All Air Masters, Inc.
All Air Masters, Inc. is a HVAC provider serving Ontario, CA. Rated 4.9★ with 362 Google reviews. See services, review signals, and request a quote.
HVACOntario, CA
On this page
Company overview
- TradeHVAC
- Service areaOntario, CA
- Google rating4.9★ (362 reviews)
- Phone(909) 399-3222
- Address34 N Central Ave, Upland, CA 91786, USA
- CSLB License791287 (ACTIVE)
Photos
Photos from All Air Masters, Inc., Nathan Stephenson, Liz Solis
What customers say
“I am more than pleased with the excellent job that All Air Masters did in installing my new Slimline A/C unit along with the ducting in the attic and all that goes with it, including the air vents and…”
“Frankie Cruz Came out this morning less than 24 hours after my phone call requesting maintenance and repair. Response time is amazing, Customer Service is fantastic! Frankie is friendly and courteous …”
“Frank and his team were professional and very communicative from start to finish. I had an issue with my central heating and was able to get an appointment as soon as the next day. When I couldn’t mak…”
“We had our 50 year old HVAC system removed and replaced with a brand new HVAC System. Alll Air Masters was great to work with every step of the way. Frank was easy to work with and his crew, led by F…”
“Simply a wonderful job, I thank Bobby and his team for being really helpful and installing our new HVAC exactly how I needed it to be. Both Frank the owner and Bobbies team answered my hundred and one…”
Key highlights
Strengths
- Highly rated (4.9★ average)
- Large review volume (362 reviews)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does All Air Masters, Inc. offer?
All Air Masters, Inc. provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Ontario, CA.
What is All Air Masters, Inc.'s rating?
All Air Masters, Inc. has a 4.9 out of 5 star rating based on 362 Google reviews.
Is this company licensed in California?
Yes. License number: 791287. Status: ACTIVE. You can verify on the Contractors State License Board (CSLB) lookup at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx.
Does All Air Masters, Inc. offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-24. Reviews refreshed 2026-04-24.
Licensing data: Contractors State License Board (CSLB) · Company data: verified business records + Google Business profile
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