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Prunus
@prunus
Member
Estimable Member
Joined: Apr 6, 2021
Last seen: Oct 16, 2026
Profile Activity
Topics: 6 / Replies: 77
AllTopicsReplies
Reply
RE: Are air source heat pumps overpriced in the UK?

@julianc Absolutely, I'm not really suggesting this as a feasible option for a lot of people. For other thing, the RHI and friends have a list of 'ap...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are air source heat pumps overpriced in the UK?

I posted this on another thread - from Alibaba: 11kW ASHP monobloc - $838 Heat pump water cylinder - $286 Radiator-style fan coil unit - $125 (i...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The ASHP industry is not helping itself.

On costs, I've recently been spending some quality time on Alibaba. Typical examples (clickable links): 11kW ASHP monobloc - $838 Heat pump water...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Smart Home Tech

@derek-m Yes, going for the classic industrial control route is one option. There's a certain merit to hardwiring in valves and sensors and running t...

6 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Smart Home Tech

I can't help but feel this is all a bit primitive. We have a mishmash of control systems all fighting against each other. For example, the heat pump...

6 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Low temperature radiators

@kev-m I haven't tried running rads at 50C as the old oil boiler is very unhappy if the output temp is set below 70C. I'm just curious whether there a...

6 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Topic
Low temperature radiators
6 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Replies: 2
Views: 3627
Reply
RE: Power supply

A caveat that most houses have a maximum 100A cutout (fuse) carrier but it doesn't tell you what fuse is inside. There may be a note on it indicating ...

6 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Say hello and introduce yourself

Hello everyone!I've been on an interesting ASHP journey... we have an semi-detached bungalow with an oil boiler on its last legs. I had an ASHP repla...

6 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Emphasis on Home insulation - perhaps too high.

@derek-m A2W can be used for cooling. Many are reversible so you can switch the outdoor unit to making cold water instead of making hot water. The pr...

6 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Emphasis on Home insulation - perhaps too high.

I'm curious what the practical difference is between an A2A air con unit and an A2W ASHP using a fan coil? Most heating-based ASHP systems are using r...

6 years ago
Forum
Air Source Heat Pumps (ASHPs)
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