The HVAC Specialists

of San Diego County, CA
Contact Us

Pledging Valuable Solutions to Keep You Comfortable Year-Round

Do you need a new air conditioning unit? Is your heater on, but you aren’t warming up? Allegiance Heating & Air Conditioning Inc can help get your systems up and running the right way. As the HVAC specialist of San Diego County, CA, we are equipped and prepared to service your heating and cooling system. We will repair, restore, and replace your unit until it is functioning to the best of its ability.
Schedule a Service
Comprehensive Services

Heating & Cooling

Residential A/C

home air icon
Whether you need a new A/C system or to improve your existing one, our team is equipped to service your residential air conditioning system.

Residential Heating

home energy icon
If you notice the temperature is not increasing in your home and your utility bills are increasing, it is time for our experts to check out your heating system.

Commercial A/C

technician icon
Our team is equipped to repair and restore air conditioning systems at both large facilities and small businesses.

Commercial Heating

thermostat icon
We service any sized heating system so that you and your coworkers stay warm throughout the colder months.

Property Management

property management icon
Our team provides complete HVAC services to residential and commercial property management companies. From single-family rental properties to the largest apartment complexes, we've got you covered!

Duct & Chimney Cleaning

air duct icon
Absolute Duct & Chimney Cleaning helps homes and businesses in San Diego prevent fire hazards and improve air quality.
Our Services
Breathe Clean Air

Healthy Living & Working Environments for All

Our goal is to ensure that you stay comfortable and safe inside of your home and business. When your HVAC system is not functioning correctly, the air quality in your building will decrease. Our expert technicians will inspect, clean, repair, and restore your heating and air conditioning systems so that you can rest easy knowing the air you breathe is safe.
About Us
Schedule a Free Estimate

HVAC Experts Who Are Dedicated to Quality, Fast, and Reliable Services

Contact Us

Always Great

Used these guys before and they are always great! All of the employees are professional and get right to doing what they do best. We had our ac unit they installed some years ago moved for a remodel about 50ft. On time CLEAN and nice to have in the house! Definitely will recommend!
Michael D.

Extremely Professional

Great people and great work! They were so easy to work with, extremely professional, polite, and best of all knew what they were doing! I have not found a more trustworthy company and will do business with them again. Thank you Raul and Ryan!!
Zoe

On Time, Responsive & Clean

Awesome company. On time, responsive & clean! They did routine maintenance on our HVAC system & and answered some specific questions about the longevity of our HVAC system.
Russ S.

Clean & Efficient

Great service! Heriberto was clean & efficient. He also was able to answer some specific questions on the expected life of our system.
Suzanne S.

Top-Notch Service

Literally best company in Santee. Besides the great customer service representative to their technicians, hands-down, top-notch service.
Kelli T.
    Read More
    HVAC Experts

    Contact Us

    Schedule a Service Appointment Online Today