Earn Solar Rebates and Incentives. Solar energy is environmentally friendly, free and nearly limitless. That’s why federal, local and state governments offer tax credits and solar rebates for families that install residential solar systems. The incentives can substantially decrease the cost of purchasing and installing a solar energy system in McHenry. For more details, read about the solar rebates and incentives below or call Jett's Heating & Air Inc. at 815-410-1128. Government Tax Credits Federal HVAC Credit (25C) – $300 tax credit is currently given on solar heat pumps or air conditioners, the key component of the SunSource® Home Energy System. Federal Solar Credit (25D) – covers 30% of the cost and installation, with no cost limit, of SunSource solar modules. Additionally, the credit will cover 9% of the total cost of solar-ready products. State and Local Incentives More incentives may be offered by McHenry’s local and state governments, as well as utility companies. Call us at 815-410-1128 to discover more. Find other incentives that you qualify for at dsireusa.org or www.energystar.gov. Get in touch with a tax professional in Northeast Illinois for additional details on all federal, state and local tax credits.