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From $50
Up to $500
Closed until Tue, 8:00 AM
In Festus, we are Crystal Heating & Cooling - your reliable HVAC partner. We specialize in a comprehensive range of services, from air conditionin…
The Best HVAC Company in Festus
Compare top-rated hvac providers in Festus. Profiles include verified reviews, service details, and direct contact options.
Service providers
Pioneer Mechanical, LLC.
Open today
From $50
Up to $500
Open 24/7
In the heart of Festus, we are Pioneer Mechanical, LLC., a dedicated team of HVAC professionals committed to serving homeowners with unwavering ex…
Perfect Air
Open today
From $50
Up to $500
Open 24/7
At Perfect Air in Festus, we're more than just HVAC specialists—we're your reliable partners in maintaining comfort and indoor air quality. We exc…
HVAC pros near Festus
These companies are based in nearby cities and serve Festus.
From $50
Up to $500
Closed until Tue, 6:00 AM
In the heart of Herculaneum, we are Partney Heating and Cooling LLC - your reliable partner in HVAC services. We specialize in providing top-tier …
From $50
Up to $500
Closed until Tue, 8:00 AM
In Barnhart's bustling community, we understand that a malfunctioning HVAC system can disrupt your comfort and routine. As Countywide Heating & Co…
From $50
Up to $500
Closed until Tue, 7:00 AM
In Imperial, we're SafeAir Duct Care – your reliable HVAC experts specializing in air duct and dryer vent cleaning services. Our mission is to imp…
From $50
Up to $500
Closed until Tue, 7:30 AM
In the heart of De Soto, we are De Soto Electrical Products - your go-to HVAC specialists. We pride ourselves on delivering top-tier services for …
From $50
Up to $500
Open 24/7
In Imperial, we're more than just a home services provider; we're your reliable partner in maintaining comfort and efficiency within your living s…
From $50
Up to $500
Closed until Tue, 7:00 AM
In Imperial, we are St. Louis HVAC Supply, your reliable partner for all heating and air conditioning needs. Our mission is to deliver optimal com…
From $50
Up to $500
Open 24/7
In the heart of Waterloo, we're more than just a HVAC services provider – we're your trusted partners for all heating and cooling needs. At Lunk's…
From $50
Up to $500
Open 24/7
At Advanced HVAC Solutions in Waterloo, we specialize in comprehensive heating, ventilation, and air conditioning (HVAC) services. Our team is ded…
From $50
Up to $500
Open 24/7
In Arnold, at Froggy's Heating and Air, LLC, we provide reliable HVAC solutions to homeowners who seek a hassle-free indoor climate. Our HVAC serv…
From $50
Up to $500
Closed until Tue, 8:00 AM
In homes across Arnold, we understand the importance of a comfortable, energy-efficient environment. As a leading HVAC services provider, we speci…
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Verified HVAC in Festus, MO
We show only active businesses that pass moderation. Results are specific to Festus and nearby service areas, and inactive profiles are removed to keep the list current.
Real reviews for hvac
Ratings and reviews come from customers who used the service. Compare hvac pros in Festus by experience, responsiveness, and value before you reach out.
Local-first search in Festus
Filter by neighborhood, check locations on the map, and find providers close to home or work in Festus. Listings are refreshed regularly — September 2026.
Around Festus, including Herculaneum
The same listings in the closest cities — providers there often take jobs in Festus too. Mileage is the approximate distance from Festus.
- Herculaneum 1.9 mi
- Barnhart 8.2 mi
- Imperial 10.2 mi
- De Soto 10.4 mi
- Waterloo 12.0 mi
- Arnold 12.7 mi
- St. Louis 14.3 mi
- House Springs 16.4 mi
- High Ridge 17.9 mi
- Columbia 18.5 mi
- Fenton 19.0 mi
- Affton 20.7 mi
Booking in Festus — September 2026
Looking for hvac in Festus? This page lists verified local providers with ratings, reviews, and contact options. We show active businesses only — profiles are moderated and updated by owners.
Compare pros by experience, price range, and customer feedback. Many providers offer free estimates or same-day service for common requests. Use filters and the map to find someone close to your address.
Before you hire
- Read the most recent reviews for your specific type of job.
- Ask about licensing and insurance when required for this trade.
- Get a written estimate for work over a few hundred dollars.
- Confirm availability and any trip or emergency fees upfront.
Tips & guides from GigoPro
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The Definitive Guide to Hiring Home Service Pros
A dead water heater, a flickering light, a leaking dishwasher, a roof that needs replacing — every home eventually needs a professional, and the person you choose decides the pric…
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The Complete Guide to AC Repair Costs
"How much does AC repair cost?" is the most-asked question in home comfort — and the honest answer is genuinely complicated. The price of a repair depends on the type of system, t…
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HVAC feedback from Festus residents
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Karen Will
I had a minisplit installed. I was happy with everything from the initial person who came to bid the job and the men that installed the system. They showed up when expected and left my place spotless. Everyone was friendly. I would recommend them.
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Minuteman Press - Arnold
Crystal Heading and Cooling are the Best! Very knowledgeable and on time. Highly recommend! Do not trust other HVAC companies that pretend they know what they are doing. Crystal DOES know what they are doing!
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Jennifer Fieser
Your employees were so professional their work was so well done oh my gosh I would I would recommend them to anybody and you have such a really nice crew and so polite yes I was very impressed and I loved the price I paid for it and I just can't believe how big the air conditioning is and how everything looks so nice oh my gosh I would recommend you to anybody out there oh wonderful wonderful wonderful I love you guys Crystal City Heating and Cooling you guys have a great great weekend thank you again Jennifer
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John Mauldin
Crystal heating and cooling is amazing. There technician (Hayden)came corrected the problem and more. Completely documented everything that was done. Very fair price for sure. It's in there name Rapid response. You can't go wrong with them. Very professional company. Call them you won't regret that you did.
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R Jordan
We got a whole system Furnace and AC , the installers Mike and Dudley did a great job talked thru what they were going to do and got started and finished up , cleaned up great , went over the system and new thermostat explained well and answered all are questions. Very satisfied
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Brenda Heitz
Austin was very knowledgeable and personable. Loved the detailed bid. WIthin one day, all equipment was installed and working properly and work area was totally cleaned up! Would definitely recommend this company!
