heating & a/c services

in coronado
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Pledging Valuable Solutions to Keep You Comfortable Year-Round

In Coronado, reliable climate control is a must. Allegiance Heating & Air provides expert repair, installation, and maintenance for homes, businesses, and property managers across the area.

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Comprehensive Services

Heating & Cooling

Residential Ac services

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Enjoy Coronado’s coastal living with an AC system built for comfort. We handle new installations, tune-ups, and emergency repairs with precision.

Residential Heating

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Even mild winters require dependable heating. We repair and replace systems that underperform, ensuring steady warmth in every season.

Commercial aC services

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Coronado businesses—from restaurants to offices—need reliable cooling. Our technicians provide professional AC service tailored to your property.

Commercial Heating

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Keep your business comfortable with commercial heating services that deliver efficiency and reliability.

Property Management

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Coronado property managers rely on us to maintain HVAC systems across rentals, condos, and apartment complexes.

Duct & Chimney Cleaning

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Our sister company, Absolute Duct & Chimney Cleaning supports homes and businesses in San Diego by addressing fire hazards and enhancing air quality.
Our Services
Breathe Clean Air

Healthy Living & Working Environments for All

Comfort and safety in your home and business are our top priorities. When an HVAC system fails, air quality declines. Our experienced technicians will inspect, clean, repair, and restore your heating and air conditioning systems, so you can feel confident in the air you breathe.
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HVAC Experts Who Are Dedicated to Quality, Fast, and Reliable Services

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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.
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    HVAC Experts

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