Find and Invite the Best Commercial HVAC Contractors in Ontario, CA

Tired of outdated contact lists and the hassle of calling to check bidding intent? Simplify your bidding process with Downtobid's modern commercial contractor database. Access up-to-date, vetted profiles and ensure you connect with the right trades.

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75 Verified HVAC companies in Ontario, CA

Downtobid vets each subcontractor's specialties, capabilities, and contact details for complete accuracy.

Dena Air logo

Dena Air

11034 White Oak Ave. Granada Hills, CA 91344

Verified


6 miles from Ontario, CA

Website

Call

WebsiteCall
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Air Control Systems logo

Air Control Systems

1940 S. Grove Ave. Ontario, CA 91761

Verified


Specializations (9)

Distribution Center

Education

Grocery

Healthcare

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AC Plus Heating & Air logo

AC Plus Heating & Air

14615 Palmdale Rd. Victorville, CA 92392

Verified


Specializations (1)

Grocery

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Kashou Climate Control logo

Kashou Climate Control

1240 E. Ontario Ave. Ste. 102 Corona, CA 92881

Verified


7 miles from Ontario, CA

Specializations (1)

Grocery

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Control Air logo

Control Air

Anaheim, CA 92808

Control Air is a 100% employee-owned mechanical and plumbing contractor based in California, with over 46 years of experience. The company specializes in custom design, engineering, in-house fabrication, installation, building controls, maintenance, and ongoing service for commercial HVAC and Plumbing mechanical systems.

Verified


14 miles from Ontario, CA

Specializations (9)

Education

Financial

Healthcare

Higher education

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Seacliff Mechanical Services logo

Seacliff Mechanical Services

Los Alamitos, CA 90720

Seacliff Mechanical Services, based in Orange County, California, provides HVAC/R services including construction, retrofit, repair and maintenance to businesses and government facilities in Southern California and globally. The company specializes in commercial, industrial, restaurant, healthcare, marine, offshore and manufacturing sectors, offering services 24/7.

Verified


14 miles from Ontario, CA

Specializations (6)

Education

Healthcare

Higher education

Military

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EMCOR Services Mesa Energy logo

EMCOR Services Mesa Energy

Irvine, CA 92617

EMCOR Services Mesa Energy is a licensed, full-service HVAC, building automation, and retrofit contractor that provides high-quality mechanical, commercial HVAC, and building automation services. The company also offers energy solutions and indoor air quality solutions, and has experience in a range of industries including commercial, biotech/healthcare, entertainment/hospitality, education, and technology.

Verified


14 miles from Ontario, CA

Specializations (12)

Education

Federal Government

Government

Grocery

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Faith Air & Heating logo

Faith Air & Heating

26826 Neff Ct. Canyon Country, CA 91351

Verified


6 miles from Ontario, CA

Specializations (2)

Financial

Grocery

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Penn Air Group logo

Penn Air Group

Cypress, CA 90630

Penn Air Group is a company that provides HVAC services, including testing, balancing, remediation, and indoor air quality improvement. They also offer services in infection control, environmental and industrial hygiene, kitchen exhaust, and government contracts.

Verified


14 miles from Ontario, CA

Specializations (10)

Airport

Federal Government

Government

Healthcare

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PPC logo

PPC

5950 Lakeshore Dr. Cypress, CA 90630

PPC Mechanical Contractors is a premier provider of plumbing, piping, and HVAC construction services. The company, which has been operating since 1973, has earned a reputation as a highly respected and sought-after mechanical contractor.

Verified


14 miles from Ontario, CA

Specializations (9)

Education

Fitness

Healthcare

Higher education

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Service Air Conditioning logo

Service Air Conditioning

18432 W Oxnard St, Tarzana, CA 91356

Verified


6 miles from Ontario, CA
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Cool Air Solutions logo

Cool Air Solutions

41162 Sandalwood Cir. Ste. 101 Murrieta, CA 92562

Cool Air Solutions is a Southern California-based HVAC company specializing in air conditioning, heating, and indoor air quality solutions, including energy efficiency and virus defense systems. They offer a range of services and products, with a commitment to customer satisfaction and a hassle-free online scheduling system.

Verified


7 miles from Ontario, CA

Specializations (11)

Correctional

Education

Federal Government

Government

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Sol-Aire Air Conditioning logo

Sol-Aire Air Conditioning

26810 Oak Ave, Ste H, Canyon Country, CA 91351

Sol-Aire Air Conditioning Co. is a family-owned and operated HVAC service provider based in Canyon Country, California. With over 40 years of professional experience, the company offers a range of services including heating and cooling system installation, repair, and maintenance, as well as indoor air quality and home ventilation services.

