Tell us about the job
Takes about a minute. No obligation.
A furnace in Franklin County has not been sitting out mild winters between occasional rough patches. 268 severe weather events were recorded in Franklin County, Ohio between 2015 and 2024. At that rate, severe weather is a standing condition rather than an exception, and the components that carry the hardest load in a heating system reflect it. Heat exchangers that cycle hard and often develop stress fractures that age alone would take longer to produce. An ignition system that has been called on repeatedly through rough stretches wears differently than one in a quieter area. When a contractor opens a furnace here, the repair scope follows from what those components have actually been through.
Furnace systems installed in houses as old as much of this county's stock have likely been replaced at least once since the original install, and the unit running today reflects decisions made years after construction. Half the homes in Franklin County, Ohio were built in 1979 or earlier (2020-2024 ACS 5-year). What a contractor finds once the heat exchanger, burners, or control board is open determines whether the job is a straightforward parts swap or a search for components that suppliers have thinned out or discontinued. That search is the variable a homeowner cannot price in advance, and it is where the repair timeline actually lives.
The Parts of a Furnace a Contractor Checks First
The furnace itself sits in a basement, utility room, or closet and is the unit a contractor opens first. Inside it, the heat exchanger and burners are the pieces most likely to be behind a heating failure. A cracked heat exchanger or a burner that won't fire cleanly shows up fast on inspection.
The blower motor pushes conditioned air out through the supply side of your duct system and draws return air back in. Alongside it, the flue or exhaust vent runs from the furnace to the outside, and the control board ties every component together. When the blower runs weakly or the system short-cycles, both of those are on the contractor's list.
The drawing shows a general layout of a furnace system, and a licensed contractor determines which components apply to your specific home.
Find a contractor in Franklin CountyFranklin County, by the numbers
268 severe weather events were recorded in Franklin County, Ohio between 2015 and 2024.
NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.Half the homes in Franklin County, Ohio were built in 1979 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFranklin County, Ohio holds 595,469 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 52.8% of the occupied homes in Franklin County, Ohio (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFurnace Repair Rules & Standards for Franklin County, Ohio18 sourced regulations and codes
What HVAC Repair Looks Like in Franklin County
Non-weatherized gas furnaces manufactured on or after November 19, 2015 must reach 80.0 percent AFUE.
Non-weatherized oil-fired furnaces manufactured on or after November 19, 2015 must reach 83.0 percent AFUE.
Mobile home gas furnaces manufactured on or after November 19, 2015 must reach 80.0 percent AFUE.
Non-weatherized gas furnaces manufactured on or after December 18, 2028 must reach 95.0 percent AFUE, up from the 80.0 percent minimum that applies to units manufactured before that date.
Licensing and Legal Requirements in Franklin County, Ohio
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.
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.
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.
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.
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.
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.
In Ohio municipal law a specialty contractor includes heating, ventilating and air conditioning contractors, refrigeration contractors, electrical contractors, plumbing contractors and hydronics contractors.
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.
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.
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'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.
Violating Ohio's contractor licensing prohibition is a minor misdemeanor on a first violation and a misdemeanor of the fourth degree on subsequent violations.
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.
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.
Severe Weather Events in Franklin County
Extreme weather puts real load on furnaces and the systems tied to them. How hard equipment works over its life is a local fact, and Franklin County's weather record is part of what shapes repair frequency here.
268 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.