A large amount of homes in the UK were built with low energy standards. As a result of this, homeowners struggle with cold, uncomfortable draughts and high energy bills. However, once energy efficiency interventions are implemented, the lack of ventilation can cause damp or condensation problems.
A large scale field trial involving 115 homes was completed in partnership with Portsmouth City Council and Walsall Housing Group as part of the ECO3 Demonstration Action scheme. The findings of this study can be found here. In summary these were:
– AirEx results in a 12-16% reduction in whole house heat loss
– Payback in 2-3 years
– An average of 3 SAP (EPC) points improvement
Facts and Figures
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