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4.8 stars

1,566 reviews

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Combi boiler
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Excellent 4.8 out of 5
4.8 stars

1,566 reviews

Ravenheat CSI System

Boiler

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Make Ravenheat
Model CSI System
Is Condensing 0
Efficiency Rating 90.7

* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

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The Ravenheat CSI System is an intelligent gas combi condensing boiler which offers an integral energy management system - it's basically designed to extract the maximum amount of heat from as little fuel as possible.

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Excellent 4.8 out of 5

What work do you need?

Combi boiler
New Boiler with installation
New Central Heating
New Central Heating
Boiler Repair
Boiler Repair 
Excellent 4.8 out of 5

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Excellent
5 stars
Based on 1566 reviews
5 stars
7 August
From 1st phone call to installation 5…
From 1st phone call to installation 5 days , 1st class.
TERRY MOORE
5 stars
6 August
Exellent company
Exellent company. I got help with a new boiler and payment plan when no one e...
Rose Newman
5 stars
4 August
Great service
Great service. Boiler Guide contacted 3 local installers, who rang us back wi...
Alan Berresford
5 stars
2 August
More than satisfied with installation…
More than satisfied with installation and helpful staff
Donald Williamson
5 stars
2 August
Efficient
Very helpful and quick to respond and good in finding engineers.
Ms Curtis
5 stars
1 August
Boiler Install
The installation of our new boiler went very well and the installers, Karl an...
Alex Bruce
5 stars
1 August
Very good service
Very good service
Atique Rehman
5 stars
30 July
If you want the best
If you want the best, these are the best. Arrived 0930 to interface the new ...
Neil Thackrey
5 stars
30 July
Gastaps came to do a combi boiler…
Gastaps came to do a combi boiler change and also some radiators, I was very ...
Jonathan Roberts
5 stars
30 July
Deciding On A New Boiler
Boiler Guide provided us with 3 companies to help us in deciding on a new boi...
david
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