CombiENERGY STAR
Greenstar 100 Combi
by Bosch · Greenstar series
4.5(96)
Efficiency
95%
AFUE
Output
114k
BTU/hr
Turndown
7:1
modulation
Warranty
10
yr exchanger
The Greenstar 100 Combi is a combi boiler best suited for condos and townhomes wanting trusted reliability. It delivers 95% AFUE efficiency with a 7:1 turndown ratio and 4.3 GPM of domestic hot water, backed by a 10 years heat-exchanger warranty.
Key features
- Compact combi
- Reliable Bosch build
- Easy service access
Technical specifications
Boiler typeCombi
FuelNatural Gas
AFUE efficiency95%
Heat input range18,000 – 120,000 BTU/hr
Heat output114,000 BTU/hr
Turndown ratio7:1
Domestic hot water4.3 GPM
VentingDirect vent (PVC/CPVC)
Dimensions (H×W×D)28" H × 17" W × 12" D
Weight84 lbs
ENERGY STARCertified
Warranty coverage
Heat exchanger
10 years
Parts
5 years
Labour (via installer)
1 year
Installed price range
$4,800 – $6,200
Unit only: $2,800 – $3,600
≈ $95/mo · 60 mo @ 6.99% APR
Request a quote
For the Greenstar 100 Combi