Main Office (562)941-2233 / Service (562)944-0226


Key Air has the reliability, the experience and the commitment to get your job done right, on time and budget.  In addition to being a design/build mechanical contracting firm, Key Air can also offer your company several added services.

Our wide range of project experience includes highrise buildings, tenant development, hospitals, medical office buildings, data centers, pharmaceutical laboratories, telecommunications, regional shopping malls, and retail projects.

Our reputation is built on high-quality service, proven reliability, experience, and the ability to:
Deliver projects on time
Meet client's budgets
Save costs through innovative approaches from initial design through project delivery
Be proactive in anticipating client's needs

Our services include:
HVAC Contractor
Commercial HVAC Service & Maintenances
Engineering Consultant
Construction Management
Peer Review Consultant

With fairness and integrity, we dedicate our expertise and proven on-time performance to being the best mechanical contractor for our clients, vendors, and co-workers.