McMaster Heating & Air Conditioning, Inc
Irvine, CA HVAC · #2 of 3 · NATE-certified · 30+ yrs
At a glance
- Google rating
- 4.9★ from 100+ reviews
- In business
- 30+ years
- Services
- 8 HVAC services
- Service area
- Irvine, CA + 4 nearby
- Phone
- +1-949-481-7995
McMaster Heating & Air Conditioning, Inc as a HVAC provider
Irvine, CA HVAC · #2 of 3 · NATE-certified · 30+ yrs
McMaster lists AC repair as a core specialty, backed by extensive installation work. The company advertises NATE-certified technicians and ongoing technical training. McMaster is a Carrier Factory Authorized Dealer with multiple Carrier awards mentioned. Irvine's warm summers make efficient AC performance essential for homeowners here.
Residential and light-commercial HVAC services across Orange County, focused on AC repair and installations. NATE-certified technicians, per their site. Carrier Factory Authorized Dealer status, per their site. Fast response times, often within 24 hours (per their site).
Above the Irvine, CA HVAC average of 76/100. Ranks #2 of 3 listed HVAC providers in Irvine, CA.
| Signal | McMaster Heating & Air Condit… | Irvine avg | Delta |
|---|---|---|---|
| Vouched Score | 79/100 | 76/100 | +3 vs avg |
| Google rating | 4.9★ | 4.8★ | +0.1 vs avg |
| Review volume | 100+ | 155+ | -56 vs avg |
| Years in business | 30+ | 19+ | +11 vs avg |
- High Google rating (4.9★ across 100+ reviews)
- Long-established (30+ years in business)
- Authorized Carrier Factory Authorized Dealer
- NATE-certified technicians
- Emergency response: 24/7
- Financing available
- Free estimates
- Maintenance plans available
- Indoor air quality services
- Mini-split system specialist
- Specializes in AC repair
- You need AC system replacement
- You need mini-split installation
- You need AC repair
- You value a long-tenured local operator (30+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
McMaster Heating & Air Conditioning, Inc (this company) |
79/100 | 4.9★ (100+) | 30+ | — | — | — |
| 68/100 | 4.6★ (140+) | 20+ | — | — | — | |
| 81/100 | 5.0★ (225+) | 6+ | — | — | Best for Mini-Splits / Ductless Best for Ductwork & Sealing Best for Smart Thermostat Install |
McMaster Heating & Air Conditioning, Inc as a Furnace Repair provider
Irvine, CA Furnace Repair · #1 of 4 · NATE-certified · 30+ yrs
McMaster Heating & Air lists Carrier Factory Authorized Dealer status and NATE certification. The company reports serving Orange County since 1996, over 30 years. McMaster notes fast response times, often within 24 hours, for no-heat calls. McMaster advertises financing options with Wells Fargo and GoGreen programs. Local rebates and Irvine utility rebate alignment appear on their service pages.
Furnace repair and diagnostics for Irvine homes, focused on heater/furnace service and tune-ups. NATE Certified technicians are listed on their site as ongoing-trained staff. Carrier Factory Authorized Dealer status is noted along with Carrier award recognition. Emergency response is advertised as 24/7 for no-heat situations.
Above the Irvine, CA Furnace Repair average of 73/100. Ranks #1 of 4 listed Furnace Repair providers in Irvine, CA.
| Signal | McMaster Heating & Air Condit… | Irvine avg | Delta |
|---|---|---|---|
| Vouched Score | 79/100 | 73/100 | +6 vs avg |
| Google rating | 4.9★ | 4.8★ | +0.1 vs avg |
| Review volume | 100+ | 135+ | -36 vs avg |
| Years in business | 30+ | 15+ | +15 vs avg |
- High Google rating (4.9★ across 100+ reviews)
- Long-established (30+ years in business)
- Authorized Carrier Factory Authorized Dealer
- NATE-certified technicians
- Emergency response: 24/7
- Financing available
- Free estimates
- You need no-heat / emergency furnace repair
- You need furnace tune-up & maintenance
- You need commercial furnace repair
- You need same-day or after-hours service
- You want manufacturer-warranty installation work
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
McMaster Heating & Air Conditioning, Inc (this company) |
79/100 | 4.9★ (100+) | 30+ | — | — | Best for Commercial Furnace Repair Best NATE-Certified Shop Best Manufacturer-Authorized Repair |
| 78/100 | 5.0★ (225+) | 6+ | — | — | — | |
| 69/100 | 4.9★ (75+) | 5+ | — | — | Best for Gas Valve & Combustion Repair | |
| 65/100 | 4.6★ (140+) | 20+ | — | — | — |
McMaster Heating & Air Conditioning, Inc as a AC Replacement provider
Irvine, CA AC Replacement · #1 of 3 · NATE-certified · 30+ yrs
McMaster Heating & Air states full central AC system replacement with Carrier installations. The company notes Carrier Factory Authorized Dealer status. McMaster lists NATE-certified technicians and long-tenured installers. The site advertises AHRI-matched systems and rebate paperwork handling. McMaster ties services to Irvine's warm coastal climate and local rebate programs.
McMaster Heating & Air performs central AC replacement (best AC replacement companies in Irvine, CA)s in Irvine, focused on Carrier systems. Carrier Factory Authorized Dealer, per their site. NATE-certified technicians are listed, with installers reporting 15–40 years' experience. AHRI-matched systems, free estimates, and financing options are advertised.
