Last seen: Nov 29, 2025
@gary how much UFH and how much rads are you? Whats your screed depth and pipe size?
@jamespa yeah, i agree. The time required to fine tune a system is not economical. I absolutely understand why heat pump companies oversize, stat ...
@jamespa yeah, I agreed. My son’s bedroom is on the ground floor with his sisters room above. I need to keep his room all night to over 20 so the fabr...
@jamespa yep, and this is what I'm doing it's the eveness of the spec. If your going to oversize, do it evenly. BUT, and it's a big BUT, having...
@gary Its not the integral tank, so I have a separate pump. My data from the second 1/2 of the winter is that 11.2 should be OK to cover this ho...
@sunandair I can't get my system higher than 35 or 36 degrees, The only way to do that would be to start to close more of the secondary system off.
@sandman1600 What I mean is, your UFH power is 79wm2 I think, at mean water temp 50, so in your house that is 9. something kw of power. they desi...
@sandman1600 If your heat loss is really 14, and your UFH capacity at mean water temp 50 is 9kw, if they are right, the the pump won’t be your prob...
More like “the heat loss report is the heat loss report” The actual heat loss, well, you’ll have live evidence. if increasing primary flow withou...
@richard24738 yes, the R32 its attached to the frame, on the new R290, then can be places away from the unit. This make the weather comp much worse on...
@sunandair Hi, ive read that a few times, I think I get what you mean Yes, was definitely struggling to heat the house this winter at several poi...
Latest Posts
-
RE: Electricity price predictions
Also the red crosses on the roundabouts... Unfortu...
By Batpred , 2 hours ago
-
RE: Hitachi Yutaki SCombi Heat Pump - Owners
@sim0n0 Here's a reply to help you out. As a owner ...
By trebor12345 , 2 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
The engineer came yesterday and as the rooms were ok te...
By AdamK , 2 hours ago
-
RE: Replacing my 18 month old Hitachi Yutaki ASHP
@jamespa Can I check something that I done some weeks a...
By trebor12345 , 3 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
The problem I see with A2A (and I'm interested if there...
By Temperature_Gradient , 4 hours ago
-
RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
@temperature_gradient I specifically explained to my po...
By Toodles , 4 hours ago
-
RE: Grant Aerona Short Cycling
@damonc I was refering to the 'standard' energy sticker...
By MikeFl , 7 hours ago
-
RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@hcas where do I find Havenwise Support? On...
By Morgan , 8 hours ago
-
RE: Should Our Water Circulation Pump Be Configured to Run All The Time?
We recently (Aug 25) had a Grant Aeorana 3 installed un...
By GA3_USR , 13 hours ago
-
RE: Grant Aerona circulation/system pump staying on
My AERONA 3 circulation pump runs constantly whatever t...
By damonc , 21 hours ago
-
RE: Configuring third party dongle for Ecodan local control
Thanks, @sheriff-fatman. Happy for you to search any po...
By Majordennisbloodnok , 24 hours ago
-
Thanks, @cathoderay. I was aware of some changes to ...
By Majordennisbloodnok , 1 day ago
-
RE: Trying to understand my Nibe F1245
@greenlight Many thanks for the information, it's set m...
By Chris12 , 1 day ago
-
This is what I answered, I really have no hope: "......
By Batpred , 2 days ago
-
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@andrewj oh yes they offer Daikin 8kW, they tried to fo...
By AgentGeorge , 2 days ago
-
RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@majordennisbloodnok Good point! Just in case anyone re...
By Batpred , 2 days ago
-
RE: Benefits of an extra horizontal loop for GSHP
A correct sized collector is all you need. Saying this,...
By greenlight , 2 days ago
-
