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: Nov 3, 2025
@editor the question is, how will that affect the COP. But given we dont want to live in an ice cold house, its something of a null point
@siko £111? How many kilowatts did you use? My ASHP used 120kw for the whole month on hot water - we didn't have any heating all month. That said, it'...
@mike-patrick I think heat pumps do have the option of being cost effective for most. For example last september I used 1120kw of gas to heat my hot w...
@novemberromeo There are a number of EV chargers which use this function. Below is a link to the Zappi. I am sure you can find others
@novemberromeo you need to think of it as a flow. Let me explain how my system works, but its important to know this is variable. Your panels will g...
@derek-m that sounds reasonable. Can you also recommend which divorce lawyer you used?
@derek-m makes sense - Which paremeters would I need? Also I'd probably have to collect them manually, which is a hassle. At the moment everything is ...
@derek-m on set point 21 degrees in the day, 20 at night.
@derek-m I don't know how I would collect the flow temperature, frankly. I'd need to get some kind of probe - unless I can get it from the heat pump a...
@derek-m looking at the data quickly 3am it was 5 degrees here (according to the met office) and we used (at peak) 2.14kw. Our base load is 320w per...
@derek-m you'll have to wait then. The heating only just came on last night. However it's also a terrible day for sun, so doubt we'll make much anyway...
- 27 Forums
- 2,750 Topics
- 64.7 K Posts
- 1,571 Online
- 7,158 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Not a problem; that’s why I left it as it was. The pers...
By Majordennisbloodnok , 6 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 , 15 hours 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 , 2 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 , 2 days ago
-
RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 2 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 , 2 days ago
-
RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 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 , 3 days ago
-
@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 3 days ago
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
-
RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 4 days ago
-
RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 4 days ago
-
@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 5 days ago
-
RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 5 days ago



