
Serving Davidson, NC and surrounding areas
Approved
In business since 1927
Free estimates
Emergency services offered
"<p>GSM has been in business for a very long time. I know why. GSM was professional from the original contact, to the quote, to the install, the testing, and the follow up. The advisor answered my questions, and was available later for follow up questions. They gave me a range of quotes which I really appreciated and helped me make a fair comparison to other quotes I received. This company guarantees your satisfaction and comfort, and they give that to you in writing. They were willing to work with me on scheduling the installation, and kindly provided a portable unit to keep me cool overnight. The weather was in the high 90s and this was a two day job. The technicians who actually did the work were courteous and respectful of my home. I felt completely comfortable with them coming in and out as needed.</p> <p>Once the installation was done, they gave me good clear instructions on using the system; I feel comfortable with the programmable thermostat. They cleaned up after themselves well too. They have provided detailed information on how I can reach them with any questions or concerns. These guys understand customer service. I anticipate a long business relationship with them.</p> <br />"





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