Cleveland County, NC

Air Conditioning Installation & Repair, Duct Cleaning, Insulation, & Crawlspace Service Experts in Cleveland County, NC

GSM Services has set itself apart with superior customer service, reliability, and quality of work for over 98 years in Cleveland County, NC!

We are your one stop shop for home comfort solutions. We're a licensed & insured heating & air conditioning contractor, hvac duct cleaning, crawl space experts, & insulation pros in Cleveland County. We help people live better through improved home comfort, air quality, and energy efficiency.

If you are in need of repair, installation, tune up, or any other heating & cooling, crawl space, insulation, home mold solutions, or air duct cleaning services you are in the right place!

Get an Online Quote for HVAC Installations & Duct Cleaning Services in Cleveland County

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HVAC, Duct Cleaning, Insulation & Crawlspace Inspection Calls in Cleveland County, NC:

Products & Services
HVAC Systems
  • air conditioning company
  • air conditioning systems
  • central air conditioning
  • ductless air conditioning
  • gas furnace
  • geothermal heating and cooling
  • HVAC tune ups
  • high-efficiency HVAC systems
  • ductless heating systems
  • HVAC companies
  • furnace installation
  • furnace repair
  • air conditioning installation
  • air conditioning repair
  • heat pump installation
  • heat pump repair
Crawl Space Repairs
  • crawl space encapsulations
  • crawl space vapor barrier
  • crawl space cleanings
  • mold removal
  • dehumidifers
  • crawl space inspections
Home Energy Audits
  • energy efficiency audit
  • air leakage testing
  • blower door testing
  • crawl space inspection
  • attic inspection
  • insulation inspection
Home Generators
  • generator installation
  • generator repair
  • generator service
Home Insulation Services
  • attic insulation
  • insulation installation
  • insulation inspections
  • insulation removal
  • insulation company
  • blown in insulation
  • cellulose insulation
  • duct insulation
  • green insulation
  • insulation contractors
  • pipe insulation
  • reflective insulation
  • rigid foam insulation
  • roof insulation
  • wall insulation
  • window insulation
  • Crawl Space Insulation
  • radiant barrier insulation
Air Sealing
  • sealing air leaks
  • air duct leakage
  • air duct sealing
  • air leakage testing
  • door air seal
  • window air leakage
Air Duct Cleaning
  • duct cleaning services
  • duct disinfectant spray treatment
  • air vent cleaning
Ductwork
  • ductwork repair
  • ductwork installation
  • ductwork cost
  • furnace ductwork
  • HVAC ductwork
  • duct cleaning
Dryer Vent Cleaning
  • dryer vent cleaning services
  • dryer vent replacement
Before and After Pictures from Cleveland County
Before
After

Before and After - Crawl Space - Belmont NC


Before
After

Replace and relocate outdoor units


Before
After

Fall Furnace Service in Kings Mountain, NC

Company Awards

2025 Best of Gaston

2025 Best Heating & Cooling Company

GSM Voted 2025 Community Choice Award Winner.

2023 Community Choice Award Winner - Best of Gaston

2024 Community Choice Award Winner

Voted Best Local HVAC Company in 2024.

2023 Community Choice Award Winner - Best of Gaston

2023 Community Choice Award Winner

Voted Best Heating & AC Company & Best Home Service Provider in the county.


2022 Best of Gaston

Best of Gaston 2022

GSM Services won Best Heating & Cooling Company and Top Place To Work in the County!


Best Contractor to Work For

Best Contractor to Work For - ACHR News

Named Best Contractor to Work For by ACHR News, a leading national industry publication in 2021.



2021 Best of Gaston

Top Place to Work in Charlotte

GSM was recognized as one of the Top Places to Work in 2019 by The Charlotte Observer.