HVAC in Ohio

124 HVAC contractors in 77 cities and towns. Heating, ventilation, air conditioning and refrigeration installers and service companies, including rooftop units and service agreements. Facilities usually schedule them at least twice a year, before cooling and heating seasons.

How Many HVAC Contractors Are in Ohio?

We list 124 HVAC contractors in Ohio, across 77 {cities.length === 1 ? 'city' : 'cities and towns'}; the most are in Lancaster (9), Zanesville (8), Columbus (6). Facilities usually schedule HVAC contractors at least twice a year, before cooling and heating seasons. Ask each for a written quote with every fee included and compare the totals.

Updated November 6, 2026 · Source: OpenStreetMap (refreshed November 6, 2026).

By City

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Before You Hire

  1. Do you take commercial work, and do you service buildings like ours?
  2. Can you send a certificate of insurance naming us as additional insured?
  3. Are your technicians EPA Section 608 certified to handle refrigerant?
  4. Do you service our equipment type and brand (rooftop units, chillers, boilers)?
  5. What does a service agreement include, visit by visit?

Gearhart

West Newton Road, Bowling Green

HVACPhone listedSource: OSM

Lennox

Bowling Green

HVACSource: OSM

Affordable Air

949 East Main Street, Chillicothe

HVACPhone listedWebsiteSource: OSM

Systecon

Olde West Chester

HVACWebsiteSource: OSM

Hajoca

Ottawa Hills

HVACSource: OSM

Kish, Inc.

2098 North Ridge Road, Painesville Township

HVACHours listedSource: OSM

Gilbert

2121 Cleveland Road West, Sandusky

HVACPhone listedWebsiteSource: OSM

Perfection Group

2649 Commerce Boulevard, Sharonville

HVACPhone listedWebsiteSource: OSM

Ables Inc.

3370 East Pike, Zanesville

HVACPhone listedWebsiteHours listedSource: OSM

Dor-Mar

766 Linden Avenue, Zanesville

HVACWebsiteSource: OSM

Showing 120 of 124. Pick a city above to see the rest.

HVAC in every state · Questions to Ask Before Hiring: HVAC

Listings: © OpenStreetMap contributors (ODbL) · Data last updated November 6, 2026 · Sources & method