Last seen: Dec 4, 2025
I agree that it's unlikely that with the present electricity/gas cost ratio that heatpumps are "financial rational", which is the premise of the link....
Mixergy tanks I believe work by forcing statification - hot water is pushed into the top of the tank, and there is a clear hot / cold divide line. In...
The temperatures that you mention are all quite low, which is great for efficiency (but not for a warm house when it's cold out). What really matters...
Our smart meter install with OVO went fine. It's a lot bigger than the old meter we had before, but there was space. I find it more awkward to read ...
Hi Pat! We have a tiny 2.5kW(thermal, 660W elec) gshp, 4kWp solar, MVHR, 150mm EWI, 30kWh V2G car, 200l DHW tank, 4 bed highly insulated retrofit ho...
I think that did use to be a thing, but it is fraught with difficulty. Mice getting in, mould, stagnent water pools. All of these can be tackled - g...
I think you can make a pretty good guess that any floors installed prior to 1991 will have no insulation. A bit of googling gave U values over time (...
Hard to imagine how a hybrid inverter would be ok here. Imagine you got an Octopus Go tariff, charged up the batteries at cheap rate. Then discharge...
@sunandair You’re right, re-reading I wish I’d said it differently. Comparative measurements will be good! Caring, looking at the data is a great th...
I’ve never heard of a heatpump with MID certification - that would mean a certified accuracy of measurements. You can certainly buy heatpump power me...
I think the compressor would not like to be turned on when it is too cold (hence they often have heaters). Conversely, in warmer weather it may overh...
@cowshed_rich I don't think it's an inverter model - this says not: Perhaps you're right, and it's a "marginal COP" thing due to the DHW t...
Latest Posts
-
I also enjoy the challenge of getting the best out of s...
By downfield , 1 minute ago
-
When checking the Met Office website to see what weathe...
By Toodles , 6 minutes ago
-
RE: Speedcomfort radiator fans
&mars SpeedComfort have confirmed my understanding ...
By Richard24738 , 19 minutes ago
-
RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump
Hi @mickamills . Welcome to the forum. It sounds like...
By bontwoody , 31 minutes ago
-
RE: External pipework insulation
@transparent I hope you are not being admonished @trans...
By Toodles , 39 minutes ago
-
RE: Setback savings - fact or fiction?
Oops, well spotted, thanks. Yes they are the wrong way ...
By cathodeRay , 57 minutes ago
-
RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
@gruff2001 Our Growatt 13 kWh system charges about 11.7...
By ChandyKris , 1 hour ago
-
RE: Mitsubishi Ecodan R290 10kW performance
All noted, Im not doubting you, just trying to be certa...
By JamesPa , 5 hours ago
-
RE: New Fogstar 15.5kWh upright solution
We're at cross purposes. You're telling us about Inst...
By Transparent , 5 hours ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
The FT levels off at either the set point OR the minimu...
By AndrewJ , 22 hours ago
-
RE: MyVaillant Connect Regular Disconnect
Thanks. Yes, if the time is consistently 11pm every nig...
By buckwem , 22 hours ago
-
RE: Midea ASHP – how to set weather compensation
@pash44pump I have yet to come across any Clivet or Mid...
By benson , 1 day ago
-
RE: Who's your electricity provider and what's your tariff?
@transparent Thanks, this helps. Could it be that St...
By Batpred , 1 day ago
-
RE: Clivet ASHPs and weather compensation
Simon did share a lot of very helpful advice. On furthe...
By ambris , 1 day ago
-
-
RE: Advice on internal circulation pump noise
Extend the primary branch and make sure you have more t...
By ASHP-BOBBA , 2 days ago
-
RE: Jokes and fun posts about heat pumps and renewables
By Morgan , 2 days ago
-
RE: Controlling Daikin Altherma via P1P2 and Home Assistant
On the contrary, @toodles, that’s a lot of help. I’d ne...
By Majordennisbloodnok , 2 days ago
