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Last seen: Jun 27, 2025
I guess this is what the team behind homely realised, that the curves can be automatically figured out once the indoor temperature response is known. ...
Modbus over 485 - at the moment it's only coded up to support Midea and Samsung (because a certain Mr GH consults for them) but their developers were ...
This is why homely is such a great concept. It’s much more than a thermostat, it’s an automatic weather compensation optimiser. It’s a total game chan...
Another reason for ‘manufacturers controls only’. For owners of machines with non-adaptive controllers, the homely smart thermostat (it shouldn’t real...
I couldn’t agree more… I see so many installations where the manufacturers controller is stuffed outside in the garage/plant room, or worse, in the lo...
The humble room stat, yet again showing how inappropriate it is for a modern heating system that uses compensating controls. It would be better for mo...
This is the current plan. UFH in the extension, close coupled Ts on the return line giving the hydraulic separation for the ufh circuit. Manifold plum...
It’s a work in progress Mars. We’ve decided to do one more heating season with our gas boiler and put in a new heating system next spring when we star...
You don’t need glycol or a flow meter…. glycol is just a terrible solution to the ‘power cut in the middle of winter’ problem…. Caleffi anti freeze ...
Arotherm Plus is r290 so requires complicated siting of the outdoor unit because of the risk of gas leaks and pooling/explosion. A regular arotherm is...
I'm actually not going to be in such a rush to move over from a smart prepayment meter as I was before the price cap increases - at least we're protec...
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Latest Posts
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RE: Cooling with air to water heat pumps
A quick update. I finally found a 'solar' roller bli...
By springswood , 2 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
85kWh of gas usage, divided by 24 gives 3.54kW and adju...
By Old_Scientist , 3 hours ago
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New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
I am feeling baffled and worried:We are having a an Aro...
By GutoFfowc , 13 hours 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 , 16 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 16 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 17 hours 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 , 1 day 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 , 2 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 , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 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 , 4 days ago


