The Greening of Hedgerley Wood

Now after ten months of operation and a lot of adjustments, we are getting a clearer idea of the running costs in terms of increased electricity.
The base case, before the heat pump started running on October 12th 2005, was that the house was using an average of 20 units (kWhs) of high cost plus […]

Before next winter we want to try and improve the performance, and cost, of the ground heat pump system. So one clear step was to put in more insulation.

Because of the strange way the house was built in the 30s, this means taking off the clapboard and fitting insultation between the timbers. We’ll see […]