M
ma701ss
Hi,
I've come on here hoping to get a clear explanation please! I live in a 1930's house, some rads are new with TRV's and some are old with no TRV's. We have a thermostat in the hall, with a large rad a few metres away. The boiler is condensing and we have a cylinder.
Central heating
With the thermostat in the hall, if it is set to 20 degrees then as soon as the hall is at this temperature the boiler will stop. The hall rad might be red hot but the rads in the other rooms might not yet have heated up and so those rooms will be cold. I therefore don't see how a thermostat works properly. I thought about putting TRV's on all rads, but how would these work exactly, and if I turn the thermostat right down then surely the boiler will never come on, so perhaps I should set the thermostsat to maximum and let the TRV's control the temperature?
Hot water
The cylinder stores the water, so should we have the hot water on 24/7? I assume that once the water in the cylinder heats to whatever the thermostat on the cylinder is set to, the boiler will switch off (assuming that CH is off). Would it be best to put the immersion heater on once the water is fully heated? My understanding is that the immersion heater will re-heat the water back to whatever the cylinder thermostat is set to, and then cut out until the temperature drops again. Is heating in this way cheaper than using the boiler? Does the immersion heater cut out or keep using loads of electricity all the time it is switched on at the spur?
Also, how long should it take roughly to heat a cylinder of cold water to 60 degrees? I wonder if it would be best to turn on the boiler only a few hours before we want a bath, rather than have it on all the time (assuming that CH is not needed).
ma701ss
I've come on here hoping to get a clear explanation please! I live in a 1930's house, some rads are new with TRV's and some are old with no TRV's. We have a thermostat in the hall, with a large rad a few metres away. The boiler is condensing and we have a cylinder.
Central heating
With the thermostat in the hall, if it is set to 20 degrees then as soon as the hall is at this temperature the boiler will stop. The hall rad might be red hot but the rads in the other rooms might not yet have heated up and so those rooms will be cold. I therefore don't see how a thermostat works properly. I thought about putting TRV's on all rads, but how would these work exactly, and if I turn the thermostat right down then surely the boiler will never come on, so perhaps I should set the thermostsat to maximum and let the TRV's control the temperature?
Hot water
The cylinder stores the water, so should we have the hot water on 24/7? I assume that once the water in the cylinder heats to whatever the thermostat on the cylinder is set to, the boiler will switch off (assuming that CH is off). Would it be best to put the immersion heater on once the water is fully heated? My understanding is that the immersion heater will re-heat the water back to whatever the cylinder thermostat is set to, and then cut out until the temperature drops again. Is heating in this way cheaper than using the boiler? Does the immersion heater cut out or keep using loads of electricity all the time it is switched on at the spur?
Also, how long should it take roughly to heat a cylinder of cold water to 60 degrees? I wonder if it would be best to turn on the boiler only a few hours before we want a bath, rather than have it on all the time (assuming that CH is not needed).
ma701ss
