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Last seen: Sep 25, 2026
The issue with A2A monoblocs is the airflow needs to be quite high, and pushing it through 150-200mm wide ducts requires a powerful fan that makes noi...
I've been doing it, 16-17°C water in the slabs. The effect is subtle, ie it is only noticed when it's off, "hey it's hotter than usual here!..." U...
If you have a flowmeter and two temperature probes, then you can calculate power, so you have a thermal power meter. Won't accumulate kWh like a real ...
My heat pump receives sunlight, so when the fan is not blowing, OAT sensor readings are hotter than actual air temp.
It's pretty much always a thermistor. It has to be installed with standard electrical cable, usually two wires... nothing fancy, thermistor has no p...
I don't understand either. But you can find out which pipe feeds which radiator by closing them all except one. The pipe with water circulating will...
It's laziness lol The PV system is very chatty, meter power is used to control loads like the EV charger, so it updates something like 10 times/s, p...
The issue with HA is tons of columns in the table. They do contain useful data, for example what automation flipped a switch, etc. It is a nice model ...
Had the same problem. I ended up with a Zigbee sensor stuck to the trunk of a tree 🤣 What the sensor is mounted on matters: if it has high ...
Is the sensor exposed to direct sunlight in the morning?
It would be nice to map the flow and return pipes and get some accurate lengths. Perhaps OP can discover a convenient way to split or loop the long 15...
With a bit of persuasion, a SPICE circuit simulator will do hydraulics Assuming 5 rads, 8m pipe between rads (8m on flow and 8m on return) and 8m ...
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Degrees of Separation
Latest Posts
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RE: Why are ASHP installs so expensive?
@editor I look forward to watching the podcast. T...
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RE: Panasonic Free Multi Z and Etherea Internal units.
@dgclimatecontrol Thank you for that information and re...
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RE: My Kronoterm Adapt 0312 ASHP is finally installed!
@editor It was serendipitous really. Both my wife and I...
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@mrkfm, I'd also suggest that whenever you're ready, st...
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
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RE: Are you planning to use a wood burner to supplement your central heating this winter?
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@rob-of-york Thanks. I wish I'd started on this site as...
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RE: Passiv Smart Thermostat - Help & Forum Support
Thanks Will. I'll probably be a week or so before get...
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RE: Cooling using an air to water heat pump
From experience this summer, a single-split A2A unit on...
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Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Posted by: @ian-s Could always use the money saved o...
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Depends on what controls the pump! Thats the whole poi...
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