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27 Years
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Emergency
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Expert HVAC Services in Temecula, CA
Advanced Heating & Air Conditioning has been a trusted name in the HVAC industry for over 26 years, serving the Temecula Valley and surrounding areas. Founded by Steve Shettleroe, our family-owned business combines decades of hands-on experience with a commitment to exceptional service. Our team of licensed, EPA-certified technicians undergoes regular training to stay at the forefront of industry advancements, ensuring we deliver reliable solutions for residential and commercial clients.

We prioritize customer satisfaction through transparent pricing, honest assessments, and 24/7 emergency support. With a focus on quality workmanship, we offer comprehensive services including installation, repair, maintenance, and indoor air quality improvements. Our dedication to safety, sustainability, and community has earned us over 50,000 satisfied customers and a reputation as a leader in HVAC excellence.
Services
Air Duct Cleaning HVAC Maintenance Air Conditioning Repair Furnace Installation Indoor Air Quality Emergency HVAC Service Thermostat Installation Ductless Systems Dryer Vent Cleaning Commercial HVAC
Details
  • Year established: 1999
Highlights and features
  • 26 years of experience in HVAC installation and repair
  • Licensed and EPA-certified technicians ensure compliance and expertise
  • 10-year parts warranty with optional labor coverage
  • 24/7 emergency service for urgent HVAC needs
  • Transparent pricing with no aggressive sales tactics
Associations and certifications
  • EPA Certified Technicians
  • NADCA Certified
What people say
Prompt and professional service Great guys, clean work Competitive pricing 24/7 emergency support Professional workmanship
Services
Air Conditioning Repair
Our skilled technicians diagnose and fix cooling system issues, from refrigerant leaks to compressor failures. We ensure optimal performance through thorough inspections, component testing, and precision repairs. Clients benefit from reduced energy costs, extended equipment lifespan, and consistent indoor comfort during peak summer months.
Furnace Installation
We install high-efficiency furnaces with 10-year parts warranties, ensuring reliable winter heating. Our process includes system sizing analysis, ductwork evaluation, and proper venting. Homeowners gain improved energy efficiency, lower utility bills, and enhanced indoor air quality through modern, code-compliant installations.
Air Duct Cleaning
NADCA-certified technicians remove contaminants from HVAC ductwork using specialized equipment. This service improves indoor air quality by eliminating allergens, mold spores, and debris accumulation. Commercial and residential clients experience better airflow efficiency, reduced HVAC strain, and healthier living environments.
Indoor Air Quality
We implement whole-home air purification systems and humidity control solutions. Services include UV light installation, HEPA filter integration, and volatile organic compound (VOC) reduction. Clients achieve cleaner air, reduced allergy symptoms, and balanced moisture levels for optimal respiratory health and equipment longevity.
Emergency HVAC Service
Available for urgent heating and cooling failures outside regular business hours. Our rapid response team addresses critical issues like complete system shutdowns or refrigerant leaks. Clients receive priority scheduling, immediate diagnostics, and same-day repairs to restore comfort and prevent property damage.
People
Steve Shettleroe
Owner/Operator
With 26 years of HVAC expertise, Steve founded the company on principles of integrity and technical excellence. He oversees daily operations and maintains hands-on involvement in complex installations.
Ryan
General Manager
Manages service coordination and quality control. Ensures all technicians meet licensing requirements and adhere to company safety protocols for residential and commercial projects.
Danny
Sales/Service
Provides detailed system assessments and tailored solutions. Known for clear communication and technical expertise in diagnosing complex HVAC performance issues.
Denise
Office Manager
Coordinates appointments and customer communications. Ensures seamless service delivery through efficient scheduling and client follow-up procedures.
Kyle
Installer
Specializes in precision equipment installation. Follows manufacturer specifications for optimal system performance and warranty compliance during residential and commercial projects.
Questions
What areas do you service?
We serve Temecula Valley, Murrieta, Menifee, Wildomar, Winchester, Corona, Sun City, and surrounding regions in Southern California.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency support for urgent heating and cooling system failures outside regular business hours.
What warranties are available?
We offer a 10-year parts warranty on installations, with optional 10-year labor coverage available on select models.
Can you help with financing options?
Yes, we provide flexible financing plans to make HVAC upgrades and emergency repairs more accessible for homeowners.
Are your technicians certified?
All technicians are licensed, EPA-certified, and undergo regular training to maintain industry compliance and technical proficiency.
How often should HVAC maintenance be scheduled?
We recommend biannual maintenance—once before summer cooling season and once before winter heating season—for optimal system performance.
Reviews (7)
Bailey B.
Dec 14, 2021 Report
I always appreciate a business that picks up when you call, gives realistic arrival times, and all employees you encounter are very professional and kind. Great service, fantastic turn around time. I've used them twice in Temecula, two different houses, both honest repairs. Also, both times I've called they came out next day on time. I highly recommend!
Trai G.
Dec 10, 2021 Report
As always, fast, reliable, and on time. Showed up the day of and found the problem, and gave me a referral for the solution. Can always count on them and they will always be my go to.
Paige H.
Nov 16, 2021 Report
Great service! These gentlemen were quick, worked great together, and were extremely helpful in helping me gauge work vs cost in my buyers request for repairs. They went above and beyond my expectation.
Vanessa G.
Jul 22, 2021 Report
Woke up to a hot house and a failed AC. Reached out to several companies on here and Steve (the owner) was the first one to respond. His message wasn't just a quick response to my question like the others I received after, but came with genuine care for our situation. Felt like I was reached out to by an actual human and not just an auto-reply. He was able to squeeze us in the same day, and then showed up early and within minutes diagnosed AND fixed our issue! Steve was friendly, professional and knowledgeable. Happy to give him our business!
Tom D.
Jul 22, 2021 Report
It's one of those times when you call for some air conditioning service and when it's done, you know you made the right phone call. Start to finish, this is a great company....
Cher K.
Jul 15, 2021 Report
Kurt and his 2 buddies just left our home. They were here for over 6 hours replacing and installing all new equipment, from furnace to condenser, to new duct and numerous fidgeting with our "old equipment". Completely seamless process, each knowing his specific job and then helping others as needed. These guys were friendly, efficient, cordial and knowledgeable. We had been without air for 12 days and the "quiet" cool air we're getting right now is a godsend. Grateful to this company for truly caring! We couldn't be happier.
Shirley W.
Jul 10, 2021 Report
I called for my elderly uncle & aunt. One of their AC units wasn't working. Advanced Heating responded quickly and arrived same day. My folks were satisfied with the work, pricing, friendly manner and professional service. Thank you!