Montana: Energy Conservation Installation Credit
Tax credits up to $1,000 for water heaters, lighting, furnaces, air conditioners, programmable thermostats, weatherstripping and insulation at 25% of the cost.
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Individual taxpayers may claim a credit against their tax liability for up to 25% of the costs of investment for energy conservation purposes in a building. The maximum credit is $500 per individual for investment in the physical attributes of a building or in a water, heating or cooling system. The $500 credit is available to each individual that can claim ownership of a building, so a married couple filing jointly can claim a tax credit of $1,000. The credit must be claimed in the year that the expenditure is made. For new construction, only the portion of the work that surpasses any applicable state or federal construction standards may be used.
Use Montana Department of Revenue Tax Form ENRG-C to take this credit.