RenewableNeil

@Nickfromwales Yes I’m trying to avoid a retrofit to a wet central heating system with radiators. I’m aware that there are water to air heat exchangers out there that could fit our system (eg Johnson and Starley Aquair and the Multicalor HIU) but the air to air solution seems so much more efficient and current. Thanks for your reply!

@Radian thank you very much for this link. Seems like exactly the kind of product I’m after. I will do some more research on it. 👌

@severnside Your set up looks really interesting. How is it performing in the colder months in terms of COP heat output and comfort levels? I have a 30 year old Lennox G10 Gas Warm Air heater that will need replacement soon, and I’d like to use the existing ductwork of the property with an air con unit - very similar to your set up. The difference with ours is that the boiler is inside the house, so noise levels do become an important consideration. Also I see from your photos that your unit is hanging off a concrete slab. We would have joists there - I’m wondering if they would that be strong enough to hold this unit. Thanks in advance!

Hi there, I’m quite new to forums but this site looked really interesting so happy to give it a go. I’m particularly interested in hearing about Air to Air ASHPs (or air conditioning units with heat pumps) that could be integrated into the existing ductwork of a 1960s property. It is currently being heated by a 30 year old Warm Air Gas Boiler (Lennox G10) that is still going strong but is probably nearing the end of it’s life and it’s feels like the right time to start considering renewable options. Thanks!