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Brendon Uys

@heacol

Contributor

Prominent Member

Joined: Aug 6, 2021
Last seen: Oct 1, 2025

Topics: 3 / Replies: 411

AllTopicsReplies

RE: Aira Heat Pump: Stylish Scandinavian Heating

@editor It is a physical and practical impossibility to balance a buffer in all instances and with varying loads, flow rates, temperatures and compres...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Two Heat Geeks say that an ASHP for my property will cost £25,000

@nicholab I am not sure I understand what you have said, are you saying that the contract they gave you said it would be expensive to run? That back...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Two Heat Geeks say that an ASHP for my property will cost £25,000

@nicholab According to your oil usage, you are using about 12000 Kw house per year, according to the EPC (which will be woefully inaccurate) you will ...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Our Vaillant VWL year end review - North East Scotland

@neilhighland Have a look at the Panasonic T cap, a little more expensive but a far superior unit. You get what you pay for.

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

Topic

Ground Source Heat Pump Systems and Their Design

2 years ago

Forum

Ground Source Heat Pump (GSHPs)

Replies: 0

RE: Heating and Hot Water Issues with Thermal Store/Heat Pump

Sorry to be the bearer of bad news, your system is designed for a high temperature heat source, back boiler, on-off old type gas or oil boiler or biom...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Grant 13kW Aerona3 - issues getting zones to temp

@crimson Unfortunately unless you change the installation, anything you do will have little effect on the performance of the system. Heating systems a...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Grant 13kW Aerona3 - issues getting zones to temp

@crimson I know they would say that, all Grant is interested in is stopping their unit from suffering low flow errors, they do not care about you and ...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Grant 13kW Aerona3 - issues getting zones to temp

@crimson Possibly, but I still think it is a water flow issue looking at the pictures. You will find a huge difference removing the low loss header an...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Grant 13kW Aerona3 - issues getting zones to temp

@crimson You are fighting a loosing battle, the low loss headers and the high temperature zone valves are tying both arms and 1 leg behind your back. ...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: How do I choose a single room MVHR to prevent losing heat in my bathroom ?

Yes it does, a direct swap, same 4" hole. The mini is fine.

2 years ago

Forum

Insulation

RE: How do I choose a single room MVHR to prevent losing heat in my bathroom ?

I helped develop these, they are brilliant, I have 1 in my house and no damp or condensation.

2 years ago

Forum