Verified


6 miles from Ontario, CA

Specializations (3)

Financial

Military

Office Building

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Crandall's Plumbing, Heating & AC logo

Crandall's Plumbing, Heating & AC

18291 Gothard St Suite 102, Huntington Beach, CA 92648

Crandall's Plumbing, Heating & AC, established in 2009 and based in Huntington Beach, CA, is an owner-operated, licensed, bonded, and insured plumbing and HVAC corporation offering residential and commercial services with a fleet of trucks servicing Orange, Los Angeles, Riverside, and San Bernardino counties.

Verified


14 miles from Ontario, CA

Specializations (1)

Tenant Improvements

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Santa Clarita Custom Air logo

Santa Clarita Custom Air

23870 Pine St building 1, Newhall, CA 91321

Verified


6 miles from Ontario, CA

Specializations (1)

Grocery

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Related Trades

HVAC Piping and Pumps

Refrigerant Piping

HVAC Air Distribution

HVAC Air Cleaning Devices

Central Heating Equipment

Central Cooling Equipment

Central HVAC Equipment

Decentralized HVAC Equipment

What the Early Adopters are Saying About Downtobid

"We have used Downtobid for our ITBs and so far our experience has been very positive. It has saved me time on the initial page turn and I really like the number of responses we're starting to see from our subcontractors!"

Robyn LynnMRI Builders

"The first time our company was able to travel outside Atlanta! Bidding in a new market and wasn't getting any hits on Drywall. Requested a boost and with 5 days I had 2 committed bidders and 1 submission. Using them on my next project."

Zalmy KavkaFounder, ZK Builders

""I love, the personalization of it. You get it more directed towards the contractors that we need. You, make it a little more personal than putting it on Blue Book or Planhub or anything like that. You let us communicate with the subcontractors, so we can narrow it down from what you've already narrowed it down from. We get more, more specific, more detailed quotes, more the correct quotes that we're looking for from you guys as opposed to maybe other places.""

Ryan PastorEstimator at George H. Pastor and Sons General Contracting

What the Early Adopters are Saying About Downtobid

"We have used Downtobid for our ITBs and so far our experience has been very positive. It has saved me time on the initial page turn and I really like the number of responses we're starting to see from our subcontractors!"

Robyn LynnMRI Builders

"The first time our company was able to travel outside Atlanta! Bidding in a new market and wasn't getting any hits on Drywall. Requested a boost and with 5 days I had 2 committed bidders and 1 submission. Using them on my next project."

Zalmy KavkaFounder, ZK Builders

""I love, the personalization of it. You get it more directed towards the contractors that we need. You, make it a little more personal than putting it on Blue Book or Planhub or anything like that. You let us communicate with the subcontractors, so we can narrow it down from what you've already narrowed it down from. We get more, more specific, more detailed quotes, more the correct quotes that we're looking for from you guys as opposed to maybe other places.""

Ryan PastorEstimator at George H. Pastor and Sons General Contracting

FAQs

What is Downtobid and how can it help find HVAC professionals in Ontario, CA?

Downtobid is a platform that helps you find HVAC contractors in Ontario, CA and submit bid requests for your projects. You provide project details, and the contractors respond with their bids through the platform.


Requesting bids from Ontario, CA-based HVAC contractors

You can invite a contractor directly through our platform. Visit the contractor’s profile and click ‘Invite to Bid.’ Fill out the project details, including scope, timeline, and specific needs. Contractors in Ontario, CA will then respond with their bids. It’s often helpful to call contractors after submitting a request, especially if your project is urgent.


Contractor verification process on Downtobid

Downtobid sets itself apart by verifying each contractor through a multi-step process. We use AI to ensure that contractor information, including trades, is accurate. We cross-check details using databases, public records, and Google Maps to confirm that businesses are active and their contact information is up-to-date before listing them.


Essential information for HVAC project bid requests

When submitting a bid request, include clear details about your project, such as materials needed, deadlines, and any specific requirements. The more specific you are, the better the contractor can assess and quote the job accurately.


Tips for contacting local HVAC professionals

If your project is urgent, it’s a good idea to call the contractor directly after submitting a bid request. This helps ensure they understand the timeline and scope of work, especially if immediate service is needed.


Managing bids for large-scale HVAC projects

If you have a larger project and don’t want to contact each contractor individually, you can reach out to us directly. We offer an ITB (Invitation to Bid) platform where you can manage bids from multiple contractors at once.


Expected response times from Ontario, CA contractors

Most HVAC contractors will respond within 24-48 hours, depending on the complexity of your request. However, response times may vary – so be sure to follow up!

Quick stats about HVAC companies database in Ontario, CA

Total contractors

555 contractors

Total union contractors

16 union contractors

Total non union contractors

401 non union contractors

Total minority owned businesses

19 minority owned businesses

Total women owned businesses

6 women owned businesses

Average response time

3 days

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