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By Larry B. on 04/19/19
Another great service call by Cary. Cary's knowledge of Geothermal gives me confidence in my system. Thanks Cary.
By Lynn c. on 04/18/19
Will Lewis was excellent.. Very courteous, knowledgeable, and showed different things on furnace/air conditioner I needed to know that none of the other servicemen had done. Highly recommend Mr. Lewis and crystal air.
By John G. on 04/17/19
Ronnie did a great job, very professional, answered all my questions and took care of our HVAC system hopefully for another season. Thanks for the service, John
By William S. on 04/17/19
Trent did a very thorough cleaning on our ac unit and furnace Hope to have him as our permanent service technician
By STEVE/MICHELE M. on 04/16/19
I person was every knowledgeable about the unit and new a lot about the thermostat and showed my husband to use it a whole lot better. Because when it was put in and person that installed it new nothing about the WIFI thermostat.
By Richard J S. on 04/16/19
Prompt, Polite and Service minded. Cary quickly diagnosed the problem. He showed me the issue and promptly fixed the problem. What more could you ask for.
By Mike V. on 04/16/19
On time,fast work,very knowledgeable
By Sheila G. on 04/14/19
Love Crystal H&C. Darren H has been here a couple times for maintenance and is very friendly. He always offers helpful hints. Crystal is very trustworthy and I recommend them often.
By Bernadine M. on 04/12/19
Cary j did a great job today servicing our heating and cooling system. He was thorough and very aware of all parts of the system that needed to be checked.
By Michelle B. on 04/12/19
I trust Crystal Heating and Cooling and Cary J. to repair my HVAC because they’re knowledgeable, on time and they always get the job done. Always great to work with! Thanks.
By Derek on 04/11/19
Will was on time, friendly, and willing to explain everything to me. I ask a lot of questions. Would recommend.
By Kay C. on 04/10/19
Ronnie S serviced our air conditioner this spring. Great customer service!
By Crystal H. on 04/09/19
Once again, Cary was very professional and right on time for our appointment. more
By Donna on 04/09/19
Will L. was very confident in his work , clean , courteous . Will L. was on time and did a good job in a timely manor . Thank you Will.L
By Vincent C. on 04/09/19
Darren fixed our AC problem very quickly. We were very surprised to get such quick service on a Sunday.
By Eric B. on 04/08/19
Fast service, after hours. Figured out the issue and fixed it right away. No hassle. and a good guy to boot!
By Pat S. on 04/08/19
Ronnie performed preventative maintenance check today. He was polite, respectful of me and my home, found a problem and resolved it all during the one visit. I have always had excellent service with Crystal Htg and Cooling, and the staff are fantastic. I receive...
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Ronnie performed preventative maintenance check today. He was polite, respectful of me and my home, found a problem and resolved it all during the one visit. I have always had excellent service with Crystal Htg and Cooling, and the staff are fantastic. I receive a call when the tech is on the way, and everyone is polite and professional. I will continue to use them for my heating and cooling needs and would highly recommend them to others.
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By Pat S. on 04/08/19
I have been using Crystal Heating and Cooling for around 7 years. They are always friendly and knowledgeable. They call ahead to tell you that they are on their way, this is important because a lot of the time I am at home alone with my son. Carl was great with ...
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I have been using Crystal Heating and Cooling for around 7 years. They are always friendly and knowledgeable. They call ahead to tell you that they are on their way, this is important because a lot of the time I am at home alone with my son. Carl was great with my son and dog on his last visit. I high recommend them. Also the service contract is worth it!!!
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By ROBERT a N. on 04/05/19
Good service technicians are always polite and knowledgeable
By BARBARA J. on 04/03/19
Gary is the best!
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CALL TO SCHEDULE
(636) 937-2927

Select any employee to see all their reviews.

Darren H
Rating:
402 total reviews!
Cary J
Rating:
258 total reviews!
Gayle E
Customer Service Rep.
Rating:
(152 total reviews)
Heather S
Customer Service Rep.
Rating:
(68 total reviews)
Ronnie S
Rating:
(81 total reviews)
Andy P
Rating:
(75 total reviews)

* Total number of reviews and star-ratings are based on data collected during the time period Crystal Heating and Cooling has been using the ReviewBuzz system and may not directly match the data found on each public review site.

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Customer service is always a top priority at Crystal Heating and Cooling. Our BBB Membership A+ rating is like a badge of honor as we continuously strive to provide the best experience for our clients.

