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Verified Reviews for Heating And Air Conditioning Service pros in Illiopolis, IL

*The Angi rating for Heating And Air Conditioning Service companies in Illiopolis, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Illiopolis, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on July 08, 2026

Find Heating and air conditioning pros in Illiopolis

Avatar for MB Heating & Cooling
MB Heating & Cooling
4.6(
26
)
Electric Furnace / Forced Air Heating System - RepairCentral A/C - Service or RepairGeothermal Heating or Cooling System - Service+1 more

Serving Illiopolis, IL and surrounding areas

Approved

In business since 1986

Emergency services offered

Credit card accepted

"Very fine work done fast!"
Response time4 hrs
Response rate90%
17 neighbors recently requested a quote
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Tiger Plumbing, Heating, Air Conditioning, & Electrical Services
3.4(
353
)
Central A/C - InstallCentral A/C - Service or RepairAir Ducts & Vents - Clean+12 more

Serving Illiopolis, IL and surrounding areas

Approved (Corporate)

In business since 1993

Free estimates

Emergency services offered

"My technician Keith was great. Friendly and super informative. Also too a quick look at the entire drainage system and gave my an idea of where problems will pop up the future without preventative measures (my home was built in the 50s and while the previous owners took really good care of the house nothing has been gutted and replaced yet)."
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+5

184 neighbors recently requested a quote
Recommended by74%of homeowners
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Affordable Home Repair
5.0(
4
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Illiopolis, IL and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"John and his helper Nathan did an excellent job!! They arrived when they said they were going to an hung a 65 inch tv and a 50 inch tv with no problem at all! The job was done in a timely manor. Both were very professional and friendly! The price was reasonable too!! I would highly recommend and trust the work of Affordable Home Repair for any job! Just an fyi…I told him I would take care of cord hanging down."
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Response time2 days
Response rate100%
2 neighbors recently requested a quote
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Advanced Air Heating & Cooling
5.0(
28
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+47 more

Serving Illiopolis, IL and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"Advanced Air Heating & Cooling has done several jobs for me and the price, professionalism and speediness of service are second to none. I don't use anyone else."
Recommended by100%of homeowners
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Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+47 more

Serving Illiopolis, IL and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"I had an issue with my computer where it was opening lots of pop ups, ad bars, and windows with ads for games. I had tried several different programs to try to remove it with no luck. I finally decided to call North Alabama Technical Service to see if I he could help. I was expecting to set up a time for him to look at it but he connected to my computer immediately and within an hour had it fixed and running perfect again. Great service at a great price and I didn't even have to disconnect it and carry it somewhere! Would call again if I have another issue I can't resolve myself."
2014 Super Service Award Winner!
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Recommended by97%of homeowners
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Avatar for Cripe Heating and Air - Home Facebook
Cripe Heating and Air - Home Facebook
4.8(
6
)
Central A/C - Service or RepairCentral Air Cleaner - Repair or ServiceElectric Furnace / Forced Air Heating System - Repair+8 more

Serving Illiopolis, IL and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"Would gladly hire again if I needed something done"
Response time7 hrs
Response rate92%
Recommended by100%of homeowners
Request Quote
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Heating and Air Conditioning questions, answered by experts

You might notice that your air conditioner isn’t running as effectively as it once did. Specifically, your AC unit could take longer to cool your home, or it might struggle to remove humidity from the air. Higher utility bills and hissing sounds coming out of your AC could also indicate a leak.

The cost of annual maintenance depends on the type of HVAC system you have. AC service typically costs an average of $200 but ranges from $100 to $550. If your system needs repairs, the price will vary significantly depending on what needs fixing. However, addressing the issues as they arise can prevent further damage to your unit and keep it operating efficiently for much longer.

A blocked return air vent can cause your HVAC system to work much harder and, therefore, less efficiently. The result is higher utility bills and poorer air quality. A blocked return air vent can also cause unpleasant dust, dander, and odors to linger in your home’s air.

No, you should not attempt to replace an AC evaporator coil yourself. This is a complex task that must be performed by a licensed HVAC technician. The process involves handling hazardous and flammable refrigerants, which poses significant safety risks. Attempting a DIY replacement can also cause further damage to your HVAC system and will likely void its warranty. It is necessary to hire a local AC repair professional for this job.

If your central AC is not blowing cold air, you should try resetting the system. Many systems have a reset button. Make sure your thermostat is off, then turn off the circuit breaker that powers your AC. Hold the reset button for three to five seconds, then turn the circuit back on. Set your thermostat to cool and choose a temperature cooler than the room. Your system should turn on quickly.

The Illiopolis, IL homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.

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