Onyx Air Systems

Oakley, CA

Heating and Cooling

Is this your business?


Air Conditioning Repair, Heating Repair, Furnace, Wall Heaters, Water Heaters, Maintenance & Tune-ups, Duct Repairs & Installation. HVAC Installations. Making systems energy efficient and restoring air quality is our priority! Established in 2011. OAS is dedicated to provide you with the best Heating & Air Conditioning solutions for your comfort and needs.

Services Offered

Heating and Cooling
  • Central A/C Install
  • Central A/C Repair
  • Central Humidifier Install
View all