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
@editor Im still experimenting with mine Mars, having made some changes to my house in the summer. My low end is 32C (at OAT of 15C) which is probably...
@mike-h No problem Mike. Actually I dont use my heat pump to heat my DHW. Im on Intelligent Octopus Go and have a Mixergy cylinder so just use the imm...
@mike-h Ive just happened upon this thread mike. You do know that you can still export to the grid at 15p per unit and keep your FIT generation tariff...
@jeegnesh sorry, i dont have much knowlwdge of how arotherms work, im sure someone else will be able to help.
@jeegnesh With my Samsung, I can set my internal thermostat (in lounge) to different temperatures. So for instance, my heating is set to 21C between 3...
@jeegnesh Hi Running in WC mode just means that you will be using the lowest flow temperature that is suitable for heating your house given the ou...
@raiph Hi Ralph It would be useful if you could annotate your graph with what is using the power at different times. Ideally you want to minimise an...
@transparent Thanks transparent. I noticed the similarities in this thread to mine and thought I would save you the trouble of going over the same gro...
@jamespa Mine is outside at the moment but I will be moving it indoors. The sea air is hard on it :-). I believe the LiFePO4 are much less likely to c...
@jamespa You are in a similar situation to me James, although I am a little further down the line having installed a small 5 kWh battery. What I ...
@transparent A new luna battery would be more expensive (£s/kWh) but if I could pick up a second hand one at a good price, it would mean I wouldnt nee...
@transparent I was musing that if I managed to get a cheap used Luna module I could just change the inverters to get both arrays charging the batte...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Hi, sorry that I have been absent for a while. I'd like...
By baroquebank , 8 minutes 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 , 4 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 , 1 day 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 , 1 day ago
-
RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 1 day 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 , 1 day ago
-
RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 1 day 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 , 2 days ago
-
@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 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 , 3 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 , 4 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
SPONSORS
