Last seen: May 5, 2025
Blown bonded eps beads in that cavity, that’s definitely something you should do. are you active on buildhub?
@togfather as I said before, you won’t beat oil with a heat pump….. Oil really is the cheapest heat source out there. Anyway, back to the original i...
Swimming pool heat pumps often lack the reversing valve to do a defrost…. Mine certainly does. you’d be much better off using a mini split, gutt...
@iancalderbank we can argue with installers on Linkedin about how they're mostly incompetent 😀
@bontwoody My self install seems to be working nicely too, despite me ignoring the manufacturers instructions and running it direct, open loop... I st...
@derek-m it’s interesting you discuss the changes in outside air temp as registered by the sensor, so commonly mounted on the evaporator guard. Mine...
@william1066 it’s a hard one to compete against, Oil…. Definitely the cheapest fuel source for home heating. I went into this with a break even with...
@jwilliams89 ah, ok you’re changing the sealed units. Gotcha. It might be possible, with a simple change of glazing bead to go for triple, In the exis...
@jwilliams89 sensible…. We’ve just completed an upgrade to triple glazing, it has made a big difference. Mainly because I supervised the measurement a...
Nothing wrong with 45 degree flow, that will be at the design outside temperature, which in your area might well be -2 or -5. After all, there needs t...
I think the Carel platform just calls this ‘coil temperature’…. It’s always below ambient when in heating mode, unless it has just done a defrost.
My pump stays on 24/7, as it's the only pump in the system and I don't ever turn my heating off.
Latest Posts
-
RE: IVT Greenline high pressure switch and electrical cassette errors
OK, so when the HP comes on it becomes obvious.It's on ...
By tdudgeon , 2 hours ago
-
RE: Is Your 6kW Air Source Heat Pump Really a 6kW?
@johnmo I think we’ve been trudging through the same...
By SUNandAIR , 2 hours ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
One manufacturer Viessmann has to have their buffer, as...
By Johnmo , 10 hours ago
-
RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide
Good luck, I hope it all works out!
By JamesPa , 1 day ago
-
@johnd it's a difficult one, because we've seen instanc...
By Mars , 1 day ago
-
RE: Is your heat pump insured?
@johnmo sorry it comes across like that. The post is au...
By KevinPotts , 1 day ago
-
RE: Getting the best out of a heat pump - is Homely a possible answer?
@johnmo Perhaps a little detail might explain my reason...
By Toodles , 1 day ago
-
Win a 6-panel PV courtesy of egg and Renewable Heating Hub
Our epic giveaway just went live! Want to win a 6-pan...
By Mars , 2 days ago
-
RE: Yes, the "zoning with ASHP" topic again...
James, thanks again for your thoughtful and persistent ...
By HarryRea , 2 days ago
-
RE: Is this normal? Click of the DHW returning to space heating
So the Lone Ranger returned today! Even though we thoro...
By Grantmethestrength , 2 days ago
-
RE: Vaillant & OVO partner up to offer Heat Pump Plus
Hopefully iv done the right thing today by signing up t...
By Westkent , 2 days ago
-
RE: Battery sizing - How low can you go!
My own experience with connecting four batteries to thr...
By Transparent , 2 days ago
-
RE: Plate heat exchanger considerations
Work on 2-3 percent per degree. This is a reasonable e...
By JamesPa , 3 days ago
-
RE: Advice for ground source heat pump in new build with PV and batteries
The useful bit is the bit that specifies the heat loss ...
By JamesPa , 3 days ago
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
You’re absolutely right that during defrost the refrige...
By Mars , 3 days ago
-
@editor thanks Mars that’s the same table I found in th...
By Gary , 3 days ago
-
RE: Tariff and charging strategy advice please
They haven't asked me to prove that I have an EV (I do)...
By JamesPa , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Took a while to find on the OFGEN site: ”The FIT sche...
By AgentGeorge , 3 days ago
-
RE: why solar diverters for HW instead of the heat pump?
For me there are few factors why you may want to heat w...
By Johnmo , 3 days ago
