Cool Air Tech – Orange County HVAC Contractor(714) 731-9292
Service & Estimates: Mon-Fri 8am-6:30pm | New Equipment Estimates Only Sat 8am-2pm
Call us: 714.731.9292
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Orange County Air Conditioning & Heating Service2026-01-12T17:32:22-08:00

Furnace/Heating – Call Now!

Contact Cool Air Tech Today

714 731-9292

Stay Comfortable – Act Now!

Call Cool Air Tech Today

714 731-9292

Furnace Repair Orange County

Furnace Repair Orange County – Residential Heating Experts Since 1996

Award-Winning • Family-Owned • Orange County Based

⭐️ Over 1,000 Verified 5 Star Reviews

Cool Air Tech specializes in furnace repair, heating service, and furnace replacement for Orange County homeowners. For nearly 30 years, we’ve helped families restore heat quickly with honest diagnostics, expert workmanship, and long-term solutions, not temporary fixes or sales pressure.

✓ Same-Day Furnace & Heating Repair
✓ No Heat / Furnace Not Working Specialists
✓ Free Estimates on Furnace Replacement
✓ Longest 10-Year Install Labor Warranty in Orange County
✓ Residential Homes Only — No Commercial Jobs

Residential furnace repair service in Orange County

Questions or Schedule Service

Free Estimates on New Installations

Call Us: 714 731-9292

CSLB #745012 | Licensed • Bonded • Insured

Cool Air Tech provides residential furnace repair, heating repair, and furnace replacement throughout Orange County, California. Services include no-heat repair, gas furnace diagnostics, heating system replacement, and seasonal furnace maintenance for homeowners in Irvine, Tustin, Newport Beach, Anaheim Hills, Yorba Linda, and surrounding Orange County cities.

Heating & Air Conditioning Financing
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Heater Repair & Furnace Heating Services in Orange County

furnace repair Orange County

We strive for excellence in everything we do. Cool Air Tech is one of Orange County’s most trusted residential heating companies, specializing in furnace repair, heater repair, and furnace replacement that homeowners rely on for comfort, efficiency, and long-term value.

Our experienced technicians provide accurate diagnostics, affordable repair solutions, and expert furnace installations all backed by the longest 10-year install labor warranty in Orange County. We also offer competitive pricing and exclusive dealer specials to help you save year-round.

Need fast heater or furnace repair?
Call  714 731-9292 for reliable furnace repair in Orange County.

Heater Repair Orange County

Highly Trained Furnace & Heating Technicians

  • Participate in continuous manufacturer and factory training programs
  • Attend regular industry and manufacturer workshops
  • Stay fully up to date on the latest furnace and heating technologies
  • Diagnose gas and electric furnace issues quickly and accurately
  • Heating efficiency evaluations for improved comfort.
  • Follow strict safety standards and best practices.
Expert HVAC Services Orange County

Expert Heating Repair & Installation Services

  • Precision furnace repair and heating system diagnostics
  • Heating system installations for new and replacement units
  • Smart and programmable thermostat repair & replacement
  • Interior airflow optimization for even, consistent heating
  • Heating system performance testing and safety checks
  • Energy-efficient heating upgrades to improve comfort and reduce costs
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Angi List Reviews
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HVAC Maintenance Services
Residential Orange County Air Heating Services

Our Expert Services

Residential Heating & Air Conditioning Services in Orange County

Cool Air Tech provides complete residential furnace repair, heating service, and air conditioning solutions for Orange County homeowners. Our factory-trained technicians service all major brands and deliver reliable comfort year-round, whether your furnace stops working on a cold night or your AC kicks on during an unexpected winter heat wave.

Furnace & Heating Repair

No heat or furnace not working?
Call 714 731-9292 for fast furnace repair in Orange County.

Air Conditioning Services

Southern California winters can still bring warm days. We also provide:

All AC services are handled by the same residential-only, factory-trained technicians you trust for heating repairs.

Knowledge, Service & Experience You Can Rely On

Cool Air Tech is built on honest service, proven expertise, and long-term customer relationships. Everything we do is designed to make heating and cooling service easy, transparent, and dependable for Orange County homeowners.

Best Price Guarantee

  • Deal directly with the owner and save
  • No commissioned salespeople — ever
  • Free, no-pressure written estimates
  • Strong manufacturer partnerships allow us to pass savings on to you
  • Honest recommendations based on your home, not quotas

Trusted Year-Round Comfort

  • Our promise to keep your home comfortable all year long
  • Priority scheduling for existing customers
  • Fast response when you need furnace or AC service near you
  • Residential-focused service, no commercial distractions

The Cool Air Tech Difference

  • Award-winning service recognized for price, quality, and experience
  • Family-owned and operated, we truly care and try harder
  • Highly trained, award-recognized technicians
  • Decades of real-world experience repairing, maintaining, and replacing home comfort systems
  • Focused on fixing problems correctly the first time

100% Satisfaction Guaranteed on Every Service & Installation

Cool Air Tech is an award-winning, local, family-owned residential heating and air conditioning company proudly serving Orange County homeowners since 1996. Every repair, installation, and maintenance service we provide is backed by our 100% satisfaction guarantee.

