Last seen: Apr 8, 2025
You can't forecast the annual generation by simple extrapolation from the winter six months. I have a winter tree shading problem (some of the trees a...
Encouragement of installers to take account of the emitters must be a good thing. It might make it more difficult for the likes of Octopus to get away...
The flow doesn't get reversed but just keeps circulating without being heated at the heat pump. Consequently there's a drop in flow temperature as the...
1970s 4-bed detached house approx 168 sq.m internal area in central southern England. Approx 200mm of roof insulation, insulated cavity walls, fairly ...
How many pipes go in/out of those tanks? Buffer tanks normally have four pipes but if there's only one pipe per tank then they are expansion tanks, he...
Further to the above I have just made some observations during a defrost cycle. My Arotherm+ kept the secondary (radiator) circuit pump running so the...
I should add that my system has two circulating pumps: One in the heat pump which circulates water to the buffer tank and DHW cylinder and one in the ...
I agree with the cost of servicing being a major disincentive for the heat pump purchase. I had hoped that investing in a heat pump and associated rad...
I've got a 7kW Arotherm+ with 50 L buffer tank (so no immediate slug of cold water going to the radiators) and see the recovery from defrosting as onl...
The condensation demonstrates that the curtains are very effective so the window gets cold. My bedroom has a fairly big (2.4m x 1.2m) north-facing win...
Curtains and the loss through the window is what I was thinking about overnight. I've got a 3m wide and two storey high north facing window in my hall...
I have to wonder if the cold lounge needs a much bigger, or additional, radiator to get sufficient heat output from water which is cooler than what th...
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RE: Confusion about heat pump sizing
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By Mars , 20 minutes ago
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We’ve published a deep dive into heat pump sizing, and ...
By Mars , 20 minutes ago
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RE: Kensa GSHP finally installed - now to start the optimisation process
Just had a quick scan of the manual and should be weath...
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RE: Potentially more choice including air to air heat pump grants
Hi all, I agree, the consultation documents are alway...
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RE: Commencing on an ASHP Installation Process
I think those are pretty much the standard figures that...
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RE: Load Compensation and Weather Compensation
I think that maybe what the adia thermal system does, b...
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RE: Enabling WiFi: Samsung ASHP on Smart Things App
@old_scientist @profzarkov thanks to you both for the v...
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RE: Nibe F2040 periodic warm water increase fails
@tribol here's an official reply from NIBE on your case...
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RE: Antifreeze top up for my heat pump - is this a rip off?
Hi guys, let’s keep this thread focused and constructiv...
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RE: Vaillant & OVO partner up to offer Heat Pump Plus
@ecodan-efficiency On the other hand, the fact that the...
By Richard24738 , 2 days ago
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RE: How accurate was your heat loss survey?
@scalextrix for our house 1950s detached the air leakag...
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RE: Air Changes per Hour - ACH and the MCS requirement
@matwin If you plan to commission one it might b...
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RE: Jokes and fun posts about heat pumps and renewables
In a similar vein, this recent spell of sustained good ...
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RE: Home energy storage & battery register
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RE: Various different approaches to battery storage.
I thought I'd share my story/journey and experiences he...
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RE: Renewables & Heat Pumps in the News
Here on the Forum we're going to need to be increasingl...
By Transparent , 4 days ago
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What I Wish I Knew Before Installing a Heat Pump
I’m putting together the next Homeowners Q&A episod...
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RE: Planning Update: 1 Metre Boundary Rule for Heat Pumps Has Been Scrapped
In Scotland they still follow the MCS rules, so the noi...
By Johnmo , 4 days ago
