Furnace Installation in Tulsa, OK
A new furnace here will run from October through April every year. Tell us about the house, and a licensed contractor who covers Tulsa County will get in touch.
Tell us about the job
It takes about a minute.
Seven months of heat, most of it below freezing
Furnaces in Tulsa County run from October through April, close to seven months of the year. Winter nights average 29°F, so the burner is cycling on and off most nights of the week for a good stretch of the year, not just on the coldest days.
Most homes here heat with gas. Any furnace installed new has to reach at least 80 percent AFUE, the federal minimum for gas furnaces built since November 2015. Power loss is also worth planning for. A quarter of Oklahoma households went at least 24 hours without power in 2024, and the last ten years brought 10 winter storms and 276 damaging wind events to the state. A furnace that depends on electricity to run its blower and controls will not put out heat when the power is out, whatever its efficiency rating.
- 7 months
- October through April, your furnace is on duty
- 29°F
- the average winter night it heats against
- 62%
- of homes here heat with gas, so most furnaces here burn gas
- 80% AFUE
- the federal minimum any new unit must meet
NOAA nClimDiv, 1991–2020 normals
A high-efficiency gas furnace would save about $90 a year to run in Tulsa County compared with a gas furnace.
Estimates for a typical Tulsa County home, from EIA household energy data, Oklahoma fuel prices and NOAA climate normals. Your home will differ.
Oklahoma requires HVAC contractors to hold a state license.
The Construction Industries Board tests and licenses the contractor, and the license is held by the business, not issued for each job. That means it says something about who you are hiring in general, not about this particular furnace install.
For the install itself, the license is what stands behind the work, but it is not the only check. A furnace replacement needs a permit from the local building office in most cities and counties, along with an inspection once the work is done, and that check comes from the building office, separate from the state license. Gas is how most homes in Tulsa County heat, and a permit and inspection are how a bad gas connection on a new furnace gets caught.
Source: Oklahoma State Legislature
- What size furnace does my house need?
- There's no single number that fits every house. It depends on your square footage, your insulation, how many windows you have, and your ceiling height, so a contractor works this out with a load calculation rather than a guess based on your old unit's size. Putting in a furnace that's too big or too small for the house causes problems either way, so this step matters more than picking a brand.
- How do I know it's time to replace my furnace?
- If your furnace is struggling to keep up, cycling on and off more than it used to, or needing repairs every winter, that's usually the sign. Age matters too, and a contractor can tell you where yours stands and whether a repair bill still makes sense against a new unit. With homes here needing heat from October through April and winter nights averaging 29°F, a furnace that's on its way out tends to show it during those months first.
- Is a high-efficiency furnace worth it?
- It depends on how much you use it and how long you plan to stay in the house. Every new furnace sold today has to reach at least 80 percent AFUE, and high-efficiency models go higher than that, meaning less fuel burned for the same heat. With homes here running the furnace 7 months a year, that difference shows up more than it would somewhere with a short winter. A contractor can walk you through which models make sense for your house.