Do you need a permit to replace a furnace in Columbus?
Yes, replacing a furnace in Columbus generally requires a mechanical permit, since it involves altering fixed heating equipment. The permit triggers an inspection once the work is finished. Smaller repairs that don't change the equipment or its connections may not need one, so it's worth confirming with the contractor or the city.
Which jobs need a mechanical permit
Replacing a furnace, air conditioner or heat pump generally needs a mechanical permit in Columbus, because it changes fixed equipment connected to gas, electrical or refrigerant lines. New installations and conversions, like switching from a furnace to a heat pump, typically need one too.
Routine repairs, such as replacing a part or clearing a clogged line, often don't trigger a permit because they don't change the equipment itself. The line between a repair and a replacement isn't always obvious from the outside, so it's worth asking the contractor directly whether the specific job needs one.
Who pulls it, and what it costs
In most cases, the contractor pulls the mechanical permit as part of the job, since they're the one doing the work the city is inspecting. A homeowner can sometimes pull a permit themselves for work on their own property, but that shifts the responsibility for the paperwork and the inspection onto them.
This directory doesn't list permit fees, since they change and vary by job. The city's building department is the source for current costs, and a contractor who pulls permits regularly should be able to tell you roughly what to expect before the work starts.
The inspection that closes it out
A mechanical permit isn't finished until an inspector reviews the completed work, usually after the contractor requests the inspection. The inspector checks that the installation meets code, that connections are safe, and that the equipment was set up the way the permit described.
If the inspection turns up a problem, the contractor typically has to correct it and schedule a re-inspection before the permit closes. Until that happens, the job isn't considered finished in the city's records, even if the equipment is already running in your home.
What happens when the permit is skipped
Skipping a required permit doesn't stop the equipment from working, but it leaves the job unverified by the city. That can matter later, for insurance claims, for a home sale, or if the work needs to be looked at for a warranty issue.
An unpermitted job can also come up when you eventually sell the house, since some buyers and inspectors ask about permit history on major equipment. Asking a contractor upfront whether they pull permits, and confirming it was closed out, avoids finding this out later.
Who to contact
Questions about whether a specific job needs a permit, what the process involves, or how to check a past permit's status are best directed to the City of Columbus building and permit office, or the equivalent office for the suburb where the work is happening.
Contractors who work in the area regularly usually know the local process well and can tell you what to expect, but the permit office itself is the final word on requirements and on the status of any inspection tied to your address.
Browse the directory of HVAC contractors. Each listing shows its verification status and the date it was last checked, so you can see how current the information is before you reach out.