CondensingENERGY STAR
GB142-30
by Buderus · GB142 series
4.7(48)
Efficiency
95%
AFUE
Output
97k
BTU/hr
Turndown
4:1
modulation
Warranty
10
yr exchanger
The GB142-30 is a condensing boiler best suited for homeowners seeking premium german build. It delivers 95% AFUE efficiency with a 4:1 turndown ratio, backed by a 10 years heat-exchanger warranty.
Key features
- Aluminium-silicon exchanger
- Logamatic controls
- Quiet German engineering
Technical specifications
Boiler typeCondensing
FuelNatural Gas
AFUE efficiency95%
Heat input range21,000 – 102,000 BTU/hr
Heat output97,000 BTU/hr
Turndown ratio4:1
VentingDirect vent (PVC/CPVC)
Dimensions (H×W×D)28" H × 17" W × 12" D
Weight121 lbs
ENERGY STARCertified
Warranty coverage
Heat exchanger
10 years
Parts
5 years
Labour (via installer)
1 year
Installed price range
$5,800 – $7,400
Unit only: $3,800 – $4,600
≈ $115/mo · 60 mo @ 6.99% APR
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For the GB142-30