About CALSTAR. Our core Values. Our Beliefs.
Heat & Cool
CALSTAR offers information on your options for home heating and cooling and water heating, as well as tips for using your systems efficiently and reducing your bills.
Weatherization
Home energy audits and weatherization efforts such as air sealing and insulation should be some of the first steps when improving the energy efficiency of your home.
Home Design
The home design or remodeling process is a great time to improve energy efficiency or consider adding a renewable energy system.