easter at Nant yr Arian, near Aberystwyth. Though our main reason for going there was the excellent mountain bike tracks they've built there…

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Ban power showers?

Posted by Barry Nutley on 11 April 2009 at 10:15 am

Ban power showers?

Banning power showers was the subject of a debate on Jeremy Vine's show on Radio 2 last Monday. It prompted many a response from listeners. The facts surrounding our lack of water in many parts of the UK are reasonably well documented (including on previously blog posts on this site), so the idea is…

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Building a new home?

Posted by Barry Nutley on 23 March 2009 at 8:57 am

Building a new home?

Houses are being built, even during these hard, economic times, in particular in the self-build market. These homes tend to be more bespoke, and often the client wants them to achieve higher standards of energy efficiency. So I have put together a brief summary of how rainwater harvesting can help. …

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Bigger is still best!

Posted by Barry Nutley on 25 February 2009 at 11:24 am

Bigger is still best!

Domestic applications of rainwater harvesting have been the focus of previous blogs. However, there is even more potential in commercial buildings. With current economic conditions, we all need to reduce costs, and/or increase sales. Rainwater harvesting can help both: Rainwater can be used to…

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Is bigger better?

Posted by Barry Nutley on 11 February 2009 at 9:38 am

Is bigger better?

Renewable energy can be a little confusing. For example, explaining to some people that doubling the size of a solar thermal system isn't necessarily a good thing, but doubling the size of a solar PV system is; doubling the size of a heat pump isn't a good idea, but doubling the size of a wind turbi…

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It never rains, it pours

Posted by Barry Nutley on 22 January 2009 at 8:54 am

It never rains, it pours

Rainwater harvesting was the focus of my last blog. Today I want to get you thinking about water, and what it means for us in the UK. Keen gardeners and allotment owners, are well aware of the issues with water. While a good bit of rain is great, a torrid downpour isn't. As an allotmenteer …

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Rainwater harvesting: isn't it just a large water butt?

Posted by Barry Nutley on 8 January 2009 at 11:40 am

Rainwater harvesting: isn't it just a large water butt?

For many people, the idea of collecting rainwater, doesn't seem as sexy as, say, solar, and I know from personal experience, it's not a conversation for a first date. But it is just as important as solar and other renewable energy technologies. For my first blog, rather than write an essay on ra…

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