Expert Furnace Repair, HVAC Installation, Insulation, Crawlspace and Duct Cleaning Services in Huntersville

For over 98 years, GSM Services has made home comfort easy with trusted service, reliable solutions, and top-quality work in Huntersville. As a licensed and insured home comfort specialist, we offer heating & cooling, insulation, air duct cleaning, crawlspace services to improve comfort, air quality, and energy efficiency. Enjoy easy online booking, instant quotes, and free service calls with any repair!

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Why Locals Choose GSM Services:

✅ Fast, Affordable & Reliable
✅ Licensed and Insured
✅ Locally Owned for 98+ Years
✅ Voted Best Heating & Cooling Company
✅ 100% Guaranteed Satisfaction
✅ Outstanding Warranties
✅ Unbeatable Financing for Any Budget
✅ FREE HVAC Service Calls with Repairs
✅ FREE System Quotes
✅ FREE Insulation, Crawlspace and Home Energy Audits

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New HVAC System Cost & Duct Cleaning Prices in Huntersville

Need HVAC or duct cleaning? Get your free instant quote online in just 30 seconds!

HVAC INSTALLATION

DUCT CLEANING

DRYER VENT CLEANING

Heating & Cooling Services in Huntersville:

Crawl Space, Insulation, Generators & Other Home Services in Huntersville:

Furnace Repair in Huntersville

If your Heater isn’t working, trust GSM Services for fast, affordable Furnace repair in Huntersville. Our licensed HVAC technicians service all makes and models, provide expert solutions, and offer clear, upfront pricing with no hidden fees. We also include a free service call with any repair.

HVAC Replacement & Install Experts

Looking for a New Heating System? Our licensed HVAC installers in Huntersville are certified experts in energy-efficient heating & cooling systems that can lower your energy bills by up to 30%. We’ll walk you through the latest AC options and help you choose the right system for improved comfort, quieter operation, and cleaner indoor air. Call or book online today for a free, no-obligation consultation and quote!

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Certified on All Types of Heating & Cooling Systems

Central Heating & Air Conditioning Systems
Ductless Mini Splits
Package Systems
Heat Pump Systems
Gas furnaces
Oil furnaces
Electric Furnaces

Huntersville Crawl Space Repair & Service Contractors

GSM Services provides professional crawl space services in Huntersville. Our team protects your home from moisture damage and mold, enhancing air quality, boosting energy efficiency, and reducing pests. A well-maintained crawl space also strengthens structural stability and overall comfort. Book a free crawl space inspection and quote online today!

Crawl Space Solutions:

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Duct Cleaning Services in Huntersville:

Our duct cleaning services thoroughly clean your entire duct system—not just the air vents—to ensure optimal air quality and system efficiency. We start with a full inspection, checking for tears, leaks, or any issues that could affect performance. Our comprehensive cleaning service includes a special disinfectant spray treatment to leave your ducts fresh and sanitized. Get a free, instant online quote in seconds and breathe cleaner air with our professional duct cleaning services!

Insulation Service Company in Huntersville:

GSM Services is your trusted local insulation company in Huntersville. We provide high-quality, affordable home insulation for attics, walls, crawl spaces, basements, floors, garages and more. Our certified experts use various insulation types to fit your home and budget, helping reduce energy bills and improve comfort and air quality year-round. Experiencing uneven temperatures or high utility costs? Schedule your free insulation inspection today! We’ll assess current insulation, check for air leaks or moisture issues, and provide a custom, no-obligation quote for your home. Call or book online now!

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Photo Galleries From Huntersville

Merve 11 filter blocking out bad air and allowing good air to flow through

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News & Events From from Huntersville

Start 2017 with saving Energy, Money, & the Planet!

Home improvements are a great way to start off your new years resolution of "saving money". Take a look at your heating and cooling costs and have a Whole Home Energy Evaluation done.... [Read more]

Is a wifi thermostat right for your home?

Do you need a wifi thermostat in your home? How much does a wifi thermostat cost? What makes a wifi thermostat smart? How much money can you save with a wifi thermostat?.... [Read more]

Save Energy on Heating with This List

High energy bills can come as a surprise in the winter. In our service area, air conditioners see a lot more use than heaters. When temperatures drop, homeowners might feel relieved as bills start to lower as well-until the heater becomes more and more of a necessity.... [Read more]

More News & Events

Work Requests From Huntersville, NC

Project Location: Huntersville, NC
Spring tune-up, safety check, cleaning Additional information: Date requested: 04/02/2021
Project Location: Huntersville, NC
Have noticed mold growing on air vents in several rooms. Wanted to have someone inspect and pricing to clean. Also, interested in pricing for new AC units.
Project Location: Huntersville, NC
Looking for dehumidifier for our finished basement
Project Location: Huntersville, NC
Semi annual check (a/c system)
Project Location: Huntersville, NC
We are looking for options for heating/cooling our 3 season room.
Project Location: Huntersville, NC
I would like to get a qoute on a ductless heating system for my house.
Project Location: Huntersville, NC
Attic loorly insulated in closet of upper bedroom. Walls literally emminate heat floor to ceiling, warm to touch. Rental, need to check adequacy of design and issues in attic space that could both he hazardous as well as how to make conditions better to avoid excess unnecessary heating/cooling costs.
Project Location: Huntersville, NC
House Size: 3700 SQ FT Current System: 4 TON, 2 zone, 2 thermostat Current Room: 2 vents 1 return Room Sq FT: 400 SQ FT Room Location: Over Garage Walls facing outside: 3 Scope of work: Check for what BTU/SEER is needed based off of insulation, size, and windows Install new mini-split system with heat/AC for room Disable/Block return and Vents
Project Location: Huntersville, NC
Two story home. Would like to inquire about radiant barrier insulation installation in the attic rafters.
Project Location: Huntersville, NC
Well insulate room over garage
Project Location: Huntersville, NC
Just purchased a new home. Would like my crawl space insulation checked out.
Project Location: Huntersville, NC
My gas furnace doesn't work anymore and needs replaced ASAP. I'm getting quotes to compare price and service
Project Location: Huntersville, NC
Furnace cleaning/tune up...one in crawl space, one in attic
Project Location: Huntersville, NC
Dehumidifier for basement
Project Location: Huntersville, NC
Need to freshen up the blow in attic insulation. Add to what is already existing.
Project Location: Huntersville, NC
My husband attempted to install our nest thermostat and could not get it to work. Therefore our air conditioning isn't working either now. Would like someone to come Sunday to install correctly.
Project Location: Huntersville, NC
Lennox AC system with leaking evaporator coils - looking for price on replacement of coils and timing Cannot join class action suit since we are not the original home owners. System is 2011 and has been charged recently and yet it continuously is freezing
Project Location: Huntersville, NC
We are finishing a storage building to be heated and cooled. We need the building insulated. It is 16x32 with 14 foot ceiling.
Project Location: Huntersville, NC
I would like to schedule an sales appointment for replacing my HVAC system. Thanks!
Project Location: Huntersville, NC
Quote for annual maintenance, twice a year

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Serving the following Huntersville, NC zip codes

28070, 28078, 28070, 28078

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
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 Huntersville

Before

After

Out of sight, out of mind, right? Wrong... During a PTU (Precision Tune Up) our Service Advisors will make sure your heating and cooling system will be cleaned inside and out. They will also clean any mess that is around your furnace in the attic or crawl space.

Before

After

Furnace Replacement in Huntersville

Before

After

We recommend having a service tune up on your air conditioning and heating systems each year. Under our (ESA) energy saving agreement, having tune ups performed regularly helps keep your home running efficiently and your family comfortable.