Learn about solar

Heat pumps cost less than traditional HVAC systems and are more efficient. Learn about heat pump installation costs and savings.

Discover how these U.S. presidents helped to shape our nation’s environmental future through policies and green initiatives.

A complete timeline of the changes and extensions to the home solar tax credit.

Cold weather is not a reason not to buy an EV. Learn more about owning and charging your EV in the winter.

If you want to reduce your carbon footprint and save money without sacrificing your home’s aesthetics, solar shingles might be right for you.

Guide to the new PG&E solar energy plan that covers net billing, solar energy costs and savings, and steps to go solar.

Step-by-step instructions for using IRS Form 5695 to claim the 30% federal solar tax credit on your 2024 tax forms in 2025.

How does the most advanced solar home of 1977 compare to today's?