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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

Look up your model number online to find additional information. Usually, you can just take a look at the old filter and find the brand name and dimensions to order a new one. When replacing the filter, always check that it’s pointed the right way to match the direction of your airflow. Many filters have arrows on them to help with this step.

Evaporator coils in HVAC systems typically last around 10 to 15 years. However, their life span can be longer or shorter based on factors like the frequency of your HVAC system usage, whether regular maintenance is performed, and environmental conditions. Regular maintenance, such as HVAC system cleaning and coil inspection, can extend the durability and efficiency of your evaporator coil.

A damper motor can last up to 15 years, but it can wear out more quickly than that if you run your HVAC unit a lot. So you might expect a longer life in a colder climate than if you live in a warmer climate.

When deciding whether to repair or replace your air conditioner, several factors should be considered. It is generally worth repairing the unit if it's less than 10 years old, the warranty is still active, and you're dealing with a one-off issue. Most central AC units last about 15 years, while window units last 8 to 10 years. If your unit is approaching or has surpassed the 10-year mark and requires frequent or costly repairs (e.g., over $5,000), replacement is often the more sensible long-term investment. For older, inefficient, or out-of-warranty units experiencing multiple problems, replacing it is typically the better choice.

Air filters with a high MERV rating, 11 or above, shouldn't cause airflow problems in most residential systems. However, the airflow can be restricted in some HVAC systems if they aren't designed for high MERV ratings. If in doubt, a local duct installer should inspect your ductwork so that you know what your system can handle.

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.