Business Details
50+ Years
experience
Emergency
services
Trusted HVAC & Home Comfort Solutions in Gastonia, NC
GSM Services has been a trusted provider of home comfort solutions since 1927, serving communities across North and South Carolina. As a family-owned and operated business, we specialize in HVAC systems, insulation, duct cleaning, crawl space encapsulation, and generator installations. With over 98 years of experience, our team combines generational expertise with cutting-edge technology to deliver energy-efficient and reliable solutions. We prioritize customer satisfaction through transparent pricing, 24/7 emergency services, and comprehensive warranties. Our commitment to quality is reflected in our 4.9-star rating from over 3,000 Google reviews.We offer free online quotes, instant service scheduling, and financing options to ensure accessibility for all homeowners. Our mission is to provide lifelong comfort while maintaining a strong focus on community involvement and environmental responsibility.
Services
HVAC Repair
Furnace Installation
AC Tune-Ups
Duct Cleaning
Insulation Services
Crawl Space Encapsulation
Generator Installation
Mold Remediation
Home Energy Audits
Thermostat Replacement
Details
- Year established: 1927
Highlights and features
- 98 years of local HVAC expertise and family-owned reliability
- Free online quotes and instant service scheduling available
- 100% satisfaction guarantee with comprehensive warranties
- 24/7 emergency services for urgent heating and cooling needs
- Over 3,000 4.9-star Google reviews from satisfied customers
Associations and certifications
- Generac Certified Dealer
What people say
Professional technicians
24/7 emergency service
Energy bill savings
Lifetime warranties
Community involvement
Services
HVAC Installation
Professional HVAC installation services for residential and commercial properties. Our certified technicians handle complete system replacements including furnaces, air conditioners, and heat pumps. We use industry-leading equipment from brands like Generac and provide full system diagnostics to ensure proper sizing and efficiency. Our installations include labor, permits, and manufacturer warranties.
Duct Cleaning
Comprehensive ductwork cleaning and sanitization services. Our process includes full system inspection, HEPA vacuuming, antimicrobial treatment, and leak detection. We use industrial-grade equipment to remove dust, allergens, and contaminants from entire HVAC systems. Service includes before-and-after photos and written documentation.
Crawl Space Encapsulation
Complete crawl space moisture control solutions. Services include vapor barrier installation, dehumidification systems, mold remediation, and insulation upgrades. Our encapsulation process prevents structural damage and improves indoor air quality. We use durable 20-mil reinforced liners with lifetime warranties.
Generator Installation
Professional standby generator installation services for residential and commercial properties. As a certified Generac dealer, we offer whole-house power solutions with automatic transfer switches. Our installations include electrical system integration, fuel line connections, and comprehensive system testing.
Home Insulation
Full-service insulation solutions for attics, walls, and crawl spaces. We offer fiberglass, cellulose, and spray foam options with R-value recommendations based on home energy audits. Our services include air sealing to eliminate drafts and reduce energy consumption by up to 30%.
People
Steven Long
President of Residential Division
Third-generation leader with over 30 years in HVAC and home services. Active in community organizations including Rotary Club and Boys & Girls Club. Focuses on customer satisfaction and operational excellence.
Joel Long
President of Commercial Division
Commercial HVAC specialist with 25+ years experience. Oversees large-scale projects and roofing services. Committed to sustainable building practices and energy-efficient solutions for business clients.
Questions
What HVAC services does GSM Services offer?
We provide complete HVAC solutions including AC repair, furnace installations, heat pump services, ductless mini-split systems, and 24/7 emergency repairs across NC and SC.
Do you offer financing options?
Yes, we provide flexible financing plans including 0% APR options for qualified customers on HVAC replacements, generators, and insulation projects.
Are your technicians certified?
All our technicians are NATE-certified and factory-trained for major HVAC brands with ongoing professional development programs.
What areas do you service?
We serve Gastonia, Charlotte, Hickory, Fort Mill, and surrounding areas in North and South Carolina with same-day service available.
Do you provide emergency HVAC service?
Yes, we offer 24/7 emergency HVAC repair services with no additional charges for after-hours visits.
What warranties do you offer?
We provide 10-year parts warranties on new HVAC systems, lifetime warranties on crawl space encapsulation, and 5-year labor guarantees.