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CALL TO SCHEDULE
(636) 937-2927
Gary T has a 5-Star rating and leads the company in total reviews, making this pro a ReviewBuzz Rockstar!
60 total reviews
By STEVE/MICHELE M. on 04/16/19
I person was every knowledgeable about the unit and new a lot about the thermostat and showed my husband to use it a whole lot better. Because when it was put in and person that installed it new nothing about the WIFI thermostat.
By BARBARA J. on 04/03/19
Gary is the best!
By AL/DEBBIE R. on 01/19/19
We have been customers of Crystal Heating and Cooling for many years. We purchased a new HVAC system from them and they have been great about keeping it tuned up and inspected each season. The guys that come out have been great. I'm fairly certain we've met them al...
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We have been customers of Crystal Heating and Cooling for many years. We purchased a new HVAC system from them and they have been great about keeping it tuned up and inspected each season. The guys that come out have been great. I'm fairly certain we've met them all! We've had some hiccups in the system, but the guys are right on it when we call and always remain professional. We are extremely pleased with the guys who come out, the girls in the office and Mike, the patient man who has been so good to us. I highly recommend Crystal Heating and Cooling for their HVAC systems and most of all for the people who make such a difference. Thank you!
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By JERRY M. on 12/06/18
Great service and teamwork allow us to enjoy our heating, cooling and electric generator!
By DON F. on 11/11/18
I highly recommend Crystal H&C. They installed my HVAC system back in 2010 and it has performed superbly over the years. Gary from their Field Service Team has done my system maintenance over the years. He is always prompt, courteous and professional. I totally...
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I highly recommend Crystal H&C. They installed my HVAC system back in 2010 and it has performed superbly over the years. Gary from their Field Service Team has done my system maintenance over the years. He is always prompt, courteous and professional. I totally trust Gary and all the folks from Crystal H&C.
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By BECKY S. on 11/09/18
Gary has been coming to my home for many years. He does an amazing job!
By LAURA W. on 11/05/18
Great Company, great service reps. Crystal services my children's homes as well as mine own.
By CHUCK B. on 11/02/18
I purchased my unit from Crystal Heating and Cooling over 10 years ago, and have had the same service rep the entire time. **** is great, shows up on time, takes care of any issues, and cleans up like he wasn't even there. The customer service staff is great, alway...
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I purchased my unit from Crystal Heating and Cooling over 10 years ago, and have had the same service rep the entire time. **** is great, shows up on time, takes care of any issues, and cleans up like he wasn't even there. The customer service staff is great, always mail, email, or call with reminders for cleaning or service. I highly recommend *******, and will use them for all my HVAC needs in the future.
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By TOM/EILEEN M. on 09/05/18
Service is excellent.
By FRANK S. on 09/04/18
Excellent service: courteous, informed, and expedient. The BEST !!
By BARB H. on 05/28/18
As Always, Great service from Crystal Heating and Cooling. I have been a customer of them for years. I wouldn't even think of using anyone else. Very professional and knowledgeable.
By TIM/SUE M. on 05/07/18
We have been using Crystal Heating and Cooling for many years. They put in a new heating and AC unit over seven years ago and maintain it! They are very reliable! We have the same technician* **** ** who is excellent and honest! Highly recommend them!
By GARY M. on 05/05/18
only problem was that they left my thermostat in need of programming to be useful
By FRANK S. on 05/04/18
Great service from both the office personnel setting the date and time for the service call and the technicians performing the service. Always prompt and efficient they let you know they will do, both inside and outside the house and always wear booties over their ...
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Great service from both the office personnel setting the date and time for the service call and the technicians performing the service. Always prompt and efficient they let you know they will do, both inside and outside the house and always wear booties over their shoes while inside. They work quickly and efficiently.
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By RUDY J. on 04/30/18
We have Gary T. in St. Louis for a long time, He is excellent in what he does, couldn't ask for a better technician.
By CALLA S. on 04/27/18
Very good work
By DON F. on 04/13/18
I highly recommend Crystal H&C. They installed my HVAC system back in 2010 and it has performed superbly over the years. Gary from their Field Service Team has done my system maintenance over the years. He is always prompt, courteous and professional. I totally...
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I highly recommend Crystal H&C. They installed my HVAC system back in 2010 and it has performed superbly over the years. Gary from their Field Service Team has done my system maintenance over the years. He is always prompt, courteous and professional. I totally trust Gary and all the folks from Crystal H&C.
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By DON L. on 04/11/18
as is usual everyday practice, The Crystal "team" did an outstanding job for us...here in St. Louis and they will at two lake houses in the Bonne Terre area. Don Larsen
By MARLAN G. on 04/10/18
We have had Crystal do our spring and fall maintenance on our HVAC systems since 2011 when they added a system for our home expansion. I find the Office staff are very friendly and accommodating, plus we have had Gary do our maintenance for about 6 years and he too...
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We have had Crystal do our spring and fall maintenance on our HVAC systems since 2011 when they added a system for our home expansion. I find the Office staff are very friendly and accommodating, plus we have had Gary do our maintenance for about 6 years and he too, is very customer oriented and very professional. His knowledge of HVAC provides longer life to our systems and helps us actually save money in the long run. I would recommend them to anyone!
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By GLEN K. on 03/26/18
The Crystal folks always do what they promise, when they say they'll be there.
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