Commercial Refrigeration and Air Conditioning.

Serving the Greater Cincinnati Area.

High quality service and installation to industrial and commercial clients in the tri-state area. 

Contact us at (513) 541-2999 24-hours a day


Coronavirus Update!

We can install an iWave air purifying device into your duct air conditioning system. The iWave family of products have been proven through independent lab testing to significantly reduce a wide variety of pathogens in the breathing zone and on hard non-porous surfaces. 
Click to learn more.

Refrigeration graphic
Air Conditioning graphic
Ice Machine Sales graphic
Exhaust Hood & Ventilation Service graphic
office photo

Offering Commercial and Industrial Services

We understand that many of our clients don’t follow traditional work hours, and neither do we. Available 24/7 for refrigeration service and A/C repair, our licensed techs are always there when you need us the most. Upon request, we provide same-day service for routine calls and two-hour response times for emergencies. Your business is your livelihood, and we make it a priority to keep it running smoothly.

Located in Hamilton County, we serve everyone in the region. Call us today to speak with a member of our team concerning your refrigeration repair and installation needs or about our air conditioning services. We’re available 24/7 and look forward to showing you what Koch Refrigeration & Air Conditioning can do for you!

OH License - HVAC and Refrigeration - 33082

Kentucky Master HVAC License - MO4287

fan icon


We are a second-generation family business established in 1967. Because customer satisfaction is our goal, we have built a strong reputation in the tri-state area. We look forward to adding you to our list of satisfied customers.

water drop icon


Whether you’re in the market for a new commercial air conditioning system or refrigeration unit or want to repair an existing one, we’ve got you covered. Sales, service, and installation—we do it all.

snow flake icon

Available 24/7

Our team is available 24/7 for emergency HVAC and commercial refrigeration service needs. Your business doesn’t follow standard operating times, and neither does ours.