Top-rated heating and air conditioning pros.

Get matched with top heating and air conditioning pros in Festus, MO

There are 13 highly-rated local heating and air conditioning pros.

TRUSTED BY FESTUS, MO HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon224
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Festus

Perfect Air

503 Warne St
4.67(
6
)
Approved Pro

Perfect Air

503 Warne St
4.67(
6
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
30 local quotes requested

Founded in 1982. Team members that are drug tested and background checked insuring that the people in your home are safe. We specialize in repairing and replacing residential heating and air conditioning systems. "Fixed Right or It's Free" Techs available Sat & Sun call for appointment.

Founded in 1982. Team members that are drug tested and background checked insuring that the people in your home are safe. We specialize in repairing and replacing residential heating and air conditioning systems. "Fixed Right or It's Free" Techs available Sat & Sun call for appointment.


Avatar for Liberty Heating & Cooling

Liberty Heating & Cooling

3236 Ridgetop View Drive
4.88(
42
)
Approved Pro

Liberty Heating & Cooling

3236 Ridgetop View Drive
4.88(
42
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
8 years of experience

We pride our business on excellent workmanship done by our top notch employees who are the best in the industry. Our prices are hard to beat especially for the quality you will receive every time you choose us. We also specialize in having excellent customer service and do not believe in being pushy at all with our customers. Our reviews will testify to these statements about our business ethics. Our technicians have been specially trained to handle the sophisticated high-efficiency systems currently on the market today. These include all air conditioners, heat pump, furnaces, boilers and tankless water heaters.

"Very impressed on how Prompt and professional these guys are. Highly recommend."

Alejandro M on October 2025

We pride our business on excellent workmanship done by our top notch employees who are the best in the industry. Our prices are hard to beat especially for the quality you will receive every time you choose us. We also specialize in having excellent customer service and do not believe in being pushy at all with our customers. Our reviews will testify to these statements about our business ethics. Our technicians have been specially trained to handle the sophisticated high-efficiency systems currently on the market today. These include all air conditioners, heat pump, furnaces, boilers and tankless water heaters.

"Very impressed on how Prompt and professional these guys are. Highly recommend."

Alejandro M on October 2025


Avatar for Oasis Express HVAC

Oasis Express HVAC

11520 St Charles Rock Rd Suite #201
No reviews yet

Oasis Express HVAC

11520 St Charles Rock Rd Suite #201
No reviews yet
6 years of experience

5 Years in Business, we specialize in Heating and Cooling services, Maintenance, Repair and New Installation System, Refrigeration Commercial Cooling and also Mechanical Drawings by a Licensed. Our Team made up of honest, responsible Tech.

5 Years in Business, we specialize in Heating and Cooling services, Maintenance, Repair and New Installation System, Refrigeration Commercial Cooling and also Mechanical Drawings by a Licensed. Our Team made up of honest, responsible Tech.


We specialize in all around home repair, hvac and custom sheet metal fabrication, maintenance, and improvements. The safety and investment of one's home is our top priority.


"They did the job right and got it done in an efficient manner."

Brandy B on August 2024

We have over a decade of experience in providing top-notch heating & cooling services. We specialize with indoor comfort at an affordable price.

"They did the job right and got it done in an efficient manner."

Brandy B on August 2024


Crump HVAC/R and Weatherization

5.00(
1
)

Crump HVAC/R and Weatherization

5.00(
1
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"They did a very good job communicating. Made an agreement and stuck to it. Was very professional and wonderful service. Highly recommend. 10/10"

Jessica I on December 2023

We guarantee your satisfaction and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"They did a very good job communicating. Made an agreement and stuck to it. Was very professional and wonderful service. Highly recommend. 10/10"

Jessica I on December 2023


BestChoice Hvac and Plumbing

No reviews yet

BestChoice Hvac and Plumbing

No reviews yet

Heating /Cooling and Plumbing / Drain Cleaning over 50 years experience Family owned and Offering the highest of quality at a reasonable price for families and small businesses

Heating /Cooling and Plumbing / Drain Cleaning over 50 years experience Family owned and Offering the highest of quality at a reasonable price for families and small businesses



Avatar for Arrow Mechanical

Arrow Mechanical

919 Crider Lane
5.00(
7
)

Arrow Mechanical

919 Crider Lane
5.00(
7
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We specialize in all phases of heating and cooling services, installs, repairs, maintenance, and more! We service St. Louis and surrounding counties. We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call -or- click to schedule an estimate today!

"They were the only HVAC company that could respond quickly when the temperatures outside were in the single digits. They did not take advantage of the situation by over charging."

Alan H on December 2022

We specialize in all phases of heating and cooling services, installs, repairs, maintenance, and more! We service St. Louis and surrounding counties. We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call -or- click to schedule an estimate today!

"They were the only HVAC company that could respond quickly when the temperatures outside were in the single digits. They did not take advantage of the situation by over charging."

Alan H on December 2022


Faith Mechanical

No reviews yet

Faith Mechanical

No reviews yet
5 years of experience

My name is Jon and I am the owner/operator of Faith Mechanical. I have 15 years experience in this field and I am working to make this a full time business for myself. My services include: Heating and cooling Appliances Plumbing Electrical Handyman Services You will receive quality, guaranteed work from a friendly and honest technician. You will know all costs up front, no surprise bills!

My name is Jon and I am the owner/operator of Faith Mechanical. I have 15 years experience in this field and I am working to make this a full time business for myself. My services include: Heating and cooling Appliances Plumbing Electrical Handyman Services You will receive quality, guaranteed work from a friendly and honest technician. You will know all costs up front, no surprise bills!

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Heating and Air Conditioning questions, answered by experts

A new HVAC unit typically adds about $2,500 to $3,000 to the value of your home or about 5% to 7% of your home’s value. Since a new unit can cost up to or more than $10,000 to install, it’s up to you to decide if the upfront cost is worth the added value. Consult a local AC installer to determine next steps.

The difference between a home surge protector and an HVAC surge protector is that an HVAC surge protector is designed to protect the components inside your HVAC unit while a home surge protector is installed near appliances and meant to protect your entire home. There are three tiers of whole-house surge protectors, and they are more expensive to install than HVAC surge protectors.

Fixing a leak in an AC unit costs $200 to $1,600, depending on the type of leak and any related damage. But depending on the age and condition of your AC, it might make more sense to replace the AC unit instead of repairing it. If your AC is only a few years old and relatively problem-free, then repairing it is the right call. But if it’s nearing a decade old and has other issues, consider replacing it.

It depends on the type of AC unit and the extent of the mold growth. For example, if you have a small amount of mold in your central air conditioner, it’s worth cleaning it to protect your HVAC system and your health. In situations like these, you can often remove the mold yourself in a couple of hours. On the other hand, if you have a portable AC unit with a severe mold problem, it makes more sense to buy a new one. On average, replacing a portable AC unit costs $100 to $500.

Yes. It's not just AC filters that get dirty. Ducts can accumulate dust and dirt quickly. Insects and animals can also get into duct systems, creating many problems. Dirt build-up and unwanted guests can constrict the airflow and cause rooms not to cool evenly. You might also see higher energy bills because they're not working as efficiently.

The Festus, MO 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.