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Graham Hendra
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Graham Hendra
Graham Hendra
@grahamh
Member
Reputable Member
2262 kWhs
Expert
Joined: Apr 14, 2021
Last seen: Jan 6, 2025
Profile Activity
Topics: 6 / Replies: 99
AllTopicsReplies
Reply
RE: Best Heat Pump Brands 2025

yep the BISRIA report publishes these figures 2 x per year.

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Best Heat Pump Brands 2025

interestingly no really clear winner. I would have thought someone would have picked up 50% of the votes and a the rest divided by the others. So over...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Choice of heat pump - Help needed - Vaillant Arotherm versus Samsung versus Logic Air versus Grant Aerona

fair points ive not tried them on aftercare but tbh i haven't tried very hard with either of them, never had the need, they are just average heat pump...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Choice of heat pump - Help needed - Vaillant Arotherm versus Samsung versus Logic Air versus Grant Aerona

tbh there isnt a lot of difference between the heat pumps listed, they are all good, all small, all quiet etc. But the service levels are dramatical...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Dodgy Vaillant ASHP foundation & Eddi Diverter Making Central Heating Water Dirty

ok first there is no need and never has been a need for a concrete plinth, as long as your unit is level ish. Mine is on the grass, guess what it work...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: World’s Most Expensive Kettle: Undersized Heat Pump

i dont think they are dishonest, they just cant do the maths. back in the old days the supplier did the heat loss so this dindt happen. now any idiot ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: World’s Most Expensive Kettle: Undersized Heat Pump

i agree pasiv houses are 10W/m^2 but by definition a passiv house wouldn't need a heating system. so i never come across them. They are also incredibl...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
World’s Most Expensive Kettle: Undersized Heat Pump
10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 9
Views: 401
Topic
How Do Refrigerants Actually Work?
10 months ago
Forum
Well & Truly Off The Grid
Replies: 1
Views: 477
Topic
Do thick walls make for warm houses?
12 months ago
Forum
Insulation
Replies: 11
Views: 769
Reply
RE: National heat pump day April 12th

I used 3305 kWhrs over the whole year and 1608 kWhrs by the 12th April. not bad huh? it was higher than expected in the first 4 months as it was supe...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installation queries for Grant Aerona

@iancalderbank im no eco 4 expert i tend to steer well away from this sort of thing sorry

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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