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Graham Hendra
Graham Hendra
@grahamh
Member Professional Installer
Estimable Member
Joined: Apr 14, 2021
Last seen: Oct 7, 2025
Profile Activity
Topics: 7 / Replies: 103
AllTopicsReplies
Reply
RE: Graham Hendra’s e-book is out on Kindle

Thanks Mars. i wrote the book for homeowners, it answers all the simple questions like, how big is a heat pump, can it go in the loft etc. the next bo...

4 years ago
Forum
Buy & Sell
Reply
RE: Will you be able to afford running your air source heat pump this winter?

@saz if its set up right it is the most effective way to run, if its set up badly it costs a fortune. i would get somoene in locally who knows what th...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Will you be able to afford running your air source heat pump this winter?

A hughf, its a nice idea and its pretty good but its not the best way. i will leave you in suspense blog will follow soon

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Will you be able to afford running your air source heat pump this winter?

@prjohn you could be n ideal candidate for a technology i use at home which is used on Samsung units . keep an eye out for my blog, it will be a coupl...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Graham Hendra’s e-book is out on Kindle

thanks to everyone who's bought my book, if its successful I will publish part two which is a bit more hi level for engineers. A few people dont want ...

4 years ago
Forum
Buy & Sell
Reply
RE: Will you be able to afford running your air source heat pump this winter?

i completely understand that run costs are now much more important than they were a few months ago. Ive been doing some work on this working out the ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Happy Heat Pump Day

sounds like you had best call the installer back and get them to give it a tweak, it shouldn't be costing more.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

@cathoderay all fair points, you should go back to freedom / your installer with this data and they will look after you. under sizing is very rare the...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 14kW Midea ASHP in an old leaky building

hi everyone I dont get involved with after sales and problems anymore, those days are long behind me, I got bored of people asking my advice then ig...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The new heat pump grant – boiler upgrade scheme (BUS)

whats the unit? and where is it? i might know a good Samaritan

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Highly recommended heat pump installers

ok this one i can help with, Energize Uk did my RED unit, amazing job in Southampton, Simon Smith of SA is also a legend. if you are in Yorkshire, And...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Name and shame heat pump installers that have done shoddy work

Mars this is tempting, but im not dishing the dirt. I know some amazing installers too.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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