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Last seen: Jan 4, 2026
Mars, they have recommended to change 5 or so I think. But they are in bedrooms, so we are thinking to try it and see. We use a Nest thermostat (which...
The day of my oil boiler replacement with an ASHP approaches. Here is a photo of the boiler cupboard before any work. And my current OSO hot water tan...
I’ve a Zappi mk1 and a hub installed. Zappi excellent for the EV. Hub reliability variable as it is close to my router which is far away from my Zappi...
I think it is so the water from the defrost cycle has somewhere to run too. Rather than over a path, freezing and causing a potential hazard. My insta...
Freville , If you pick an ASHP with R32 refrigerant, then one of your issues is simplified. E.g. the Daikin Altherma 3H HT unit I am having fitted is ...
Hi Sam - I don’t think “moving it round the corner” is a simple task. Because of the power cables (the easy bit) but mainly the insulated water pipes ...
I’ve seen a few YouTube videos about the Midea - looks a good bit of kit. I hadn’t thought about batteries feeding the ASHP. I was discussing batterie...
Ok. I understand. Your system cost was £10.8k, of which the battery was included. Battery cost is a lot smaller % than I thought. Good. It is the nett...
Hi Batalto please can you explain the £233 paid back maths calculation. What is the size and price of your battery set up? I can understand “free”...
Hi Jules. I am just swapping out my oil boiler for an ASHP. I won’t worry that your developer would rather have put in a gas boiler - the building ind...
Useful information George. Thanks Our ASHP installation date is set for 20th April
Hi Mike and George on the solar PV, fitting the most number of panels you can and getting a battery gives a payback of about 10 years. Solar PV pane...
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Latest Posts
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RE: Switch suitable to change between two inverter CT's
@bobflux It is the solis s6 EH1P8K-L plus. In the summe...
By Jancold , 9 minutes ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 3 hours ago
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RE: Glass lined Cylinder for private water supply
@davidb That's really interesting information, thank yo...
By ian33a , 3 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@kilgorexv I think you are missing something in your he...
By Rob of York , 3 hours ago
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Adventures in heat loss calculations
I thought I’d post my recent adventures in heat loss ca...
By Rob of York , 4 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 , 1 day 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: 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 , 4 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 , 5 days ago



