Oil-fired boilers and systems

Our Greenstar oil-fired condensing boilers run at 90% efficiency or over and have been designed to blend in with other domestic appliances.

The oil-fired condensing boilers are listed below. If you’d like to know more about which boiler would suit your requirements please use our Find a Boiler search.

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Combi

What is a
Combi boiler?

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Product	Features
Greenstar Heatslave 12/18	90.2% A
Greenstar Heatslave 18/25	90.6% A
Greenstar Heatslave 25/32	90.3% A
Greenstar Heatslave External 12/18	90.2% A
Greenstar Heatslave External 18/25	90.1% A
Greenstar Heatslave External 25/32	90.3% A

Regular

What is a
Regular boiler?

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Product	Features
Greenstar Camray 12/18	93.1% A
Greenstar Camray 18/25	93.2% A
Greenstar Camray 25/32	94.2% A
Greenstar Camray Utility 12/18	93.1% A
Greenstar Camray Utility 18/25	93.2% A
Greenstar Camray Utility 25/32	94.2% A
Greenstar Danesmoor WM 12/18	92.6% A
Greenstar Danesmoor WM 18/25	92.8% A
Greenstar Camray External 12/18	93.1% A
Greenstar Camray External 18/25	93.2% A
Greenstar Camray External 25/32	94.2% A
Greenstar Utility 18/25	92.86% A
Greenstar Utility 32/50	93.0% A
Greenstar Utility 50/70	92.5% A
Greenstar Danesmoor 18/25	92.86% A

System

What is a
System boiler?

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Product	Features
Greenstar Camray System 12/18	93.1% A
Greenstar Camray System 18/25	93.2% A
Greenstar Camray System 25/32	94.2% A
Greenstar Camray Utility System 12/18	93.1% A
Greenstar Camray Utility System 18/25	93.2% A
Greenstar Camray Utility System 25/32	94.2% A

Products

Oil-fired boilers and systems

Combi

What is aCombi boiler?

Regular

What is aRegular boiler?

System

What is aSystem boiler?

What is a
Combi boiler?

What is a
Regular boiler?

What is a
System boiler?