For emergency, after-hours service, please call 800-600-9292.
Normal office hours:
Festus, MO Location
Monday through Friday
7:30am to 5:00pm CST
Farmington, MO, Location
Monday through Friday
7:00am to 4:30pm CST
Washington, MO, Location
Monday through Friday
7:30am to 4:30pm CST
Although our 40+ trucks are everywhere, we have three offices, located in Festus, Farmington, and Washington, MO.
Festus Office
3 Cave Industrial Dr.
Festus, MO 63028
Local: 1-636-937-2927
Farmington Office
141 Busenbark Dr.
Farmington, MO 63640
Local: 1-573-431-5200
Washington Office
600 Washington Square Center,
Washington, MO 63090
Local: 1-636-900-9397
All our technicians are certified by the North American Technician Excellence (NATE) organization to ensure superior, real world, working knowledge of HVAC systems and designated areas of expertise. They are also part of the Sheet Metal workers Local 36 and the Plumber and Pipefitters 562.
Your comfort is important to us in every way. We conduct background checks on all of our employees so you can be comfortable to have them in your business or home.
Yes, Crystal Heating & Cooling is a member of ACCA, the Indoor Environment & Energy Efficiency Association, dedicated to promoting professional standards in contracting, energy efficiency, and healthy, indoor environments. We are also part of SMACNA, Sheet Metal & Air Conditioning Contractors' National Association.
Normally due to lack of maintenance. Your drain line could be clogged. For a service call, please contact us. And consider our Care Club where we maintain your HVAC units all year round, saving energy and your pocketbook.
Ice is caused by low airflow or the unit is low on refrigerant. For a service call, please contact us. And consider our Care Club where we maintain your HVAC units all year round, saving energy and your pocketbook.
Standard filters should be changed every 3 months. Some high-efficiency filters require a yearly replacement. Consider our Care Club where we maintain your HVAC units where we change your filters for you.
Turn your humidity control to its lowest setting.
Yearly. Consider our Care Club where we maintain your HVAC units!
Most thermostats use batteries. If yours has batteries, try replacing them.
Make sure the fan switch on the thermostat is turned to auto. If you have more questions or need assistance, contact us today!
Light frost on the outside coil is normal, steam will at times come from the unit while in defrost mode.
