HVAC Installation in Greenwood, IN
A new system here will heat from October through May and cool from June through September every year. Tell us about the house, and a licensed contractor who covers Johnson County will get in touch.
Tell us about the job
It takes about a minute.
Greenwood asks a full year of work from one system
Your furnace here runs from October through May, eight months of the year, working against winter nights that average 23°F. Your air conditioner picks up the other four months, June through September, cooling against afternoons averaging 83°F. That's all twelve months with something running.
A new system has to be sized for both ends of that range, not just the one that feels most urgent right now. Johnson County has logged 11 winter storms and 39 damaging wind events over the past ten years, and across Indiana, 17% of households lost power for at least 24 hours in 2024. Worth asking what happens to your heat or your cooling when the power drops.
- 8 months
- October through May, your system heats
- 4 months
- June through September, it cools
- 23°F
- the average winter night it heats against
- 83°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
In Indiana, HVAC licensing for homes is left to the counties and cities.
Indiana leaves HVAC licensing to the counties and cities, so whatever rule applies to this job depends on where the house sits in Johnson County. There is no state license behind an installation here, no state test or state record standing between a homeowner and the contractor doing the work.
In most cities and counties, putting in a new furnace or air conditioner needs a permit from the local building office, with an inspection once the work is done. That permit and inspection are what stand in for a license here, and they apply to this job in most places, though the exact requirement still comes down to the city or county where the house is.
Sources: Indiana Department of Workforce Development · State of Indiana
- When should I replace my HVAC system?
- Replace it when repairs start piling up or the system can't keep the house comfortable through a Greenwood winter or summer. An old furnace or air conditioner works harder every year it runs, and a failed heat exchanger or a compressor low on refrigerant often costs more to fix than to replace. If you're calling for the same problem a second time in a year or two, that's a sign to talk to a contractor about replacement instead of another repair. Winters here average 23°F from December through February, so a furnace that struggles in cold like that is a bigger risk than one that struggles somewhere milder.
- Should I replace my furnace and air conditioner at the same time?
- If both are old, yes, it's worth doing together. A furnace and air conditioner installed at the same time are matched to work with each other, and a contractor handles the ductwork and wiring once instead of coming back for a second job later. Homes here need heat from October through May and cooling from June through September, so both systems run most of the year and tend to wear on a similar schedule. If one is much newer than the other, replacing just the older one is reasonable, and a contractor can tell you whether the two will still pair well.
- What happens during an HVAC installation?
- A contractor removes the old furnace or air conditioner, sets the new equipment, and connects it to the existing ductwork, gas line or refrigerant lines, and electrical circuit. For a furnace, that includes venting it correctly and testing the gas connection and the igniter. For an air conditioner, it includes connecting the refrigerant lines to the indoor coil and charging the system to the right level. Once everything is connected, the contractor runs the system through a full cycle and checks airflow, temperature, and controls before calling the job done. The exact steps depend on what equipment is going in and what's already in the house, so a contractor looking at the job can walk you through what yours will involve.