Air Conditioner Repair & Service
By McMaster Air & Heat
McMaster Air & Heat is your trusted local expert for air conditioner repair and service near Irvine, CA, We specialize in keeping your home comfortable with fast, reliable AC solutions. Our skilled technicians are trained to handle all makes and models, ensuring your AC runs efficiently year-round.
What Does The Process Look Like?
Book an Appointment
To start the process, book an appointment for air conditioner repair and service with us by scheduling online or giving us a call.
Evaluation & Estimate
During your appointment, a certified technician will thoroughly evaluate your air conditioner to diagnose any issues. After the inspection, they will provide a detailer estimate outlining the necessary repairs and costs before proceeding with any work.
Perform Service or Repair
Necessary repairs or service are performed to restore your air conditioner’s efficiency and performance. A certified technician will use professional tools and high-quality parts to ensure reliable operation and long-lasting results.
Other Services We Provide
Furnace Repair & Service
We provide professional furnace repair and service to keep your heating system operating at peak performance. Our certified technicians can identify problems, perform necessary repairs, and fine-tune your system to keep you comfortable all year long.
HVAC Maintenance
We provide annual HVAC maintenance to keep your heating and cooling system running efficiently year-round. Regular tune-ups help prevent breakdowns, can improve energy efficiency, and extend the lifespan of your heating and cooling equipment.
HVAC System Installation
Let us ensure reliable comfort and energy efficiency for your home with professional HVAC system installation. We offer high-quality Carrier equipment, precise HVAC installation, and customized solutions to meet your heating and cooling needs.
Trusted HVAC Professional in Irvine
Verified PurchaseExcellent
August 25, 2025
Look no further! After 35 years we finally had to replace our HVAC system. We were fortunate to have two of our neighbors recommend McMaster Heating & Air Conditioning. Ron was at our doorstep with a wealth of information & recommendations. Needless to say, after 35 years we had so many questions. Communication was excellent, and the office staff were always ready to listen and assist us. George & Al did a phenomenal job installing our new HVAC.
Working with Ron and the entire MacMaster team exceeded our expectations.
Thank you, Frank & Chris Woodbridge, Irvine
Christine
Expertise (5)
Solve Problems (5)
Service (5)
Verified PurchaseExcellent and professional services, great resources.
May 07, 2025
Fast responses, great and well organized company. Best owner managerial expertise.
Victor
Expertise (5)
Solve Problems (5)
Service (5)
Verified PurchaseUpgrade to a heat pump
April 09, 2025
Great service, I contacted the company and the owner called me back and worked out a proposal over the phone followed up with knowledgeable technician to verify the Carrier heat pump will work in our house. After installation support was prompt also. We will use them again for future needs.
Albert
Expertise (5)
Solve Problems (5)
Service (5)
Verified PurchaseFantastic Service!!!
January 25, 2023
McMaster is an excellent company to work with. They provide a VERY high level of customer service, they are very responsive, everybody I dealt with is quite personable, and they did a fantastic job installing our new Carrier furnace. I will use them again for any future HVAC needs.
Jeff
Expertise (5)
Service (5)
Solve Problems (5)
Verified PurchaseCool Again in Huntington Beach
August 30, 2022
Ron was very helpful in the design phase, and the crew did an excellent job with the installation, on schedule and on budget.
Brad
Expertise (5)
Service (5)
Solve Problems (5)
Verified PurchaseInstall
October 08, 2018
Great skills and friendly guys.
Richard
Expertise (5)
Service (5)
Solve Problems (5)