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
SCHEDULE SERVICE
Orange County Air Conditioning & Heating Service2025-09-13T08:37:01-07:00

Beat the Heat – Call Now!

Contact Cool Air Tech Today

714 731-9292

Stay Comfortable – Act Now!

Call Cool Air Tech Today

714 731-9292

HVAC Services Orange County

Award-Winning, Local, Family Owned & Operated!

Over 1000+ 5 Star Reviews ⭐️⭐️⭐️⭐️⭐️

Orange County Air Conditioning Services – Repair, Sales, Installation & Maintenance, HVAC & AC Repair

Since 1996, Cool Air Tech has been Orange County’s trusted residential HVAC company, providing expert AC repair, heating service, and new system installations designed to keep your home comfortable year-round.

  • Home HVAC Sales & Installations
  • Residential Air Conditioning & Heating Repairs
  • Home AC & Furnace Upgrades & Replacements
  • Residential AC Cool & Furnace Maintenance
  • EPA Certified Technicians
  • Fully Licensed, Bonded and Insured
  • Serving All of Orange County, Ca

OC HVAC contractor

✓ We service, install and repair all makes and models
✓ We offer the best warranties in the business
✓ You deal directly with the owner and SAVE!
✓ Affordably Priced HVAC Solutions
✓ #1 OC AC Replacement Pros

OC HVAC Contractor Near Me

Questions or Schedule Service

Free Estimates on New Installations

Call Us: 714 731-9292

CSLB LIC# 745012

Heating & Air Conditioning Repair Orange County Financing
GET FINANCING

We strive for excellence in everything we do.

AC Repair Orange County Cool Air Tech is one of OC’s most trusted HVAC contractors, specializing in Residential AC Repair Orange County homeowners rely on for comfort, value, and efficiency. We offer affordable system sales, expert installation, and exclusive dealer specials to help you save more year-round. Our 10-year install labor warranty is the longest in Orange County providing peace of mind, dependable performance, and long-term protection. For a fast, reliable HVAC Contractor, call now 714 731-9292.

Orange County Air Conditioning Services

HIGHLY TRAINED TECHNICIANS

  • Receive Continuous Factory Training
  • Attend Manufacturers Workshops
  • Are Fully Versed in The Latest Technologies
  • Perform Energy Efficient Home Evaluations
HVAC Services Orange County

EXPERT REPAIR | INSTALLATION

  • Installation of HVAC Automation Systems
  • Thermostat Repair & Replacement
  • Interior Air Flow Optimization
  • Heating System Installations
Angi List Reviews
Angi List Reviews
Yelp Reviews
Google Reviews

Residential Heating and Air Conditioning Repair, Sales & Installation Services in Anaheim Hills, Irvine, Newport Beach, Yorba Linda & Surrounding Areas

Orange County HVAC Services, Repair & Sales

At Cool Air Technologies, we’ve specialized exclusively in residential air conditioning repair, services, and installation in Orange County for over 28 years. Whether your AC is blowing warm air, making strange noises, or not turning on at all, our experienced team will diagnose and fix the issue fast — with no pressure, no surprise upsells, and no hidden fees.

Full-Service Residential Cooling Pros

We don’t dabble in plumbing or commercial projects — residential air conditioning and heating is all we do. That means every technician we send is highly trained in cooling system diagnostics, repair, installation, and preventative maintenance, pro HVAC Services Orange County.

We proudly service all major AC brands, including: Carrier, Lennox, Trane, American Standard, Tempstar, Rheem, Goodman, York, and more.

Air Conditioning Repairs You Can Trust

Our EPA-certified technicians show up on time, ready to resolve issues like:

  • Refrigerant leaks and low cooling output
  • Unresponsive thermostats
  • Frozen evaporator coils
  • Loud or vibrating outdoor units
  • Blower motor or capacitor issues
  • AC Repairs you can count on

We’ll explain exactly what’s wrong and only recommend what’s necessary to restore safe, efficient cooling in your home.

