Combi
Vitodens 100-W Combi 26
by Viessmann · Vitodens 100-W series
4.6(64)
Efficiency
94%
AFUE
Output
84k
BTU/hr
Turndown
5:1
modulation
Warranty
10
yr exchanger
The Vitodens 100-W Combi 26 is a combi boiler best suited for condos and townhomes needing space heating plus dhw. It delivers 94% AFUE efficiency with a 5:1 turndown ratio and 3.6 GPM of domestic hot water, backed by a 10 years heat-exchanger warranty.
Key features
- Combi heating + hot water
- Compact wall-hung
- Stainless heat exchanger
Technical specifications
Boiler typeCombi
FuelNatural Gas
AFUE efficiency94%
Heat input range21,000 – 90,000 BTU/hr
Heat output84,000 BTU/hr
Turndown ratio5:1
Domestic hot water3.6 GPM
VentingDirect vent (PVC/CPVC)
Dimensions (H×W×D)28" H × 17" W × 12" D
Weight88 lbs
ENERGY STARNot certified
Warranty coverage
Heat exchanger
10 years
Parts
5 years
Labour (via installer)
1 year
Installed price range
$5,400 – $7,000
Unit only: $3,400 – $4,200
≈ $107/mo · 60 mo @ 6.99% APR
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For the Vitodens 100-W Combi 26