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Last seen: Oct 1, 2025
@editor Mars, your unit had a co of 3, My customers had a COP of 5. He has used nearly halve the electricity you have to do the same job, that will be...
Markc, I am sorry to say but with a flow temperature of 50 deg C at this time of year, I hope you have a very big pocket because your bill is going to...
@caroline2000 Do not despair, 9 times out of 10 it is a case of so cloce but so far. Often with minor adjustnents to the equipment and the way you opp...
@caroline2000 Your high energy bills are mor than likly caused by your thermostats. The heat pump is running flat out all the time and not modulating,...
It is very simple, you are treating your heat pump in the same way as your old boiler, your het pump probably produces 5-12 Kw, Your old boiler probab...
@helensq An air test of 4 m3/hr/m2/hour is not good at all, it is fine for a normal house with passive ventellation but not with an MVHR system, the h...
@caroline2000 It is usually quite simple to correct the installation. Firstly I would need some information. What is the make and model of your hea...
@helensq It is not a bad choice if it is done properly. Install thick screed under floor on the ground floor with pipe spacing of 100mm, no zoning ...
@dchilton As I said, if you are going to install a heat pump do it properly or you are going to be disappointed. If you do not upgrade your radiators,...
@dchilton hi, if your existing boiler was struggling, a new one will also struggle, and will probably be less efficient as you will be pushing high te...
@dchilton David, can i ask why you are installing a heat pump and a gas boiler?
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RE: Harvest Thermal - ASHP with a smart thermal battery
Thanks @jamespa many good points. I'm one of those st...
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RE: Heat pump installation quotations
That will be absolutely murdering your energy efficienc...
By EtchedPixels , 8 hours ago
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Floor standing brackets for K3 rads
My neighbour is a plumber and said I would need to fit ...
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After an intense recode, I’m pleased to announce that w...
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Why do you want to maintain a specific deltaT? The out...
By JamesPa , 10 hours ago
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Hopefully this will answer your question. To...
By ASHP-BOBBA , 11 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 11 hours ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 13 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
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RE: Several AC coupled batteries
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RE: GivEnergy inverter tripping due to over-voltage?
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RE: Say hello and introduce yourself
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RE: Electricity price predictions
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