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TRUSTED BY SAINT JOSEPH, IL HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon172
    Verified heating and air conditioning services reviews

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

Avatar for Lockhart Electric, LLC
Lockhart Electric, LLC
5.0(
13
)
Electrical Baseboard or Wall Heater - InstallElectrical Baseboard or Wall Heater - Repair

Serving Saint Joseph, 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 Saint Joseph, IL and surrounding areas

In business since 1985

Free estimates

Emergency services offered

"I was very impressed with Rich throughout the entire process of working with him. He gave us the best price for the same appliances the other companies were going to install. Rich was the only one who actively followed up and answered all of my questions prior to hiring him. When we did hire him, he arrived on schedule and completed the job on schedule as well. I was very impressed with his professionalism. I would recommend Rich to anyone in the market for a new HVAC system. I will hire him again for maintenance and other HVAC needs."
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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 Saint Joseph, 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

AC evaporator coils should be cleaned at least once per year to keep your unit in good condition. For optimal performance, consider cleaning them twice a year—once before and once after the main cooling season. More frequent cleanings may be necessary for older systems, units with performance issues, or those in climates with high levels of humidity, dust, and dirt.

Yes, HVAC zoning is generally considered worth the investment by both experts and homeowners. Zoned systems offer significant benefits in convenience, efficiency, and comfort by allowing you to set different temperatures for various rooms or 'zones' in your house. This ability to heat and cool only the spaces you're using leads to energy savings and lower utility bills. Zoned systems are especially effective in multi-level homes that experience temperature fluctuations, but even smaller homes can benefit from the ability to adjust temperatures more quickly. While the up-front installation cost can be high, many find it's a worthwhile long-term investment, particularly for those who plan to stay in their home for a while.

Mold in your air conditioner isn't a good thing, as it can be harmful to your health. If the mold travels through the ductwork or is blown out of the A/C, you and your family can inhale mold spores and develop respiratory illnesses and other problems. Preventing mold from growing in the air conditioner will help protect your health.

While most air conditioners can last between 10 and 20 years, they will only last this long (or longer) if properly taken care of. Routine maintenance and inspections help keep your AC unit running in tip-top shape but understanding what factors will decrease its lifespan will also help keep your unit running cool.

Some things that shorten your AC’s lifespan include:

  • Extreme outdoor conditions, like high humidity or extensive salt spray 

  • Improper installation

  • Extended run times, either by the unit being too small or the thermostat setting too low

  • Not performing required maintenance

It’s never a good idea to run your AC without a filter, even just for a night. The filter defends your HVAC system from the dust, dirt, debris, and other grime in your home. Without a filter, those contaminants are more likely to get inside your system and potentially damage it. 

The Saint Joseph, 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.