Is it worth installing TVR's

johnjones323 · 21 Nov 2010

Hi,
I have an old 15 year boiler, but don't belive it is worth it to upgrade due to the payback time required. I currently have no TVR's. Is it worth installing? do they really save money?

I understand they shut of radiators but the boiler will still work until the thermostat turns it off?

Another question, are triple radiators more efficient than double or just produce more heat due to more surface?

Diyisfun · 21 Nov 2010

TRV'S are good as they allow you to control individual areas.
If you have a well balanced heating & more people than usual come into the room the trv will turn the rad off so the comfort level is maintained.
If you want to turn the heating down its a lot easier with trv, you only need a fracton of a turn.

Heat output from a rad is achieved by a few factors & 1 of them is surface area.

johnjones323 · 21 Nov 2010

I'm only interested if it ends up saving money, and I'm not sure that it does?

Whitespirit66 · 21 Nov 2010

A TVR

Untitled

Whitespirit66
21 Nov 2010
1

A TRV

View media item 28337
TRVs are useful for controlling individual room temps, but more important is a room stat. Only a room stat will turn the boiler off when the house is up to required temp.

Rob · 21 Nov 2010

johnjones323 said:
I'm only interested if it ends up saving money, and I'm not sure that it does?

Why are you not sure. If a rads heats the room less you're saving money.

The only reason not to fit them is if your rads are undersized and you'd end up leaving them on max anyway

Diyisfun · 21 Nov 2010

If you can DIY it you will save money eventually..but you must consider the comfort level.

If you cant do it yourself...forget it.

Garfeild · 21 Nov 2010

I wonder how much it would cost to install a TVR in my garage?

YELLERBELLY · 21 Nov 2010

Garfeild said:
I wonder how much it would cost to install a TVR in my garage?

about 15000 second hand

JohnD · 21 Nov 2010

johnjones323 said:
Is it worth installing? do they really save money?

Have you got a room thermostat and timer? that's the first thing.

Are any of your rooms a bit too warm while others are still too cool?

johnjones323 · 22 Nov 2010

I have a room thermostat and timer. I have no problems with some rooms to warm and others to cold.

JohnD · 22 Nov 2010

then IMO the cost of buying and installing TRVs will not get a worthwhile payback.

It is worth fitting them when you fit new or replacement radiators or valves, because there is no extra labour required.

johnjones323 · 22 Nov 2010

Thanks JohnD,
Have you an advise on if I should have the boiler on high or low setting. High setting warms radiators warmer and thermostat turns off quicker, low setting radiators still warm but takes longer to turn off. Which method is cheaper in your opinion.

JohnD · 22 Nov 2010

with an older, non-modulating, non-condensing boiler, I don't know. I have an idea they last longer if not run at max temp. I am a householder not a pro.

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Is it worth installing TVR's

YELLERBELLY

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