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Last seen: May 25, 2026
I'm not and as I wrote the logic of Part L is a bit questionable in places. The regulations just say they must be fitted, not that they must be used. ...
The logic of Part L is a bit questionable in places! But why do you think most heat pumps can't handle this? Or more to the point, why most water pump...
Part L just requires thermostatic controls to "adapt" the heating output, so thermostatic on/off controls are sufficient. No need for variable flows o...
That's really a question for the OpenEnergyMonitor folk (hello@openenergymonitor.zendesk.com) but if you just wanted to monitor the combined input/out...
Mitsubishi's use a Sika flow meter and two thermistors (attached to the outside of the flow and return pipes) in the "plant room". From those the flow...
@jamespa The 6kW is £4666 and 8kW £5295 on midsummer's, so no not much.
There is, the Mitsubishi R290 8kW has a 6kW inverter and a 2kW fixed in the outside unit. The 2kW is only used when more output than the 6kW can produ...
Presumably the timer for timed DHW, that @jaket suggested, is just the standard feature of an Ecodan controller (and other heat pump controllers), so ...
That's odd, you should be able to set 3 or 4 levels of quiet in the installer menu. Mitsubishis also have an Eco mode for DHW, you might want to tr...
@davidalgarve Much bigger heat pump than us but still a surprising amount of power, do you have it in Eco mode? Or use quiet mode? If it uses 3kW ...
Most batteries are what is known as DC-coupled, which means that they use the solar inverter to convert their DC voltage to AC used in your house. So ...
Cosy has the 3 hours of peak rate and the day rate is appropriately 1.5p per hour more - which is appropriately equivalent to another hour and a half ...
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