Mission Viejo’s Experts in Heating & Air Conditioning Services

McMaster Heating & Air is a licensed, full-service heating and air conditioning company that proudly serves Mission Viejo and surrounding areas. We are committed to providing local area homeowners, businesses, contractors, and property managers with the best value in heating and air conditioning installation, replacement, repair, and maintenance services. We also specialize in indoor air quality solutions, ventilation, ductless mini-split systems, home performance testing, energy efficiency upgrades, and HVAC retrofitting for tenant improvements & remodels.

Since 1996, we have met the heating and cooling needs of thousands of satisfied customers in and near Mission Viejo. They have come to know us for our exceptional quality workmanship, honest business practices, and commitment to customer satisfaction. As a testament to the quality of our work, we have earned an A+ rating with the Better Business Bureau and excellent online reviews.

Call McMaster today to tell us about your HVAC needs! We offer heating and air conditioning service throughout Mission Viejo Monday through Friday, 8:00 a.m. to 5:00 p.m., Saturday 9:00 a.m. to 2:00 p.m.

Request Appointment

Licensed & Experienced Commercial HVAC Contractor
Near Mission Viejo

Our owner, Ron McMaster, has over four decades of experience in industrial and commercial heating and air conditioning services. With his expertise and our team of highly trained, NATE-certified technicians, McMaster Heating & Air is qualified to meet the HVAC needs of a broad range of commercial and industrial properties, including warehouses, churches, schools, manufacturing plants, industrial facilities, retail stores, offices, and more. Our specialties include the following:

Learn More About Our Commercial HVAC Services

Energy-Efficient Carrier Air Conditioning & Heating Systems Installed in Mission Viejo Homes by Factory Trained Technicians

If you’re ready to begin your residential HVAC project, give us a call today. We offer free on-site estimates for new installations anywhere in Mission Viejo and can guide you through available rebates and convenient financing options subject to credit approval. We’ll also back your new investment with a 100% customer satisfaction guarantee for one year and a 10-year parts limited warranty.

Additionally, to show how much we appreciate our customers who choose us as their heating and air conditioning installation contractor, we automatically consider them preferred customers. Our preferred customers always get priority repair service. In most cases, we’re able to get to them the same day or within 24 hours.

Fast, Dependable Air Conditioner & Furnace Repair
Throughout Mission Viejo

At McMaster Heating & Air, we are dedicated to providing fast, reliable heating and air conditioning repair services to our Mission Viejo clients. With NATE-certified service techs, state-of-the-art diagnostic tools, well-stocked service vehicles, and a large local inventory of replacement parts, we’re well-qualified to accurately diagnose, repair, and maintain nearly all major makes and models of furnaces, air conditioners, mini-splits, heat pumps, rooftop units, and commercial systems (up to 40 tons). We will always take the time to discuss our findings with you and provide honest recommendations so that you can make an informed decision based on your circumstances and your budget. Give us a call today. We’re available Monday through Friday, from 8 am to 5 pm, and we have techs on standby to address after-hours emergencies.

Ask About Our HVAC Tune-Ups and Preventative Maintenance Agreements for Mission Viejo Homeowners and Businesses

McMaster Heating & Air offers 30-point inspections and tune-ups for all furnace and air conditioner brands, including but not limited to Carrier, Bryant, Rheem, York, American Standard, Fujitsu, Trane, Mitsubishi Electric, Daikin, Goodman, and Lennox. For the best value in heating and air conditioning preventative maintenance services, we encourage our Mission Viejo customers to consider joining our cost-effective preventative maintenance program. Available to residential and commercial clients, our maintenance agreements are fully customized to the specific make and model of HVAC equipment in your home or business. For example, we typically recommend biannual tune-ups for homeowners–one visit in the spring and another in the fall. Meanwhile, a commercial system that is used 365 days a year might require quarterly or monthly maintenance to run reliably, efficiently, and safely year-round.

Avoid the costs and inconvenience of a system failure, and call McMaster Heating & Air today.

Whole-Home HVAC System Performance Testing in
Mission Viejo, CA

McMaster Heating & Air also offers whole-home performance testing to assess if your HVAC system is performing optimally. This service includes energy-efficiency testing, acoustical and airflow testing, and air cleaner testing. With our in-depth performance testing, we’re able to identify and address any issues with your HVAC system before they develop into more costly problems.

Call Today to Schedule an Appointment