Last seen: May 19, 2025
just stick with weather compensation, get that correct first. Only enable load compensation if really needed. Reasons are solar gain, drafty house and...
If you have UFH you get big swings in room temperature using load compensation. Unless you use very thin screed. So really more like a radiator than U...
Definitely not like a thermostat Load compensation takes room temperature and target temp and modulates system flow temp to correct. The change in t...
Slippery slope starting
And will they be the first to use the smart grid switch that most current heat pumps have, to switch the ASHP off when it suits them and the grid dema...
Isn't the easiest way to do all this, register as an installer, get the installer software. Recommissioning the unit with you ars the installer and th...
Then they should be made to follow good engineering practice and have calculations checked and then signed off. I accept neither is perfect. But...
Why should the owner really need to understand or delve into any data - you are paying a hefty price for the installer to know and select correctly. I...
Room temps are set temperature for different rooms apply to all buildings. OAT is a simple equation to cover 99.7% of likely minimum outside temperatu...
Heat degree days are not always that straight foreward. There are websites that will automatically calculate. But you have to be careful the weather s...
Cool sounds good
Rules of thumb are generally pretty rubbish for heat pump sizing and your gas usage patterns may or may not be a good indication. Common theme seems...
Latest Posts
-
RE: Load Compensation and Weather Compensation
This is so important. For my money householders need t...
By JamesPa , 1 hour ago
-
RE: Getting the best out of a heat pump - is Homely a possible answer?
@johnmo and @benson Thanks! I was aware there was a p...
By MarcT , 2 hours ago
-
@guydeb Yes. No problem running just UFH from an ashp. ...
By bontwoody , 2 hours ago
-
RE: Commencing on an ASHP Installation Process
Correct. However unofficial data suggests this ignores...
By JamesPa , 6 hours ago
-
RE: Is your heat pump insured?
My insurer just asks the question: "Is your home heated...
By AndrewJ , 9 hours ago
-
RE: Planning Update: 1 Metre Boundary Rule for Heat Pumps Has Been Scrapped
Indeed it does. Brilliant, thanks @jamespa
By Old_Scientist , 9 hours ago
-
RE: Vaillant & OVO partner up to offer Heat Pump Plus
Slippery slope starting
By Johnmo , 12 hours ago
-
RE: Say hello and introduce yourself
@cathoderay Ah yes, that’s the name! The Heat Pimp, It’...
By Toodles , 14 hours ago
-
RE: Jokes and fun posts about heat pumps and renewables
@editor Oh come on…. it’ll only take him 10 or 15 minut...
By Toodles , 2 days ago
-
By the way, I also think our industry need to get on bo...
By ASHP-BOBBA , 2 days ago
-
RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
That's a curious conclusion with which I am struggling,...
By JamesPa , 3 days ago
-
RE: Rate the quality of your heat pump design and installation
Cool sounds good
By Johnmo , 3 days ago
-
RE: Grant Aerona3 - Home Assistant control via Modbus
That's interesting, @grantmethestrength. I'm a little s...
By Majordennisbloodnok , 3 days ago
-
@allyfish That's impressive. We are on a similar journe...
By ChandyKris , 3 days ago
-
RE: Enabling WiFi: Samsung ASHP on Smart Things App
Hi, good to hear. To be honest, I've given up with the ...
By Profzarkov , 4 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
I feel like a record is on it's way this month. Scotlan...
By Andris , 4 days ago
-
RE: Discharging battery to grid whilst charging EV
@majordennisbloodnok Well, I tried it and nothing burne...
By AndrewJ , 4 days ago
-
RE: Using AI to optimise your system
@marvinator80 Two of the best resources on Youtube that...
By Grantmethestrength , 5 days ago
-
RE: Renewables & Heat Pumps in the News
@johnmo Ours is powered from solar energy (with grid ba...
By Toodles , 6 days ago
