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...
Latest Posts
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RE: Surface mount or bury primaries for heat pump installation?
@tomasmcguinness bold choice on the Kronoterm. Nice! Wi...
By Mars , 1 hour ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
It took me more than a few goes as well, plus some help...
By cathodeRay , 18 hours ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
@ashp-bobba thank you, and equally so, thank you for ta...
By Mars , 1 day ago
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@judith good to know… I’ll continue to feed Wattson, an...
By Mars , 2 days ago
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RE: Vaillant AroTherm Plus 7kW
@jamespa I have a hydronic baseboard heater in the kitc...
By Scalextrix , 2 days ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
@editor great article re accreditation. I note ISO/IEC ...
By Bart , 2 days ago
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RE: Renewables & Heat Pumps in the News
Here’s a little more technical detail/p>
By Judith , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
I don't (yet), but my PW3 is due to be installed shortl...
By Old_Scientist , 3 days ago
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RE: MCS and NAPIT complaints process
@chrislay, is your heat pump complaint still unresolved...
By Mars , 3 days ago
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RE: ASHP Install from hell - help please
@saf1973 I’ve been going through old cases on the forum...
By Mars , 3 days ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@aaron There's the rub, the database does not list my ...
By AF1 , 4 days ago
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RE: Commencing on an ASHP Installation Process
Yes, it's "doable" if everything goes to plan, they arr...
By Old_Scientist , 5 days ago
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RE: How not to install a heat pump
You are right. Thinking on this has evolved over the p...
By JamesPa , 6 days ago
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RE: DHW SET UP with Samsung gen 5
Thats good news indeed, you are very likely almost ther...
By JamesPa , 6 days ago
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RE: Plate heat exchanger considerations
As far as I can tell my vented system would have a peak...
By Scalextrix , 6 days ago
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RE: Air Changes per Hour - ACH and the MCS requirement
There have been a few discussions dotted around (e.g. I...
By Declan90 , 6 days ago
