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ASHP-BOBBA
@ashp-bobba
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Honorable Member
Joined: Dec 6, 2024
Last seen: Aug 16, 2025
Profile Activity
Topics: 1 / Replies: 203
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RE: Air Changes per Hour - ACH and the MCS requirement

@jamespa I have not had a heat calc yet that is below 4.9kW so, so far so good for me but I am sure at some point I will do one. will also soon fit a ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Remaining hot water/hot water flow meter

@lakey Hi, I had a quick read through and wanted to see if I can help a little. Most new high gain ASHP cylinders loose very little heat so its wort...

2 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Failed install (initial SCOP1.8), clueless installer compounded by poor manufacturer support. Help needed desperately!

@bart Which county are you in? Kent by any chance? Send what you can and I will try to help. KR

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

@jamespa Hi James, I never mind these questions as its helps me learn too. I see this a lot, so I think there is currently no market value for them to...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Failed install (initial SCOP1.8), clueless installer compounded by poor manufacturer support. Help needed desperately!

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

@jamespa Its interesting that 10% miscalculation on design and can make such a big difference to running costs compared to the boiler days. I think we...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

@jamespa for the cheapest Its about £6500 +Vat, and £200 training, the more expensive is £11,000 and training and a loss of days works so If I get one...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Sizing of heat pumps

@benson HI, I don't know Clivet that well but if they have the data you will be able to get it straight from the manufacturer. I though most manufactu...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

It is expensive to gear up for either Pulse or Fan testing, some where between £10,000 and £20,000 for all the equipment and training but it would be ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air Changes per Hour - ACH and the MCS requirement

@matwin Quick question, do you think you would be more likely to have gone with a provider that included air testing in the building heat loss survey ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Radiators downstairs are cooler at the bottom after ASHP install

@melonbuffet Hi Melon, I would just concentrate on balancing as best you cvsn with clip on pipe clamps so its more accurate and then write it on a spr...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Radiators downstairs are cooler at the bottom after ASHP install

@melonbuffet Hi, this sounds great is you are getting 5 diff on the bigger rads now, all i need you to do is the same test again with every thing full...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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