- Keeping Idaho Comfortable Since 1973
- 208-726-5520
Living in Ketchum means enjoying some of Idaho’s most spectacular mountain scenery, world-class recreation, and four distinct seasons. It also means your heating and cooling system needs to perform reliably through snowy winters, cool mountain evenings, and warm summer afternoons.
Since 1973, Thornton Heating & Sheetmetal has proudly provided trusted HVAC services, hydronic heating, commercial HVAC, and custom sheet metal fabrication throughout Ketchum, Idaho. From luxury mountain homes and condominiums to restaurants, retail spaces, hotels, and commercial buildings, we’ve built a reputation for quality craftsmanship and dependable service.
Whether you need emergency furnace repair, a new air conditioning system, radiant floor heating, or custom sheet metal fabrication, our experienced team delivers solutions designed specifically for the unique demands of mountain living.
Our office is conveniently located at 121 Hospital Drive in Ketchum, allowing us to respond quickly throughout the community.
Nestled at the base of Bald Mountain, Ketchum is one of Idaho’s most recognized mountain communities. Originally founded during the mining boom of the late 1800s, today it is known for its vibrant downtown, exceptional outdoor recreation, art galleries, restaurants, and close connection to Sun Valley Resort. Ketchum combines year-round mountain living with a thriving business community and continues to attract both full-time residents and vacation homeowners.
Our technicians regularly serve:
Whether your property is a historic home, luxury residence, vacation home, condominium, retail business, restaurant, or commercial building, Thornton Heating & Sheetmetal has the experience to keep your property comfortable year-round.
Mountain homes require heating and cooling systems built for changing elevations, cold winters, and high-performance living.
We provide complete residential HVAC services including:
Our technicians work with many of today’s leading manufacturers, including Carrier®, Bryant®, Payne®, Tempstar®, Honeywell®, Ecobee®, and Nest® products.
Whether you’re remodeling a historic Ketchum cottage or building a luxury custom home, we’ll design the ideal comfort system for your lifestyle.
Living in Ketchum means enjoying some of Idaho’s most spectacular mountain scenery, world-class recreation, and four distinct seasons. It also means your heating and cooling system needs to perform reliably through snowy winters, cool mountain evenings, and warm summer afternoons.
Since 1973, Thornton Heating & Sheetmetal has proudly provided trusted HVAC services, hydronic heating, commercial HVAC, and custom sheet metal fabrication throughout Ketchum, Idaho. From luxury mountain homes and condominiums to restaurants, retail spaces, hotels, and commercial buildings, we’ve built a reputation for quality craftsmanship and dependable service.
Whether you need emergency furnace repair, a new air conditioning system, radiant floor heating, or custom sheet metal fabrication, our experienced team delivers solutions designed specifically for the unique demands of mountain living.
Our office is conveniently located at 121 Hospital Drive in Ketchum, allowing us to respond quickly throughout the community.
Nestled at the base of Bald Mountain, Ketchum is one of Idaho’s most recognized mountain communities. Originally founded during the mining boom of the late 1800s, today it is known for its vibrant downtown, exceptional outdoor recreation, art galleries, restaurants, and close connection to Sun Valley Resort. Ketchum combines year-round mountain living with a thriving business community and continues to attract both full-time residents and vacation homeowners.
Our technicians regularly serve:
Whether your property is a historic home, luxury residence, vacation home, condominium, retail business, restaurant, or commercial building, Thornton Heating & Sheetmetal has the experience to keep your property comfortable year-round.
Mountain homes require heating and cooling systems built for changing elevations, cold winters, and high-performance living.
We provide complete residential HVAC services including:
Our technicians work with many of today’s leading manufacturers, including Carrier®, Bryant®, Payne®, Tempstar®, Honeywell®, Ecobee®, and Nest® products.
Whether you’re remodeling a historic Ketchum cottage or building a luxury custom home, we’ll design the ideal comfort system for your lifestyle.
Ketchum’s restaurants, retail shops, hotels, offices, and commercial properties depend on reliable HVAC systems to keep employees, customers, and guests comfortable.
Thornton Heating & Sheetmetal provides commercial HVAC services for:
Our commercial services include:
Our experienced technicians understand the importance of minimizing downtime while providing dependable service that keeps your business operating efficiently.
Hydronic heating has become one of the most popular comfort systems for luxury mountain homes throughout Ketchum.
Thornton Heating & Sheetmetal specializes in complete hydronic heating systems including:
Radiant floor heating delivers quiet, even warmth while eliminating cold spots, making it especially popular for custom homes throughout the Wood River Valley.
Snow melt systems are another favorite feature for Ketchum homeowners, automatically keeping driveways, sidewalks, patios, and entryways clear throughout the winter.
Our in-house sheet metal shop allows us to fabricate custom products specifically designed for your home or business.
We fabricate:
Every project is built for a precise fit, exceptional durability, and a clean architectural appearance.
Whether you’re working with a builder, architect, interior designer, or remodeling contractor, our fabrication team creates custom metal solutions that complement your project.
Mountain weather places additional demands on heating and cooling equipment.
Routine maintenance helps ensure your HVAC system is ready before every season while reducing unexpected breakdowns.
Our maintenance services include:
Regular maintenance improves efficiency, extends equipment life, and helps reduce costly repairs.
Yes. We regularly install and service HVAC systems in custom homes, vacation homes, condominiums, and luxury mountain residences throughout Ketchum.
Absolutely. Radiant floor heating is one of our specialties, along with complete hydronic heating system design and installation.
Yes. Our in-house sheet metal shop fabricates custom range hoods, chimney caps, architectural sheet metal, and many other specialty metal products.
Yes. We offer prompt repair services for heating and cooling emergencies throughout Ketchum and the surrounding Wood River Valley.
We recommend professional maintenance twice a year—once before the heating season and again before the cooling season.
Whether you need furnace repair, air conditioning installation, radiant floor heating, commercial HVAC service, or custom sheet metal fabrication, Thornton Heating & Sheetmetal has the experience and craftsmanship to get the job done right.
For more than five decades, we’ve helped keep Ketchum homes and businesses comfortable through every Idaho season.