McMaster

At McMaster Heating & Air Conditioning, we pride ourselves on being Orange County's go-to HVAC experts. With over 28 years of experience, we have earned a reputation for delivering exceptional quality, reliability, and customer satisfaction. Our commitment to excellence has earned us numerous prestigious awards, including multiple Carrier President's Awards.

Our Story

Founded in 1996, McMaster Heating & Air Conditioning is a locally owned and operated business with a deep understanding of the unique challenges and needs of Orange County residents and businesses. Our highly trained and certified technicians are dedicated to providing expert HVAC services, from installation to repair and maintenance. With an average rating of 4.5 to 5 stars from over 200 reviews, our customers can trust us to get the job done right.

What Sets Us Apart

As a Carrier Factory Authorized Dealer, we have demonstrated our commitment to delivering exceptional comfort, value, and customer satisfaction. We employ NATE-certified technicians and are constantly updating our knowledge of the latest HVAC technologies and best practices. Our highly experienced installers and service techs have over 10 years of experience, ensuring that every customer receives personalized attention and customized solutions.

Our Services

We offer a comprehensive range of HVAC services, including:

• Residential HVAC Services:

+ Air Conditioner Installation and Replacement

+ Air Conditioner Repair and Maintenance

+ Heater/Furnace Installation and Repair

+ Home Performance Testing

+ Whole-Home Air Purification and Ventilation

+ Ductless Mini-Split System Repair and Installation

• Commercial/Industrial HVAC Services:

+ HVAC System Design and Installation

+ Ventilation System Design and Installation

+ Air Purification System Installation

+ HVAC Equipment Replacement and Repairs

+ HVAC Retrofitting for Tenant Improvements and Remodels

+ Custom Fan Coil Unit Installation

+ Sheet Metal Ducting Design and Installation

+ HVAC System Maintenance - Biannually, Quarterly, and Monthly

Testimonials

Our satisfied customers rave about our exceptional services:

• "I had McMaster install an air conditioner in a rental home in May 2015 and they did a good job. I have waited until now before writing a review as I wanted to see if we had any problems. Through all the heat this summer not one problem. I am very satisfied and will use them again."
• "These guys are great. Very professional in manner and in the quality of their work. They are also very down to earth with their recommendations. Great quality installation. Met rebate compliance for Energy Upgrade California program."
• "I recently had McMaster air replace my older a/c and furnace with newer more efficient units, what a difference, why didn't I do this sooner! I highly recommend them."

Why Choose McMaster Heating & Air

• Award-Winning Carrier Factory Authorized Dealer
• Thousands of Satisfied Customers
• Locally Owned, Licensed HVAC Company
• We Employ NATE-Certified Technicians
• Efficiency Rating Guaranteed for All New Installs
• Customized Solutions for Each Client's Unique Needs and Budget
• Expert Service and Repair for All Makes and Models
• Fast Response Times - Often Within 24 Hours

Get in Touch

At McMaster Heating & Air Conditioning, we're dedicated to delivering maximum indoor comfort at the best price. Contact us today to schedule service, request a free estimate, or learn more about our comprehensive HVAC services.