We proudly serve homeowners throughout Orange County, including Aliso Viejo, Anaheim Hills, Brea, Costa Mesa, Irvine, Laguna Niguel, Newport Beach, Newport Coast, Tustin, Yorba Linda, and surrounding communities.

From heater and furnace repair to air conditioning installation and seasonal maintenance, we provide affordable, reliable residential comfort solutions you can trust — delivered by licensed professionals who put your home first.

Need furnace, heater, or AC service today?
Call 714-731-9292 to schedule service with a trusted Orange County heating & air company.

We Repair & Service All Makes and Models.

Lennox Heating & Cooling Repair Services
Trane Heating & Cooling Repair Services
American Standard Air Conditioning and Heating Repair Services
Comfortmaker Heating and Cooling Repair Services
Heil Heating and Cooling Repair Services
Tempstar Heating and Cooling Repair Services
RUUD HVAC Systems Repair Services
Arcoaire Heating and Cooling Repair Services
York HVAC Heating and Cooling Repair Services
Goodman Air Conditioning and Heating Systems HVAC Repair Services
Rheem Heating & Cooling Repair Services

01

$400 off

NEW EQUIPMENT

(Deal Direct with the Owner and Save.)

We pass our manufacturers savings on to you.
(*While Supplies Last)

Call For Details
(714) 731-9292

02

$20 off

HEATING & AIR CONDITIONING REPAIR

(Repairs Warrantied for 30 days)

Call For Service Now
(714) 731-9292

03

$89.95 (Reg $149.95)

TUNE UP & MAINTENANCE SPECIAL

• Ensure proper system operation
• Assess safety controls
Comprehensive evaluation to keep your system running when you need it most!

