mhrfm

29kWh/ day is excellent. Our our air source heat pump does double that at current temperatures. This year, we’ve run our system bivalent. ASHP when it’s mild, and HVO (biofuel) boiler when temperatures drop and ASHP is less efficient. It’s worked well: https://myhomefarm.co.uk/going-bivalent-ashp-hvo

1. Yes. 2. yes 3. yes (cleaning products) 4. we take in this responsibility ourselves 5. Yes 6. no

We’ve gone down the air source heat pump route. You might find this interesting, because we share how and why we chose an air source heat pump to heat our home, and discuss some our experiences with installers. You can the check out our installation experience fitting an air source heat pump and new water tank in our Victorian farmhouse. Air source heat pumps are really worth looking into.