From a Flat Sheet to a Finished Piece: 50 Years of Custom Sheet Metal Craftsmanship

Walk into the sheet metal shop at Thornton Heating & Sheetmetal, and you’ll quickly realize that custom fabrication is more than a service—it’s a craft that’s been refined for more than 50 years.

Every custom range hood, chimney cap, architectural accent, and specialty metal component begins the same way: as a flat sheet of metal. From there, our experienced craftsmen carefully measure, cut, form, weld, and finish each piece by hand, transforming raw materials into custom work built specifically for your home or business.

Unlike mass-produced products, every project we fabricate is one of a kind because every home in the Wood River Valley is one of a kind.

Built by Hand. Built to Last.

There’s no assembly line in our sheet metal shop.

Every project starts with a conversation. We take the time to understand your vision, your home’s architecture, and how the finished piece will function. Whether you’re working with an architect, builder, interior designer, or bringing your own ideas to the table, we fabricate each project to your exact specifications.

Our experienced craftsmen use precision equipment and decades of hands-on experience to create custom metalwork that not only performs exceptionally well but also enhances the beauty of your home.

Crafted for Mountain Living

Homes throughout Ketchum, Sun Valley, Hailey, Bellevue, Blaine County, and Camas County are as unique as the people who live in them. From modern mountain homes and rustic cabins to luxury estates and commercial buildings, every project deserves custom craftsmanship.

That’s why we fabricate everything in-house instead of relying on generic, off-the-shelf products.

Our custom fabrication services include:

  • Custom range hoods
  • Architectural sheet metal
  • Custom ductwork
  • Chimney caps
  • Dryer vent systems
  • Decorative metal panels
  • Flashing
  • Fireplace surrounds
  • Specialty fabrication
  • Commercial sheet metal

Every piece is designed to fit perfectly while complementing the style of your home or business.

Premium Materials Make the Difference

The quality of a finished product begins with the materials.

We fabricate custom sheet metal using premium materials selected for beauty, durability, and long-term performance, including:

  • Stainless steel
  • Copper
  • Galvanized steel
  • Painted steel
  • Decorative metal finishes

Whether you prefer the warm character of natural copper, the clean appearance of stainless steel, or a custom painted finish that blends seamlessly with your home’s design, we’ll help you choose the right material for your project.

Why Choose Custom Fabrication?

Factory-built products are designed to fit as many applications as possible.

Custom fabrication is designed specifically for yours.

The benefits include:

  • Precision fit
  • Superior craftsmanship
  • Better performance
  • Long-lasting durability
  • Architectural flexibility
  • Premium materials
  • Unique design
  • Increased home value

When every measurement is taken specifically for your project, the finished result simply performs—and looks—better.

Made in the Valley, for the Valley

For more than five decades, Thornton Heating & Sheetmetal has proudly served homeowners, builders, architects, and businesses throughout Southern Idaho.

Everything we fabricate is built right here in our own sheet metal shop by experienced craftsmen who understand the unique architecture, weather, and building styles of the Wood River Valley.

That local knowledge allows us to create custom sheet metal solutions that are as functional as they are beautiful.

Experience the Difference

Whether you’re building a custom home, remodeling your kitchen, replacing architectural metalwork, or creating something completely unique, Thornton Heating & Sheetmetal has the experience and craftsmanship to bring your vision to life.

From a flat sheet of metal to a finished piece you’ll enjoy for years to come, every project reflects the pride, precision, and quality that have defined our work since 1973.

If you’re ready for custom sheet metal that’s built specifically for your home—not pulled from a warehouse shelf—contact Thornton Heating & Sheetmetal today to discuss your next project.

Trust Thornton Heating & Sheetmetal Since 1973

For more than 50 years, homeowners throughout Southern Idaho have trusted Thornton Heating & Sheetmetal for dependable heating solutions built to last.

Whether you need a simple repair, annual maintenance, or a complete furnace replacement, our experienced team is here to help.

We proudly serve:

  • Ketchum
  • Sun Valley
  • Hailey
  • Bellevue
  • Stanley
  • Carey
  • Blaine County
  • Camas County
  • Surrounding Southern Idaho communities

Schedule Your Furnace Inspection Today

If your furnace is showing signs of age or you’re concerned about its reliability before winter arrives, contact Thornton Heating & Sheetmetal today.

We’ll inspect your system, explain your options, and help you make the best decision for your home and budget.