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 ...
Latest Posts
-
RE: My DIY Heat Pump installation
Really interesting post, and great work. I might have m...
By benson , 2 minutes ago
-
RE: UFH downstairs and radiators upstairs balancing question
@toodles not yet. The UFH takes the slightl...
By davidnolan22 , 19 minutes ago
-
RE: Electricity price predictions
One persons view In sync with the Nesta figures s...
By Jeff , 32 minutes ago
-
RE: Oil Boiler & Heat Pump Hybrid System
So in that case they do have an incentive for you, as t...
By Transparent , 1 hour ago
-
RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
That's a failure to comply with Part-L of the Building ...
By Transparent , 2 hours ago
-
RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Ok so that seems to be the key point namely only mcs ca...
By JamesPa , 2 hours ago
-
RE: One flow valve appears to be duff
You might want to consider the following common faults:...
By IaAck , 10 hours ago
-
RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
We are on the Intelligent Octopus Go tariff. We instal...
By GrahamF , 12 hours ago
-
RE: New build installation query
@paullacey While the others wait for more info do you m...
By ASHP-BOBBA , 21 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
I have only just spotted this post, sorry I missed it e...
By JamesPa , 1 day ago
-
RE: British Gas Heat Pump Installation Complaint
@bgno, the other consideration for legionella cycles ar...
By Mars , 1 day ago
-
@old_scientist I dont monitor the tank temperature but ...
By bontwoody , 1 day ago
-
RE: Say hello and introduce yourself
Hello @paultheheating - I'm a rural Moderator! What's...
By Transparent , 1 day ago
-
RE: What valves to replace radbots?
Yes. Radbots just replace TRV heads. TRV heads push t...
By JamesPa , 1 day ago
-
RE: Who has a V2G EV installation
Im looking at Anderson or Simpson and Partners, somethi...
By AgentGeorge , 2 days ago
-
RE: When will fusion be producing energy?
I am thinking of the case where AI was able to distingu...
By Batpred , 2 days ago
-
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
Very definitely. I think the market has changed a bit...
By JamesPa , 2 days ago
-
RE: Buying large amp bidirectional RCD and RCBO
The following diagram is taken from the Meter Operator'...
By Transparent , 2 days ago
