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We Looked at 45 HVAC Professionals serving Ontario and Picked the Top 6

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Why These HVAC Professionals?

Our goal is to connect people with the best local experts. We scored hvac professionals on more than 25 variables across five categories, and analysed the results to give you a hand-picked list of the best hvac professionals in Ontario, CA.

ReviewedCuratedTop Picks45296

Our Selection Criteria:

  • 1. Reputation

    A history of delighted customers and outstanding service.

  • 2. Credibility

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Experience

    Masters of their craft, based on years of practical experience and education.

  • 4. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Cooper Heating and Air Conditioning

Cooper Heating and Air Conditioning is an HVAC installation and repair company serving the Southern California areas including San Bernardino County and Moreno Valley, California. They pride themselves on their low-cost services and competitive rates as well as their quality customer care. They offer energy-efficient systems for both residential and commercial buildings as well as maintenance, repairs, and installations for all HVAC systems. Other services include preventative annual maintenance plans to keep cooling and heating systems running smoothly. They offer free quotes for first-time customers. Past customers highly recommend Cooper Heating and Air Conditioning for their professional, honest and quick work.

Rialto, CA(909) 228-7445


Magnison and Moen Air Conditioning, Inc.

Located in Ontario, California, Magnison & Moen, Inc. has been providing heating and cooling solutions for residential and commercial clients throughout Southern California since 1968. Experienced, certified, and well-trained technicians specialize in the maintenance, repair, and installation of all makes and models of air conditioners and furnaces. Utilizing superior Carrier products and Puron refrigerants, they deliver communicative, detail-oriented, and high-quality service and remain committed to ensuring the safety and integrity of all HVAC systems. Magnison & Moen, Inc. offers free estimates, a variety of planned service agreements, and honest and fair flat-rate billing. Many five-star reviews laud the prompt, courteous, and knowledgeable staff and reasonable prices.

Ontario, CA(909) 947-3187


Marathon Mechanical

Marathon Mechanical, located in Pomona, California, is a locally owned, full-service HVAC services provider. They specialize in both residential and commercial systems and have more than two decades of industry experience. In 1992, Ralph Walter founded Marathon Mechanical as a one-man shop but quickly grew to meet the increasing demands of the area. Because of Ralph's exceptional reputation, Marathon Mechanical still serves a majority of the same customers from 1992. Ralph and his team stand behind a 100% money-back guarantee and are completely confident in their services and workmanship. Marathon Mechanical can install, maintain, and replace air conditioners, air exchangers, boilers, dehumidifiers, energy-saving thermostats, furnaces, humidifiers, air filtration systems, zoning systems, evaporator coils, heating units, supply and exhaust fans, and much more.

Pomona, CA(909) 208-5132


Marcos’ Heating & Air Conditioning

​Based in Ontario, California, Marcos Air Conditioning & Heating has been a leading provider of top-quality and reliable heating, cooling, and ventilation services for residential and commercial clients in the entire Entire Inland area for over twenty years. They have established a strong reputation within and outside the community when it comes to quality service, prompt response to service calls, and reasonable rates. Their team of highly skilled and professional technicians expertly handle repair, replacement, and installation services of a wide variety of HVAC systems including ventilators, air conditioners, gas furnaces, heat pumps, and gas and electric heaters. They also carry a full line of indoor air quality products including humidifiers, zoning systems, air purifiers, and ultraviolet lights. Marcos Air Conditioning & Heating is a fully licensed and bonded company.

Ontario, CA(951) 205-5421


The Climate Controllers

The Climate Controllers is a Pomona veteran- and family-owned and operated business that serves residential and commercial customers in San Diego County, Orange County, San Bernardino County, Riverside County, and Los Angeles County. The business has more than 20 years of experience. Residential services The Climate Controllers offers include heating and air conditioning installation, repair, tune-ups, maintenance, replacement, and service, duct cleaning, and sales. Commercial customers include restaurants, shopping malls, repair shops, office buildings, doctor’s offices, and government buildings. The technicians work with all makes and models. The Climate Controllers is licensed, bonded, and insured. The business offers financing and the majority of their customers come from returning customers and referrals. Customers remark on their professionalism, prices, responsiveness, and reliability.

Pomona, CA(909) 713-3080


W.E.D.O. Air Conditioning and Heating

W.E.D.O. Air Conditioning and Heating is a family-owned and operated business that has been serving residential and commercial customers in Chino and surrounding areas for more than 31 years. The business provides services such as heating installation and repair, air conditioning installation and repair, HVAC installation and repair, refrigeration, duct work, and metal fabrication. W.E.D.O. Air Conditioning and Heating has a sheet metal fabrication shop. W.E.D.O. Air Conditioning and Heating has a 24 hour service line. The technicians are 410A Certified, EPA Certified, and are NATE trained. W.E.D.O. Air Conditioning and Heating is licensed and insured and provides free quotes on new installations. Customers remark on their prices, honesty, professionalism, quick service, responsiveness, and customer service.

Chino, CA(909) 548-4866


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