Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Aug 16, 2026
Hi Ian 3000 kWh per year doesnt sound that high to me. I was using about 50 kWh per day during winter. Obviously the more insulation you can install...
Certainly very useful, I have one in my kitchen as well as my ASHP. We got used to them in Maltese winters but not everyone likes blown air heating an...
@bretix I think they are essentially saying that renewable energy can be stored as heat in a water tank! Stop the press 😀
Hi, im not quite sure that I understand what you are asking, but an electric heater will have close to 100% efficiency whereas a heat pump will have s...
@amanda1 Mine was after 12 years without even a service 🙂
@cathoderay Well that solves the issue of where the extra heat is going, its being used at night 🙂 I think your house is so thermally leaky, that al...
@cathoderay Thanks for the data. I have uploaded some of my own for a period of similar outside temperature. The first thing i notice is that your flo...
@cathoderay Sorry, I should have been clearer. I was talking about kWh in gas v kWh in electricity multiplied by the COP. ie if I used 24 kWh of gas p...
@cathoderay Hi, I did read the post about the "paradox" you saw with your oil/electricity comparisons and tbh I couldnt understand why it should be. C...
@cathodeRay I really cant agree with this statement for the reasons I will outline below, but in a practical terms I have self installed two heat...
Hi I installed my first heat pump using JP Speedfit fitting entirely. After 10 years no problems. I didnt run it continuously though as the property...
Could well be the case. Is the ASHP coil below the immersion? Some tanks have a circulation pump that helps even out these variations
- 27 Forums
- 2,751 Topics
- 64.7 K Posts
- 908 Online
- 7,158 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Switch suitable to change between two inverter CT's
It depends An unloaded current transformer can output...
By bobflux , 13 hours ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 24 hours ago
-
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
-
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
-
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
-
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
-
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
-
RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 3 days ago
-
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
-
@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 4 days ago
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 4 days ago
-
RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 5 days ago
-
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
-
@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 6 days ago


