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@heacol
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Noble Member
Joined: Aug 6, 2021
Last seen: Oct 1, 2025
Profile Activity
Topics: 3 / Replies: 411
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Reply
RE: Fine tuning your ASHP performance

@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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Fine tuning your ASHP performance

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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump performance

@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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump performance

@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,...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Disappearing hot water.

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...

4 years ago
Forum
Domestic Hot Water & Cylinders
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RE: Say hello and introduce yourself

@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...

4 years ago
Forum
Introductions, Forum Rules & Updates
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RE: Concerned about running costs for our 2019 ASHP

@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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

@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 ...

4 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Vaillant Arotherm ASHP in Ayrshire

@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,...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm ASHP in Ayrshire

@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...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm ASHP in Ayrshire

@dchilton David, can i ask why you are installing a heat pump and a gas boiler?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

@morgan 🤣 🤣 🤣

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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