HVAC Service in Ohio

Licensed HVAC contractors across every county in Ohio.

Step 1 of 4: Service
Two-story house with light gray vinyl siding, an attached two-car garage with a white door, an asphalt driveway, mowed lawn, and large deciduous trees on either side under an overcast sky.

What Ohio homes are up against.

9,6419,641 severe weather events were recorded in Ohio between 2015 and 2024.
5,292,391Ohio holds 5,292,391 housing units (2020-2024 ACS 5-year).
1970Half the homes in Ohio were built in 1970 or earlier (2020-2024 ACS 5-year).
283Cuyahoga County carries the heaviest storm record in Ohio, with 283 events between 2015 and 2024.

NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31. · U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates

A wooden mailbox on a post topped with a thick layer of snow stands in a snow-covered yard in front of a single-story brick house with a snowy roof, flanked by snow-laden evergreen trees during falling snow.

What a heat pump has been asked to hold up against matters more than how many years it has been running. 9,641 severe weather events were recorded in Ohio between 2015 and 2024. At that rate, a system does not simply age; it recovers, repeatedly, from conditions that press it to its capacity limits. A unit that has spent years holding up under that kind of demand may be closer to the edge than its installation date implies, and a contractor who pulls the service record and inspects what is actually worn can tell the difference. That assessment is what a quote in your county has to start from.

NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.

A quote for a heat pump starts with what is actually in the house, and in Ohio that means the contractor arrives expecting to assess rather than assume. Half the homes in Ohio were built in 1970 or earlier (2020-2024 ACS 5-year). That puts the bulk of the state's housing stock in an era when electrical service, duct layout, and mechanical systems were built to standards that have since changed, sometimes substantially. Before a contractor specifies equipment, they check whether the existing ductwork moves enough air for the new system and whether the panel supports the load. Those findings drive the scope. Two houses on the same street can produce different answers.

U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates

Does your county put extra wear on HVAC equipment?

Severe weather events by county — Ohio
Cuyahoga County283
Hamilton County271
Franklin County268
Montgomery County267
Clermont County193
Warren County190
Summit County188
Clinton County186
Trumbull County182
Licking County180

2015–2024 · Source: NOAA National Centers for Environmental Information, Storm Events Database.

FIND YOUR COUNTY

A condenser sitting outside in Ohio faces hail, driving rain, heavy snow loads, and temperature swings wide enough to push equipment hard at both ends of the year. How a system is sized and where it is positioned on a property affects how long it holds up under that kind of exposure. The contractor you are matched with knows how to read those site conditions and spec the right equipment for them.

Ohio HVAC Installation and Repair License Requirements

Ohio sets its own requirements for who can perform HVAC installation and repair work, and the provisions below are drawn from the state's own code rather than paraphrased.

An Ohio home construction services contract must include a copy of the supplier's certificate of insurance showing general liability coverage of not less than two hundred fifty thousand dollars.

Ohio Revised Code Chapter 4722

A state license for this trade determines who is legally permitted to do the work on your home. Unlicensed contractors fall outside that permission, which matters when you are deciding who to let on the job. The contractors this site routes to hold the license these provisions describe, and that is the filter your request passes through before it reaches anyone.

See the sourced Ohio licensing provisions14 provisions

An Ohio home construction services contract must include a copy of the supplier's certificate of insurance showing general liability coverage of not less than two hundred fifty thousand dollars.

Ohio Legislative Service CommissionOhio Revised Code Chapter 4722Verified 2026-09-10

In Ohio a home construction service means the construction of a residential building, including the repair, improvement, remodel or renovation of an existing structure, and does not include construction on a structure containing four or more dwelling units except for work on an individual dwelling unit within it.

Ohio Legislative Service CommissionOhio Revised Code Chapter 4722Verified 2026-09-10

A home construction service supplier in Ohio is defined as a person who contracts with an owner to provide home construction services for compensation and who maintains a general liability insurance policy of not less than two hundred fifty thousand dollars.

Ohio Legislative Service CommissionOhio Revised Code Chapter 4722Verified 2026-09-10

The Ohio construction industry licensing board issues state licenses to individuals as heating, ventilating and air conditioning contractors, refrigeration contractors, electrical contractors, plumbing contractors and hydronics contractors.

Ohio Legislative Service CommissionOhio Revised Code Chapter 4740Verified 2026-09-10

An Ohio board of county commissioners may accept a valid and unexpired Chapter 4740 license held by a heating, ventilating and air conditioning contractor toward its own licensing requirements for work on one-, two-, or three-family dwelling houses.

Ohio Legislative Service CommissionOhio Revised Code Chapter 3781Verified 2026-09-10

An Ohio board of county commissioners may adopt rules licensing heating, ventilating and air conditioning contractors who are not required to hold a state license under Chapter 4740.

Ohio Legislative Service CommissionOhio Revised Code Chapter 3781Verified 2026-09-10

In Ohio municipal law a specialty contractor includes heating, ventilating and air conditioning contractors, refrigeration contractors, electrical contractors, plumbing contractors and hydronics contractors.

Ohio Legislative Service CommissionOhio Revised Code Chapter 715Verified 2026-09-10

An Ohio board of county commissioners may not register a specialty contractor who is required to hold a license under Chapter 4740 but does not hold a valid one.

Ohio Legislative Service CommissionOhio Revised Code Chapter 3781Verified 2026-09-10

An Ohio municipal corporation may not register a specialty contractor who is required to hold a license under Chapter 4740 but does not hold a valid one.

Ohio Legislative Service CommissionOhio Revised Code Chapter 715Verified 2026-09-10

In Ohio building law a residential building means a one-family, two-family or three-family dwelling house and any accessory structure incidental to it, and does not include an industrialized unit, a manufactured home or a mobile home.

Ohio Legislative Service CommissionOhio Revised Code Chapter 3781Verified 2026-09-10

Ohio's contractor licensing chapter reaches only work on a construction project, and a construction project is defined to exclude residential buildings, so an HVAC contractor working on a one-, two-, or three-family dwelling in Ohio falls outside the state licensing requirement.

Ohio Legislative Service CommissionOhio Revised Code Chapter 4740Verified 2026-09-10

Violating Ohio's contractor licensing prohibition is a minor misdemeanor on a first violation and a misdemeanor of the fourth degree on subsequent violations.

Ohio Legislative Service CommissionOhio Revised Code Chapter 4740Verified 2026-09-10

Under Ohio law no person may act as or claim to be a type of contractor that Chapter 4740 licenses unless that person holds a license issued under that chapter.

Ohio Legislative Service CommissionOhio Revised Code Chapter 4740Verified 2026-09-10

In Ohio a home construction service supplier may not perform a home construction service costing twenty-five thousand dollars or more without entering into a written home construction services contract with the owner, unless the supplier and owner enter into a cost-plus contract.

Ohio Legislative Service CommissionOhio Revised Code Chapter 4722Verified 2026-09-10

Find HVAC coverage in your part of Ohio

Show all 88 counties
Clermont County
Richland County