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: Oct 9, 2026
Thats good. Keep the faith, rad swaps are easy and rads are dirt cheap. Even I can do 2.5 a day, I am not a plumber and absolutely detest plumbing!
Total and complete madness! Better would have been to leave the upstairs rads, make the downstairs ones bigger if there is room, and drop FT, or just...
All sounds good and like you know what you are doing. Radiator balancing can be tedious and the poor control that LSVs give really doesn't help. I ha...
Firstly welcome to the forums. I hope you are running your heat pump 24*7 with any TRVs and thermostats set well above the desired temperat...
(Almost) all heat pumps do defrost by taking heat from the water in the emitters and using that to melt the ice. This causes the flow temperature to ...
From first principles I would say: Definitely design for a single low flow temperature, not different flow temperatures. Definitely calcu...
This is actually normal, or at least its more or less what I see with my Vaillant and there is an obvious logical explanation. The heat pump has to w...
Reducing radiator size is just plain madness in most cases, whatever the survey may say. You can always turn them down. Why on earth would you waste...
@benson very well done for implementing this with such a simple UI. FWIW its functionally similar to what Vaillant heat pumps do if you chan...
That's really helpful. Yor last sentence confirms it's not to do with the ashp as such. When your ashp was installed you were also upgraded from an...
All understood. Obviously its a bit house dependent but many people do find that pure weather compensation is the way to go both for comfor...
From OPs description I had the impression (quite possibly wrongly) that the water hammer is associated with the domestic hot/cold water not the heatin...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Missing flow temperature in Heat Geek proposal
I have just come back form a full design on a 140yr old...
By ASHP-BOBBA , 26 minutes ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
I am still trying to get to grips with how the Curves a...
By trebor12345 , 37 minutes ago
-
RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
Posted by @paul1098 Just had my first quote of ...
By Rob of York , 2 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
The main issue is that the items you want to power are ...
By JamesPa , 7 hours ago
-
RE: battery storage without solar
Also don't forget that in you may not be able to use th...
By JamesPa , 8 hours ago
-
RE: Tesla Powerwall (2) Calibration Cycles
One practical safeguard is to separate the calibration ...
By EnergyStorageTech , 10 hours ago
-
RE: Nook batteries from Octopus
Until Octopus publishes the electrical limits, the key ...
By EnergyStorageTech , 14 hours ago
-
RE: tepeo ZEB UK Support & Info Thread
There is at least one large scale system in this catego...
By Toodles , 22 hours ago
-
RE: Getting closer to a finished Haier system
Apart from sealing the external Primary Pro joints and ...
By Singlespeed , 1 day ago
-
RE: Are We Sleepwalking Into Another Race to the Bottom?
@jamespa Hope someone tries it! As a consumer, I woul...
By Batpred , 2 days ago
-
RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
Our latest Homeowners’ Q&A episode has just dropped...
By Mars , 2 days ago
-
RE: Vaillant ecoTEC Plus with sensoCOMFORT and weather compensation
Yes, its described in the sensocomfort manual. Its als...
By JamesPa , 2 days ago
-
RE: Heat Geek installations: share your experiences
My summary, highlighting the oddities.
By Batpred , 2 days ago
-
RE: Renewable Heating Hub Homeowners' Q&A Podcast
What a day yesterday! Two podcasts recorded, brilliant ...
By Mars , 3 days ago
-
RE: Adding additional Solar Panels to a DC coupled battery system
I too use AI when researching online. It's able to co...
By Transparent , 3 days ago
SPONSORS
