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Grandee - Boiler Efficiency Ratings

Boiler Efficiency Rating

You can check your boilers rating by selecting it's make and model below. Ratings are based on the SEDBUK Rating which is an indicator of its efficiency when used within an average domestic household, it's a great benchmark for comparing new boilers and also assessing whether your current boiler would be better off being replaced due to low efficiencies.

For new boiler installations call British Gas Boilers on 0800 327 7119 for a no-obligation quote, alternatively visit Boiler Guide to request quotes from independent local and regional heating engineers.

Grandee Boilers

ModelTypeFuelEfficiencyMore Info
Grandee GCCF 15/23 Condensing Oil 89.1% More Info
Grandee GCCF 23/30 Condensing Oil 88.6% More Info
Grandee GCCW 15/22 Condensing Oil 89.1% More Info
Grandee GCCW 15/22 Ext Condensing Oil 89.1% More Info
Grandee GCCW 23/28 Condensing Oil 88.6% More Info
Grandee GCCW 23/28 Ext Condensing Oil 88.6% More Info
Grandee GCF 10-15 Condensing Oil 90.8% More Info
Grandee GCF 15/23 Condensing Oil 91.9% More Info
Grandee GCF 23/30 Condensing Oil 91.4% More Info
Grandee GCW 10-15 Condensing Oil 90.8% More Info
Grandee GCW 10-15 Ext Condensing Oil 90.8% More Info
Grandee GCW 15/22 Condensing Oil 91.9% More Info
Grandee GCW 15/22 Ext Condensing Oil 91.9% More Info
Grandee GCW 23/28 Condensing Oil 91.4% More Info
Grandee GCW 23/28 Ext Condensing Oil 91.4% More Info
Grandee GSCF 10-15 Condensing Oil 90.8% More Info
Grandee GSCF 15/23 Condensing Oil 91.9% More Info
Grandee GSCF 23/30 Condensing Oil 91.4% More Info
Grandee GSCW 10-15 Condensing Oil 90.8% More Info
Grandee GSCW 10-15 Ext Condensing Oil 90.8% More Info
Grandee GSCW 15/22 Condensing Oil 91.9% More Info
Grandee GSCW 15/22 Ext Condensing Oil 91.9% More Info
Grandee GSCW 23/28 Condensing Oil 91.4% More Info
Grandee GSCW 23/28 Ext Condensing Oil 91.4% More Info