General Sheet Metal Services

Our Comprehensive Services

At General Sheet Metal, we take pride in being more than just your average HVAC company. Based in Kalispell, MT, we provide a wide range of expert mechanical, fabrication, and climate-control services. Our services are all delivered with craftsmanship, integrity, and local know-how.

HVAC System Installation & Replacement

New system builds
We handle full installations for heating and cooling systems — from central ACs to modern, high-efficiency heat pumps, to rooftop units.

Ductless Solutions
For spaces without ductwork (or where adding ducts isn’t practical), we install mini-split systems that offer flexible, efficient climate control and are Bryant Certified Ductless Pros.

Replacement & Upgrades
We can replace outdated equipment with newer, more efficient systems, helping you lower energy costs and improve comfort.

Repairs & Services

Diagnostics, Repairs, & Recommendations
From compressors and motors to thermostats and ductwork, we repair a wide variety of parts. We also ensure you’re kept informed on the best steps forward with your system.

Emergency Repair
HVAC breakdown? Our trained technicians respond quickly to get your system back in operation with 24/7 emergency repairs.

Maintenance & Tune-Ups

Annual Inspections
Regular checkups to catch small problems before they become big ones.

Filter Changes
We swap in clean filters during inspections to maximize efficiency and indoor air quality.

Preventative Care Memberships
Cleaning, lubrication, refrigerant checks, thermostat calibration – everything needed to keep your HVAC running smoothly.

Sheet Metal Fabrication

Custom Ductwork
Whether for residential or commercial HVAC systems, we design and build ductwork that’s precisely sized, sealed, and installed.

Custom Projects
From chimney caps and stove pipes to fence caps and magnet walls, our shop is equipped for a variety of specialized projects.

Additional Services

With a versatile team, we have certified gas piping experts and the ability to assist with the following:
Humidifiers & Dehumidifers
Air Filtration
Large-scale Commercial HVAC
Gas Fireplaces
Gas Patio Heaters
Unit Heaters
Kitchen Hood Installation
and More!

Client Testimonial

"Good service, response was timely, arrived on time, was very pleasant and most important the furnace works."

John Tapp

Google Review

Proudly Serving the Flathead Valley
and Surrounding Communities

Kalispell, Whitefish, Columbia Falls, Lakeside, Bigfork, Kila, Marion, Creston