Idaho Efficiency
1414 verified programs, updated 2026-08-08. 3 incentive types.
Income Tax Deduction for Energy Efficiency Upgrades
Personal Tax DeductionMarch 27, 2026
100% of cost
Intermountain Gas Company (IGC) - Energy Efficiency Rebate Program
Rebate ProgramUtility, ResidentialOctober 23, 2025
Combination Boiler for Space and Water Heat: $800 Furnace: $350 Boiler: $800 Storage Water Heater: $115 Tankless Water Heater Tier I: $325 Tankless Water Heater Tier II: $300 Smart Thermostat: $100 Whole Home Tier I: $900 Whole Home Tier II: $700
Idaho Falls Power - Commercial Energy Conservation Loan Program
Loan ProgramUtility, Commercial, Federal GovernmentFebruary 12, 2025
Up to $50000
Idaho Falls Power - Residential Energy Efficiency Loan Program
Loan ProgramUtilityFebruary 12, 2025
Rocky Mountain Power - wattsmart Residential Efficiency Program
Rebate ProgramUtility, ResidentialMarch 24, 2025
Heating and Cooling Dual Fuel Heat Pumps: up to $1450 Ductless Heat Pumps: up to $1700 Air Source Heat Pumps: up to $1600 Ground Source Heat Pumps: up to $2000 Smart Thermostats: up to $75 Electronically commutated Motors: up to $100 Duct Sealing and Insulation: up to $400 Evaporative Coolers: up to $125 Rooftop Heat Tape Timer: up to $100 Room Air Conditioners: $20 Whole House Ventilation Fans: $75 Bathroom Exhaust Fans: $10 Accessories Engine Block Heater Controls: $125 Lighting Occupancy Sensors: $10 Smart Plugs: $5 Smart Switches: $10 Appliances Clothes Washers: up to $25 Dishwashers: $20 Refrigerators: up to $25 Freezers: up to $25 Heat Pump Clothes Dryers: $150 Heat Pump Water Heater: $350 Room Air Cleaners: $25 Weatherization Air Sealing: up to $0.10/sq. ft. Insulation: up to $0.65/sq. ft. Windows: up to $3.00/sq. ft. Multifamily Rebates Market Rate Rebate per kWh saved New Construction: $0.23/kWh saved HVAC: $0.39/kWh saved Lighting: $0.11/kWh saved Appliances: $0.20/kWh saved Building Shell: $0.23/kWh saved Windows: $0.39/kWh saved Domestic Hot Water: $0.20/kWh saved HP Water Heater: $0.39/kWh saved Low Income Rebate per kWh saved New Construction: $0.28/kWh saved HVAC: $0.47/kWh saved Lighting: $0.13/kWh saved Appliances: $0.23/kWh saved Building Shell: $0.27/kWh saved Windows: $0.47/kWh saved Domestic Hot Water: $0.23/kWh saved HP Water Heater: $0.47/kWh saved
Kootenai Electric Cooperative - Residential Efficiency Rebate Program
Rebate ProgramUtility, ResidentialOctober 14, 2025
Windows: $5 per sq. ft. Patio Doors: $5 per sq. ft. Exterior Door: $32 Attic Insulation: $0.75 per sq. ft. Floor Insulation: $0.75 per sq. ft. Wall Insulation: $0.75 per sq. ft. Clothes Washer: $25 per unit Electric Clothes Dryer: $25 per unit Level 2 Electric Vehicle Chargers: $350 Heat Pump Water Heater: $500 New Manufactured Home: $1,150 Air Source Heat Pump Furnace: $1,000 - $1,200 Air Source Heat Pump: $300 Ground Source Heat Pump: $3,000 Ductless Heat Pump: $900 Programmable Thermostat: $100
Idaho Power - Residential Energy Efficiency Rebate Programs
Rebate ProgramUtility, Construction, ResidentialMay 23, 2024
