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Kev M
@kev-m
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Joined: Mar 5, 2021
Last seen: Jan 8, 2025
Profile Activity
Topics: 10 / Replies: 1266
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RE: Knowing a system will work before we commit to it

It was very easy for us as we live in a bungalow and everything goes through the attic and downwards. Having different sized pipes is OK. You have to...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Knowing a system will work before we commit to it

@oswiu I think your option for the radiator would be (1) bigger pipes then either a bigger radiator or more than one radiator or (2) another pair of p...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Launches the EHS Mono HT Quiet – A High Temperature, Low Noise Heat Pump Ideal for Home and Building Renovations

@iancalderbank Isn't it the other way around? That is, if you make the flow rate lower - either by changing pump speeds (i.e. turning them down) o...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Knowing a system will work before we commit to it

If your design temp is -3 deg or thereabouts, you're going to be using a lot less than 6kW nearly all of the time, as long as you adopt the 'slow and ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Launches the EHS Mono HT Quiet – A High Temperature, Low Noise Heat Pump Ideal for Home and Building Renovations

The regulations say "The volume of the air source heat pump’s outdoor compressor unit (including housing) must not exceed 0.6 cubic metres", the Samsu...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Launches the EHS Mono HT Quiet – A High Temperature, Low Noise Heat Pump Ideal for Home and Building Renovations

Some numbers that are out there are its dimensions; 1270 x 1018 x 530 mm. I make that 0.68 m3, which is more than the current permitted development l...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do I have a bad install and what can I do to improve it?

@derek-m yes I did thanks. They came back and fitted the energy meter properly and it's up and running. I also managed to apply for and get the extra ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do I have a bad install and what can I do to improve it?

Hi Mars, I suspected because I thought the rads were hotter than the compensation curve was set at. I bought some cheap aquarium thermometers and co...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do I have a bad install and what can I do to improve it?

@rich It's normally better to avoid too many zones. As you've found out, this can lead to only one room being heated at a time. As well as potentiall...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Electricity price predictions

@mike-patrick I don't think it's a coincidence. When you add the fact that even a new gas boiler is only up to 90% efficient (and old ones are a lot l...

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Mitsubishi 8kW - strange energy use readings

@gfletcher there have been many discussions on other forums about Ecodan standby power consumption. Some users report up to 200W on standby. Mine ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

I haven't calculated it but I've read it's about a 5% loss for a typical ASHP treated with a glycol based inhibitor vs pure water. That will add up bu...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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