Call To Book Now
(714) 731-9292

Cool Air Technologies Heating & Air Conditioning Recent Projects

fixing 5 ton system santa ana 1
5 Ton System Replacement in Santa Ana
This was job in Santa Ana which included removing a 5 ton system which did not remove enough humidity during ac. We redesigned and added a 3 ton system for south side of home to include new electric gas and new ductwork with cans and grills and changing 5 ton closet to 3 ton which will support the north side of the house. The New system will give better humidity control now that it is sized properly, making our customers more comfortable not to mention the electric savings which should be about 60% to 70%.
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3 Ton Changeout Irvine 1
3 Ton Changeout Irvine
Cool Air Technologies Changeout 3 Ton at Irvine
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Coil Condenser Changeout Newport Beach 3
Coil Condenser Changeout Newport Beach
Cool Air Technologies Changeout Coil Condenser at Newport Beach
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3 Ton Replacement in Tustin
3 Ton Replacement in Tustin with new remote return air insulated return
In Tustin 3 Ton Replacement with new remote return air insulated return.
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Heating, Ventilation and Air Conditioning System Installation
In Irvine, California, Cool Air Tech replaced the entire heating, ventilation, and air conditioning system was replaced, including the heater, air conditioning, and ducting. The old HVAC system was 25 years old.
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AC System Installation 01
Heating and Ventilation System, Ducts & Air Conditioning Installation
The heating and ventilation system was moved from the basement to the attic as part of this project. Additionally, thirteen new ducts with cans and grills were installed, and air conditioning was installed in the sixty-year-old house that had heat only prior to our work.
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Tempstar HVAC System Ductwork Replacement Yorba Linda
Cool Air Technologies inspected the system in this Yorba Linda home and determined the system and ductwork were beyond repair. We replaced the entire system and ductwork.
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High Efficiency Heater Air Conditioning Replacement Anaheim Hills
Cool Air Technologies replaced two 30 year old systems with high efficiency heater and air conditioning systems in this Anaheim Hills home.
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Tempstar HVAC Unit Replacement Stanton
Cool Air Technologies found a 30 year old system in this Stanton home. Due to age and condition, we recommended changing the equipment to a more efficient and reliable system.
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Home Heating And Air Replacement
Cool Air Technologies removed and replaced a 30 year old HVAC system with a new Tempstar furnace coil and condenser for our client’s home in Anaheim. We also abated and reducted the home with new supply grills, increasing airflow by 40 percent.
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Home Air Conditioning Replacement
Cool Air Technologies removed and replaced this decades old AC system in Mission Viejo with new high performance Tempstar equipment. The homeowners already called to state how much lower their utility bills are and how quiet the new equipment is. On average, a newer system can save up to 60% on your utility bill. Here are before and after photos.
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Home HVAC Systems Replacement
Cool Air Technologies replaced two HVAC systems in this client’s home in Orange, increasing efficiency and reliability. We also replaced faulty ductwork in the attic ensuring proper airflow throughout the house.
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HVAC System Replacement Slimline Condenser
Cool Air Technologies replaced the HVAC system in this Irvine home with a new high efficiency condenser. We used a slimline condenser due to space limitations.
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Furnace Coil And Condenser Replacement Tustin
Cool Air Technologies replaced the furnace coil and condenser for this home in Tustin. We were able to quickly diagnose the problem and schedule the installation for the next day due to the extreme cold.
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Tempstar Furnace Coil And Condenser Replacement
Cool Air Technologies inspected our long term client’s home and determined the existing equipment was not sufficient for their cooling and heating needs. We were able to install a new Tempstar furnace coil and condenser, taking great care to not damage the client’s fish pond equipment the was located in the same closet. We are honored to have provided service and equipment for this client’s multiple homes.
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New Furnace Coil And Condenser Replacement
Cool Air Technologies diagnosed multiple issues with our client’s heating and air system while performing preventative maintenance. Due to projected cost of repair, the Buena Park homeowner decided replacement was the prudent financial choice. After installation of the new furnace coil and condenser, the homeowner relayed to us that his electric bill was drastically reduced. He was extremely pleased with the quality of our installation and the energy savings.
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Heating And Cooling Systems Replacement Mission Viejo
Cool Air Technologies replaced the Heating and Cooling systems for this Mission Viejo home. We were referred by this client’s son, whom we had previously provided service to. We feel honored that our clients entrust us to provide service to their family and friends.
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Furnace Coil And Condenser Replacement Irvine
Cool Air Technologies replaced the furnace coil and condenser for this home in Irvine. We were one of many HVAC companies to provide a bid, and were chosen due to our no pressure proposal. The client appreciated that the owner of Cool Air Technologies came out personally to provide the bid and said they were influenced by our many 5 star reviews and competitive pricing.
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High Efficiency AC Unit Climate Friendly System Upgrade
Cool Air Technologies has been providing HVAC service to this client in Laguna Niguel for many years. We upgraded the AC unit to a higher efficiency and climate friendly system.
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HVAC System Replacement Fullerton
Cool Air Technologies relocated this Fullerton client’s equipment from closet to attic. We also built a new platform in the attic and added new gas, electric, plumbing and refrigeration lines. We installed new ductwork to alleviate poor airflow from their previous system. We cut in new vent locations for more even airflow throughout the house.
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Home Ductwork Replacement Tustin
Cool Air Technologies provided a yearly tune up for this Tustin home. As part of our tuneup service, we inspected the ductwork and found excessive rodent damage to the ducts. We replaced the ductwork and strapped it to the ceiling to eliminate accessibility to the rodents. We also enlarged the ducts because the client was complaining of poor airflow. The client reported a noticeable increase in airflow and was very satisfied with the service we provided.
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Ducts, Furnace coil and condenser Replacement Anaheim
Cool Air Technologies add new ducts and a 3 ton furnace coil and condenser in this Anaheim home.
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Yorba Linda 5 Ton AC Condencer Replacement
Condenser Replacement Yorba Linda
Cool Air Technologies replaced a 5 ton condenser to this home in Yorba Linda.
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Condenser, Furnace coil and Ducts Replacement Anaheim Hills
Cool Air Technologies replaced the furnace coil and condenser for this home in Anaheim Hills. We also added new return ducts.
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Irvine Furnace AC Condencer Replacement 01
Old Equipment Replacement Irvine
Cool Air Technologies replaced 30 year old equipment in this Irvine home. Due to the age and condition of their unit, we recommended changing the equipment for better efficiency and reliability.
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Furnace Replacement Anaheim Hills
Cool Air Technologies replaced the furnace with additional metal work on this home in Anaheim Hills.
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tempstar furnace
Tempstar New Furnace Installation
Installed new furnace.
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Tempstar 3 ton furnace coil and condenser installation
We put in 3 ton furnace coil and condenser this is a download application, we also installed a download coil for the existing heater.
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Cool Air Tech Customers Blog

Furnace Repair Orange County: The Complete Homeowner’s Guide to Heating Repair, Replacement & Costs

By |January 14, 2026|Tips & Tricks, Residential Heating Services|

Expert Furnace Repair, Replacement & Heating Solutions for Orange County HomesCool Air Tech provides residential furnace repair, heating service, and furnace replacement throughout Orange County, California. This comprehensive guide explains common furnace problems, repair vs replacement decisions, cost factors, maintenance best practices, and why[...]

Cool Air Tech Orange County HVAC Service Areas CA

Cool Air Tech Heating & Air Service Areas

Cool Air Technologies proudly provides residential air conditioning and heating services throughout all of Orange County. Whether you’re in the hills of Anaheim or the coast of Newport Beach, our certified HVAC technicians deliver fast, reliable service.

Cool Air Tech Orange County residential heating and  air conditioning company. We offer a range of services including ac and furnace repair, sales, installations, and maintenance of all makes and models of HVAC systems, including furnaces, heaters, and air conditioners. We offer the best warranties in the business. You deal directly with the owner and Save! We have been serving Orange County, Anaheim Hills, Irvine, Newport Beach, Yorba Linda, Laguna Niguel, and all surrounding areas since 1996 and have thousands of satisfied customers. Contact us today for all your Heating and Cooling needs.

Cool Air Tech Air Conditioning & Heating Services
CSLB #745012
Toll Free: (800) 453-0444
(714) 731-9292
Fax (714) 855-8565

SERVICE & ESTIMATES: Mon-Fri 8am-6:30pm
NEW EQUIPMENT ESTIMATES ONLY : Sat 8am-2pm
HVAC Services Orange County

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