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Heating World Group Boilers Boiler Efficiency Rating, Repair & Service

Model Type Fuel Efficiency
Heating World Group Beta 15/17 WM Non-Condensing Oil 70.0%
Heating World Group Beta 15/19 Non-Condensing Oil 70.0%
Heating World Group Beta 42339 Non-Condensing Oil 70.0%
Heating World Group Flamevector SHFS 12/18 BF Non-Condensing Oil 85.6%
Heating World Group Flamevector SHFS 12/18 CF Non-Condensing Oil 85.6%
Heating World Group Flamevector SHFS 18/21 BF Non-Condensing Oil 82.5%
Heating World Group Flamevector SHFS 18/21 CF Non-Condensing Oil 82.5%
Heating World Group Flamevector SHI 12/18 BF Non-Condensing Oil 85.6%
Heating World Group Flamevector SHI 12/18 CF Non-Condensing Oil 85.6%
Heating World Group Flamevector SHI 18/21 BF Non-Condensing Oil 82.5%
Heating World Group Flamevector SHI 18/21 CF Non-Condensing Oil 82.5%
Heating World Group Grandee 1.40 Non-Condensing Oil 84.2%
Heating World Group Grandee 1.50 Non-Condensing Oil 82.5%
Heating World Group Grandee 1.60 Non-Condensing Oil 82.5%
Heating World Group Grandee 1S 12/18 BF Non-Condensing Oil 85.6%
Heating World Group Grandee 1S 12/18 BF EXT Non-Condensing Oil 85.6%
Heating World Group Grandee 1S 12/18 CF Non-Condensing Oil 85.6%
Heating World Group Grandee 2.70 Non-Condensing Oil 83.3%
Heating World Group Grandee 2.80 Non-Condensing Oil 83.3%
Heating World Group Grandee 2S 18/22 BF Non-Condensing Oil 85.6%
Heating World Group Grandee 2S 18/22 BF EXT Non-Condensing Oil 85.6%
Heating World Group Grandee 2S 18/22 CF Non-Condensing Oil 85.6%
Heating World Group Grandee 3.100 Non-Condensing Oil 83.3%
Heating World Group Grandee 3.90 Non-Condensing Oil 83.3%
Heating World Group Grandee 3S 22/27 BF Non-Condensing Oil 85.6%
Heating World Group Grandee 3S 22/27 BF EXT Non-Condensing Oil 85.6%
Heating World Group Grandee 3S 22/27 CF Non-Condensing Oil 85.6%
Heating World Group Grandee 4.40 Non-Condensing Oil 84.2%
Heating World Group Grandee 4.40 BF Non-Condensing Oil 84.2%
Heating World Group Grandee 4.50 Non-Condensing Oil 82.5%
Heating World Group Grandee 4.50 BF Non-Condensing Oil 82.5%
Heating World Group Grandee 4.60 Non-Condensing Oil 82.5%
Heating World Group Grandee 4.60 BF Non-Condensing Oil 82.5%
Heating World Group Grandee 5.40 Non-Condensing Oil 84.2%
Heating World Group Grandee 5.40 BF Non-Condensing Oil 84.2%
Heating World Group Grandee 5.50 Non-Condensing Oil 82.5%
Heating World Group Grandee 5.50 BF Non-Condensing Oil 82.5%
Heating World Group Grandee 5.60 Non-Condensing Oil 82.5%
Heating World Group Grandee 5.60 BF Non-Condensing Oil 82.5%
Heating World Group Grandee 5S 12/18 BF Non-Condensing Oil 85.6%
Heating World Group Grandee 5S 12/18 CF Non-Condensing Oil 85.6%
Heating World Group Grandee 6.60 Non-Condensing Oil 84.5%
Heating World Group Grandee 6.60 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 6.70 Non-Condensing Oil 84.5%
Heating World Group Grandee 6.70 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 6.80 Non-Condensing Oil 84.5%
Heating World Group Grandee 6.80 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 6S 15/23 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 6S 15/23 CF Non-Condensing Oil 84.5%
Heating World Group Grandee 7.100 Non-Condensing Oil 84.5%
Heating World Group Grandee 7.100 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 7.110 Non-Condensing Oil 84.5%
Heating World Group Grandee 7.110 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 7.90 Non-Condensing Oil 84.5%
Heating World Group Grandee 7.90 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 7S 26/32 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 7S 26/32 CF Non-Condensing Oil 84.5%
Heating World Group Grandee 8.120 Non-Condensing Oil 84.5%
Heating World Group Grandee 8.120 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 8.135 Non-Condensing Oil 84.5%
Heating World Group Grandee 8.135 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 8.150 Non-Condensing Oil 84.5%
