Testimonials for GSM Services

Testimonial Photo by Barry F.
"I can "Feel" the results after my crawl space enclosure. It gives my home more protection and is more energy efficient.  I also see the results in my power bill charge each month.  Thank you!"
Barry F. of Concord, NC
Just wanted you to know how wonderful we think GSM is!  Matt labored for two days on a significant problem he encountered with our heat pump and furnace.  Robert came the second day to help.  It was a difficult problem, but they perservered and solved it. More recently, we had a problem when trying to switch over from AC to heat.  Charlie came out, solved the problem and set our thermostat.  In both instances, they served you well and we wanted you to know that you have the highest quality people working for you- they reflect you well!
Jim A. of Concord, NC
Dramatic improvement in cooling effiency of my "man cave".  So glad I went with the thermal shield and foam board insulation
Mr. L. of Locust, NC
The deciding factor was the overall experience meeting with your comfort & energy advisor and price.  Your price was the best quote we received. Quality and expert service. We have been extremely satisfied with the service that we have received.  Competent, knowledgeable, complete experts.  Thank you!
Jennifer P. of Davidson, NC
Prompt service and performed all services in a professional manner.  I felt like a valued customer.
Tom R. of Cornelius, NC
Thank you so much for your quality of work, quality of workers - simply - Your quality of work!
June P. of Midland, NC
Hands down, the BEST A/C service provider I have ever used.  Couldn't recommend them enough!
Cory & Amie B. of Harrisburg, NC
This was by far the most impressive and professional company I have ever worked with.  They were prompt and efficient and truly made me feel like a valued customer.  Can't Recommend them enough!
Amie B. of Harrisburg, NC
"GSM is always professional and courteous. I always rave about the company on our neighborhoods facebook group."
Robert D. of Huntersville, NC
We appreciate the overall ethic of the company and getting the work done promptly.  Also, we appreciate you coming back and completing work that was found later.
St. Matthews Reformed Church of Maiden, NC
I couldn’t ask for any nicer people to do business with.  I appreciate the promptness and courtesy showed to me.  The sales rep took time to explain everything to me and was very professional.
Mr. Harrill of Stanley, NC
"The comfort and energy specialist was very informative and answered all my questions that was asked of him. In addition the straight forward pricing was included in the deciding factor in choosing GSM."
Tom and Brenda F. of Stanley, NC
I've lived in this house 30+ years.  First time my living room and thermostat read the same temperature.  "Amazing" very warm.
Vickie C. of Stanley, NC
Testimonial Photo by Wayne H.
Very Good and Dependable 
Wayne H. of Alexis, NC
The level of proficiency that was displayed by the salesman Jason and the presentation that he gave made our decision.  As well ast he way GSM stands by their products and takes caare of customers.
Darrell P. of Lincolnton, NC
Total testimonials : 158

our service area

We serve the following areas

North CarolinaSouth Carolina Our Locations:

GSM Services
1535 W May Ave
Gastonia, NC 28052