Last seen: Sep 26, 2025
@editor guess the reason im asking is cause ive looked at the break down on heat geeks quote system and then stripped out what ive already done and im...
just trying to roughly get an idea what price an install should be if the following has already been done. 1) upgraded some 15mm copper runs to 22mm...
@jamespa so if i have a 1988w rad at 40c @-3.1 it will only be 509w?
@jamespa heat loss list on first post. it’s the one that says nearly 2kw, I’ve just split it into 2 rooms as we’re going to put a sliding wall betwe...
@jamespa thanks for the info but I think I must have something wrong. The heat loss for the whole house is about 7.5kw. The room is only 3.756m x 3.68...
can i ask then if i have a heat loss for a room of 1079w and a flow of 40c@-3.1c what wattage rad do i need to hit? cause at the moment im struggling ...
@jamespa what I didn’t want to do was oversize too much then end up having the HP cycling. What I have noticed is most companies I’ve contacted want t...
@jamespa I’ve had a few done most come out around 7kw so that’s probably about right, but the loss per room I’ve only got one and it’s been corrected ...
@jamespa I’m planning to try for 40c as that’s what my old installer was going to do. I will measure the rads and see where I need to upgrade. One of ...
tf heating and plumbing Visited today. They are suggesting a 2 port buffer/volumiser. Also said the rads would needs to be upgraded if needed otherwis...
the training is not happening at any pace. they have a whole room with HP's of different brands in at my local college but no one to teach it, the gas...
just wondering if the UFH is creating some back pressure and the rad locksheilds are closed down too much so when the pump kicks in its pumping agains...
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RE: Help me keep the faith with my air source heat pump installation
@jamespa Here’s a pic of part of the pipes. They hav...
By AdamK , 7 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Manufacturer: Vaillant Model: Arotherm Plus 7kW Typ...
By MatWin , 8 hours ago
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RE: Say hello and introduce yourself
Sounds interesting. According to the website the cap...
By JamesPa , 8 hours ago
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
We have a lot of work ahead to get this done properly. ...
By Mars , 8 hours ago
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RE: Do I just go with the lowest quote for my heat pump?
You are right It will depend on how its b...
By JamesPa , 9 hours ago
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RE: Which thermostat should I get (or do I need one?)
You need a plan first I think, it's really about wiring...
By JamesPa , 10 hours ago
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Samsung Gen 6 - Schedules not working
I think I may have done something silly, but havent bee...
By bontwoody , 12 hours ago
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RE: DNO export limit problems.
Ask DNO if its a load balancing on your phase of the su...
By AgentGeorge , 12 hours ago
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@papahuhu Sounds as though you need to speak to your in...
By Toodles , 15 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Signed.
By Morgan , 15 hours ago
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I ‘did the math’ for Nov. to the end of April to be on ...
By Toodles , 16 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@tasos automations on Home Assistant so if there is a p...
By benson , 17 hours ago
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RE: Sizing - Save me from my headache
Mitsi 8kW has a 6kW variable and 2kW fixed compressor s...
By JamesPa , 1 day ago
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@drei your proposed radiator design looks inadequate to...
By GrahamF , 2 days ago
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?
Actually, I think the issue is the different rate of he...
By AndrewJ , 2 days ago
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RE: 5 Star Service from Havenwise
That's why homes are spread across the three phases. ...
By Dan_Grey , 2 days ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
@editor like @jamespa, I had a list of test questions: ...
By GrahamF , 2 days ago
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RE: Do primaries need anti vibration clips?
@adamk @ashp-bobba The vast majority of the time my 7...
By JamesPa , 2 days ago
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RE: Which temperature sensor for a Steibel buffer and Ecodan?
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