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Last seen: Jan 4, 2026
@editor Thanks Mars. Wow, that’s expensive. Surely it would be cheaper to run the ASHP at a slightly higher temperature?
@editor hi Mars. How much is HVO per litre?
We used 1211kWh total electric in December for a 210m2 bungalow This includes electric to run the house and both EVs. This equals about £160 on m...
@rann1888 hi ran. Your control system looks like mine , Nest. I enclose my equivalent the only thing I can see different is you hear all night and...
@alastair Happy New Year. Similar systems (except your battery). My Daikin ASHP is fit and forget really. We are doing a year using a Nest as the cont...
@swalker welcome. Start a new thread. Can you provide you EPC file ? Energy demand. The rule is fabric first - meaning insulation where you can first...
So I am comparing BEV to H2 EV. I had read about the Scottish 100% H2 trial - will be interesting to see the results How will large quantities of H...
@flowboy welcome to the forum. I listened to a Betateach pod cast with a technical director from Worcester Bosch boilers. H2 ready means they can burn...
Took out the gold level Daikin ASHP support contract today. £264/year for 10 years. Fixed price. Including annual service, free parts, labour and call...
@kev-m how did you plot the graphs Kev? Where did the data come from?
@derek-m haha Derek of course 😂 But it is a good way for me to track actual costs
Warmer December so far means we are using less electric to heat home than predicted against MSC ASHP model. Namely 1638.11kWh consumed versus 2532kWh ...
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Latest Posts
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RE: Switch suitable to change between two inverter CT's
It depends An unloaded current transformer can output...
By bobflux , 11 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 21 hours 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 , 2 days 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 , 3 days 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 , 3 days 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 , 3 days 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 , 3 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 , 3 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 , 4 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 4 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 , 4 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 , 5 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 , 6 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 6 days ago



