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Alec Morrow
@alec-morrow
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Reputable Member
Joined: Jan 7, 2022
Last seen: Sep 4, 2025
Profile Activity
Topics: 8 / Replies: 208
AllTopicsReplies
Reply
RE: Knowing a system will work before we commit to it

im not suggesting you have a hybrid system, although that may work for you. It’s the controls that deliver a decent heating system not the boiler or h...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Knowing a system will work before we commit to it

@oswiu Not sure where you are with this, but go for a manufacturer where the controller can operate either a heat pump or a boiler. My preferenc...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

What are people trying to achieve by widening the delta 2 the best approach is maximum flow and key the heat pump decide the rest gas boil...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Underfloor heating designer / engineer needed

As Brendon says, the trick is in the controls only add UFH if the daikin controller offers it and use their schematic and design (The controls m...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Underfloor heating designer / engineer needed

@heacol why would controls not be compensated? I’m afraid the use of on-off controls on heat pumps and gas boilers is just nonsense and not possible i...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Underfloor heating designer / engineer needed

Floor heating with an ashp is only worth doing if the pipes are in concrete and the covering ceramic or stone wood is a great insulator which i...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Underfloor heating designer / engineer needed

assuming the daikin is weather compensated, I am wondering why you would do this?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

Balancing with weather compensation on gas boilers and heat pumps is about distributing heat evenly and appropriately through the system, not about ac...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Knowing a system will work before we commit to it

I am an installer, in London. I work on a bug variety if properties, but since 2006 when I started this work, I have always followed boiler manufactur...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Knowing a system will work before we commit to it

@oswiu actually on off controls need to be removed in their entirety from the market Compensation controls are just glorified on off control...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Knowing a system will work before we commit to it

Manufacturers need to be more closely involved with much of the process in purchasing installing and commissioning heat pumps, may be their own certif...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Knowing a system will work before we commit to it

@oswiu if look at vaillant and the sensocomfort or vrc700 controls their diagnostics codes reveal lots of information and the app shows energy u...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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