Oil boilers

All our Greenstar oil boilers are condensing boilers and run at 90% efficiency or over.

Combi oil boilers provide heating and hot water directly from the boiler. Regular and system oil boilers heat your central heating system and produce hot water for your cylinder.

Use our Find a Boiler search to find the right oil boiler for you.

Find an oil boiler

• Efficiency rating
• EST registered
• Solar compatible

Combi oil boilers

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

System oil boilers

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

Regular oil boilers

Product	Features
Greenstar Camray 25/32	94.2% A
Greenstar Camray 18/25	93.2% A
Greenstar Camray 12/18	93.1% A
Greenstar Camray Utility 25/32	94.2% A
Greenstar Camray Utility 18/25	93.2% A
Greenstar Camray Utility 12/18	93.1% A
Greenstar Danesmoor WM 18/25	92.8% A
Greenstar Danesmoor WM 12/18	92.6% A
Greenstar Camray External 25/32	94.2% A
Greenstar Camray External 18/25	93.2% A
Greenstar Camray External 12/18	93.1% A
Greenstar Utility 50/70	92.5% A
Greenstar Utility 32/50	93% A

View literature for discontinued oil-fired boilers