- Keeping Idaho Comfortable Since 1973
- 208-726-5520
Sun Valley is known around the world for its stunning mountain scenery, luxury homes, championship skiing, and year-round outdoor lifestyle. Homes and businesses here require HVAC systems that deliver exceptional comfort, efficiency, and reliability in every season.
Since 1973, Thornton Heating & Sheetmetal has provided trusted heating, cooling, hydronic heating, commercial HVAC, and custom sheet metal fabrication throughout Sun Valley, Idaho. From custom mountain estates and vacation homes to condominiums, hotels, restaurants, and commercial properties, we’ve built a reputation for quality craftsmanship and dependable service.
Whether you’re building a new luxury residence, remodeling an existing home, replacing an aging boiler, or installing radiant floor heating, our experienced team designs comfort systems built specifically for mountain living.
Located just minutes away in Ketchum, Thornton Heating & Sheetmetal proudly serves homeowners, builders, architects, designers, and businesses throughout Sun Valley.
Sun Valley has been one of America’s premier mountain destinations since the opening of the original Sun Valley Resort in 1936. Today, the community is recognized for its world-class skiing, luxury residences, championship golf courses, outdoor recreation, and exceptional quality of life. Many homes feature custom architecture, advanced heating systems, radiant floors, and premium building materials designed to withstand Idaho’s mountain climate while providing year-round comfort.
We proudly serve properties throughout:
Whether your property is a luxury mountain home, vacation residence, condominium, or commercial building, Thornton Heating & Sheetmetal delivers HVAC solutions built to perform for decades.
Sun Valley homes demand heating and cooling systems that perform efficiently while maintaining consistent indoor comfort through every season.
Our residential HVAC services include:
As a Carrier® dealer, we install dependable, energy-efficient systems designed for mountain climates and luxury homes.
Whether you’re replacing aging equipment or building your dream home, we’ll help you select the ideal HVAC system for your property.
Sun Valley is known around the world for its stunning mountain scenery, luxury homes, championship skiing, and year-round outdoor lifestyle. Homes and businesses here require HVAC systems that deliver exceptional comfort, efficiency, and reliability in every season.
Since 1973, Thornton Heating & Sheetmetal has provided trusted heating, cooling, hydronic heating, commercial HVAC, and custom sheet metal fabrication throughout Sun Valley, Idaho. From custom mountain estates and vacation homes to condominiums, hotels, restaurants, and commercial properties, we’ve built a reputation for quality craftsmanship and dependable service.
Whether you’re building a new luxury residence, remodeling an existing home, replacing an aging boiler, or installing radiant floor heating, our experienced team designs comfort systems built specifically for mountain living.
Located just minutes away in Ketchum, Thornton Heating & Sheetmetal proudly serves homeowners, builders, architects, designers, and businesses throughout Sun Valley.
Sun Valley has been one of America’s premier mountain destinations since the opening of the original Sun Valley Resort in 1936. Today, the community is recognized for its world-class skiing, luxury residences, championship golf courses, outdoor recreation, and exceptional quality of life. Many homes feature custom architecture, advanced heating systems, radiant floors, and premium building materials designed to withstand Idaho’s mountain climate while providing year-round comfort.
We proudly serve properties throughout:
Whether your property is a luxury mountain home, vacation residence, condominium, or commercial building, Thornton Heating & Sheetmetal delivers HVAC solutions built to perform for decades.
Sun Valley homes demand heating and cooling systems that perform efficiently while maintaining consistent indoor comfort through every season.
Our residential HVAC services include:
As a Carrier® dealer, we install dependable, energy-efficient systems designed for mountain climates and luxury homes.
Whether you’re replacing aging equipment or building your dream home, we’ll help you select the ideal HVAC system for your property.
Businesses throughout Sun Valley rely on dependable heating and cooling to provide exceptional guest experiences year-round.
We provide commercial HVAC services for:
Commercial services include:
Our experienced technicians understand the importance of minimizing downtime while maintaining dependable indoor comfort for employees, guests, and customers.
Radiant heating has become one of the most sought-after comfort systems for luxury homes throughout Sun Valley.
Thornton Heating & Sheetmetal specializes in complete hydronic heating systems, including:
Radiant heating quietly warms floors, furniture, and living spaces while eliminating drafts and cold spots. Many luxury homeowners choose hydronic systems because they provide unmatched comfort, exceptional energy efficiency, and whisper-quiet operation.
Snow melt systems are another popular feature throughout Sun Valley, automatically keeping driveways, walkways, patios, and entryways clear during the winter months while reducing shoveling and improving safety.
Every custom home deserves a custom HVAC solution.
Our experienced team works closely with:
We carefully design HVAC systems that integrate seamlessly into your home’s architecture while maximizing comfort, efficiency, and aesthetics.
From concealed ductwork to advanced zoning systems and smart home integration, every system is tailored to the unique needs of your home.
Thornton Heating & Sheetmetal operates one of the area’s most experienced custom sheet metal fabrication shops.
We fabricate:
Our custom metalwork is designed to complement the architecture of luxury mountain homes while delivering exceptional durability and performance.
Whether your project calls for stainless steel, copper, galvanized steel, or decorative finishes, our craftsmen fabricate every piece with precision and attention to detail.
Luxury HVAC systems represent a significant investment.
Routine maintenance helps protect that investment while ensuring dependable year-round performance.
Our maintenance services include:
Regular maintenance helps improve efficiency, extend equipment life, reduce unexpected repairs, and ensure your system is ready before every season.
Living in Sun Valley presents unique HVAC challenges.
Higher elevations, colder winters, heavy snowfall, and dramatic seasonal temperature changes all place additional demands on heating and cooling equipment.
Our decades of local experience allow us to recommend systems specifically designed for mountain climates, including:
Every recommendation is based on your home’s design, occupancy, lifestyle, and long-term comfort goals.
Yes. We regularly design and install HVAC systems for custom mountain homes, vacation residences, and luxury remodels throughout Sun Valley.
Absolutely. We design complete hydronic systems that provide radiant heating throughout entire homes or selected rooms.
Yes. Snow melt systems are one of our specialties and are especially popular for driveways, patios, sidewalks, and entryways throughout Sun Valley.
Yes. Our in-house sheet metal shop fabricates custom range hoods, decorative metal panels, chimney caps, flashing, and many other architectural metal products.
Yes. Preventative maintenance plans help maximize efficiency, reduce repairs, and extend the life of your heating and cooling equipment.
Whether you’re installing radiant floor heating in a new custom home, replacing an aging furnace, upgrading your air conditioning, or looking for expert commercial HVAC service, Thornton Heating & Sheetmetal delivers dependable solutions built for mountain living.
For more than 50 years, we’ve proudly helped homeowners and businesses throughout Sun Valley, Idaho enjoy reliable comfort in every season.