Book Now

Heating & Cooling

HEATING

Furnace Repair

Furnace Installation

Furnace Tune Ups

Heat Pumps

Gas Pack & Package Units

Ductless Heating

HVAC Tax Credit

Photo Gallery

COOLING

Air Conditioning Repair

Air Conditioning Installation

Air Conditioning Tune Ups

Ductless Air Conditioning

HVAC Tax Credit

Photo Gallery

Service Call Appointment

HVAC Replacement Quote Appointment

Top Heating & AC Repair, Service & HVAC Installation Company

GSM Services is an award-winning heating and cooling company recognized as the top choice for HVAC services across Gaston, Mecklenburg, York, Cleveland, and Lincoln Counties.

✅ Fast & Affordable
✅ Licensed and Insured
✅ Certified to service all HVAC brands
✅ Instant Online Quotes for New Systems
✅ FREE Service Calls with Repairs
✅ Locally Owned for 98+ Years
✅ Voted Best Heating & Cooling Company
✅ 100% Guaranteed Satisfaction
✅ Outstanding Warranties
✅ Flexible Financing Options

Enhance your home's comfort, air quality, and energy efficiency with our full range of expert home comfort & HVAC solutions.

BOOK ONLINE

AC Cleaning & Tune Up Charlotte NC Gastonia NC

Expert Heating & Cooling Services:

Offering These Service Call Specials:

Need To Replace Your Furnace or Air Conditioner? Get an Online Quote on the Cost of a New HVAC System

Use our HVAC cost calculator to get an instant quote for replacing your heating and cooling system or adding a mini-split system. Just answer a few questions about your home and instantly view your quote!

GET INSTANT QUOTE NOW

Our Guarantees

100% Satisfaction Comfort Guarantee: If for any reason you are not satisfied with your new system installation, GSM Services will remove that system and install a new HVAC system or refund the total purchase price. This guarantee will remain in effect for one year after the original date of installation.

"No Surprises" Guarantee: Once the work starts, the price quoted is the price you pay, even if the job entails more work than estimated.

HVAC Installation Expert Tips: What You Should Know Before Replacing Your HVAC System

Custom Solutions: No one-size-fits-all approach; each home requires a tailored solution for maximum comfort and energy efficiency.
Whole-House Evaluation: Analyze every aspect of your home, from ductwork to insulation, to identify the best HVAC solution.
Explore Options: Consider repairs, upgrades, or tune-ups before committing to a full replacement.
Right Unit Sizing: Avoid oversized systems that reduce comfort and increase energy costs; precise evaluation ensures the correct system capacity.
Efficiency Matters: Focus on overall system efficiency, including installation quality and maintenance, rather than just equipment ratings.
Brand Consideration: While brands slightly differ, prioritize installation quality over marketing claims; ensure your contractor focuses on performance, not just brand names.
Professional Installation: Choose a reputable company for a thorough inspection and evaluation to ensure a proper HVAC system fit for your home.
Financial Benefits: Financing options available for low monthly payments; energy-efficient upgrades can lead to significant utility savings.
Long-Term Considerations: HVAC investment affects long-term utility bills and comfort; choose wisely to avoid future regrets.
Professional Support: Ensure ongoing support and maintenance from a reliable service provider; prioritize professionalism and long-term commitment over short-term gains.