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Graham Hendra
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Graham Hendra
Graham Hendra
@grahamh
Member
Reputable Member
1898 kWhs
Expert
Joined: Apr 14, 2021
Last seen: Apr 8, 2024
Profile Activity
Topics: 6 / Replies: 94
AllTopicsReplies
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 ...

2 weeks 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...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
World’s Most Expensive Kettle: Undersized Heat Pump
3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 9
Views: 201
Topic
How Do Refrigerants Actually Work?
1 month ago
Forum
Well & Truly Off The Grid
Replies: 0
Views: 100
Topic
Do thick walls make for warm houses?
3 months ago
Forum
Insulation
Replies: 4
Views: 222
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...

4 months 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

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What do we need to know before installing a heat pump?

@derek-m to be honest i couldnt care less what they do. whatever happens there will be more paperwork and not a lot will happen.

12 months ago
Forum
Government Schemes, Regulations & Organisations
Reply
RE: What do we need to know before installing a heat pump?

@ginny i was the founder of freedom. But i dont work there any more, i haven't for 2 1/2 years, i sold it. I got fed up of people constantly asking fo...

12 months ago
Forum
Government Schemes, Regulations & Organisations
Topic
are their any nice easy to understand books on heat pumps, a shameless plug
12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 0
Views: 447
Reply
RE: 12kW Samsung gen 6 short cycling

i like it, yes , short and sweet

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

look i know its not what you want to hear but stop obsessing over the PWM output. Im afraid that most heat pumps dont really have a pwm function at al...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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