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Browse blog entries by tag: air tightness

Insulation is king

Posted by Tim Pullen on 13th March 2009 at 11:46 am

Insulation is king

Let’s be clear, the greatest environmental impact of a house is from the fossil fuels it burns for its energy. No amount of eco-certified, recycled bamboo flooring can compensate for the impact of a gas guzzling house. Conserving energy, minimising the energy needs of the house has to be the first…

Posted in: Energy efficiency


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Heat recovery ventilation - is it a retrofit option?

Posted by Tim Pullen on 20th February 2012 at 9:21 am

Heat recovery ventilation - is it a retrofit option?

Q: Is heat recovery something that can be retrofitted?  A: There are two things we need to know about heat recovery ventilation: 1. It does not work in a draughty house. In fact it needs a high level of air tightness to work at all.  2. It is big, bulky kit. Ducts …

Posted in: Energy efficiency


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