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: Mar 3, 2025
Thats interesting about the Honeywell valves. Our flow rate is below what it should be due to them using 28mm plastic instead of 35mm copper so we’re ...
Unfortunately at work we had Husky heat pumps installed (x3) which were awful. We’d often come in on a Monday morning and it would have thrown a fault...
@editor no kept the buffer
Thanks Derek. Yes I’d been working by locking them down and gradually opening up until they were roughly equally warm but I’ll try the other way aroun...
Agreed I definitely don’t think ASHP are “set and forget”, there’s a whole spectrum of issues that don’t get flagged by errors. I’m no engineer but...
Ours used to be like that until we de-zoned everything. Much better now
Yesterdays figures in now 44.5kW used 150kW delivered COP 3.4
@alec-morrow I don’t know exactly what pipework we have in all areas. I do know for example we have 2x 600x1599 rads in our lounge and 2 600x600 rads ...
We don’t have a LLH but we have a large buffer tank. So I presume I’d the flow around the house to the rads etc isn’t enough the heat pump will still ...
I took some measurements today. Clearly can see the rads and UFH aren’t losing 5c so makes sense why the main ASHP delta isn’t 5c I’m finding it...
Annoyingly I can’t view current day usage. But previous days have been 40-50kWh when it’s about 5c outside in the day. forcast -4c later this week ...
It’s 2c here and foggy. So worst weather for ASHP Flow temp is 42c. No defrost in last 24 hours and house is nice and warm. will see what the...
- 27 Forums
- 2,768 Topics
- 65.2 K Posts
- 1,037 Online
- 7,170 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Why are ASHP installs so expensive?
@Rob-of-York, as James says, this is a really good (and...
By Mars , 1 hour ago
-
RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 13 hours ago
-
We kept ours and Heat Geek would have been in touch if ...
By Batpred , 18 hours ago
-
RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 20 hours ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 1 day ago
-
RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 1 day ago
-
RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 1 day ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 2 days ago
-
RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 2 days ago
-
-
RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 3 days ago
-
RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 4 days ago
-
RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 5 days ago
-
RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 5 days ago



