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Last seen: Oct 15, 2026
I posted an image from the FTC6 installer manual that clearly shows per pump power settings (like our FTC7) and a perfectly reasonable assumption of "...
@pauli For the conventional approach, have you considered the 4kW Grant R290 heat pump? The specs say that it can modulate down to 1.25kW output (s...
The answer was in two parts in my reply, the second part that also answered some of your other points was: "If you effectively eliminate the over re...
Can I ask where the 2.8kWh figure comes from? I checked the FTC6 manual and it has the same settings for pump power as the FTC7 (see below from the FT...
To quote myself from a pervious post: "it's temperature sensors are thermistors with +/- 0.5C accuracy so at a dT of 5C can introduce a +/- 20% inac...
The FTC7 controller we have has configuration settings for pump power consumption values: Our settings have 39W for pump 1, as that's the power co...
Here's a couple of examples: 10.7 kWh estimated vs 7.3 kWh actual => 46.6% 12.1 kWh estimated vs 7.6 kWh ac...
Hi @majordennisbloodnok As per your second post, yes I'm referring to Open Energy Monitor and not Original Equipment Manufacturer. I also have Phil...
Some of the moderators of this forum post data from OEM, so I'm not the only one doing that. Other forum contributors have also stated that they own O...
So if "the compressor is already working at a high enough compression" then there is no additional electrical energy required to perform the defrost. ...
You said "this chart says I missed 7 defrosts during my setback saving oodles of cash compared to operating it 24/7." clearly implying that missing 7 ...
Except there's little evidence that defrosts use a significant amount of extra electricity.
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Latest Posts
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
I think Heat Geek have done an amazing job on their bra...
By Tomtheheatingengineer , 3 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
I have just had 3 heat loss surveys, one by heat geek o...
By David , 4 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
I think that's the key question. After all inverter uni...
By Prunus , 5 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 6 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
A unit which uses water to transfer the heat/chill from...
By Temperature_Gradient , 6 hours ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 7 hours ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 7 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 12 hours ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@editor Most certainly. The heat pump was an ideal s...
By Abernyte , 12 hours ago
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Although regulations may well vary from country to coun...
By Majordennisbloodnok , 13 hours ago
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RE: Does anyone have experience of a smart water meter?
Yep I caught our slow leak from a £100 bill rise 8)
By EtchedPixels , 13 hours ago
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RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?
@jamespa in some cases, failing the Turing test might b...
By GrahamF , 16 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 18 hours ago
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RE: tepeo ZEB UK Support & Info Thread
Sorry you are correct, I was remembering figures from t...
By JamesPa , 1 day ago
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