Above the Irvine, CA AC Replacement average of 76/100. Ranks #1 of 3 listed AC Replacement providers in Irvine, CA.
| Signal | McMaster Heating & Air Condit… | Irvine avg | Delta |
|---|---|---|---|
| Vouched Score | 78/100 | 76/100 | +2 vs avg |
| Google rating | 4.9★ | 5.0★ | -0.1 vs avg |
| Review volume | 100+ | 135+ | -34 vs avg |
| Years in business | 30+ | 14+ | +16 vs avg |
- High Google rating (4.9★ across 100+ reviews)
- Long-established (30+ years in business)
- Authorized Carrier Factory Authorized Dealer
- NATE-certified technicians
- Emergency response: same-day
- Financing available
- Free estimates
- You need same-day AC replacement
- You need high-efficiency AC replacement
- You need same-day or after-hours service
- You want manufacturer-warranty installation work
- You need to finance the work
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
McMaster Heating & Air Conditioning, Inc (this company) |
78/100 | 4.9★ (100+) | 30+ | — | — | Best AHRI-Matched Systems Best for High-Efficiency Upgrades Best Manufacturer-Authorized Installer |
| 78/100 | 5.0★ (225+) | 6+ | — | — | Best for Commercial AC Replacement | |
| 72/100 | 5.0★ (75+) | 5+ | — | — | — |
McMaster Heating & Air Conditioning, Inc as a Mini-Split Installation provider
Irvine, CA Mini-Split Installation · NATE-certified · 30+ yrs
Carrier Factory Authorized Dealer status appears throughout their site and promotions. NATE-certified technicians staff installations and service calls. Company website notes financing and free estimates for new installs. McMaster ties rebate compliance to local Orange County programs and permit workflows. Customers on-site reviews praise timely arrival and follow-up service.
Ductless mini-split installation and repair for Irvine and Orange County homes and light commercial sites. Carrier Factory Authorized Dealer status appears on their site and marketing materials. NATE-certified technicians with many installers reporting 15–40 years' experience. Free estimates and financing options are advertised for new installations.
- High Google rating (4.9★ across 100+ reviews)
- Long-established (30+ years in business)
- Authorized Carrier Factory Authorized Dealer
- NATE-certified technicians
- Emergency response: 24/7
- Financing available
- Free estimates
- You need commercial VRF installation
- You need same-day or after-hours service
- You want manufacturer-warranty installation work
- You need to finance the work
- You have a commercial property
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
McMaster Heating & Air Conditioning, Inc (this company) |
77/100 | 4.9★ (100+) | 30+ | — | — | Best for Whole-Home Mini-Split Installation Best Manufacturer-Authorized Installer Best for Commercial / VRF |
| 77/100 | 5.0★ (225+) | 6+ | — | — | — |
McMaster Heating & Air Conditioning, Inc as a Indoor Air Quality provider
Irvine, CA Indoor Air Quality · #2 of 3 · NATE-certified · 30+ yrs
Air purification and ERV/HRV ventilation are listed as core whole-home IAQ services on the site.
Whole-home indoor air quality installs and ERV/HRV ventilation across Orange County, focused on Irvine homes. NATE-certified technicians, notes the site, with installers reporting 15–40 years experience. Carrier Factory Authorized Dealer status and named whole-home air purifiers are listed on their site. Free estimates on new installations and financing options, per the website, are available.
Above the Irvine, CA Indoor Air Quality average of 74/100. Ranks #2 of 3 listed Indoor Air Quality providers in Irvine, CA.
| Signal | McMaster Heating & Air Condit… | Irvine avg | Delta |
|---|---|---|---|
| Vouched Score | 76/100 | 74/100 | +2 vs avg |
| Google rating | 4.9★ | 4.8★ | +0.1 vs avg |
| Review volume | 100+ | 155+ | -56 vs avg |
| Years in business | 30+ | 19+ | +11 vs avg |
- High Google rating (4.9★ across 100+ reviews)
- Long-established (30+ years in business)
- Authorized Carrier Factory Authorized Dealer
- NATE-certified technicians
- Emergency response: 24/7
- Financing available
- Free estimates
- You want manufacturer-warranty installation work
- You need to finance the work
- You value a long-tenured local operator (30+ years in business)
- You want NATE-certified technicians
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
McMaster Heating & Air Conditioning, Inc (this company) |
76/100 | 4.9★ (100+) | 30+ | — | — | — |
| 78/100 | 5.0★ (225+) | 6+ | — | — | — | |
| 69/100 | 4.6★ (140+) | 20+ | — | — | Best for UV-C Sterilization |
McMaster Heating & Air Conditioning, Inc as a Furnace Replacement provider
Irvine, CA Furnace Replacement · NATE-certified · 30+ yrs
Furnace replacement specialist with routine Carrier installations and efficiency-focused changeouts.
Heating contractor in Irvine focused on furnace replacement and Carrier product installations.
- High Google rating (4.9★ across 100+ reviews)
- Long-established (30+ years in business)
- Authorized Carrier Factory Authorized Dealer
- NATE-certified technicians
- Emergency response: 24/7
- Financing available
- Free estimates
- You need furnace + AC system replacement
- You need same-day furnace replacement
- You need high-efficiency furnace replacement
- You need same-day or after-hours service
- You want manufacturer-warranty installation work
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
McMaster Heating & Air Conditioning, Inc (this company) |
75/100 | 4.9★ (100+) | 30+ | — | — | Best for High-Efficiency (95%+ AFUE) Upgrades Best for Furnace + AC Changeout Best Manufacturer-Authorized Installer |
| 74/100 | 5.0★ (225+) | 6+ | — | — | — |
What customers say
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
- Heat Pump Service
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Duct Work — Ductwork inspection, sealing, and replacement — addresses leakage, undersized runs, and uneven room temperatures.
Service area
Irvine, CA home · Replacement Irvine, CA 4 mi · Split Install Irvine, CA 4 mi · Services Irvine, CA 5 mi · Repair Irvine, CA 4 mi
Guarantees & credentials
- Licensed
- NATE-Certified
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
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Profile last updated July 18, 2026.