Business Details
47 Years
experience
Emergency
services
Trusted HVAC Repair & Installation in Cincinnati
Since 1979, Adco Heating & Air Conditioning has been Cincinnati's trusted provider of HVAC solutions, serving residential and commercial clients across Ohio, Kentucky, and Indiana. Our team of licensed technicians delivers same-day service, 24-hour emergency support, and competitive pricing with upfront quotes. We specialize in sales, installation, and repair of conventional systems, zone systems, geothermal units, and more, backed by an A+ BBB rating and decades of local expertise. Our commitment to transparency, customer satisfaction, and quality workmanship ensures every client receives reliable, cost-effective climate control solutions tailored to their needs. 
Services
HVAC Repair
HVAC Installation
HVAC Maintenance
Emergency HVAC Services
Furnace Repair
Air Conditioning Repair
Heat Pump Installation
Boiler Installation
Thermostat Replacement
Ductwork Services
Details
- Year established: 1979
Highlights and features
- We offer same-day HVAC service for urgent needs.
- Our team provides 24-hour emergency HVAC support.
- We guarantee competitive pricing with upfront quotes.
- We are licensed contractors in Ohio and Kentucky.
- We offer military and senior citizen discounts.
Associations and certifications
- BBB A+ Rating
- OH License 47059
- KY License HM05540
What people say
Prompt, professional, affordable
Great employees
Extremely honest
Dependable
Competitive pricing
Services
HVAC Repair
Our technicians provide fast, reliable HVAC repairs for furnaces, air conditioners, heat pumps, and boilers. We diagnose issues promptly and deliver cost-effective solutions to restore comfort. With 24-hour emergency availability, we address urgent heating and cooling failures efficiently.
HVAC Installation
We install high-efficiency HVAC systems tailored to your property's needs. Specializing in Armstrong and Rheem products, our team ensures proper sizing and code-compliant installation. We offer free estimates and expert guidance to maximize energy savings and system longevity.
HVAC Maintenance
Regular maintenance extends HVAC system lifespan and prevents breakdowns. Our technicians clean components, replace filters, and optimize performance. Scheduled visits reduce energy costs and ensure reliable operation during peak seasons, maintaining indoor comfort year-round.
Emergency HVAC Services
We provide urgent HVAC repairs outside regular hours for critical failures. Our rapid response team addresses heating emergencies in winter and cooling crises in summer. Same-day service ensures minimal disruption to residential and commercial environments, prioritizing safety and comfort.
Thermostat Replacement
Upgrading thermostats improves energy efficiency and system control. We install programmable and smart thermostats compatible with existing HVAC units. Our technicians ensure proper calibration and integration, helping clients reduce utility bills through optimized temperature management.
Questions
Do you offer emergency HVAC services?
Yes, we provide 24-hour emergency HVAC repair for urgent heating and cooling failures.
What areas do you serve?
We serve Cincinnati, Ohio, and surrounding areas including Kentucky and Indiana.
Are your technicians licensed?
Yes, we hold active HVAC licenses in Ohio (47059) and Kentucky (HM05540).
Do you offer maintenance plans?
We recommend regular maintenance to extend system life and improve efficiency.
What payment methods do you accept?
Payment options are discussed directly with our technicians during service calls.
Are there discounts available?
We offer military and senior citizen discounts on HVAC services and repairs.
Reviews (7)
Chris Lineback
Jun 19, 2022
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I used Adco for the first time last week when a tenants AC went out. I first called several other HVAC "big name" companies, none of whom were able to get out until the following week. Adco was able to send Mike out later that afternoon. I wasn't able to be there, but he kept me updated on his progress and what to expect. The service was performed quickly and effectively. Additionally, there was NO upsell for services or subscriptions. I will definitely be using Adco again.
Kenneth Noyes
Apr 17, 2022
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I've been using ADCO for many years now - for both my private home as well as rental properties. ADCO has always been prompt, professional and affordable. They are HVAC experts and they will quickly diagnose your HVAC issue and provide an affordable fix and/or replacement. I highly recommend them to anyone in need of heating or cooling repair and maintenance.
Sylvia Mincy
Nov 06, 2020
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We had two companies to come out and fix our furnace to no avail. Matt from ADCO came out and now there is heat. Service: Heating system repair
Earl Drayer
May 27, 2020
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I've used them since day one when I bought my house. Because I know how good they've treated me, I'll never need anyone else. I posted my own review of them on Facebook. I think they'll find it good reading. ADCO is the best. Bar None!
John Coletta
Feb 20, 2019
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Furnace was leaking gas and carbon monoxide. Duke red tagged the furnace. ADCO responded in few hours and had a new furnace in the next day. Fair price and great employees. They took steps to keep the house clean and cleaned their work area. Could not ask for more
Chris Kline
Mar 10, 2017
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When our furnace fan began to run constantly we called a different company in first. They quoted us nearly $700 for the one part ($515) and service we needed. Our real estate agent recommended ADCO and we couldn't be happier! Their service (tech's name was Matt) was quick and courteous. To have the initial problem, plus a new thermostat, AND a condensate pump drainage issue fixed ADCO's price was just $450. They will definitely be my first call the next time I need any HVAC work!
Rebel Withacause
Dec 14, 2015
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Adco has come to my house on two different occasions. Once for my central air unit and just yesterday for my furnace. They are dependable and get the job done.
