San Diego's HVAC Contractor -
Comfort for Every Home, Every Budget!

Call Us 442-317-1255

Our Partners

Our Services

HVAC Diagnostics
Book one of our engineers to troubleshoot your heating and air conditioning system.
2 hr
From USD68
Filter & Duct Cleaning
Book one of our engineers to inspect/clean the duct and air filtering systems.
4 hr
USD699
Book Now
(Estimate) Heating & AC System Install
Book one of our engineers to quote a new installation of a heating and air conditioning system.
1 hr
Book Now
Water Heater Replacement
Book one of our engineers to replace your water heater.
2 hr
From USD289
Book Now
HVAC System Maintenance Visit
3 hr
USD68
ECC/HERS Testing
Ensure System Efficiency and Inspection Readiness
2 hr
USD330
Book Now

About Us

Airist Heating and Air Conditioning satisfaction guarantee

Airist Heating and Air Conditioning licensed and insured

Airist Heating and Air Conditioning is carbon neutral hvac company serving san diego

Airist Heating and Air Conditioning is EPA certified hvac

Airist Heating and Air Conditioning corp is based in san diego county

Delivering HVAC solutions since 2002

Airist Heating and Air Conditioning employs NATE certified technicians

At Airist Heating and Air Conditioning, we believe great service is about more than fixing heaters and air conditioners — it’s about building real, long-lasting relationships with the people we serve. We’re a local San Diego County HVAC company made up of experienced, fully certified technicians who truly care about your comfort and your home. With over 30 years of combined experience, we take the time to listen, explain your options, and treat every job like it’s for family. Our goal is simple: earn your trust today and be the company you feel confident calling for years to come.

Meet Our Team

Project Portfolio

Examples of Our Work

AC UNIT #1

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SLIM AC UNIT #2

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GAS FURNACE #3

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Testimonials

“These guys have gone above and beyond my expectations... I will be definitely using them for all my maintenance and anything that may come up in the future as well as referring them to all my friends and family. Thank you guys for everything!"

Ashley T, CA

#1 Ranked HVAC Contractor in Escondido and North County for July 2026

Good news feels even better when it comes from the people we serve every day. We’re honored to share that we’ve been named the #1 Ranked HVAC Contractor by BusinessRate for July 2026. This recognition means a lot because it is powered by real Google reviews. In other words, it reflects the experiences of local homeowners, families, property owners, and neighbors across Escondido, North County and beyond who have trusted us with their heating, cooling, and indoor comfort. To

Casey - Airist

Aug 247 min read

Your Complete HVAC Maintenance Checklist: HVAC Maintenance Guidance for San Diego Homes

Maintaining your HVAC system is essential to keep your home comfortable year-round. Whether it’s the hot San Diego summer or the cooler winter months, a well-maintained heating and cooling system ensures efficiency, reliability, and longevity. I’ve put together a comprehensive guide to help you stay on top of your HVAC maintenance. This checklist will walk you through the key steps to keep your system running smoothly and avoid costly repairs. Why HVAC Maintenance Guidance Ma

Casey - Airist

Jul 294 min read

Reasons for AC Freezing: Why Your Air Conditioner Freezes Up

When your air conditioner suddenly freezes up, it can be frustrating and confusing. You expect cool air, but instead, you get ice covering your unit. This problem is more common than you might think, and understanding why it happens can help you prevent it or fix it quickly. In this post, I will walk you through the main reasons for AC freezing and what you can do about it. Common Reasons for AC Freezing Air conditioners freeze up for several reasons, and most of them relate

Casey - Airist

May 164 min read

Heating and Air Conditioning

San Diego's HVAC Contractor -
Comfort for Every Home, Every Budget!

Our Services

HVAC Diagnostics

Filter & Duct Cleaning

(Estimate) Heating & AC System Install

Water Heater Replacement

HVAC System Maintenance Visit

ECC/HERS Testing

About Us