Last seen: Sep 14, 2025
@iantelescope - I think you are still confused about the difference between a volumiser and a buffer tank. Take this from the MCS guidance you posted:...
@jamespa - I think it also applies to an informal DIY assessment, that's why I am stating it here, because it may not be immediately obvious to everyo...
It wasn't so much a question as an observation: "What I think it means is you have to pay very close attention to the IAT". Instead of using "the (i...
The problem is it is often buried in the detailed product engineering data, not in the promotional literature, and it is a bit much to expect consumer...
A well recognised symptom of HDHD (Heatpump Deficit Hyperactivity Disorder). CBT (cognitive behavioural therapy) can sometimes help. Possibly, bu...
@bobtskutter - as ever, thanks. I can go one further, plot OAT vs kWh out for the various running states. Not a lot of data so far but here we go...
I don't think that is a volumiser, it's a bypass! Volumisers go in series and solely act to increase volume...
I set the secondary circulating pump to CC1 at 1120 yesterday, and the result has been interesting: All the lock shield valves are still fully...
Latest Posts
-
RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 10 minutes ago
-
RE: Big Changes Coming to Our Heat Pump System
@old_scientist, our system was royally bodged six years...
By Mars , 13 minutes ago
-
RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
@scalextrix You're assuming that the source of the comm...
By Transparent , 18 minutes ago
-
@jamespa thanks, I appreciate the offer. For n...
By DREI , 14 hours ago
-
RE: Who’s Caved and Switched the Heating On Already?
I have 3 women in the house, 2 little ones, so my heati...
By DREI , 19 hours ago
-
@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 20 hours ago
-
RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 2 days ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 2 days ago
-
RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 2 days ago
-
RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 days ago
-
RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 3 days ago
-
RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 3 days ago
-
RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 3 days ago
-
RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 3 days ago
-
RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 4 days ago
-
RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 4 days ago
-
RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 5 days ago
-
RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 5 days ago
-
RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 5 days ago
