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@editor
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Illustrious Member
Joined: Feb 11, 2021
Last seen: Aug 26, 2025
Profile Activity
Topics: 305 / Replies: 3085
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Reply
RE: Hydrotreated vegetable oil (HVO)

@kev-m, all great questions, and this is exactly what I'm working through. The HVO isn't, as far as I'm aware, available yet to homes as a heating fue...

4 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Hydrotreated vegetable oil (HVO)

@derek-m, ah, that makes. During the boiler modifications, they ran the tests and the boiler was showing an efficiency of around 95% – but I did't tak...

4 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Topic
Hydrotreated vegetable oil (HVO)
4 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Replies: 105
Views: 19187
Topic
ASHP owners - did you apply for planning permission?
4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 3
Views: 1687
Reply
RE: Vaillant aroTherm 15kW ASHP - problems with council

@mbcool, 7m is a fair old distance. With our ASHP, stepping back 5m reduces sound greatly. Did your neighbour object?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Legionnaires and heat pumps

@kev-m, that’s all bang on. I didn’t realise Legionnaires died so quickly at over 60C. Interesting. Our DHW is set to 44C. The heat pump was set to ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant aroTherm 15kW ASHP - problems with council

Here’s a cheeky suggestion from another experienced installer: “Put a wooden cover over it, then you can't see it. It's no quieter but according to mi...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant aroTherm 15kW ASHP - problems with council

Just had a reply from an installer this query and they asked: “020 says 42db at neighbour’s nearest point, not sound output of heat pump at point of o...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant aroTherm 15kW ASHP - problems with council

Specifically, the proposal would operate at 7.5 dB(A) above the prescribed MCS (Permitted Development) level of 42dbA. That is a very, very low ba...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant aroTherm 15kW ASHP - problems with council

@dchilton, this is a new one for us too. In response to the original question, the heat pump will run almost 24/7 from November to Feb/March if you...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Vaillant aroTherm 15kW ASHP - problems with council
4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 29
Views: 6643
Reply
RE: 17kW Grant Aerona in a 230sqm retrofit

Welcome to the forums @julieb89. Good luck with your installation. As Julian says, please take as many photos as possible, and please fee free to post...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 229 / 284
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