
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.
Welcome to the Thornton Heating & Sheetmetal Resource Center—your trusted source for expert advice on heating, cooling, indoor air quality, hydronic heating, commercial HVAC, and custom sheet metal fabrication.
Since 1973, we’ve helped homeowners and businesses throughout Ketchum, Sun Valley, Hailey, Bellevue, Stanley, Carey, Blaine County, Camas County, and the surrounding communities stay comfortable through every Idaho season. This Resource Center is an extension of that commitment, providing helpful information that allows you to better understand your home’s HVAC systems, improve energy efficiency, and make informed decisions about repairs, maintenance, and new installations.
Whether you’re researching the benefits of radiant floor heating, wondering when it’s time to replace your furnace, exploring indoor air quality solutions, or looking for seasonal maintenance tips, you’ll find practical information written by experienced HVAC professionals who understand the unique challenges of Idaho’s mountain climate.
Our Resource Center is regularly updated with helpful articles covering the topics homeowners and business owners ask us about most.

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.

How to Know When It’s Time to Replace Your Furnace Your Guide to Furnace Replacement in Southern Idaho Your furnace
New articles are added regularly, so be sure to check back often for the latest HVAC tips, seasonal advice, energy-saving ideas, and home comfort information.
Whether you’re maintaining your current system or planning your next HVAC project, Thornton Heating & Sheetmetal’s Resource Center is here to help you stay informed.