CombiCondensingHigh-EfficiencyResidential
Bosch Greenstar
Compact, reliable wall-hung condensing boilers available in combi and heat-only models.
94–96% AFUE$2,800 – $6,000 installed3 models
Greenstar models
CombiENERGY STAR
Greenstar 100 Combi
AFUE
95%
Output
114k BTU
Turndown
7:1
Warranty
10 years
Installed from
$4,800
CombiENERGY STAR
Greenstar 151 Combi
AFUE
95%
Output
143k BTU
Turndown
7:1
Warranty
10 years
Installed from
$5,200
CondensingENERGY STAR
Greenstar 131 Heat-Only
AFUE
95%
Output
124k BTU
Turndown
7:1
Warranty
10 years
Installed from
$5,000
Other Bosch series
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