SteamyTea Posted May 16, 2020 Share Posted May 16, 2020 1 hour ago, MrsDeS said: Could you help me with the maths, please? Does this help. https://www.engineeringtoolbox.com/heat-emission-radiators-d_272.html 1 Link to comment Share on other sites More sharing options...
MrsDeS Posted May 16, 2020 Author Share Posted May 16, 2020 Thank you, people. You have been most helpful! Link to comment Share on other sites More sharing options...
jonM Posted May 17, 2020 Share Posted May 17, 2020 On 14/05/2020 at 17:05, MrsDeS said: We have one quote at the moment of £10k (plus VAT to reclaim) for a 11.5kW Mitsubishi with a 250 litre Kingspan tank. You can get an 11.5kw Mitsubishi with a 250L Mitsubishi tank for £4600 + VAT from Secon. https://www.seconsolar.com/mitsubishi-pre-plumbed-standard-cylinder-package-3364-p.asp They are trade only but should give you an account if you let them know you are a self builder. If you have a Mitsubishi registered installer locally who will install the ASHP, then this would would work out a more cost effective approach. I have a ASHP with oversized radiators. The system works very well, but my house is well insulated and airtight. 1 1 Link to comment Share on other sites More sharing options...
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