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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon443
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Champaign - Updated Nov 2026

Avatar for Healthy Homes, LLC
Healthy Homes, LLC
4.5(
32
)
Air Ducts & Vents - Clean

Serving Champaign, IL and surrounding areas

Approved

In business since 2015

Emergency services offered

Warranties offered

"Everyone was very efficient and courteous - even discovered an issue with our electrical wiring that may have caused issues in the future. Would definitely recommend Healthy Homes!"
Justice Project
Justice Project
Justice Project
Justice Project
Justice Project

+36

Response time2 days
Response rate92%
2 neighbors recently requested a quote
Avatar for Lockhart Electric, LLC
Lockhart Electric, LLC
5.0(
13
)
Electrical Baseboard or Wall Heater - InstallElectrical Baseboard or Wall Heater - Repair

Serving Champaign, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1986

Free estimates

Small jobs welcome

"Lockhart Electric has done several projects for me. Everything from replacing switches and fixtures to upgrading my breaker panel. They are always so helpful and knowledgeable. The prices are always fair, and they always give me options to help me make the best decisions depending on my need and my budget. I trust them with my home and I wouldn't call anyone else."
Kitchen Lighting
Response time1 day
4 neighbors recently requested a quote
Avatar for Abbott HVAC
Abbott HVAC
4.7(
32
)
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 Champaign, IL and surrounding areas

In business since 1985

Free estimates

Emergency services offered

"When my HVAC unit went out I called A n 1 at 12:30am, as I have gotten home from work not too long ago. He answer and said he be right there. He came through check it all out and let us know exactly what needed to be done. He quote us too on the price if we decide to stick with him. Since he is a smaller personally owned company he didn't have financial options. So we had to think if over. Anyways I offer to give him some cash for coming out here so late and he kindly refuse, which was very kind of him. Even though it was already 2am by the time he was done checking it all out. After a few calls to other companies we realize we rather pay a hard working, honest man and help smaller local business. Also his price was unbeatable and the quote he quoted us was what we pay no hidden cost or anything. Needless to say we were highly satisfy with his work and his honesty. He was upfront with what was needed and didn't not try to sell us on anything else. Highly recommend his service! And the price was very reasonable!!!"
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+37

Recommended by93%of homeowners
Avatar for Ameriplumb Plumbing Co.
Ameriplumb Plumbing Co.
4.9(
70
)
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 Champaign, IL and surrounding areas

In business since 2006

Free estimates

Emergency services offered

"We woke up to a 63 degree house.  Not good in Illinois in early February.  Checked the boiler, and the pilot light was out.  I could not get it to light again.  I contacted an HVAC only company, and they told me, since it was a boiler system, I needed to contact a plumber.  Ameriplumb has been recommended to me by Custom Home Updates, so I called.  They fit me into their busy schedule the same day (rare these days), fixed the problem (thermocoupler) at a very reasonable price, and they were very pleasant, courteous and efficient.  Heat was on that evening (which is good to know with a one year old in the house).
"
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Recommended by100%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

Many HVAC manufacturers provide warranties that encompass the cost of a new compressor, with durations ranging from 5 to 10 years, depending on the brand. These warranties cover critical components such as the compressor, condenser, connecting tubing, evaporator, and refrigerant charge. Moreover, they often include the necessary labor for replacement or repairs. Keep in mind that premium-brand compressors may offer lifetime warranty options. It's essential to note that these warranties rarely cover labor costs.

The average cost to replace or install a new HVAC system is around $7,500. However, the price can range from $5,000 to $12,500, depending on factors like the size of your home, the type and brand of the unit, and your specific heating and cooling needs. If you only need to replace certain components, the cost will be lower; for example, a new AC unit can cost between $2,200 and $5,500, while a new furnace costs $3,200 to $6,000. If additional work like new ductwork is required, the total cost could be as high as $22,000. It's best to contact a local HVAC company for an accurate quote.

If refrigerant levels are low, it can cause the evaporator coil to freeze up. Low freon causes a drop in pressure, which will make the coil too cold and cause moisture to freeze on the coil. Your system may be low on refrigerant because of a leak. 

Make sure to have maintenance performed twice a year, and contact your local HVAC technician if you suspect your system has low freon levels.

Yes, high-efficiency models reduce environmental impact with lower energy use.

Yes, a dirty air filter can cause a higher electric bill. That’s because clogged filters make it harder for air to flow through your HVAC system, which forces it to work harder and use more energy. According to the U.S. Department of Energy, replacing dirty filters can save you between 5% and 15% in utility costs.

The Champaign, 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.