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.

08/29/2026

Reminder we are here for all your HVAC needs!!!

More Than Just Fixing an ACEver wonder what it takes to become an HVAC service technician? It’s a LOT more than knowing ...
08/27/2026

More Than Just Fixing an AC

Ever wonder what it takes to become an HVAC service technician? It’s a LOT more than knowing how to change a capacitor. 😅

Our technicians have to learn electrical systems, refrigeration, airflow, combustion, motors, controls, diagnostics, safety, building science, tools, equipment, and so much more. They have to understand how all those pieces work together—and more importantly, how to figure out what’s wrong when they don’t.

They’re constantly learning, troubleshooting, calculating, testing, reading diagrams, making decisions and solving problems… often while standing in an attic, crawling under a house, or working on a 100° rooftop. 🥵

The next time you see an HVAC technician pull up to your house, remember: you’re looking at a highly skilled problem-solver.

It takes intelligence, patience, mechanical ability, critical thinking and a whole lot of determination to do this job well.

We’re proud of the knowledge and skill our technicians bring to the job every single day. This trade is no joke—and our guys are pretty darn smart. 👏🔧

08/26/2026

When you have to hunt down a very pesky refrigerant leak… 🕵️‍♂️🔍

Thankfully, having some previous experience with this particular type of leak—and knowing where to look—made this one a little easier to track down.

Sometimes it’s not about getting lucky… it’s about having the knowledge and experience to know what you’re looking for. 💪❄️

08/24/2026

Let’s just say… it’s got A LOT of airflow. 💨😂

When you know, you know.

08/23/2026

A properly installed HVAC drain system is crucial to protecting your home or business. An improperly installed or poorly maintained drain can turn a simple HVAC issue into a major headache—with water raining down from above and potentially causing costly damage.

Proper installation, easy access for maintenance, and routine cleaning can help keep your system draining as it should and give you greater peace of mind.

While not every water leak can be prevented, using the right installation and maintenance practices can significantly reduce your risk.

Don’t wait for the rain to come from your ceiling—make sure your HVAC drain is installed and maintained properly! 🔧❄️

If it fits it sits! Happy Friday, friends. We hope you have a great weekend.
08/21/2026

If it fits it sits!

Happy Friday, friends. We hope you have a great weekend.

08/20/2026

The New Guy 😂

“Sorry, I’m new here…”

Buddy… you’ve only been here for 20 YEARS. 😂😂

At this point, you’re not new—you’re part of the furniture. 🤣

08/19/2026

One thing about it. We got you covered!

08/18/2026

Me calling my HVAC techs to see if they can get “just ONE more call” in… 😂

Techs: “Absolutely not.”
Me: “What if it’s a quick one?”
Techs: 😐

Peak season has us all negotiating like it’s the final call of the night. 😂🔥

Our techs are working HARD, and we appreciate every single one of them!

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

Website

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