Heating and Cooling Efficiency Program Existing Homes Central A/C: $50 - $150 Ground Source Heat Pump: $1,000 - $3,000 Ductless Heat Pump: $500 Water-Source Heat Pump: up to $1,000 Air-Source Heat Pump: $800 Duct Sealing: $200 Electronically Commutated Motor: $50 Evaporative Cooler: $150 Heat Pump Water Heater: $300 Smart Thermostat: $50 Whole-House Fan: $200 New Construction Central A/C: $50 - $150 Ground Source Heat Pump: $3,000 Air-Source Heat Pump: $800 Open-Loop, Water-Source Heat Pump: $1,000 Heat Pump Water Heater: $300
Idaho Falls Power - Residential Energy Efficiency Rebate Program
Rebate ProgramUtility, ResidentialFebruary 12, 2025
Heating & AC Air Source Heat Pump: $200 - $2,400 Ground Source Heat Pump: $450 - $3,150 Ductless Heat Pump: $1,600 Thermostat : $31.50 - $126 Water Heating : $990 - $1,300 Insulation & Windows Insulation: Contact IFP Windows: $12 - $16/sq ft Appliances : Contact IFP
Northern Lights Inc. - Energy Conservation Rebate Program
Rebate ProgramUtility, ResidentialOctober 23, 2025
Clothes Washer: $30 Clothes Dryer: $60 NEEM Manufactured Home (electric heat): $1,000 Ductless Heat Pumps: $920 Air Source/Geothermal Heat Pumps: Contact Northern Lights Smart Thermostat: $140
Avista Utilities (Electric) - Commercial Energy Efficiency Incentives Program
Rebate ProgramUtility, Commercial, IndustrialJuly 1, 2024
Foodservice Equipment Demand Controlled Ventilation (DCV): $600/HP Deep Vat Fryer: $850 - $1,000/unit Steam Cooker: $2,300 - $2,500/unit Cooktop & Range: $100 - $250/unit Griddle: $600/foot Conveyor Toaster: $200 - $400 Steam Table: $200/unit Induction Soup Well: $150/unit Holding Cabinet: $200 - $500 Holding Bin: $30/bin Hand Wrap Machine: $125 Dishwasher: Up to $5,850 Ovens: $800 - $7,000 Ice Machines: $150 - $450 Ultra Low Temp Freezer: $1,200 Lighting Replacement Lamps: $3 - $35 Replacement Fixtures: $20 - $600 Controls: $17 - $150 New Construction Lighting (MH, HPS, MV): $170 - $250 HVAC and Water Heating Air Source Heat Pump: $300 - $500 Mini-/Multi-Split Heat Pump: $180 - $600 Air Source Heat Pump: $300 -$600 Furnaces: $400 - $650 Heat Pump Water Heaters: $100 - $600 Gas Water Heaters: $100 - $475 HVAC variable frequency drive retrofit : $200/unit Insulation :$1.00 - $1.25/SQft Grocer Program : See form for details Multifamily Development : Up to $3,000 Green Motors Initiative : $1 per horsepower Commercial Compressed Air Program : See website for details Pay for Performance Program : $0.08 per kWh and $1.25 per therm Site-specific incentives : Up to $0.23 per kWh saved or up to $3.50 per therm saved
Avista Utilities (Electric) - Residential Energy Efficiency Rebate Programs
Rebate ProgramUtility, Residential, Multifamily ResidentialMay 10, 2024
Rebates Electric to Natural Gas Furnace: up to $2,100 Energy Star Certified Smart Thermostat: $150 Insulation: up to $0.75 per sp. ft. Windows: $90 - $225/unit Sliding Glass Doors: $240 - $600/unit Energy Star Certified or R-5 Insulated Exterior Door: $100 Energy Star Certified Appliance Rebates Front Load Washer: $50 Dryer: $50 Refrigerator/Freezer: $100 Freezer: $50 Energy Star Certified Manufactured Homes Avista Electric and Gas Customers: $1,000 Avista Electric or Gas Customers: $600 HVAC and Water Heating Program See incentive details here
Dominion Energy - ThermWise Residential Energy Efficiency Rebate Programs
Rebate ProgramUtilityMay 22, 2024
