McMaster Heating & Air Conditioning, Inc

McMaster Heating & Air Conditioning, Inc has served Irvine and surrounding Orange County communities for years, earning a 4.9-star average across 101 reviews. As a licensed air conditioning and heating contractor, the McMaster team handles residential and light commercial projects across Irvine, Newport Beach, and Costa Mesa. Whether a homeowner needs a routine AC tune-up or a full heat pump replacement, the company structures its work around clear estimates and organized scheduling from its weekday shop hours.

What distinguishes McMaster from neighboring shops is its dual focus on premium equipment and accessible financing. The company carries Carrier products, giving Irvine homeowners access to a major manufacturer lineup with applicable utility rebates. Alongside standard payment options, McMaster arranges Wells Fargo financing and GoGreen financing plans, helping customers manage larger installations without deferred maintenance. These programs reflect a deliberate effort to remove financial friction for homeowners weighing a replacement versus continued repairs on aging systems.

Mike Numumoto collected three competing bids before choosing McMaster for a rental property install, finding the quote the most competitive for identical equipment. Michael Wells replaced his entire system with a heat pump just days before Christmas, praising every team member from the first call through city inspection. Owner Ron personally conducted Tony Torr's in-home estimate within an hour of the request, then scheduled Al and Dillon for installation the following week, with the crew demonstrating efficient, courteous work and cleanup before departing.