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Brendon Uys
@heacol
Contributor
Prominent Member
Joined: Aug 6, 2021
Last seen: Oct 1, 2025
Profile Activity
Topics: 3 / Replies: 411
AllTopicsReplies
Reply
RE: Heat storage batteries

@derek-m The cheapest and best heat energy storage is a thick concrete slab with a well designed low temperature under floor heating system

4 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Heat pump delta T too low - 2c

@benseb the Delta T should be between 5 and 10 Deg C. Try reduce the speed on one of the circulating pumps. This will increase the Delta T and further...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

Mars, I think you are very optimistic and have significantly overstated the number of well designed systems. From the amount of systems that we sort o...

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

@transparent You seam to have a system with a lot of potential. With a few alterations, it will improve conciderably and reduce your running costs. Yo...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: not having a good time with my ASHPs (yes, plural)

Difficult to derimine your problem but with the COP figgures you have mentioned, you have some serious problems, and unfortunatly you seam to have a v...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP options for my mum living in Cambridgeshire

@derek-m A thermostat is a device that controlls atemperature, it cancachieve this in many different forms. On-Off is the most basic form and concique...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP options for my mum living in Cambridgeshire

@derek-m It looks like a standard thermostat and connects to a standard under floor actuator head. Instead of either open or close, as with a standard...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP options for my mum living in Cambridgeshire

@derek-m I like to keeep things simple and use a Pulse width modulation thermostat with the heat pumps WC on under floor and the heat pumps load/WC o...

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

@transparent What heat source do you have? Setting a constant temperature on under floor will do a number of things, Create a very high swing in t...

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

@alec-morrow We have fantastic results with under floor with any surface when designed and installed correctly, we find weather comprnsation only work...

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

@alec-morrow You would be correct if the system was designed and installed as in the pictures above, that is a high temperature system, not suitable f...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Looking for a GSHP installer

@robl The kensay units are very simple and I do not believe have an option for cooling, a third party controller will be necessary, which is usually n...

4 years ago
Forum
Ground Source Heat Pump (GSHPs)
Page 18 / 35
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