California Comfort Starts Here.

Trusted Heating and Air Conditioning
Residential - Multifamily - Commercial - Public Works

Your Family’s Comfort Is Our Priority

When your heating or air conditioning isn’t working, you need a company you can trust. From your first call to the final walkthrough, Sergio Air provides friendly service, honest advice, and expert workmanship every step of the way

The Sergio Air Difference

Family-Focused Service
Honest, Transparent Pricing
Fast Response Times
30+ Years of Proven California Experience
Repairs • Maintenance • New Systems
Energy-Efficient Solutions
Fully Licensed & Insured
Serving Southern & Northern California

Get A Free Estimate

WHO WE ARE

Experience You Can Count On. Service You Can Trust.

At Sergio Air, we believe every customer deserves honest recommendations, quality workmanship, and dependable service.

Whether you’re replacing the HVAC system in your home, upgrading an apartment community, modernizing a commercial building, or managing a public works project, Sergio Air delivers dependable, energy-efficient solutions throughout California.

We proudly serve homeowners, builders, developers, restoration companies, insurance organizations, property managers, commercial businesses, and public agencies throughout California.

Learn More

Explore Our Services.

Get A Free Estimate

Residential HVAC

Complete HVAC replacement, AC installation, furnace replacement, ductwork, mini splits, indoor air quality, smart thermostats, and maintenance.

Commercial HVAC

Rooftop units, package units, split systems, tenant improvements, retrofits, commissioning, and emergency repairs.

Multifamily HVAC

Apartment unit replacements, occupied-unit installations, portfolio upgrades, capital improvements, and affordable housing projects.

Heat Pumps & Electrification

Energy-efficient heat pump systems, variable speed equipment, decarbonization, rebate assistance, and electrification projects.

Disaster Recovery

Fire, smoke, and water damage HVAC replacement with support for restoration contractors and insurance-related reconstruction.

Public Works

School districts, municipal buildings, affordable housing, DIR registered projects, certified payroll, prevailing wage, and HVAC modernization.

WHY CHOOSE SERGIO AIR

More Than An HVAC Contractor. A Trusted Construction Partner.

Choosing the right contractor means selecting a company that understands more than heating and air conditioning.

It means partnering with professionals who understand permitting, inspections, scheduling, labor compliance, safety requirements, energy efficiency, and long-term project success.

Why Customers Choose Sergio Air

30+ Years of California Field Expertise
Exceptional Customer Service
Residential & Commercial HVAC Specialists
Multifamily & Public Works Experience
Heat Pump & Electrification Experts
DIR Registered & Prevailing Wage Capable
Quality Craftsmanship
Honest Communication
Family-Owned Values

Our Process.

Get A Free Estimate

1



Consultation

We listen to your goals and evaluate your existing system.

2



Site Visit

Our experienced team performs a thorough project assessment.

3



Proposal

You’ll receive a detailed scope of work with transparent pricing.

4



Installation

Professional installation performed by experienced technicians.

5



Inspection & Commissioning

Every system is tested, inspected, and optimized for performance.

6



Ongoing Support

Maintenance, repairs, 1-year labor warranty, and long-term service contracts.

SERVICE AREA

Proudly Serving California.

Sergio Air provides heating, air conditioning, heat pump, home improvement, commercial HVAC, multifamily, disaster recovery, and public works services across key Southern California counties.