A Tradition of Excellence

Corcoran & Harnist, proudly serving Cincinnati and surrounding areas for more than 31 years.

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100% Satisfaction Guarantee

We are dedicated to providing the best possible service to you and your family

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24-Hour Emergency Service Available

Call Corcoran & Harnist for fast, reliable service.

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Energy Experts

To ensure your satisfaction, we start by asking questions. If we don’t provide what you need and want, we’re not doing our job.

With more than 30 years in the heating and cooling business, Corcoran and Harnist Heating and Air is dedicated to providing the best possible service for you and your family. You can count on us to provide you with a system and solution that fits your family’s unique needs and since we’ve installed many systems in this area, we’ve earned a reputation for doing the job right the first time.

To assure your satisfaction, we start by asking questions. If we don’t provide what you need and want, we’re not doing our job.

Second, we work with the leader in home heating and cooling equipment, Carrier.

Third, we train each employee to see your job through from start to finish, making sure the unit or system performs up to your expectations.

Finally, we provide quick, professional service and complete service plans to keep your systems operating at peak efficiency. It’s all part of our tradition of service- assuring your complete satisfaction.

Corcoran & Harnist, proudly serving Cincinnati and surrounding areas for more than 31 years.

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