Is it efficient having the hot water on all the time on an unvented system? | Bathroom Advice | Plumbers Forums

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C

calinfila

hi all. I run in to trouble today with one site manager for advising the customer to have their hot water on a timer rather than on all the time. Aparrently thats not the case having the water on all the time is more efficient. Boiler is ideal logic and is linked to a unvented cylinder. What do my fellow tradesman think?
 
hi all. I run in to trouble today with one site manager for advising the customer to have their hot water on a timer rather than on all the time. Aparrently thats not the case having the water on all the time is more efficient. Boiler is ideal logic and is linked to a unvented cylinder. What do my fellow tradesman think?

Site manager is talking nonsense. Ask him what qualifications he/she has.
 
What the site manager means is he don't want the hassle off customers asking how to set the timer up etc..... He's only interested in himself. It's easy to tell people to leave it on and turn the room stat up if they want the rads on.
 
Its the difference between standing loses and how much energy it takes to heat a vessel from cold. On balance get the timer setting right for the customer usage and that would be the most efficient use.
 
I think that this document is the definitive one isn't it?

Para 2.2f refers to table 2, which requires timed control of stored hot water.

QED.

Reg Man's son's girlfriend sounds like my daughter, whose hot water requirements cannot be met by anything less than the geology of Iceland.
 
hi all. I run in to trouble today with one site manager for advising the customer to have their hot water on a timer rather than on all the time. Aparrently thats not the case having the water on all the time is more efficient. Boiler is ideal logic and is linked to a unvented cylinder. What do my fellow tradesman think?



I remember when fluorescent lamps came out at first, people would asked " is it more efficient to leave it on or turn it off when you go out of the room, it depends if you are going out for 1 hr, 1 day, 1 week, who bloody cares do your own ting man and make a decision a day, its like when you use to bleed off gas to vent a system in the early days, they would say, " I can smell gas, can you" all these memories flooding back, my body is telling me something.

I remember a long time ago next door neighbour knocked on he had been away to Spain for two weeks, can you come in Tony my hot water is still hot and I have been away, I turned the gas off before we went away, its wasn't winter BTW so don't start off on one, anyway went up to the cylinder and yes red hot, th' immersion heater twas on, been left on, I said you DH you left it on, where he said here this switch, that's been on ever since we bought the house 15 year ago, BTW in those days there was only a switch in the cupboard without a neon.

Oh happy days
 
I used to be the same. Then I saw the gas bill! Now the hot water is on for 2 hours a day and the heating only goes on when the Mrs starts turning blue.

What temperature does it have to be to turn your Mrs. Blue?

My Mrs. not only turns blue but goes feral at anything under 22C
Hence, I would rather pay the gas bill than put up with the diatribe.

A warm woman is a happy woman - or maybe just slightly more pleasant.
 

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