Offset Your Costs with Solar Rebates and Incentives. Solar energy is eco-friendly, free and nearly inexhaustible. That’s why federal, local and state governments provide tax credits and solar rebates for people to purchase residential solar systems. The incentives can measurably decrease the cost of purchasing and installing a solar energy system in Manassas. For more details, read about the current solar rebates and incentives below or call Twin Air LLC at 703-666-8907. Government Tax Credits Federal HVAC Credit (25C) – $300 tax credit is currently given on solar heat pumps or air conditioners, the heart of the SunSource® Home Energy System. Federal Solar Credit (25D) – covers 30% of the cost and installation, with no maximum limit, of SunSource solar modules. Additionally, the credit will cover 9% of the total cost of solar-ready products. State and Local Incentives Other incentives might be offered by Manassas’s local and state governments, as well as utility companies. Call us at 703-666-8907 to discover more. Find other incentives that you qualify for at dsireusa.org or www.energystar.gov. Contact a tax professional in Manassas for full details on all federal, state and local tax credits.