Furnace Repair in Greenwood, IN
Furnaces here run from October through May. If yours quits, tell us what it's doing and a licensed contractor who covers Johnson County will get in touch.
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Eight months of heat wears a furnace down in Greenwood
Your furnace runs from October through May here, eight months of the year. On nights that average 23°F, it cycles on and off for hours to hold the house steady, and every cycle puts a little more wear on the igniter and the burner.
Most homes in Greenwood heat with gas, so when the furnace struggles, there is nothing else warming the house. Johnson County has also seen 39 damaging wind events and 11 winter storms over the past ten years, the kind of weather that can knock out power along with the heat. Statewide, 17% of households went at least 24 hours without power in 2024. A furnace that was already worn does not always come back on right when the power does.
- 8 months
- October through May, your furnace is on duty
- 23°F
- the average winter night it heats against
- 64%
- of homes here heat with gas, so most furnaces here burn gas
- 11 winter storms
- in ten years, the nights a failure hurts most
NOAA nClimDiv, 1991–2020 normals
A new furnace would cut about $100 a year off heating for a typical Johnson County home.
Estimates for a typical Johnson County home, compared with an older unit built to the previous federal minimum, from EIA household energy data, Indiana fuel prices and NOAA climate normals. Your home will differ.
Repair makes sense when one part has failed and the heat exchanger is sound.
Replacement makes sense when the heat exchanger is cracked or the furnace keeps needing parts.
In Indiana, HVAC licensing for homes is left to the counties and cities.
Indiana does not license HVAC contractors at the state level. Whether this contractor needs a local license, and what that requires, is set by Johnson County, not by the state. There is no state record of testing or complaints either way, because Indiana does not keep one.
Most homes in Johnson County heat with gas, 64 percent by the numbers, so a furnace repair here is often a repair that touches a gas line. That is the part of the job where a loose connection matters most. Without a state license behind the work, there is no state board checking that connection or recording how the repair went. Whatever oversight exists comes from Johnson County itself.
Sources: Indiana Department of Workforce Development · State of Indiana
- Why won't my furnace turn on?
- Most of the time it's the thermostat, the power to the unit, or the igniter. Check that the thermostat is set to heat and above room temperature, and that the furnace switch and breaker are both on. If those are fine, the igniter may have failed, which is common after years of daily use and stops the burners from ever lighting. A contractor can test the igniter and the safety switches in a single visit.
- Why is my furnace blowing cold air?
- Usually the blower is running but the burners haven't lit yet, or the filter is clogged enough to choke the airflow. A dirty filter can cause the heat exchanger to overheat and trip a safety switch, which shuts off the flame but leaves the fan running, so you feel cold air instead of no air. Check the filter first, since a clean one is easy to rule out. If the filter is fine and you're still getting cold air, the igniter, flame sensor, or gas valve likely needs a contractor's attention.
- Why won't my furnace pilot light stay lit?
- A pilot light that won't stay lit is almost always the thermocouple. That's the small sensor that tells the gas valve the flame is really burning, and once it wears out it shuts the gas off even when the pilot is lit. Wind drafts near the flue or a dirty pilot orifice can also blow the flame out. This is a straightforward part to replace, but it's a gas component, so have a contractor handle it rather than relighting it repeatedly on your own.