HVAC Installation in Moline, IL
A new system here will heat from October through May and cool from June through August every year. Tell us about the house, and a licensed contractor who covers Rock Island County will get in touch.
Tell us about the job
It takes about a minute.
Moline runs its system most of the year
Heat runs October through May here, eight months out of the year, with winter nights averaging 18°F from December through February. A new furnace has to hold a house warm on those coldest nights, not just the mild ones in between.
Cooling asks less by comparison, three months of it, with summer afternoons averaging 83°F. Between the two, homes here need heat or cooling eleven months a year. Rock Island County has seen 23 winter storms and 87 damaging wind events over the past ten years, and in Illinois about 16 percent of households lost power for a full day or more in 2024. Worth planning a new install around that, not just around today's weather.
- 8 months
- October through May, your system heats
- 3 months
- June through August, it cools
- 18°F
- the average winter night it heats against
- 83°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
In Illinois, HVAC licensing for homes is left to the cities and towns.
Illinois leaves HVAC licensing to cities and towns, so whether Rock Island County has a rule depends on which city or township the house is in. There is no state license behind the work here, only whatever the local government requires.
For a heating and cooling installation, what stands behind the job in most places is the permit and inspection from the local building office. The permit gets pulled before the work starts, and the inspection checks it once it is done. That is a separate check from any license the contractor may or may not hold, and it is what covers this job here.
Source: Illinois General Assembly
- When should I replace my HVAC system?
- Once it's old enough to need repairs more than once a season, replacing it makes more sense than keeping it going. Watch for higher gas or electric bills with no clear reason, rooms that won't hold an even temperature, and a furnace or air conditioner that's cycling on and off more than it used to. In this area your furnace is doing most of the work, October through May, so a furnace on its last legs matters more here than it would somewhere milder. Waiting for a full breakdown means you're choosing equipment in a hurry, often in the middle of a cold snap, instead of on your own schedule.
- Should I replace my furnace and air conditioner at the same time?
- If they're close in age, yes, it's worth doing together. A furnace and air conditioner installed at the same time are matched to work as one system, and a mismatched pair, an old furnace paired with a new coil for instance, can end up running less efficiently than either would on its own. It also means one visit and one round of setup instead of two separate jobs a few years apart. If one unit is much newer than the other, a contractor can look at both and tell you honestly whether it's worth waiting on the newer one.
- What happens during an HVAC installation?
- A contractor first removes the old furnace, air conditioner, or both, along with any parts that won't be reused, like the old thermostat wiring or a mismatched coil. The new equipment goes in, gets connected to your ductwork, gas line or electrical circuit, and the refrigerant lines are run and sealed for the air conditioner. Once everything is in place, the contractor checks the gas pressure or electrical connections, tests the system through a full cycle, and confirms the thermostat is talking to the new equipment correctly. On a typical job this covers both the indoor and outdoor units, but a contractor can walk you through what your specific setup will need before the work starts.