Top-rated heating and air conditioning pros.

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

Q: How do I fix uneven cooling in my house?

• <div><p>If your whole house is cold that&rsquo;s one thing, but what if you only have a few rooms that are cold? First, you need to determine why this may be happening. A good place to start is to investigate the potential causes listed in this article&mdash;heat transfer, airflow, thermostat problems, humidity, and insulation. Once you&rsquo;ve narrowed down the issue, you&rsquo;d apply the same principles to the cold rooms as you would to the entire home. </p></div>

Q: Is it cheaper to run a window unit or central AC?

• <div><p>It depends on the size of the space you&rsquo;re cooling down. If you&rsquo;re looking for the most affordable way to cool an entire house over a long period of time, then central air will be more cost-effective. But when it comes to cooling down a couple of rooms or one floor, a window unit may be the cheaper option, with both a lower cost to install and less energy used to run.</p></div>

Q: How do I reset my central AC when it’s not blowing cold air?

• <div><p>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.</p></div>

Q: Are all HVAC Schrader valves the same?

• <div><p>As mentioned above, not all HVAC Schrader valves are necessarily the same. While the valve core and pin or spring size on Schrader valves used for HVAC are generally similar, the valves are not all universal and interchangeable. The size of Schrader valves varies depending on whether it's used in an air conditioner, bicycle tire, or motor vehicle tire.</p></div>

Q: How do I protect my air conditioner in the winter?

• <div><p>You can protect your air conditioner in the winter by turning off the power at the thermostat and performing <a href="https://www.angi.com/articles/8-spring-air-conditioning-tips.htm">routine HVAC maintenance in the spring</a>. Regular maintenance, cleaning, and repair of your AC unit helps protect it and extend its life span. If you have a window AC unit, remove it from the window and store it in a dry place during the winter. Window units cannot withstand freezing temperatures. Keeping them in your window also allows cold air to seep into your home. </p></div>

Enter your zip and get matched with up to 5 pros

Need a pro for your heating and air conditioning service project in Marissa, IL?

Select your specific project to find the pro for you.

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

Request Quote

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%

517 neighbors recently requested a quote

Request Quote

The Furnace Guys Heating & Cooling

5.0(

)

Serving Marissa, IL and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Phil has great knowledge of our radiator and furnace and we always call him to fix it. Itâ s an old heating and cooling system because our house is old and he knows how to fix the issues every time."

Response time30 mins

Response rate100%

Recommended by83%of homeowners

Request Quote

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

Request Quote

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."

159 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%

65 neighbors recently requested a quote

Request Quote

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.

Request Quote

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.

Request Quote

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!

Request Quote

...

Showing 1-10 of 142

Heating and Air Conditioning questions, answered by experts

If your whole house is cold that’s one thing, but what if you only have a few rooms that are cold? First, you need to determine why this may be happening. A good place to start is to investigate the potential causes listed in this article—heat transfer, airflow, thermostat problems, humidity, and insulation. Once you’ve narrowed down the issue, you’d apply the same principles to the cold rooms as you would to the entire home.

It depends on the size of the space you’re cooling down. If you’re looking for the most affordable way to cool an entire house over a long period of time, then central air will be more cost-effective. But when it comes to cooling down a couple of rooms or one floor, a window unit may be the cheaper option, with both a lower cost to install and less energy used to run.

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.

As mentioned above, not all HVAC Schrader valves are necessarily the same. While the valve core and pin or spring size on Schrader valves used for HVAC are generally similar, the valves are not all universal and interchangeable. The size of Schrader valves varies depending on whether it's used in an air conditioner, bicycle tire, or motor vehicle tire.

You can protect your air conditioner in the winter by turning off the power at the thermostat and performing routine HVAC maintenance in the spring. Regular maintenance, cleaning, and repair of your AC unit helps protect it and extend its life span. If you have a window AC unit, remove it from the window and store it in a dry place during the winter. Window units cannot withstand freezing temperatures. Keeping them in your window also allows cold air to seep into your home.

The Marissa, 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.

See all articles

Dan Simms
•
Feb 25, 2026Feb 25, 2026
How Much Does a Heat Pump Cost in St. Louis? [2026 Data]
Heat pumps are highly efficient and can help reduce heating and cooling costs. Learn about heat pump costs in St. Louis, Missouri, to set your budget.
Kat Brancato
•
May 18, 2026May 18, 2026
How Much Does HVAC Repair Cost in St. Louis, MO? [2026 Data]
Heating and cooling system on the fritz? Discover the factors that go into HVAC repair costs in St. Louis, MO, and how you can save money on this crucial home update.
Deane Biermeier
•
Apr 2, 2026Apr 2, 2026
How Much Does AC Coil Cleaning Cost in St. Louis, MO? [2026 Data]
When determining the AC coil cleaning cost in St Louis, MO, you’ll need to factor in the size, cleaning method, and type.
Marwa Hasan
•
Jul 9, 2026Jul 9, 2026
Can You Add Central Air to a Baseboard-Heated House?
A central air system is great for someone looking to cool and heat their home all year round. Even if your home uses baseboard heating, you can still make the switch. Read on to learn more about adding central air to a baseboard-heated house.
Katy Willis
•
May 21, 2026May 21, 2026
12 Air Conditioning Tips for the Summer
Try these 12 top tips to keep your air conditioner working at maximum efficiency. Stay cool, and minimize energy costs with this expert air conditioning advice.
Lawrence Bonk
•
Jul 15, 2026Jul 15, 2026
13 Cool Tips to Reduce Air Conditioning Costs This Summer
Learn how to save money on air conditioning costs this summer by following this handy guide all about your favorite cooling system.