Water and Heating Full equipment details and prices can be found here . Smart Thermostat: $50 - $75 Smart Water Heater Controller: $50 Storage Water Heater: $100 Tankless Water Heater: $300 Condensing Storage Water Heater: $350 Hybrid Water Heater: $350 Solar Assisted Water Heating: $750 Solar Assisted Water Heating (pool): $750 Combined Space and Water Heater: $750 Energy Recovery Ventilation: $150 - $300 Dual-Fuel Heating System: $200 - $1,200 Boiler: $400 - $600 Furnace: $300 - $350 Boiler Reset Control: $100 Direct-Vent Gas Fireplace: $200 Weatherization Full equipment details and prices can be found here . Windows: $2.50 per sq. ft. Wall Insulation: $0.30 per sq. ft. Floor Insulation: $0.20 per sq. ft. Attic Insulation: $0.07 - $0.25 per sq. ft. Duct Sealing and Insulation (Single Family): $100 plus $5.25 per linear foot (Maximum: $450) Duct Sealing and Insulation (Multifamily): $100 plus $5.25 per linear foot (Maximum: $250) Air Sealing (Single Family): $200 per job plus $0.12 sq. ft. of conditioned floor (Maximum: $850) Exterior Insulation: $0.40/sq.ft. (Single Family - Maximum: $800 per residence) (Multi-Family - Maximum: $400 per residence)
Dominion Energy - ThermWise Commercial Energy Efficiency Rebate Program
Rebate ProgramUtilityMay 22, 2024
Food Service Equipment: Varies by type, see program brochure for more details. Applicances Clothes Washer: $75 Dryer: $75 Dryer Moisture Sensor: $25 Heating and Water Natural Gas Boiler (hot water): $2.00 - $3.50/kBtu/Hr Input Natural Gas Boiler (steam): $2.00/kBtu/Hr Input Boiler O2 Trim Controls: $0.20/kBtu/Hr input Boiler Linkagless Controls: $0.50/kBtu/Hr input Natural Gas Furnace: $300 - $350 Dual-Fuel Heating System: Up to $1,200 Variable Refrigerant Flow: $150/ton Condensing Indirect Fired Rooftop Unit: $5.00/ kBtu/Hr Input Gas Unit Heater: $1.25 - $6/kBtu/Hr Input Gas Infrared Heating System: $5/kBtu/Hr Input Modulating Gas Infrared Heating System: $2.00 - $7.50/kBtu/Hr Input Smart Thermostat: Up to $100 Pipe Insulation: $1.50 - $4/sq. ft. Boiler Outside Air Reset Control: $250 Gas Boiler Tune-up: Up to $300/unit Gas Storage Water Heater: $200 or $2.00 per kBtu/Hr Input Tankless Gas Water Heater: $2 - $3/kBtu/Hr Input Direct Contact Gas Water Heater: $1.10/kBtu /Hr Input Condensing Gas Storage Water Heater: $350 Hybrid Gas Storage Water Heater: $350 Combined Space/Water Heat: $450 Solar Assisted Water Heater: $750 Fired Heaters: $6.00 per kBtu/Hr input Energy Recovery Ventilator: $100/million cubic ft. of air per week Demand Control Ventilation: $400 or $0.05 per AHU/RTU/MAU>br> Advanced Rooftop Controls: $500 - $800 Green Certified New Building: $0.05/per sq. ft ($15,000 limit) High-Performance New Construction: $5.00/modeled dekatherm saved Weatherization Roof Insulation: $0.08/sq. ft. Wall Insulation: $0.12/sq.ft. For a comprehensive and full list of covered products, refer to the program brochure .
Kootenai Electric Cooperative - Commercial Energy Efficiency Rebate Program
Rebate ProgramUtility, CommercialOctober 28, 2025
Lighting: Varies, Rebate will not exceed 70% of installed cost Air Source Heat Pump Retrofit: $1,000/ton Air Source Heat Pump Upgrade: $150/ton Ductless Heat Pump Retrofit: $1,000/ton Ductless Heat Pump Upgrade: $300/ton Advanced Rooftop Unit Control: up to $200/ton Packaged Terminal Heat Pump: $150/unit (retrofit), $50/unit (new) Custom Incentives: $0.25/kWh-$0.35/kWh