Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Jan 28, 2023
I got the pipes on the hot water cylinder lagged (although ran out for a small area). Shocked at the difference it made. Heat loss went from 0.46 degr...
@iancalderbank @derek-m I got some thermometers onto the pipes to/from the buffer. At flow temp of 37 degrees from ASHP to buffer 36.7 from buffer...
Oh that's interesting. I was kinda hoping it'd be a lot more of a difference! But those numbers seem to be similar to what I'm seeing.
@iancalderbank McDonald Water Storage Vented 200L cylinder
@iancalderbank The pipes around the hot water cylinder have no insulation... so that's a job for this weekend. The pipes around the HP in the boiler r...
@iancalderbank thank you. I've purchased the thermometers and will go from there.
I stayed up til way past my bedtime to watch what the DHW does. Apparently drops at 0.46 degrees an hour, which seems quite high. So 11 degrees a day....
Does using the schedule override DHW heating the rest of the time? Or do you change the "temp to start heating" so low that it never heats, until the ...
I found the heat loss calcs. House size 230sqm. For space heating the house requires 26,479 kwh/yr. The HP is expected to consume 7,653kw/yr with a ...
I worked out the COP and usage/generation for the last few days. The weather turned on Jan 14 (from 10-12 degree high to 0-4 degree high), so perhaps ...
@william1066 thanks for sharing. All makes sense. Nice to know others are going through the same tinkering, though I'm jealous of your graph! How do y...
@craig1980 ha, are any of them?
- 27 Forums
- 2,811 Topics
- 66.5 K Posts
- 2,116 Online
- 7,217 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
... And that's being generous! I'll tell you a littl...
By SusannaSaunders , 5 hours ago
-
RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 6 hours ago
-
RE: Electricity price predictions
great session Reminds me why some politicians can be ha...
By Batpred , 6 hours ago
-
RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 6 hours ago
-
RE: Why don't people choose heat pumps?
With a heatpump tariff, it should be cheaper to operate...
By Batpred , 7 hours ago
-
RE: How much of your renewable and home setup would still work if the internet went down?
absolutely agree. even if many providers see that extra...
By Batpred , 7 hours ago
-
RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 10 hours ago
-
I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 14 hours ago
-
RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
-
RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 3 days ago
-
RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 4 days ago
-
RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
-
RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 5 days ago


