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Last seen: Jan 8, 2025
The Vaillant range is relatively new and should be at the higher end of COPs out there. However, 5.2 for February might be a tad optimistic given the ...
@Alarch you won't get any ASHP to work like a combi boiler. i.e, deliver instant hot water. You will need a HW cylinder designed for a heat pump. ...
If you look at the Ecodan databook numbers you can get some idea of the effect on COP of lowering your LWT by 1.5 degrees. It's not going to be a lot...
More than my life's worth!! Anyway, I switched thermo diff adjust off last night so we'll see what happens.
It's hard to tell what's going on. Like you say, where does the 45C come from? The way my AA works, it seems to be limited by the max value but that ...
From the FTC6 manual. EDIT - 'Average' means conditions in Strasbourg. 'Colder' doesn't seem to be defined. The reference is here for anyone re...
They might if I had one. Electricity only where we live. For anyone interested, this is how it works. The first attachment (on p8 or thereabouts) ...
Supplier is British Gas and it was totally unsolicited. They sent me an email today.
I am officially an alternative fuel user. Received from my supplier today. Will be credited to my electricity account. Told you!! 😉
@Diverted.Energy, Calm down! Maybe you would find it less stressful to spend your time on a different forum where people share your views on renewab...
@cathoderay, I don't have an easy answer to your oil/ASHP comparison. However, the average house using gas, uses about 12000kWh per year. From wha...
@ajdunlop What Derek said, and this: I'm not sure why you get a spike after setback; if you look at my graph it ramps up the power very progressi...
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Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Thanks for the update. Vaillant is a good choice, their...
By Batpred , 40 minutes ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 7 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 1 day ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 1 day ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 2 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 4 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 5 days ago



