Our Story
At Advanced Heating & Air, we're more than just an HVAC company—we're a family-owned and operated business dedicated to keeping our neighbors comfortable year-round.
Founded in 2008, Advanced Heating & Air was built on a simple principle: treat every customer like family and every home as if it were our own. For over 17 years, we've proudly served homeowners and businesses throughout Temecula Valley and the surrounding communities with honest recommendations, quality workmanship, and exceptional customer service.
Leading our team is owner Steve Shettleroe, who brings more than 29 years of hands-on HVAC experience to every project. Throughout his career, Steve has seen the industry change dramatically, but one thing has remained constant—his commitment to doing the job right the first time. His extensive knowledge and passion for helping customers have become the foundation of the company's reputation.
Known as the leading experts in heating, air conditioning, furnace repair, and installation, Advanced Heating & Air Conditioning has proudly served the community of Temecula Valley for over 15 years. Founded by Steve Shettleroe who has been in the trade for over 26 years. Steve is a passionate individual with a strong work ethic and a high standard of workmanship. Advanced Heating & Air Conditioning has grown through word of mouth and exceptional quality.
With the support of a capable and friendly team we pride ourselves on providing 5 star service. Our commitment to delivering unparalleled craftsmanship, personalized service, and reliability has earned us a trusted reputation in the community.
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WHAT SETS US APART
What sets us apart isn’t just our experience—it’s our approach.
While many companies focus on sales, we focus on solutions. We believe customers deserve honest advice, transparent pricing, and options that fit their needs and budget. Whether it’s a simple repair, preventative maintenance, a complete system replacement, or improving indoor air quality, our goal is always to provide long-term comfort and peace of mind.
As a local family-owned business, we’re deeply connected to the communities we serve, including Temecula, Murrieta, Menifee, Winchester, Wildomar, Lake Elsinore, and surrounding areas. Our customers aren’t just account numbers—they’re our neighbors, friends, and fellow community members.
Over the years, we’ve built our business through referrals, repeat customers, and the trust we’ve earned one family at a time. We take pride in showing up when we say we will, communicating honestly, and standing behind our work.
When you choose Advanced Heating & Air, you’re choosing a company backed by nearly three decades of industry expertise, a commitment to quality, and a team that genuinely cares about your comfort.
We’re not the biggest HVAC company in Southern California—and we’re proud of that. It allows us to provide the personal attention, accountability, and customer experience that larger corporations often can’t match.
From our family to yours, thank you for trusting Advanced Heating & Air. We look forward to serving your home and helping your family stay comfortable for years to come.
Advanced Heating & Air
Experience You Can Trust. Service You Can Feel.
WHAT SETS US APART
LICENSED & CERTIFIED
FULLY INSURED
CUSTOMER SATISFACTION
We prioritize customer satisfaction and always strive to exceed our clients’ expectations. As one of the highest rated HVAC service contractors in the Temecula Valley area, we are here to serve you.
HIGH-QUALITY EQUIPMENT
PRIORITIZING SAFETY
FINANCING & COMPETITIVE PRICING
SUSTAINABLE SOLUTIONS
OUR SERVICES
We provide real solutions for health, safety and comfort:
- Service and maintenance
- Zone systems
- System noise reduction
- Indoors air quality, air filtration and sterilization
- Full System Change Outs
- Programmable and Non-Programmable Thermostats
- 410-A Refrigerant Systems
- Energy Saving Techniques
- Duct Cleaning
- Dryer Vent Cleaning
- Whole House Fan Installation
- Blown in Insulation
- Buyer/Seller Evaluations
- Condenser Relocation
MEET OUR TEAM
We take pride in the excellence of our hard working staff. Each member of the Advanced Heating & Air Conditioning team has gone through a background check and drug screening offering customers peace of mind when we step into your home or business. We have experience working for school districts, property management companies, high profile businesses and countless homeowners throughout the Temecula Valley.

Steve Shettleroe
OWNER/OPERATOR

Ryan
GENERAL MANAGER

Danny
SALES/SERVICE

Ron
LEAD INSTALLER

Denise
OFFICE MANAGER

Kyle
INSTALLER




