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Scalextrix
@scalextrix
Member
Estimable Member
Joined: Sep 26, 2024
Last seen: Mar 3, 2026
Profile Activity
Topics: 6 / Replies: 121
AllTopicsReplies
Reply
RE: When will heat pumps and install prices come down?

I can't say for certain, but on my analysis it's not the heat pump itself, but the changes to the heating system that are the cause of the high upfron...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery storage to run Heat Pump.

@jamespa jumping on this thread late, and I'm of a similar opinion to you, I've been getting quotes every few years for a battery. The payback has g...

12 months ago
Forum
Energy Storage
Reply
RE: Vaillant AroTherm Plus 7kW

@judith we had a thermostat fitted for the kitchen as there is a lot of solar gain, and it seems to have stopped that function. I'm not really b...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: "Condensing" heat pumps?

There are heat recovery heat pumps that are designed to work on exhaust gasses from other processes, in an industrial setting for example. They could...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant AroTherm Plus 7kW

@jamespa I have a hydronic baseboard heater in the kitchen but I don't think it will work as it only activates the fan above 35C water temp. Not wor...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant AroTherm Plus 7kW

What do you connect that to internally, I'm assuming standard radiators don't work?

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant AroTherm Plus 7kW

Thanks both, I found the 3kW on a UK document somewhere though I don't have it to add here right now. We are at that point where the 5kW unit is...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant AroTherm Plus 7kW

Thanks for the comprehensive write-up, I am considering the same unit. Do you know what the turn-down or minimum modulation is on the unit and roug...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Plate heat exchanger considerations

As far as I can tell my vented system would have a peak pressure of about 0.5 Bar, which technically does meet the absolute minimum pressure of the AS...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Plate heat exchanger considerations

Thanks, this is what I was thinking about, so as long as heat energy can transfer back through the PHE into the primary circuit during defrost, then t...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Plate heat exchanger considerations

@jamespa I don't understand any point in an air test, if that fails, then the pipes are then broken, and the system cannot be refilled without digging...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: All your heat pump problems solved by -- a plate heat exchanger in a plinth!

@jamespa I hope I'm wrong but I suspect you will get an error code if it gets too low. Vented systems are so much simpler, it would be nice if heat ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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