Learn How Viking Air Can Help Homeowners Get Up To $3,200 In Federal Energy Efficient Home Improvement Tax Credits Switching to an energy-efficient air conditioning system isn’t just good for your comfort and energy bills. With the Energy Efficient Home Improvement Credit from the federal government, homeowners can claim up to $3,200 in tax credits when they install qualifying HVAC equipment. However, time is running out. The deadline to claim the tax credit is December 31, ...