Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
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...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Indevolt Batteries UK Support & Info Thread
... and you're aware that Plug-in Storage is not yet pe...
By Transparent , 24 minutes ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
Ah, that makes sense when a combi is in place. The boil...
By Batpred , 2 hours ago
-
RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
@bobflux Thanks, that gives me something to check the i...
By Paul1098 , 2 hours ago
-
RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
Without doing some research I can't immediately answer ...
By JamesPa , 4 hours ago
-
RE: Tesla Powerwall (2) Calibration Cycles
For Powerwall calibration, avoid forcing repeated deep ...
By EnergyStorageTech , 11 hours ago
-
Over the years, due to the non barrier PEX underfloor h...
By bobflux , 22 hours ago
-
RE: Getting closer to a finished Haier system
All the 45° elbows required for getting the primaries i...
By Singlespeed , 23 hours ago
-
RE: battery storage without solar
Indeed, current on the grid input = current used for ch...
By bobflux , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu @papahuhu A lot of tears and sweat went into ...
By Andris , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
We have the same problem, 12 mature trees clip the morn...
By Papahuhu , 3 days ago
-
RE: Solis inverters S6-EH1P: pros and cons and battery options
I had a battery and inverter installed a while ago, my ...
By Batpred , 3 days ago
-
RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
@ltron2 The EPC on our house is A-92, however that i...
By Rob of York , 3 days ago
-
RE: Heat pump branding. Clever, contemporary… or a bit too much?
The layout is confusing - much better like this: We b...
By downfield , 4 days ago
-
RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
My experience, backed up by opinions from various frien...
By Majordennisbloodnok , 4 days ago
-
RE: Analysis of the economics of switching to an A2W ASHP compared to other heat sources
I had a meeting today with a company based out of Swede...
By Mars , 5 days ago
SPONSORS
