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Last seen: Aug 11, 2026
@old_scientist In my case I want to avoid any quick cycles on the HP, so in addition to using ambient temperature curves to control temperature, I pla...
@bobflux Yeah .. that is what I see as well. In my case I’ll run the pump in parallel, always on, through the floor as well as through a whole house ...
@old_scientist Thanks for the reply. I am looking at this question from the perspective of physics. My system will be open loop with two large heat ...
Perfect is the enemy of good. I can’t perfectly control some of the “overshoot” in house temperature .. ie due to sunshine and / or burning too much ...
@bobflux … yeah .. we have to run glycol here. The HP I’m looking at can signal a secondary system … so I may experiment with that as a control for su...
@jamespa Thanks guys. Just for fun .. I should also point out that since we are so cold here in the winter (it usually stays above -30C but we do occ...
@bobflux I’ve been experimenting with the cooling loop for 2 years now .. running 7C well water through it to see if the exchanger could keep up with ...
@editor Thanks for the reply. I agree .. I’m good at math and reason .. and the mass of the slab greatly exceeds the mass of a buffer. As long as my...
@jamespa Thanks for the quick reply. My supplier is suggesting a 4 port buffer for 3 reasons .. to assist defrost, to reduce short cycling, and to en...
I am an Alberta, Canada installer new to A/W heat pumps. I just signed up to distribute Arctic Heat Pumps, which I believe sell rebranded Macon R32 i...
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Degrees of Separation
Latest Posts
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@jamespa Also this coming winter I am going to run my c...
By kilgorexv , 4 hours ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 7 hours ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 7 hours ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 15 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 16 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 18 hours ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 1 day ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 4 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 4 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 5 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 5 days ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 6 days ago
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