heating & ac services

in otay ranch, ca
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Pledging Valuable Solutions to Keep You Comfortable Year-Round

Modern homes in Otay Ranch deserve modern comfort. Allegiance Heating & Air offers top-tier HVAC repair, installation, and maintenance to keep indoor environments healthy and efficient all year long.

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Comprehensive Services

Heating & Cooling

Residential Ac services

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Our technicians install and maintain AC systems built for reliability in Otay Ranch’s warm climate. Enjoy cool comfort and lower energy bills with professional care.

Residential Heating

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When cooler evenings hit the South Bay, we keep your home cozy with expert furnace repair and heating system replacement.

Commercial aC services

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Businesses across Otay Ranch rely on consistent cooling. We provide commercial AC service, repair, and replacement for offices, retail spaces, and mixed-use facilities.

Commercial Heating

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Our team keeps workplaces warm with dependable heating service that minimizes energy waste and downtime.

Property Management

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We partner with Otay Ranch property managers to maintain HVAC systems across rental communities and commercial buildings, ensuring comfort and reliability for tenants and owners alike.

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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