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Energy Efficiency
How to Improve Heating and Cooling Efficiency at Home

Learn how to improve your home’s heating and cooling efficiency with practical energy-saving upgrades. From duct sealing and attic insulation to HVAC maintenance, smart thermostats, and energy-efficient systems, discover which improvements can help California homeowners lower energy costs and improve year-round comfort, and how qualifying households may access upgrades at little or no cost through available energy-efficiency programs.

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