Heating World Group Grandee 8.150 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 8S 35/40 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 8S 35/40 CF Non-Condensing Oil 84.5%
Heating World Group Grandee 9S 40/50 BF Non-Condensing Oil 84.5%
Heating World Group Grandee 9S 40/50 CF Non-Condensing Oil 84.5%
Heating World Group Grandee Combi Compact SFS 15-20 CF Non-Condensing Oil 82.6%
Heating World Group Grandee Combi Compact SFS 15/20 BF Non-Condensing Oil 82.6%
Heating World Group Grandee Combi Condensing External FS 15/23 Condensing Oil 88.5%
Heating World Group Grandee Combi Condensing External FS 23/30 Condensing Oil 88.1%
Heating World Group Grandee Combi Condensing External W 15/22 Condensing Oil 88.5%
Heating World Group Grandee Combi Condensing External W 23/28 Condensing Oil 88.1%
Heating World Group Grandee Combi Condensing FS 15/23 Condensing Oil 88.5%
Heating World Group Grandee Combi Condensing FS 23/30 Condensing Oil 88.1%
Heating World Group Grandee Combi Condensing W 15/22 Condensing Oil 88.5%
Heating World Group Grandee Combi Condensing W 23/28 Condensing Oil 88.1%
Heating World Group Grandee Combi Floor 15-20 Non-Condensing Oil 82.6%
Heating World Group Grandee Combi Floor 15-20 BF Non-Condensing Oil 82.6%
Heating World Group Grandee Combi SFS 15/20 BF Non-Condensing Oil 82.6%
Heating World Group Grandee Combi SFS 15/20 CF Non-Condensing Oil 82.6%
Heating World Group Grandee Combi SFS 20/25 BF Non-Condensing Oil 83.2%
Heating World Group Grandee Combi SFS 20/25 CF Non-Condensing Oil 83.2%
Heating World Group Grandee Combi SFS 25/29 BF Non-Condensing Oil 83.5%
Heating World Group Grandee Combi SFS 25/29 CF Non-Condensing Oil 83.5%
Heating World Group Grandee Combi SW 15/20 BF Non-Condensing Oil 82.8%
Heating World Group Grandee Combi SW 15/20 CF Non-Condensing Oil 82.8%
Heating World Group Grandee Combi SW 20/24 BF Non-Condensing Oil 83.4%
Heating World Group Grandee Combi SW 20/24 CF Non-Condensing Oil 83.4%
Heating World Group Grandee Combi SW 24/27 BF Non-Condensing Oil 83.9%
Heating World Group Grandee Combi SW 24/27 CF Non-Condensing Oil 83.9%
Heating World Group Grandee Standard Condensing External FS 15/23 Condensing Oil 90.2%
Heating World Group Grandee Standard Condensing External FS 23/30 Condensing Oil 89.8%
Heating World Group Grandee Standard Condensing External W 15/22 Condensing Oil 90.2%
Heating World Group Grandee Standard Condensing External W 23/28 Condensing Oil 89.8%
Heating World Group Grandee Standard Condensing FS 15/23 Condensing Oil 90.2%
Heating World Group Grandee Standard Condensing FS 23/30 Condensing Oil 89.8%
Heating World Group Grandee Standard Condensing W 15/22 Condensing Oil 90.2%
Heating World Group Grandee Standard Condensing W 23/28 Condensing Oil 89.8%
Heating World Group Grandee System Condensing External FS 15/23 Condensing Oil 90.2%
Heating World Group Grandee System Condensing External FS 23/30 Condensing Oil 89.8%
Heating World Group Grandee System Condensing External W 15/22 Condensing Oil 90.2%
Heating World Group Grandee System Condensing External W 23/28 Condensing Oil 89.8%
Heating World Group Grandee System Condensing FS 15/23 Condensing Oil 90.2%
Heating World Group Grandee System Condensing FS 23/30 Condensing Oil 89.8%
Heating World Group Grandee System Condensing W 15/22 Condensing Oil 90.2%
Heating World Group Grandee System Condensing W 23/28 Condensing Oil 89.8%
Heating World Group Sorrento 12/15 Non-Condensing Oil 84.2%
Heating World Group Sorrento 15/18 Non-Condensing Oil 82.5%
Heating World Group Sorrento 18/21 Non-Condensing Oil 82.5%
Heating World Group Sorrento SFS 12/18 BF Non-Condensing Oil 85.6%
Heating World Group Sorrento SFS 12/18 CF Non-Condensing Oil 85.6%
Heating World Group Sorrento SFS 18/21 BF Non-Condensing Oil 82.5%
Heating World Group Sorrento SFS 18/21 CF Non-Condensing Oil 82.5%
Heating World Group Sorrento SHI 12/18 BF Non-Condensing Oil 85.6%
Heating World Group Sorrento SHI 12/18 CF Non-Condensing Oil 85.6%
Heating World Group Sorrento SHI 18/21 BF Non-Condensing Oil 82.5%
Heating World Group Sorrento SHI 18/21 CF Non-Condensing Oil 82.5%

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