MaineRebate Program

Efficiency Maine Commercial and Industrial Prescriptive Program

You getCommercial Heating, Ventilation, and Air Conditioning (HVAC) Solutions: Single-Zone Heat Pump Mini-Splits (Air-to-Air; Retrofit): $1,000 Single-Zone Heat Pump Mini-Splits (Air-to-Air; Early Retirement): $700 Single-Zone Heat Pump Mini-Splits (Air-to-Air; New Construction): $500 Small Business Single-Zone Heat Pump Retrofit: $1,400 per single-zone unit Small Business Single-Zone Heat Pump Early Retirement: $900 per single-zone unit Multifamily Mini-Split Heat Pump (Retrofit): $1,200 - $1,400/unit., up to 3 units Multifamily Mini-Split Heat Pump (New Construction): $600 - $800/unit., up to 3 units Multifamily Mini-Split Heat Pump (Early Retirement): $850 - $1,050/unit, up to 3 units New Construction Multifamily Heat Pump (for qualifying affordable housing): 100% of project cost, up to $8,000/unit Heat Pump Rooftop Units (Retrofit): $10,080 - $56,250, based on per MBH rate Heat Pump Rooftop Units (New Construction): $2,220- $12,600, based on per MBH rate Heat Pump Rooftop Units (Early Retirement): $5,400 - $31,500, based on per MBH rate Packaged Terminal Heat Pumps (Retrofit): $430- $480/unit Packaged Terminal Heat Pumps (New Construction): $380/unit Packaged Terminal Heat Pumps (Early Retirement): $400/unit Single Packaged Heat Pumps Splitless (Retrofit): $3,500/unit Single Packaged Heat Pumps Splitless (New Construction): $2,200/unit Single Packaged Heat Pumps Splitless (Early Retirement): $2,700/unit Vertical Packaged Terminal Heat Pumps (Retrofit): $700 - $1,000/unit Vertical Packaged Terminal Heat Pumps (New Construction): $380 - $800/unit Vertical Packaged Terminal Heat Pumps (Early Retirement): $520 - 900/unit Variable Refrigerant Flow (VRF) Systems (Retrofit): $8.00/sq.ft. - $12.00/sq.ft. Variable Refrigerant Flow (VRF) Systems (New Construction): $3.00/sq.ft. - $6.00/sq.ft. Variable Refrigerant Flow (VRF) Systems (Early Retirement): $4.50/sq.ft. - $8.50/sq.ft. Small Business Variable Refrigerant Flow (VRF) Systems (Retrofit): $9.50/sq.ft. - $13.50/sq.ft. Small Business Variable Refrigerant Flow (VRF) Systems (Early Retirement): $6.00/sq.ft. - $10.00/sq.ft. Dedicated Outdoor Air Systems (DOAS; Retrofit): $19.50/Cubic Feet per Minute (CFM) Dedicated Outdoor Air Systems (DOAS; New Construction): $15/Cubic Feet per Minute (CFM) ECM Circulator Pumps: $75 Energy Recovery Ventilator (ERV) Systems: $1.50/CFM - $2.25/CFM Variable-Frequency Drive (VFD) Systems: $400 - $2,300 Biomass Boilers and Furnaces: Varies Refigeration Equipment: Varies Lighting: Varies Compressed Air Equipment: Varies Agricultural Equipment: Varies Water Heaters: Varies Multifamily Weatherization: 50% of project cost, up to $5,000

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Quick facts

Incentive type: Rebate Program
Amount: Commercial Heating, Ventilation, and Air Conditioning (HVAC) Solutions: Single-Zone Heat Pump Mini-Splits (Air-to-Air; Retrofit): $1,000 Single-Zone Heat Pump Mini-Splits (Air-to-Air; Early Retirement): $700 Single-Zone Heat Pump Mini-Splits (Air-to-Air; New Construction): $500 Small Business Single-Zone Heat Pump Retrofit: $1,400 per single-zone unit Small Business Single-Zone Heat Pump Early Retirement: $900 per single-zone unit Multifamily Mini-Split Heat Pump (Retrofit): $1,200 - $1,400/unit., up to 3 units Multifamily Mini-Split Heat Pump (New Construction): $600 - $800/unit., up to 3 units Multifamily Mini-Split Heat Pump (Early Retirement): $850 - $1,050/unit, up to 3 units New Construction Multifamily Heat Pump (for qualifying affordable housing): 100% of project cost, up to $8,000/unit Heat Pump Rooftop Units (Retrofit): $10,080 - $56,250, based on per MBH rate Heat Pump Rooftop Units (New Construction): $2,220- $12,600, based on per MBH rate Heat Pump Rooftop Units (Early Retirement): $5,400 - $31,500, based on per MBH rate Packaged Terminal Heat Pumps (Retrofit): $430- $480/unit Packaged Terminal Heat Pumps (New Construction): $380/unit Packaged Terminal Heat Pumps (Early Retirement): $400/unit Single Packaged Heat Pumps Splitless (Retrofit): $3,500/unit Single Packaged Heat Pumps Splitless (New Construction): $2,200/unit Single Packaged Heat Pumps Splitless (Early Retirement): $2,700/unit Vertical Packaged Terminal Heat Pumps (Retrofit): $700 - $1,000/unit Vertical Packaged Terminal Heat Pumps (New Construction): $380 - $800/unit Vertical Packaged Terminal Heat Pumps (Early Retirement): $520 - 900/unit Variable Refrigerant Flow (VRF) Systems (Retrofit): $8.00/sq.ft. - $12.00/sq.ft. Variable Refrigerant Flow (VRF) Systems (New Construction): $3.00/sq.ft. - $6.00/sq.ft. Variable Refrigerant Flow (VRF) Systems (Early Retirement): $4.50/sq.ft. - $8.50/sq.ft. Small Business Variable Refrigerant Flow (VRF) Systems (Retrofit): $9.50/sq.ft. - $13.50/sq.ft. Small Business Variable Refrigerant Flow (VRF) Systems (Early Retirement): $6.00/sq.ft. - $10.00/sq.ft. Dedicated Outdoor Air Systems (DOAS; Retrofit): $19.50/Cubic Feet per Minute (CFM) Dedicated Outdoor Air Systems (DOAS; New Construction): $15/Cubic Feet per Minute (CFM) ECM Circulator Pumps: $75 Energy Recovery Ventilator (ERV) Systems: $1.50/CFM - $2.25/CFM Variable-Frequency Drive (VFD) Systems: $400 - $2,300 Biomass Boilers and Furnaces: Varies Refigeration Equipment: Varies Lighting: Varies Compressed Air Equipment: Varies Agricultural Equipment: Varies Water Heaters: Varies Multifamily Weatherization: 50% of project cost, up to $5,000
Administrator: Efficiency Maine Trust
Applies to: State

Dates

Source last updated: January 4, 2026

About this incentive

Efficiency Maine's Commercial and Industrial Prescriptive Program offers prescriptive incentives for a variety of equipment types as well as custom incentives for new construction and retrofits. Examples of eligible organizations include: Businesses, for-profit or nonprofit; Municipalities; Schools and higher education facilities; Manufacturing and other industrial facilities; Mixed-use buildings (commercial/residential buildings with at least one commercial meter); and Multifamily buildings with three or more units. Incentives cover the following technologies/upgrades: Commercial Heating, Ventilation, and Air Conditioning (HVAC) Solutions Multifamily Weatherization Solutions Refrigeration Solutions Lighting Compressed Air Agriculture Water Heating Solutions

Data updated January 4, 2026. Always confirm details on the official program website before applying. Programs change frequently.