Guides

Plain, factual guides to the questions worth answering before you contact a HVAC contractor. Written by the 614hvac editorial team and updated as things change.

Explainer · Updated Aug 2026

Does an HVAC contractor need a licence in Ohio?

An explainer on what Ohio's HVAC licence actually requires, and where permits and refrigerant certification fit in.Permits · Updated Aug 2026

Do you need a permit to replace a furnace in Columbus?

What triggers a mechanical permit for a furnace or AC job in Columbus, and who is responsible for pulling it.Explainer · Updated Aug 2026

Repair or replace: how to decide

How the age of your furnace or AC, the size of the repair and current refrigerant rules should factor into a repair or replace decision.Cost factors · Updated Aug 2026

What moves the price of an HVAC job in Columbus

The factors that typically affect an HVAC repair or installation quote in Columbus, without prices or estimates.How-to · Updated Aug 2026

How to choose an HVAC contractor in Columbus

A guide to vetting an HVAC contractor in Columbus before you hire, from licence checks to warranty terms and service areas.