Air Conditioning

• Air Conditioning Installation/Replacement
  Welcome to Los Angeles’ premier AC installation and HVAC installation provider for local homeowners! At Sinclair Air Systems we value honesty and integrity. As a trusted air conditioning contractor and air conditioner contractor, we specialize in central air conditioning systems tailored to the sunny Southern California climate.
• Air Conditioning Service/Repair
  Welcome to Sinclair Air, your commercial AC repair specialist. We recognize the vital role that a smoothly operating air conditioning system has in your business, and we’re here to provide reliable and professional services to keep both you and your clients comfortable.
• Mini Split Installation/Replacement
  Welcome to Sinclair Air Systems, your trusted source for ductless mini split installation in Covina and throughout Los Angeles County. We’re here to bring the latest in air conditioning technology to your home. Say goodbye to large condensers and hello to innovative, space-saving, and energy-efficient AC mini splits.

Heating

• Heat Pump Installation/Replacement
• Furnace Installation/Replacement
  Discover expert tips for furnace installation and maintenance in Los Angeles. Learn about sustainable HVAC practices, energy-efficient systems, and the latest in heating technology. Stay warm and eco-friendly with our guide to modern, ductless heating solutions.
• Furnace Service/Repair
  With the arrival of cooler temperatures, it’s essential to consider the heating system in your residence. Did you know that a well-maintained furnace can save you hundreds of dollars a year? The last thing you want is to be left in the cold when your furnace breaks down in the middle of winter. That’s why it’s important to schedule regular furnace service to ensure your home stays warm and cozy all season long.
• Geothermal Systems

Ducts

• Duct Cleaning
  Not ALL HVAC service companies offer the same services. Some may specialize in certain types of furnaces or offer additional services such as air duct cleaning. Make sure to inquire about the services offered to ensure they can meet your specific needs.
• Duct Work
  Our solutions include all essential components such as the condenser, evaporator, air handler, and ductwork, offering you...