AC Installation & System Upgrades

Is your AC system more than 10 years old? A newer high-efficiency model could cut your utility bills and improve indoor comfort year-round. We offer:

  • Free estimates on new AC installations
  • Proper sizing based on your square footage and layout
  • Energy-efficient systems that qualify for rebates
  • Our exclusive 10-year labor warranty for most installations
  • We Offer Heating & Air Financing Options

Whether you’re replacing an old unit or upgrading to zoned ductless mini-splits, we’ll help you find the right system for your home and budget.

Preventive Maintenance & Seasonal Tune-Ups

Avoid breakdowns with our affordable AC tune-up service, recommended every spring before the summer heat sets in.

Our 20-point tune-up includes:

  • Full airflow check & filter replacement
  • Refrigerant level check
  • Coil cleaning
  • Thermostat calibration
  • Electrical safety inspection
  • Drain line flush

Routine maintenance helps improve energy efficiency, extends the life of your system, and ensures you stay cool when it matters most.

Serving All of Orange County

We proudly provide Orange County AC repair and OC HVAC services in: Aliso Viejo, Anaheim Hills, Brea, Costa Mesa, Irvine, Laguna Niguel, Newport Beach, Newport Coast, Tustin, Yorba Linda, and nearby areas.

Schedule Your AC Repair or Tune-Up Today

Orange County Air Conditioning Services Call us at  714 731-9292  or request service online.

We’ll keep your Orange County home cool, efficient, and comfortable without the hassle.

HVAC Maintenance Services
Residential Orange County Air Conditioning Services

Our Expert Services

Cool Air Tech Heating & AC Repair Orange County, Ca

Our technicians are factory trained in the repair and installation of all major brands of heating, air conditioning and air quality management. If you are looking for hvac replacement near me contact us today.

Residential Air Conditioning Repair

Air conditioning is vital to keeping your home cool and your family comfortable. If you want your system to perform at its best, it’s important that you make time to look after it properly and address any issues as soon as they arise. With more than two decades of experience in the air conditioning industry, our team at Cool Air Technologies has the expertise and know-how to repair your system, no matter what make or model you might have.

Residential Air Conditioning Sales & Installation

Installing a new air conditioner is an important job and one that you will want to be sure you get right the first time around. Here at Cool Air Technologies, we have helped countless homeowners to install air conditioning systems in their homes and we can help you too. We have experience working with all makes and models and our highly-trained technicians can give you the advice you need to ensure you have the best possible solution to keep your home cool and comfortable moving forward.

Residential Air Conditioning Maintenance

Just as you service your car regularly to keep it running in tip-top condition, you need to do the same with your air conditioner. Regular air conditioning maintenance will help your system to run optimally, saving you money on your utility bills each month. With regular maintenance, you will also be able to identify any potential issues with your air conditioning quickly and deal with them properly before they become bigger problems. Finally, by looking after your air conditioning correctly, you can extend the lifespan of your system meaning you can delay investing in a new system for a few extra years.

Residential Heating Repair

Ensuring your furnace and heating system are working correctly is crucial when the outside temperatures start to drop. At Cool Air Technologies, our highly trained technicians always go above and beyond to ensure that you receive the very best heating and furnace repair services possible. Our team aims to get the work done as quickly as we can, without compromising quality and we always strive to complete the required repairs on the same day we arrive.

Residential Heater Sales & Installation

Whether your old heater has finally stopped working and needs to be replaced, you want to upgrade your current heating system, or you are installing your very first home heating solution, we are here to help. At Cool Air Technologies, we have been installing heating systems for more than twenty years and are familiar with all of the major makes and models. With our team of heating installation experts, you can rest easy knowing you are in safe hands.

Residential Heating Maintenance

Keeping your home heating running optimally will help to extend the life of your system, save you money on your bills and ensure that your home is always heated to your desired temperature. What’s more, regular maintenance of your heating system will also mean fewer repairs being required as time goes on. To ensure that you have a heating system that you can depend on, be sure to get in touch with our team to set up a regular heating maintenance schedule.

