Last seen: Feb 5, 2024
Is the 130kWh electricity usage or heat delivered? If it's heat output then that corresponds to a heat loss of 5.4kW which isn't unreasonable for many...
I've seen people do this for aesthetic reasons (possibly harming their performance), but what is the motivation behind a protective fence? To protect ...
I believe oil usage in litres multiplied by 10 to be your heating requirement in kWh, so with 6 lots of 250L per year that suggests you need 15, 000kW...
Although that's the case, it's very liberally (unfairly) interpreted in this case since it's sheltered on three sides, but not in a way one of those p...
Wow the positioning of that heat pump is shocking. It's barely got any room behind it, it has almost no room around it, it's well closer than 1m to th...
There clearly are differences between them, but I would say generally it's the system design that matters more than what is outside. I spent a while l...
@parmstar so on the temperature front it's clear they just didn't design as you asked. Your actual heat losses could be over 10% higher than that with...
@parmstar sorry to hear about your problems. What is your heat pump model number, the calculated heat loss of your home and the design flow temp? I ...
This may or may not be the case, I was just going off what it said in the above Grant manual. It seems to have a 1 (on) or 0 (off) control, then a two...
@bretix they told you you'd use over 31,000kWh on your heat pumps and you're on track to use 17,000kWh of electricity including your general usage and...
This is what I came to, but then I couldn't understand how there could be 3.3kW of ventilation losses in a house that's only 5 years old, since OP sai...
Did you have a heat loss survey done? Did the installer suggest changing the rads to work with a heat pump?
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RE: Setback savings - fact or fiction?
No need to create a new thread, @sheriff-fatman. You do...
By Majordennisbloodnok , 4 hours ago
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RE: Power outages and storms: A surprisingly good DNO experience
Well done to Scottish Power for doing a good job. Well ...
By Majordennisbloodnok , 4 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
Fair point. The highest frequency of defrosts I'd seen...
By Sheriff Fatman , 5 hours ago
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RE: Heatpunk Floor plan issues
It's usually the complete opposite... seldom that Safar...
By Mars , 5 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@mike-patrick interesting update - thanks.I've been thr...
By Tim441 , 6 hours ago
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RE: Recommended home battery inverters + regulatory matters - help requested
I remember reading in some inverters. They mandate a se...
By Batpred , 7 hours ago
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RE: Fan is clipping ice build up from the front of unit.
@majordennisbloodnok I’ll not go there thanks! Toodles.
By Toodles , 8 hours ago
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RE: Running from backup generaor in powercut?
@majordennisbloodnok Back in the 80’ or 90’ we had a te...
By Toodles , 8 hours ago
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RE: Running my new Nibe ASHP efficiently
I'm new to the forum. Did you get a reply to this last ...
By Mike @ Camelot , 9 hours ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@grantmethestrength MCS requirements for DHW capacity h...
By Toodles , 10 hours ago
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RE: New Mitsubishi Ecodan 11.2kW installation - L9 errors and maybe more
Great to hear! I just figured this out a day or tw...
By anotherdaveuk , 11 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk I'm observing my own system at low temperatures ...
By dr_dongle , 16 hours ago
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RE: Free Ecoheat Heat Pump Install
@deltona Yes older houses are problematic like that, bu...
By bontwoody , 1 day ago
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RE: Radiator sizing sanity check
As I mentioned early on the cost of supplying and fitti...
By JamesPa , 2 days ago
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RE: Electricity price predictions
Great point, one of the key ones in my chat with Octopu...
By Batpred , 2 days ago
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RE: New Fogstar 15.5kWh upright solution
Let me point out that there are many Chinese suppliers ...
By Transparent , 2 days ago
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RE: Weather compensation- why you should use it
@majordennisbloodnok — The Two Ronnies Mastermind sketc...
By cathodeRay , 2 days ago
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Just realised that this image of the cylinder cupboard ...
By Sheriff Fatman , 2 days ago
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RE: Rodents! A word of warning for heat pump owners
Two thoughts: 1: Let's ask @david-s if Primary Pro in...
By Transparent , 2 days ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
In the diagram below, I describe my understanding of th...
By Batpred , 2 days ago


