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Last seen: Aug 16, 2026
Revised comparison with my start temperature at 40C Cylinder 1 (HP) Cylinder 2 (HP) Cylinder 3 (Imm) Totals ...
@transparent Just thought of something that may affect the comparison, I assumed my store would be at 35C when my heating cycle begins. That pr...
@transparent My current thinking is as follows, but I would really like to get some more information from Trystan to check my facts. If both his ...
@editor I did see those, but wanted a system for a drywall rather than one you need to plaster over. What makes you think it is waterless?
Thats great Brendon, thank you for the advice. Do you think there is any need for an air release valve? I could put the spreader plates on at a slight...
@andygo Hi Andy, that was the comparison I was trying to make, whether it is better to use a Thermal store and no legionella purge, or an unven...
@simonstengineer Hi Simon, I did a similar thing with my Ecodan. The hardest bit I found was getting the UFH controller to talk to the valve to divert...
@sapper117 Thanks. Ill bear all that in mind.
@sapper117 Thanks Sapper. The £11 per day sounds like a lot but I guess its only relevent when compared to the cost other sources of heat. Also if ave...
Hi Just found this forum and thought I'd partake of the combined wisdom 🙂 My background: Eco Self build bungalow, solar PV panels, ASHP, rainwat...
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Degrees of Separation
Latest Posts
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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 , 3 minutes ago
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RE: Glass lined Cylinder for private water supply
@ian33a I have a private supply from a spring. After w...
By DavidB , 15 minutes ago
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RE: Switch suitable to change between two inverter CT's
It's a current output CT (33mA output for 100A input or...
By bobflux , 43 minutes 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: 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 , 5 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


