HVAC Products and Services
We're a full-service heating and cooling company, proudly serving St. Louis and surrounding areas with AC and furnace repair, new installation, air duct cleaning, and more. Browse our services and products below or request a free onsite estimate.
AC not blowing cold air, making a noise, or not turning on? We can help.
Furnace not working? Hearing strange noises? Smelling gas? Contact us.
We carry Carrier ACs, Heat Pumps, Fan Coils, Gas Furnaces, and more.
Need new AC installation or replacement? Fast, friendly services.
Count on us for new commercial or industrial equipment & mechanical issues.
Want to lower your energy bills or add AC or Heat in a single room? We got you.
Air Duct Cleaning
Is the airflow in your home weak? Dust building up? Filters clogged?
Breath clean air and protect your family from air contamination in your home
What's New at Crystal?
HVAC Maintenance Plans
Keep your HVAC system running its best 24x7x365 with our new HVAC maintenance plans. Receive priority service, up to 15% discounts on repairs & parts, priority scheduling & more.
Indoor Air Quality Products
Our Indoor Air Quality products and services will create a healthier home environment. From creating fresher air to removing the humidity and more, we can help! Save for a limited time.
Save by joining our Care Club. What are the top year-round benefits of enrolling in HVAC Maintenance?
- Lower energy costs
- Comfort year-round
- Less risk of breakdown
- Less costly repairs
- A dependable system
- Much better air quality
Whole House Air Purifier (new)
Are you breathing in allergens, dust, smoke, mold, or even viruses (Covid-19) in your home's air? Breath clean air with iWave!
Ductless Mini Split Systems
Our ductless mini-split systems by Carrier will fit any space, any need, and utilization! Bring any space to life!
It's Official; We've Gone Green!
Proud to be a Carrier Factory Authorized Dealer.
You can trust us with all your heating and cooling needs, and in Carrier with your comfort.
We're a 5-Time Winner
2014, 2015, 2017, 2018 & 2022
Stay Connected With Email
As an HVAC company serving St. Louis and surrounding cities, you'll benefit from our latest deals, product announcements, important service notifications, latest blogs, and more. Your email is safe with us so subscribe today and be in the know!
Valued Commercial Clients We Serve
As a commercial HVAC company, we've been delivering the most dependable repairs, new Carrier product installation, and maintenance to thousands of businesses across St. Louis and surrounding cities. So when you need the best team to get the job done, count on Crystal.
We Love Our Customers
As an HVAC Company, we strive every day to provide the very best products and services to every valued customer we're privileged to serve.
You Can Count On Our Experience
What we've done in the last 7 years alone.
Trouble Calls Service Department Ran
Homes We Installed Equipment
Businesses We Installed Equipment
Positive Reviews from Customers
Locations in Festus, Farmington, and Washington, MO
With locations from Farmington, MO, to Washington, MO, and over 40 rapid response trucks ready to serve, we proudly cover the entire St. Louis metropolitan area and service all makes and models.
Just Researching? We Got You.
AC Installation Tips from Heating and Cooling Experts
Your home's air conditioner is the key to keeping you comfortable in the warmer months. When it isn't working correctly, it can cause discomfort and unnecessary stress. Knowing when you should replace your unit, what choices you have, and how to choose the best HVAC contractors in St. Louis to do the job will help ease the stress that an old air conditioner can cause. Dig into this article on ac installation.
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