Reliable Air & Heating Service
AQS Mechanical is a professional HVAC company bringing more than 70 years of HVAC expertise to home and business owners throughout Southern California, Inland Empire, Orange County, and Riverside County.
From HVAC repairs and maintenance to new installations and comprehensive indoor air quality services, our licensed and insured technicians get the job done right the first time by focusing on professionalism, transparency, and superior quality.

HVAC Services
If you’ve been disappointed by other HVAC companies, it’s time to experience the AQS Mechanical difference. We offer expert services to meet any HVAC need you may have and always do our best to be there on the same day you call. We’ve been exceeding our customers’ expectations since the 1980s. Over the years, our expert technicians have installed well over 50,000 HVAC units and have earned a reputation for excellence throughout Southern California.

Cooling

Heating
Our Services
Our full-service HVAC company offers the best HVAC products in the industry along with expert techniques that give you long-lasting results for your heating and cooling equipment. Your home or business comfort is our top priority, and our attention to detail from start to finish means you can trust your HVAC needs with us.


HVAC Cooling

Heat Pump Service & Installation

HVAC Heating

Air Purification Systems

HVAC Maintenance

Gas Furnace Service & Installation

HVAC Installation & Repair

Air-Duct Installation & Repair

About AQS Mechanical
When you turn to our woman-owned minority business, you can count on the area’s best commercial and residential HVAC services. From the first call to our office, you’ll know our dedicated team cares about your 100% satisfaction with every service.
Whether you need emergency HVAC repair in the middle of the night or want to set up a professional maintenance plan, we make the entire process hassle-free. Keeping your home or business HVAC working optimally and your indoor air quality healthy are our passions, and it shows.

Hassle-Free Warranties and Financing Options
When you turn to AQS Mechanical for your HVAC repairs or installation, you can count on our professional service between 30 and 90 days, depending on the part. Most of our HVAC systems come with a 10-year manufacturer warranty. We use only the top equipment from the market’s leading manufacturers. Our preventative maintenance services will ensure you keep your system running optimally and prolong its lifespan.

