Replacing Willis heaters with ASHP - where to source ASHP, what to out look for, how much for install?
It's been a while since I was here. "Life issues"...!
Been using the willis heater set up for a couple of years now, and it's proven somewhat more expensive than anticipated, partly down to the electricity price rise fiasco. So I'm now looking to replace the 2x 3kW willis heaters that I had set up feeding the manifold for 150sqm of UFH.
More here on my setup:
1) Presume the feeds from ASHP will be plumbed in directly to the manifold feed and return pi
So you have 2x3kW Willis, confused why you think you need 11kW heat pump?
Unless you have poor insulation and are using additional heating not mentioned you should need no more than a 6kW heat pump. Most manufacturers seem to use a lot of common parts on a 4, 6 and 8kW units, but when you get to 11kW you are looking a big unit.
A new ASHP doesn't need to cost much, I paid £1300, from eBay.
I elected to DIY install and do what I wanted, not be pushed in a direc
