GSM Services

1535 W May Ave
Gastonia, NC 28052
We are open 24 hours a day, 7 days a week!

GSM Services is the energy efficiency contractor in NC that specializes in providing superior service to each and every customer. With the unique whole-house approach to home energy savings, GSM Services is committed to helping local homeowners reduce energy costs and improve their home's comfort and energy efficiency.

These experts at Dr. Energy Saver Charlotte have prior experiences in the heating and cooling industry having been a part of their sister company Gastonia Sheet Metal (GSM).

They pride themselves on having the opportunity to provide local homeowners with comfort and peace of mind - in fact they do it every call, every customer, every day.

Energy saving services include:

  • Air sealing (blower door test, caulking, etc)
  • Geothermal
  • Generators
  • Air Conditioning (ductless, central, dehumidifiers, etc.)
  • Home Insulation (wall insulation, attic insulation, Wall Insulation, Basement Insulation, etc.)
  • HVAC (heating and cooling systems, HVAC efficiency)
  • Ductwork (duct leakage, air duct sealing, air duct repair)
  • Radiant barriers (roof and attic radiant barriers, installation)


GSM has been the local expert since 1927 and has earned the Chamber of Commerce small business of the year award twice and has maintained their title as the Best of Gaston Heating & Air Contractor for four years.

Dr. Energy Saver Charlotte will follow in GSM's footsteps by becoming heavily engaged in the local community and donating time and resources to local non-profit organizations such as the United Way, Habitat for Humanity, and the Flight of Honor.

In addition to their community interaction, they're also a member of the Gaston Chamber of Commerce; Home Builders Association; Mechanical Contractors of NC; Plumbing, Heating, Cooling Contractors Association, ACCA, and National Comfort Institute.

GSM Services services Charlotte, Gastonia, Matthews, Huntersville, Lowell, Mount Holly, Stanley, Alexis, Belmont, Bessemer City, Cherryville, Cramerton, Dallas, NC as well as Clover and York, SC.

By Paul R. Shelby, NC
full starfull starfull starfull starfull star
"Mandy is very thorough with her work. She is pleasant and..."
By Tina V. Shelby, NC
full starfull starfull starfull starfull star
"I just knew the unit was having problems"
By William L. Shelby, NC
full starfull starfull starfull starfull star
"The visit was for our six month check and tune up. We ask..."
By Pat G. Fallston, NC
full starfull starfull starfull starfull star
"The installers and technicians are wonderful! I couldn't..."
Mr. and Mrs. G. Gastonia, NC
The whole experience with everyone with GSM has been a pleasure.
D N. Charlotte, NC
I am very happy with all the crazy work these poor guys had to do!
Tony and Linda R. Forest City, NC
It was well worth the cost and am already seeing a difference in the AC running less.
Before and After - Crawl Space - Belmont NC -
Before
Before and After - Crawl Space - Belmont NC
After

Before and After - Crawl Space - Belmont NC

Great example of a before and after crawl space encapsulation.  Our Dr. Energy Saver crew removed all insulation and completely sealed off the crawl space to make it a sealed conditioned space.
AC Unit Cleanup in Lawndale, NC -
Before
AC Unit Cleanup in Lawndale, NC
After

AC Unit Cleanup in Lawndale, NC

GSM Services cleaned an AC unit to improve its efficiency in Lawndale, NC.
Heating System Precision Tune Up -
Before
Heating System Precision Tune Up
After

Heating System Precision Tune Up

Our Service Advisors work hard to keep you comfortable! We thoroughly clean and service your system to bring it back to life.  Regular maintenance extends the life of your heating system.  
HVAC Install in Shelby, NC. -
Before
HVAC Install in Shelby, NC.
After

HVAC Install in Shelby, NC.

AC & Furnace Replacement in Shelby, NC   
Best of Gaston 2020
Best of Gaston 2020
Top Place to work Charlotte 2019
Top Place to work Charlotte 2019
Best of Gaston 2019
Best of Gaston 2019
Mike M
Mike M
DES Field Team Leader
Brent F
Brent F
Sales Team Leader
Shawn M
Shawn M
Sales Team Leader
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