Service and Maintenance

Corcoran & Harnist is dedicated to providing you and your family with the best possible service. You can count on us to provide you with a solution that fits your family’s unique needs. With more than 31 years in the heating and cooling business, we service all makes and models and we have earned a reputation for doing the job right the first time.

All of our service vehicles are clearly marked with the Corcoran & Harnist logo and well-equipped to make repairs immediately. Every employee has a proven track record and has undergone a drug test, worker’s compensation background check, driving record check and is covered under our insurance policy. Quick, professional service delivered by our exceptional employees is a tradition Corcoran & Harnist values.

Meeting your family’s needs is our number one priority and in order to do that quickly and effectively, we perform in-home evaluations. This allows us to take into consideration all of the variables that effect heating and cooling systems and to provide you with the best solution. Call us today or fill out the form below for a FREE in home estimate.

We also provide 24-hour emergency service. If this is an emergency, please call us at (513) 921-2227 to speak to a Corcoran & Harnist representative.


Corcoran & Harnist Heating and Air

1457 Harrison Ave

Cincinnati, OH 45214-1605

Phone: 513-921-2227

Fax: 513-921-1101

Operating Hours

Monday – Friday

8:00 AM – 4:30 PM


8:00 AM – 12:00 PM