KNOWLEDGE, SERVICE & EXPERIENCE YOU CAN RELY ON

BEST PRICE GUARANTEE

  • Deal Direct with the Owner and Save.
  • No commissioned sales people.
  • Our owner will personally present you with a free, no-pressure written estimate.
  • Manufacturers gives us incredible pricing and we pass on our savings to you.

24/7/365 COMFORT GUARANTEE

  • Our promise to keep you comfortable in your home all year long.
  • Previous clients get priority scheduling.
  • We’re here when you need us hvac near me.

THE COOL-AIR DIFFERENCE

  • We have received over 300 Awards based on Price, Service, and Overall Experience.
  • As a small family owned business, we try harder!
  • Award winning technicians.
  • Over 35 years of experience in service to keep your units running optimally and fix them immediately when they break down!

Your Service or Installation Comes with Our 100% Satisfaction Guarantee

We Are Award Winning, Local Family-owned and operated full-service HVAC company.

Cool Air Tech heating and air conditioning pros in Orange County, CA since 1996. Our service areas includes Aliso Viejo, Anaheim Hills, Brea, Costa Mesa, Irvine, Laguna Niguel, Newport Beach, Newport Coast, Tustin, Yorba Linda, and all throughout the Orange County Ca Area.

Orange County Air Conditioning Services, AC & Furnace, Installation & Maintenance Services, Affordable & Reliable OC HVAC Contractor for your Air Conditioning Installation Orange County homes.

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%.
View All
3 Ton Changeout Irvine 1
3 Ton Changeout Irvine
Cool Air Technologies Changeout 3 Ton at Irvine
View All
Coil Condenser Changeout Newport Beach 3
Coil Condenser Changeout Newport Beach
Cool Air Technologies Changeout Coil Condenser at Newport Beach
View All
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.
View All
Irvine whole home hvac system replacement with ductwork 01
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.
View All
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.
View All
tempstar hvac system ductwork replacement yorba linda 01 jpg
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.
View All
high efficiency heater air conditioning replacement anaheim hills 01 jpg
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.
View All
tempstar hvac unit replacement Stanton before 02
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.
View All
home heating and air replacement 01a 1 jpg
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.
View All
home air conditioning replacement 02b 2 jpg
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.
View All
hvac system replacement slimline conderser 04b 2 jpg
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.
View All
hvac system replacement slimline conderser 04a 2
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.
View All
furnace coil and condenser replacement tustin 05a jpg
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.
View All
tempstar furnace coil and condenser replacement 06a jpg
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.
View All
new furnace coil and condenser replacement 07a jpg
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.
View All
heating and cooling systems replacement mission viejo 08a 1 jpg
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.
View All
furnace coil and condenser replacement irvine 09a
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.
View All
high efficiency ac unit climate friendly system upgrade 10a jpg
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.
View All
hvac system replacement fullerton 11b
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.
View All
home ductwork replacement tustin 12b
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.
View All
Anaheim Furnace Coil Condencer Replacement 02
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.
View All
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.
View All
Anaheim Furnace Coil AC Condencer Replacement 01
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.
View All
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.
View All
Anaheim Hills Furnace Replacement 01
Furnace Replacement Anaheim Hills
Cool Air Technologies replaced the furnace with additional metal work on this home in Anaheim Hills.
View All
tempstar furnace
Tempstar New Furnace Installation
Installed new furnace.
View All
tempstar tempstar 3 ton furnace coil and condenser 01
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.
View All

Cool Air Tech Customers Blog

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 is Orange County’s top local residential air conditioning & heating company. We sell, install, repair, and maintain 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 Cool Air Tech 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

REQUEST SERVICE CALL

REPAIR or UNIT REPLACEMENT?

DESCRIBE WHAT YOUR UNIT IS DOING?

© Copyright 2025. All Rights Reserved | Cool Air Tech Orange County Air Conditioning & Heating Services | Sitemap | Hypac Self Storage Honolulu Hawaii

Go to Top