Trusted Since 2006 · We answer to families, not investors.

Comfort
Built on
American
Values

Allegiance 76 Heating and Air Conditioning LLC delivers world-class heating, cooling, and air quality solutions with the integrity and craftsmanship this country was built on. Residential, commercial, industrial — we do it all.

Get Free Quote ›Our Services
20+
Years in Service
5-Star
Rated Company
100%
Client Satisfaction
24/7 Emergency Service
Day or night, our certified technicians are on call to restore your comfort fast.
Licensed & Insured
Fully licensed, bonded, and insured in California. Your protection is our promise.
Industry-Leading Warranty Coverage
10-yr manufacturer warranty, 2-yr labor warranty, plus 2 years of the Patriot Package included free with every new system install.
American-Made Equipment
We prioritize domestic manufacturers and factory-trained installation teams.
Limited-Time Offers

Save Big on Your HVAC Service

Take advantage of our current promotions across maintenance, repairs, and full system replacements. Discounts available for Senior, Military, and Law Enforcement.

Allegiance 76 HVAC promotional flyer with current offers
Up To
$1,500 OFF
New System Install
*Call for details
Free
Diagnostic
With Repairs
*$99 fee waived if repairs are made
Full Tune-Up
$79
Complete HVAC System
*Single-system residential
Free
Estimates
Orange County & Inland Empire
*Trip fee may apply outside service area
Claim Your Offer ›
What We Do

Six Pillars of HVAC Excellence

From routine tune-ups to full industrial system overhauls, Allegiance 76 brings precision and pride to every job.

Air Conditioning

Central AC, ductless mini-splits, and rooftop units installed and serviced with precision.

Heating Systems

Furnace installation, heat pumps, boilers, and radiant floor heating done right.

Ventilation & IAQ

Air quality solutions, ERVs, HRVs, and duct cleaning for healthier indoor environments.

Maintenance & Repair

Scheduled tune-ups and fast emergency repairs to keep your systems running peak season.

Commercial HVAC

Office buildings, retail, restaurants — scalable solutions for demanding commercial needs.

Smart Controls

Nest, Ecobee, and BAS integration for intelligent, energy-saving climate automation.

By The Numbers

Allegiance 76 At a Glance

100%
Client Satisfaction
20+
Years in Business
5-Star
Rated Company
24/7
Emergency Response
Ready to Start?

Your Comfort Is Our Mission

Whether you need a new system, a quick repair, or a full commercial retrofit — Allegiance 76 has the expertise and the heart to deliver.

Schedule Service ›View Our Work