COMBINATION BOILER Common Area Requirements: • Only natural gas equipment is eligible for incentives. Boilers fueled by electric, propane, or oil are NOT eligible for incentives. • Must handle both the space heating and domestic hot water heating needs for a multifamily building. • Must be a central plant type arrangement that serves multiple dwelling units in the multifamily building. • Boiler efficiency must be 95%+ thermal efficiency. Boiler must be ≥ 300 MBh. • Provide number of apartment/condo units served by the combination boiler on the Incentive Application per the example below. • Redundant or backup boilers do not qualify. • Equipment eligibility is verified through AHRI Directory of Certified Product Performance ( ahridirectory.org ), ENERGY STAR pre-qualified list (energystar.gov) and other reliable sources. • Condensing boilers (≥ 90% thermal efficiency) will provide maximum efficiency only if the return water temperature is cool enough to condense flue gases. If the heating system configuration cannot provide necessary operating conditions to the boiler, the boiler is not eligible for H5234.
COMMON AREA EQUIPMENT UPGRADES AND RETROFITS Measure Description
Code
Incentive
Unit
95%+ AFUE or TE Combination Boiler, Multifamily
H5234
$4.50
MBh
EXAMPLE Common Area Combination Boiler
Manufacturer Name
Incentive Code
Model
Unit Measure
# of Units (A)
Incentive Per Unit (B) Total Incentive (A x B)
H5234
XYZ Boilers
CB350
MBH
350
$4.50
$1,575
REMINDER Planning a new construction building or renovation project? Visit focusonenergy.com/business/whole-building for more information on incentives for these buildings.
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