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 13, 2026
I'm not sure where you are getting your design information from, but its incorrect. The standard design temperatures, as specified in MIS3005(D), are...
Doing the plot from heat pump output gives 6.5-7kW also. Depends on how cold house gets. Heat loss is dependent on house temperature Vs outside not...
You are spot on. I don't know TBH as I don't have them, they weren't available when my heat pump was fitted. They look that way though!
It's not necessary to be precise, it's only necessary to be precise enough, which I personally define as sufficiently good to be reasonably certain a...
I agree with all that @editor says above but particularly this. By far your best guarantee is peer review through this forum. If you are willing to...
Trvs switch the flow off altogether so anything which reduces flow rather than switching it off is better from a flow perspective. Frvs are as you s...
If bedrooms are too warm just reduce the flow rate through them by turning down the lsvs (or frvs if you can get them fitted) This reduces the averag...
So why not just turn down the frvs on these radiators? There is nothing sacrosanct about the 'design' flow rate
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 6 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu Both a freezer and a fridge freezer and I coo...
By Toodles , 6 hours ago
-
RE: Flushing system, cleaning and inhibitor
Yes, my 50L volumiser uses the two lower ports, so ther...
By Old_Scientist , 9 hours ago
-
I've been thinking about this and can't help but feel t...
By Majordennisbloodnok , 10 hours ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 1 day ago
-
RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 2 days ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 2 days ago
-
I don't notice mine defrosting, and most of the time Im...
By JamesPa , 2 days ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 3 days ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 3 days ago
-
I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 3 days ago
-
RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 5 days ago
SPONSORS
