Hi All,
I have a question which i believe mostly professionals would be able to answer. I have an Evohome system which works with two valves, one for HW and one for heating the radiators (with HR92s). My boiler works with LPG (not sure if this is relevant). Does anyone know whether turning on the HW (HW BDR91) while the heating is on (Heating BDR91) is more cost effective compared to turning on the HW when Heating is off. Currently I would like to turn on HW 30-60 mins before i would like to use it (but sometimes during that time the heating is off since the house has already reached a good temperature).
I ve been hearing from "old school" professional that turning on the HW while the heating is on is more cost effective - but in some cases you might use the HW 6-7 hours later and there would be definitely some temperature loss.
I have a question which i believe mostly professionals would be able to answer. I have an Evohome system which works with two valves, one for HW and one for heating the radiators (with HR92s). My boiler works with LPG (not sure if this is relevant). Does anyone know whether turning on the HW (HW BDR91) while the heating is on (Heating BDR91) is more cost effective compared to turning on the HW when Heating is off. Currently I would like to turn on HW 30-60 mins before i would like to use it (but sometimes during that time the heating is off since the house has already reached a good temperature).
I ve been hearing from "old school" professional that turning on the HW while the heating is on is more cost effective - but in some cases you might use the HW 6-7 hours later and there would be definitely some temperature loss.
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