Top-rated heating and air conditioning pros.

Get matched with top heating and air conditioning pros in Marissa, IL

Q: Do window AC units use a lot of electricity?

• <div><p>Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts&mdash;meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.</p></div>

Q: How do you know when your HVAC is going bad?

• <div><p>Aside from needing HVAC repair, there are times when you may need to replace your unit. <a href="https://www.angi.com/articles/insider-s-price-guide-new-heating-and-cooling-system.htm">HVAC replacement costs</a> <b>$5,000 to $12,500</b>. Here are some telltale signs that your HVAC unit is going bad:</p><ul><li><p>Your unit is 10 years or older.</p></li><li><p>Your home is very humid.</p></li><li><p>The unit keeps cycling without producing cool air.</p></li><li><p>You need to repair the unit frequently.</p></li></ul><p></p></div>

Q: Do portable ventless air conditioners work?

• <div><p>Yes, but they don&rsquo;t feel the same as an AC-cooled room. You&rsquo;ll feel cool, moist air, opposite from an HVAC system that dries the air as it cools. Ventless units also have less tonnage than alternatives like ductless and central air, which means they aren&rsquo;t as capable of quickly cooling large spaces or circulating cold air. </p></div>

Q: Should my HVAC damper be open or closed?

• <div><p>Whether an HVAC damper should be open or closed depends on the season, the zone it controls, and the temperature in that zone. In the summer, open upstairs dampers and close lower-level dampers to get the most efficient cooling possible. In the winter, do the opposite. Cool air will naturally flow down to lower levels, while warm air will rise. This keeps your system from working harder and helps prevent <a href="https://www.angi.com/articles/troubleshooting-common-air-conditioning-problems.htm">common AC problems</a>.</p></div>

Q: How do you find a reputable HVAC company?

• <div><p>To find a reputable HVAC company, start by researching providers in your area. Look for companies with mostly positive online reviews and check the Better Business Bureau&rsquo;s website for customer complaints. Next, verify their credentials. Rule out any companies that aren&rsquo;t licensed, as this is a requirement in some states and municipalities, and confirm they are insured. Once you have a shortlist, contact each professional to ask key questions: How many years of experience do you have? Do you hold any third-party certifications? Do you have experience working on my specific type of HVAC system or brand? Can you provide references? What is your per-hour pricing? Do you offer maintenance contracts for ongoing savings? Do you provide a warranty for your work?</p></div>

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

*The Angi rating for Heating And Air Conditioning Service companies in Marissa, 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 Marissa, 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 January 10, 2025

Find Heating and air conditioning pros in Marissa

Allstar Carpet & Upholstery Care

4.8(

)

Serving Marissa, IL and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Excellent job thank you. Will use them again for certain."

Response time8 hrs

Response rate89%

Recommended by97%of homeowners

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Healthy Home Pest Control & Services

4.4(

386

)

Serving Marissa, IL and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Healthy Home Pest Control & Services were fast, affordable, and professional. I would recommend using them for air duct cleaning services."

Response time9 hrs

Response rate95%

516 neighbors recently requested a quote

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The Furnace Guys Heating & Cooling

5.0(

)

Serving Marissa, IL and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"My furnace was not working & the repairman came out on a Sunday morning & made repairs to keep my home warm until he could get necessary parts on Monday."

Response time30 mins

Response rate100%

Recommended by83%of homeowners

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Mr. Handyman Metro East

4.6(

196

)

Serving Marissa, IL and surrounding areas

Approved

In business since 2000

Warranties offered

Small jobs welcome

"Bob came out and provided an estimate which included options for completing the work. Once the work was scheduled he arrived on time and courteous, as usual. New security light of our choosing was installed in our backyard and a GFI outlet were installed in the garage in under an hour. We have used Mr. Handyman Metro East for several projects at our home and continue to use them because of their professionalism, value and customer focus."

Response time1 day

Response rate100%

Recommended by95%of homeowners

Serving Marissa, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Credit card accepted

"He came very quickly, did a great job. Very professional. Also he let me know I did not need my dryer vent---which I appreciated very much!"

Response time7 hrs

Response rate99%

32 neighbors recently requested a quote

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Tiger Plumbing, Heating, Air Conditioning, & Electrical Services

3.4(

353

)

Serving Marissa, IL and surrounding areas

Approved (Corporate)

In business since 1993

Free estimates

Emergency services offered

"There wasn't a charge for the service because it was still under warranty."

155 neighbors recently requested a quote

Recommended by74%of homeowners

Serving Marissa, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Vinc and his crew at VMK did and excellent job and I highly recommend there services ! Dave Caputo"

Response time2 days

Response rate90%

66 neighbors recently requested a quote

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J.W. Repair LLC

New to Angi

Serving Marissa, IL and surrounding areas

Approved

Hello, my name is James. I perform many handyman/repair services. I won’t charge near as much as large commercial businesses, and promise to be transparent and honest with my work. I’m positive if I can’t help you with your problem then I could point you in the right direction to help get your issue resolved asap quick as possible.

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CJ pro lawns

New to Angi

Serving Marissa, IL and surrounding areas

Approved

CJ Pro Lawns is your local expert for professional lawn care and pressure washing services. With a focus on reliability and meticulous attention to detail, we help homeowners keep their properties looking their absolute best year-round. From precision lawn maintenance to restoring your home’s surfaces with expert pressure washing, we pride ourselves on punctuality and high-quality results. Fully insured and dedicated to customer satisfaction, we treat every property as if it were our own.

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C-MAC Development, LLC

New to Angi

Serving Marissa, IL and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

C-MAC Development, LLC offers quality services to clients at reasonable prices. Our courteous staff has the professional tools and experience necessary to help with all your needs. We specialize in interior and exterior painting, kitchen and bath remodels, flooring, window installations, fences and decks. Call today to get in touch with our staff, and to learn more about what we have to offer!

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Showing 1-10 of 142

Heating and Air Conditioning questions, answered by experts

Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts—meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.

Aside from needing HVAC repair, there are times when you may need to replace your unit. HVAC replacement costs $5,000 to $12,500. Here are some telltale signs that your HVAC unit is going bad:

Your unit is 10 years or older.
Your home is very humid.
The unit keeps cycling without producing cool air.
You need to repair the unit frequently.

Yes, but they don’t feel the same as an AC-cooled room. You’ll feel cool, moist air, opposite from an HVAC system that dries the air as it cools. Ventless units also have less tonnage than alternatives like ductless and central air, which means they aren’t as capable of quickly cooling large spaces or circulating cold air.

Whether an HVAC damper should be open or closed depends on the season, the zone it controls, and the temperature in that zone. In the summer, open upstairs dampers and close lower-level dampers to get the most efficient cooling possible. In the winter, do the opposite. Cool air will naturally flow down to lower levels, while warm air will rise. This keeps your system from working harder and helps prevent common AC problems.

To find a reputable HVAC company, start by researching providers in your area. Look for companies with mostly positive online reviews and check the Better Business Bureau’s website for customer complaints. Next, verify their credentials. Rule out any companies that aren’t licensed, as this is a requirement in some states and municipalities, and confirm they are insured. Once you have a shortlist, contact each professional to ask key questions: How many years of experience do you have? Do you hold any third-party certifications? Do you have experience working on my specific type of HVAC system or brand? Can you provide references? What is your per-hour pricing? Do you offer maintenance contracts for ongoing savings? Do you provide a warranty for your work?

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

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