Greenleaf Heating & Cooling Blog

Homeowner adjusting a thermostat to lower winter energy bills for heating in Southern California.
By Cam La January 23, 2026
Want lower winter energy bills? Heating your home doesn’t have to be expensive. Use these simple tips and schedule HVAC maintenance with GreenLeaf Heating & Cooling today.
Cozy living room with yellow wall and Christmas Tree representing holiday HVAC maintenance needs.
By Cam La December 29, 2025
Hosting this season? Holiday HVAC maintenance in Whittier helps keep your heating efficient, improve air quality, and avoid breakdowns.
GreenLeaf technician replacing a dirty furnace filter in a Whittier California home during winter.
By Cam La November 25, 2025
Clogged filters raise allergens and strain your furnace. Learn why filter replacement in Whittier CA keeps your home warm and your system running safely.
Technician performing fall furnace tune-up while homeowner checks smart thermostat in Whittier, CA.
By Cam La October 28, 2025
Save energy this fall: schedule a tune-up, change filters monthly, upgrade to a smart thermostat, and seal/insulate ducts to keep heat in and bills down in Whittier.
Greenleaf technician doing a fall tune-up on an outdoor condenser at a Whittier, California home.
By Cam La September 30, 2025
As summer winds down, change your HVAC filter, clear debris around the outdoor unit, test the thermostat, and book a fall tune-up. Schedule your HVAC filter change in Whittier, CA.
AC unit covered with leaves at a residents home in Whittier, CA.
By Cam La August 18, 2025
Keep your AC running strong with late-summer maintenance tips for Whittier homeowners. Learn how to clean, inspect, and prepare your system for next season.
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