3 Best HVAC Services in Ontario, CA

“Diamond Air Services is a locally owned and operated company. Their trained technicians are specialists in properly maintaining and repairing HVAC ventilation systems. They offer high-quality air conditioning and heating systems, along with professional customer service done right the first time. They are experts in residential and commercial HVAC and service all areas. They have over 2,360 customers with three branches. Their services and expertise include repairs to your heating and cooling equipment, replacement of your existing systems, and maintenance to keep all of your HVAC units working properly. Diamond Air Services' highly skilled craftsmen provide you with the best service in the market and are trained to treat every customer with honesty, integrity, and value.”

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“Steve's Five Star Service is a family-owned and operated full-service HVAC company that has the capacity to handle all your air conditioning needs. The company has 49 years of experience in heating, air conditioning, and plumbing. Their licensed technicians are factory-trained and NATE Certified to work on a full range of systems, including the top brands in air conditioning. Steve's 5 Star Service has been providing quality, cost-competitive residential air conditioning services to the Inland Empire for more than 30 years. They accept most major credit cards and offer Carrier financing options, with approved credit, on residential projects. Steve's Five Star Service offers 24-hour service.”

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“Metz Air Control is a third-generation family-owned and operated business with 48 years of experience. They specialize in installing air conditioners that will meet your cooling needs. Their comfort advisors perform load calculations to ensure your cooling system is the right size for your home or business. They also have NATE-certified employees who undergo extensive training to be well-versed in all areas of HVAC. They also provide safety inspections, tune-ups, and energy efficiency inspections. Metz Air Control offers financing options for the services their company provides, including monthly payments to fit your budget and online account management and bill payment options. They offer a 24-hour turnaround. Metz Air Control offers a lifetime workmanship guarantee on all installs.”

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