Laguna Niguel’s Best Choice for Reliable Heating &
Air Conditioning Services

McMaster Heating & Air is a licensed, full-service HVAC company that provides reliable heating and air conditioning services to Laguna Niguel residents and businesses. Since 1996, we’ve earned a loyal customer base, which is reflected in our positive online reviews. We are known throughout the local area for our expertly performed air conditioning and heating sales, installation, repairs, and maintenance services. We also offer an unbeatable value on home performance testing, indoor air quality solutions, ventilation systems, energy efficiency upgrades, HVAC retrofitting for tenant improvements and remodels, and ductless mini-split system installation, maintenance, and repairs.

We’re Proud to Be Laguna Niguel’s Preferred
Carrier Factory Authorized Dealer

McMaster Heating & Air is an award-winning Carrier Factory Authorized Dealer with extensive knowledge of their commercial and home air conditioning, heating, and ventilation systems, including furnaces, heat pumps, rooftop units, thermostats, ductless mini-splits, and air purifiers. In addition to having factory-direct access to their full line of Infinity®, Performance®, and Comfort® lines, we also have a large local inventory of Carrier replacement parts. When you choose to work with a Carrier dealer, you can trust that you are working with the best of the best. As a 10-time winner of Carrier’s President’s Award, our team of skilled experts has demonstrated our commitment to customer satisfaction, business management, and operational excellence.

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Commercial Heating & Air Conditioning Design, Installation, Replacement & Tenant Improvements In or Near Laguna Niguel

Over the years, we’ve met the commercial HVAC needs of clients like 7-Up Bottling Company, Jurgens, and Sunkist, as well local area warehouses, churches, schools, manufacturing plants, industrial facilities, retail stores, offices, and more.

Our comprehensive commercial heating and air conditioning services include HVAC retrofits, energy-efficiency updates, tenant improvements, custom fan coil unit installation, sheet metal ducting and design, and air purification system installation. We provide prompt repair to prevent unnecessary downtime for your business. To help prevent system failure, we also offer cost-effective quarterly, biannual, or monthly maintenance plans. To show our gratitude to our clients who choose us for their hvac system installation, we provide priority scheduling for service appointments.