Crystal Heating & Cooling

Crystal Heating & Cooling Since 1965, Crystal Heating and Cooling has served Greater St. Louis with residential & commercial HVAC services. We're "The Fleet That Can't Be Beat."
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We offer installation, maintenance, repair, & energy-efficient upgrades. Our team ensures comfort & satisfaction for all your HVAC needs. Since 1965 Crystal Heating & Cooling, a factory-authorized Carrier dealer, has served St. Louis metropolitan residential and commercial customers with the best HVAC products and service in the industry. We consistently solve problems & exceed expectations; wheth

er a quick tune-up or an entirely new system, we'll take care of you. We offer AC repair, furnace repair, new HVAC installation for residential and commercial alike, and much more. Emergencies will be handled swiftly & efficiently. Your comfort is our top priority, day & night.

Jacob Mayer is a great addition to our team, bringing a strong work ethic and a willingness to take on new challenges. S...
06/12/2026

Jacob Mayer is a great addition to our team, bringing a strong work ethic and a willingness to take on new challenges. Since joining the department, he has contributed to a variety of projects, including plan-and-spec work and commercial change-outs, helping ensure jobs are completed with quality and attention to detail.

Whether he’s assisting with complex commercial projects or supporting our team behind the scenes, Jacob continues to make a positive impact every day. We’re grateful to have him on board and look forward to seeing all he accomplishes as he continues to grow with Crystal Heating & Cooling.

Thank you, Jacob, for your hard work and dedication! 👏

06/10/2026

Keeping Comfort Running Strong

While performing routine maintenance on an air conditioning system, our service technician, Colton, noticed a few components that were showing signs of wear and could benefit from an update.

That’s one of the many reasons preventative maintenance is so important. It’s not just about keeping your system clean and operating efficiently today—it’s also about identifying potential issues before they become costly breakdowns tomorrow.

We trust our technicians to thoroughly inspect every system they service and make honest recommendations when improvements are needed. Whether it’s updating aging components or keeping a well-maintained system running at its best, our team is committed to helping customers get the most life and performance out of their equipment.

A big thank you to Colton and all of our technicians who work through the heat to keep our customers comfortable all summer long!

Today we’re recognizing Mason and his crew from our Residential Installation Department!One of the things that makes Mas...
06/08/2026

Today we’re recognizing Mason and his crew from our Residential Installation Department!

One of the things that makes Mason such a valuable part of our team is his versatility. Over the years, he’s installed everything from complete HVAC systems to mini-splits in all kinds of homes and situations. Whether it’s a brand-new home, a century-old house, a tight basement, an attic, or an outdoor unit tucked into a hard-to-reach location, Mason consistently finds a way to get the job done right.

Every installation presents its own challenges, and Mason has tackled projects of all shapes and sizes across our service area. His attention to detail, workmanship, and commitment to our customers help ensure every system is installed properly and built to last.

We’re proud to have team members like Mason representing Crystal Heating & Cooling and helping keep our customers comfortable year-round.

Great work, Mason! 👏

Here are some photos of his recent work!!

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We had a great time at Freedom Fest! 🇺🇸🎆There’s nothing better than spending an evening with our community, seeing famil...
06/07/2026

We had a great time at Freedom Fest! 🇺🇸🎆

There’s nothing better than spending an evening with our community, seeing familiar faces, and celebrating together. We always enjoy being part of events that bring people together and showcase what makes our hometown such a special place.

Thank you to everyone who stopped by, said hello, and helped make the event such a great success. We appreciate the support and are proud to serve this amazing community every day.

Check out a few photos from the festivities!

Here are few pictures from last night’s Country Days Parade in Farmington! 🇺🇸🎉We always enjoy being part of events that ...
06/06/2026

Here are few pictures from last night’s Country Days Parade in Farmington! 🇺🇸🎉

We always enjoy being part of events that bring our community together. Seeing familiar faces, meeting new people, and celebrating alongside our neighbors is one of the many reasons we’re proud to call this area home.

Thank you to everyone who came out, waved, and supported local businesses throughout the event. We had a great time and are already looking forward to next year!

Shouting out Matt B from our commercial department!!Matt has been putting in some outstanding work lately!He’s been doin...
06/05/2026

Shouting out Matt B from our commercial department!!

Matt has been putting in some outstanding work lately!

He’s been doing a great job on the QuikTrip remodel projects, helping keep things moving and delivering quality results every step of the way. On top of that, he’s also been lending a hand in the Cape area, where he’s taken on a sizable ductwork project at the Culligan plant that’s progressing extremely well.

We appreciate team members like Matt who are always willing to step up, tackle new challenges, and go wherever they’re needed to help the team succeed.

Great work, Matt! Keep it up! 👏

06/04/2026

While our technicians are busy keeping businesses cool, we’re curious about something a little more fun. ☀️✈️

As you watch this commercial A/C getting cleaned and ready for the season, our technician is sharing some of his favorite vacation memories—and we want to hear yours!

🏖️ What was your favorite childhood vacation?
🚗 Was it a family road trip, a trip to the lake, a theme park adventure, or something else?
💭 What’s one memory from that trip you’ll never forget?

Drop your answer in the comments and let’s take a trip down memory lane together!

Meanwhile, we’ll keep making sure local businesses stay comfortable all summer long. 😎❄️

06/04/2026
🏆 Honored to Support Our Community 🏆Recently, we had the privilege of attending the Cape Girardeau Noon Optimist Club me...
06/04/2026

🏆 Honored to Support Our Community 🏆

Recently, we had the privilege of attending the Cape Girardeau Noon Optimist Club meeting, where Crystal Heating & Cooling was recognized with a plaque for being a Presenting Sponsor of Chili Day 104.

While we’re grateful for the recognition, what stood out most was learning more about the impact this organization has on our community. Through fundraising efforts and volunteer work, they help support youth programs, playground projects, sports leagues, community recreation, and so much more. The funds raised stay right here in our area, helping create opportunities for local kids and families.

As a locally owned business, we believe strong communities are built when people invest in one another. We’re proud to have played a small part in supporting an event that helps make those investments possible.

A sincere thank you to the Cape Girardeau Noon Optimist Club for all they do behind the scenes to make our community a better place.

The Customer Shout-Outs for Jack keep rolling in and we want to share them!!!The best recognition comes from the people ...
06/03/2026

The Customer Shout-Outs for Jack keep rolling in and we want to share them!!!

The best recognition comes from the people we serve.

We recently received this feedback from Pat at Patrick Furniture:

“Jack was very well prepared, very knowledgeable (even when he reached out for help from a supervisor, he did so to be sure of the proper diagnosis), well-mannered, and carried himself amazingly maturely for such a young guy.”

Comments like this speak volumes. Technical knowledge is important, but so is professionalism, humility, and the willingness to double-check your work to ensure the customer gets the right solution. Jack demonstrated all of those qualities.

One thing we especially appreciate is that he wasn’t afraid to reach out for a second opinion to confirm his diagnosis. That’s not uncertainty—it’s commitment to getting it right.

We’re proud to have team members who represent Crystal Heating & Cooling with integrity, professionalism, and a customer-first mindset.

Great work, Jack! Thanks for making us proud and taking care of our customers the right way. 👏

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Address

3 Cave Industrial Drive
Festus, MO
63028

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

+16369372927

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