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: Feb 24, 2023
@cathoderay do you have neighbours with similar buildings for their annual heating energy usages? in case the oil figures is some how off?
@yogabob i agree the manufactures COP calculation are only aproximate, but for Vaillant at least, they don't quote heat delivered they quote the '...
@cathoderay this sound like a nightmare. the heat delivered must be wrong, there are reasons for 20% increase in requirements, weather, losses out ...
@cathoderay I agree this is difficult and I have asked those on the open energy monitor forum to compare vaillant reading and their heat meter reading...
@dangermousie I have only the vr700 I think it's called which is the weather comp unit and the main vaillant controller. I don't have the sensocofort ...
@dangermousie good idea to have fresh set of eyes on your install by getting Vaillant to do a service. Although my physical install was pretty compete...
@cathoderay I found the design calculations from all heat pump installers were huge for us. When checked against our gas usage for the previous year a...
What you describe is mentioned in the book Heat Pumps for the Home by John Cantor. Essential reading for a heatpump geek! Page 51 has a thermal ...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
Yes, and I would suggest likely to get worse with more ...
By Batpred , 5 hours ago
-
RE: Electricity price predictions
This topic seems more suitable for this thread... I a...
By Batpred , 5 hours ago
-
RE: Why are ASHP installs so expensive?
It is clearly difficult to say, there must be cases whe...
By Batpred , 6 hours ago
-
RE: Who's your electricity provider and what's your tariff?
Hi all, I'm new to this game having spent the last 25...
By gz00 , 7 hours ago
-
RE: Panasonic Free Multi Z and Etherea Internal units.
@dgclimatecontrol Thank you for that information and re...
By Toodles , 11 hours ago
-
RE: My Kronoterm Adapt 0312 ASHP is finally installed!
@editor It was serendipitous really. Both my wife and I...
By tomasmcguinness , 16 hours ago
-
@mrkfm, I'd also suggest that whenever you're ready, st...
By Mars , 1 day ago
-
RE: Are you planning to use a wood burner to supplement your central heating this winter?
I use my stove daily for backup and comfort. Definitely...
By Margarethomas , 1 day ago
-
@rob-of-york Thanks. I wish I'd started on this site as...
By mrkfm , 1 day ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@downfield I just checked this morning and OE just r...
By Papahuhu , 2 days ago
-
RE: Passiv Smart Thermostat - Help & Forum Support
Thanks Will. I'll probably be a week or so before get...
By Singlespeed , 2 days ago
-
RE: Cooling using an air to water heat pump
From experience this summer, a single-split A2A unit on...
By Rob of York , 2 days ago
-
Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
By Rob of York , 3 days ago
-
RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 4 days ago
SPONSORS
