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Last seen: Feb 5, 2024
@grahamb I was saying they may have estimated that from guessing your heating/hot water needs at 19000kWh. If your needs are lower than that, which it...
@grahamb yes but you use less gas than that. Take your gas usage in kWh and divide it by 3 or 4 to get your heat pump usage. I think a gas hob normall...
@grahamb that all seems quite reasonable then for the 9kW quote. My pipe run for my monobloc is about 10m there, 10m back. The manual does allow longe...
@cathoderay yes that's right it was as if I had a power cut. This was the installation of my heat pump, so when the plumbing guys finished the pipewor...
I get a similar, albeit slightly higher, figure when I do it and we have very similar sized houses so it's a good comparison. My heat loss calcs came ...
@cathoderay I did say a good weather comp curve can be more comfortable. If your house is cold then the curve isn't tuned properly. Either that or you...
Heat pumps cost more to run when it's very cold. Somehow mine managed to stay on par with gas, but many cost more than gas when it's very cold. This s...
Off the top of my head I can think of a few reasons Heat pumps are not as powerful as the boilers they replace so simply can't just slam on at the...
@cathoderay yes I suppose you are right that you have to refill. I think if the outside is isolated from the inside this shouldn't be too difficult, b...
@abefroman a couple of things stand out to me. Firstly with 17kW of heat pumps it's clear your installer thought you had a large heat loss. That is ve...
I have anti freeze valves. Due to complications of my install this past week in the cold snap, my anti freeze valves kicked into action and drained my...
What did they say about them on the show? Did you experience the same problems as discussed on the programme? With regards to your issues, there is...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay I started to record oil usage per month on ...
By ian33a , 2 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 6 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 11 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 3 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 4 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago



