
How much does our heat pump cost to run?
An eminently sensible and simple question… …that is surprisingly complicated to answer. Hang on, here goes. The heat pump keeps track of the electricity it consumes – that’s a good start. Here are the numbers for December. So in December the heat pump used 692 kWh of electricity. There’s two problems – firstly there’s no way of knowing how accurate these numbers are – they are certainly inaccurate when the heat pump spends a lot of time in standby – Mitsubishi admitted there was a bug. In December the heat pump spends most of its time heating so, fingers crossed, … Continue reading How much does our heat pump cost to run?