SPACE HEATING EQUIPMENT
HOT WATER BOILERS Requirements: • Boiler incentives are only available for equipment used in space heating applications. Boilers used for only domestic hot water heating and industrial or process heating are not eligible for this incentive but may qualify for a Domestic Hot Water (DHW) or custom incentive. • Space heating boilers also used for DHW may be eligible for indirect DHW incentives but are subject to requirements. • In plant systems, boilers are eligible for incentives for their primary use only. • A boiler replacing a space heating and indirect DHW system will use the capacity of the existing space heating and DHW systems to estimate the split of incentives. • Boilers that only serve DHW are not eligible for the space heating incentives. • Boiler efficiency will be verified using the AHRI database (see ahridirectory.org). If the boiler is not listed in the AHRI database, provide a boiler specification sheet with boiler input and output ratings and either AFUE or thermal efficiency as appropriate for boiler size. • If the heating system configuration is such that the boiler needs to operate at a high hot water temperature which prevents the flue gases from condensing, then the boiler is not eligible. • Hot Water Boilers <300 MBh: • Must be a sealed combustion unit and ≥90% AFUE. • Condensing boilers must modulate their firing rate and include outdoor-air reset control. • Hot Water Boilers ≥300 MBh:
• Boilers must be capable of capacity modulation. • Do not round AHRI capacity to a whole number. EQUIPMENT UPGRADES AND RETROFITS Measure Description
Code
Incentive
Unit
Hot Water Boilers <300 MBh input, ≥90% AFUE (Natural Gas or Propane)
H2218
$5
MBh
Hot Water Boilers ≥300 MBh input, ≥90% Thermal Efficiency (Natural Gas or Propane)
H3276
$5
MBh
NEW CONSTRUCTION AND MAJOR RENOVATIONS Measure Description
Code
Incentive
Unit
Hot Water Boilers <300 MBh input, ≥90% AFUE (Natural Gas or Propane)
N-H2218
$5
MBh
Hot Water Boilers ≥300 MBh input, ≥90% Thermal Efficiency (Natural Gas or Propane)
N-H3276
$5
MBh
INFRARED HEATERS Requirements: • Both low-intensity and high-intensity heaters are eligible. • Must have electronic ignition. • Must be vented per manufacturer’s requirements. • Low-intensity heaters must use outside non-conditioned combustion air. • Excludes outdoor patio heating applications. • Replacement of an existing infrared heater does not qualify. EQUIPMENT UPGRADES AND RETROFITS Measure Description
Code
Incentive
Unit
Infrared Heater (Natural Gas or Propane)
H2422
$4.50
MBh
NEW CONSTRUCTION AND MAJOR RENOVATIONS Measure Description
Code
Incentive
Unit
Infrared Heater (Natural Gas or Propane)
N-H2422
$3.00
MBh
34
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