Maine Efficiency

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

Heat Pump Water Heaters: $1,050 Clothes Washer: $50

Geothermal Heat Pumps: One-third of the project cost, up to a $3,000 rebate Insulation: 80% of the project cost, up to an $8,000 rebate Residential Heat Pumps: Up to a lifetime limit of $9,000 in heat pump rebates per housing unit Biomass Boilers and Furnaces: One-third of the project cost, up to a $6,000 rebate

$200/kW that the system can reduce during summer peak demand hours