Condensing
Vitodens 100-W B1HE 35
by Viessmann · Vitodens 100-W series
4.7(86)
Efficiency
94%
AFUE
Output
117k
BTU/hr
Turndown
5:1
modulation
Warranty
10
yr exchanger
The Vitodens 100-W B1HE 35 is a condensing boiler best suited for mid-size homes wanting german quality on a budget. It delivers 94% AFUE efficiency with a 5:1 turndown ratio, backed by a 10 years heat-exchanger warranty.
Key features
- Inox-Radial stainless heat exchanger
- Built-in Wi-Fi ready
- Modulating circulator
- Quiet operation
Technical specifications
Boiler typeCondensing
FuelNatural Gas
AFUE efficiency94%
Heat input range19,000 – 125,000 BTU/hr
Heat output117,000 BTU/hr
Turndown ratio5:1
VentingDirect vent (PVC)
Dimensions (H×W×D)28" H × 17" W × 12" D
Weight90 lbs
ENERGY STARNot certified
Warranty coverage
Heat exchanger
10 years
Parts
5 years
Labour (via installer)
1 year
Installed price range
$5,200 – $6,800
Unit only: $3,200 – $3,800
≈ $103/mo · 60 mo @ 6.99% APR
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For the Vitodens 100-W B1HE 35