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Calculators shed light on renewable choices
Posted by Cathy Debenham on 25th March 2009 at 11:16 am
Comparing costs of different renewable technologies and working out potential savings in cash and carbon has just got a whole lot easier. Encraft has developed a range of calculators that help you work out all the figures, so that you can see what's best for your house much more easily. Anyone can u…
Posted in: General, Energy efficiency, Biomass, Heat pumps, Solar electricity, Solar heat & hot water, Wind turbines
How to avoid bugs in your solar hot water
Posted by Paul Hutchens on 21st June 2010 at 9:07 am
The plumbing, heating and solar industry is paranoid about legionella and bacterial infections in hot water systems. This is right and proper as the consequences of legionella infection can be fatal in vulnerable people - but it is actually very rare and I am told there are no recorded cases linked …
Posted in: Solar heat & hot water
Shading has more impact on solar PV than orientation or pitch
Posted by Paul Hutchens on 9th March 2011 at 9:15 am
Many of our clients ask about the orientation and pitch of solar panels - it appears that this has been well publicised. However, the effects of orientation and pitch are less than most people think. Moving the orientation from south to south-west, for example, reduces efficiency by less than 5% as …
Posted in: Solar electricity
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