Last seen: Sep 21, 2021
Oh, and refrigerant type + exact compressor model (and of course compressor type), regenerator performance (if used), and may be something else. Per...
@heacol It depends. It depends on a heat exchangers type (plated or DIY), exchangers surface (m2), floor and ground loop performance (m2 of liquid p...
@heacol Hm, 404.. I've checked this one ) Or "Renewable Heating Hub Forums -> Grounds Source Heat Pump (GSHPs) -> DIY Heat Pump co...
@editor, Thank you! @heacol Here is a topic with a short description . The main repository (source code, gerber, etc., and a lot of text) is on...
Hi, all. I'm a newbie. Last few years, I have developed DIY heat pumps and created a DIY heat pump controller. I will post my research results here....
Latest Posts
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RE: Is Your 6kW Air Source Heat Pump Really a 6kW?
There are various ways to look at things related to CoP...
By Johnmo , 3 hours ago
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RE: IVT Greenline high pressure switch and electrical cassette errors
@abbote thanks for that advice.There was a bit of air i...
By tdudgeon , 4 hours ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
One manufacturer Viessmann has to have their buffer, as...
By Johnmo , 6 hours ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide
Good luck, I hope it all works out!
By JamesPa , 24 hours ago
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@johnd it's a difficult one, because we've seen instanc...
By Mars , 1 day ago
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RE: Is your heat pump insured?
@johnmo sorry it comes across like that. The post is au...
By KevinPotts , 1 day ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@johnmo Perhaps a little detail might explain my reason...
By Toodles , 1 day ago
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Win a 6-panel PV courtesy of egg and Renewable Heating Hub
Our epic giveaway just went live! Want to win a 6-pan...
By Mars , 2 days ago
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RE: Yes, the "zoning with ASHP" topic again...
James, thanks again for your thoughtful and persistent ...
By HarryRea , 2 days ago
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RE: Is this normal? Click of the DHW returning to space heating
So the Lone Ranger returned today! Even though we thoro...
By Grantmethestrength , 2 days ago
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RE: Vaillant & OVO partner up to offer Heat Pump Plus
Hopefully iv done the right thing today by signing up t...
By Westkent , 2 days ago
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RE: Battery sizing - How low can you go!
My own experience with connecting four batteries to thr...
By Transparent , 2 days ago
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RE: Plate heat exchanger considerations
Work on 2-3 percent per degree. This is a reasonable e...
By JamesPa , 3 days ago
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RE: Advice for ground source heat pump in new build with PV and batteries
The useful bit is the bit that specifies the heat loss ...
By JamesPa , 3 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
You’re absolutely right that during defrost the refrige...
By Mars , 3 days ago
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@editor thanks Mars that’s the same table I found in th...
By Gary , 3 days ago
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RE: Tariff and charging strategy advice please
They haven't asked me to prove that I have an EV (I do)...
By JamesPa , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Took a while to find on the OFGEN site: ”The FIT sche...
By AgentGeorge , 3 days ago
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RE: why solar diverters for HW instead of the heat pump?
For me there are few factors why you may want to heat w...
By Johnmo , 3 days ago
