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Heating a conservatory (Read 2170 times)
garyclay
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Heating a conservatory
Nov 4th, 2004, 5:14pm
 
Hello, I have a largeish conservatory (5m x 10m, upvc/glass with polycarb roof) that we use mainly for the kids to play etc. In the winter it gets cold despite having a rad in there.

The radiator is 1400mm x 450mm single.

Is it worth my while getting a larger double radiator to try and heat the space or is it a losing battle and would it put too much load on the boiler.

Thanks for any advice.
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JerryD
Re: Heating a conservatory
Reply #1 - Nov 4th, 2004, 11:55pm
 
Losing battle I'm afraid!.  You can't "put too much load on the boiler", it will just produce its output and that's it, it can't be "strained" by having to heat a large cold room!

You would need about 30,000 Btu rad in the conservatory to beat the cold in the winter.  Best way is to have insulated blinds all round (and I mean insulated).  We have these and they make a huge difference.  If just one of the blinds is not down properly we can notice the difference.  Unfortunately these cost serious money.  A mate of mine recently had his done and saw no change from £5,000  Shocked Shocked

However, increasing radiator size will help obviously but usually conservatories have very little wall area to allow big rads to be fitted.
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HM
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Re: Heating a conservatory
Reply #2 - Nov 5th, 2004, 3:51am
 
It could potentially be an option to increase the Btu capacity of the boiler by replacing the boiler, and thus give more oomph to the heating capability of the radiator circuit. This is an area where you will need specialist advice however, it's not just a case of buying a bigger boiler and bolting it on the wall because you might need to upgrade the pump(s) and other elements of the CH too.

However, you need to look at the heat loss profile. That room is getting cold because it is managing to loose heat faster than it is being gained. Conservatories usually have a lot of glass area, so are the windows double glazed? Conservatory roofs are typically glass (or plastic) material and heat rises, so that's an area to check as well.

What's the floor like in there? Cold ceramic tiles? It might make a lot of difference if you carpeted or used some vinyl cushion flooring.

Andrew
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