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Business Details
40 Years
experience
Emergency
services
Your Trusted HVAC Partner in Twin Falls
Intermountain Heating & Air Conditioning has been a trusted provider of HVAC solutions since 1986, serving Twin Falls and surrounding areas. As a locally owned, veteran- and women-owned business, we prioritize customer satisfaction by treating every client like family. Our team of NATE-certified technicians brings decades of combined experience, specializing in heating, air conditioning, boiler, and water heater services.

We transitioned from Carrier to Day & Night in 2024 to offer superior value without compromising quality, maintaining our commitment to transparent pricing and 100% satisfaction guarantees. Our community-focused approach, BBB A+ rating, and 24/7 emergency services underscore our dedication to reliability and trustworthiness.
Services
HVAC Installation Heating Repair Air Conditioning Services Boiler Maintenance Water Heater Replacement Indoor Air Quality Emergency HVAC Services Precision Maintenance Programs Geothermal Systems Ductless Mini-Splits
Details
  • Year established: 1986
Highlights and features
  • We offer 35+ years of local HVAC expertise with NATE-certified technicians.
  • Our 24/7 emergency services ensure rapid response for urgent heating/cooling needs.
  • We guarantee 100% satisfaction with transparent, upfront pricing on all services.
  • Our Carrier and Day & Night partnerships ensure access to industry-leading equipment.
  • We prioritize long-term solutions over sales, with free diagnostics and honest advice.
Associations and certifications
  • Carrier Factory Authorized Dealer
  • BBB A+ Rated
  • NATE Certified
What people say
24/7 emergency support Honest straightforward service NATE-certified technicians Competitive pricing Reliable installations
Services
HVAC Installation
We specialize in installing high-efficiency HVAC systems tailored to your home's needs. Our technicians ensure precise setup of furnaces, heat pumps, and air conditioners for optimal performance. Backed by Carrier and Day & Night warranties, our installations reduce energy costs while maximizing comfort and reliability for long-term satisfaction.
Boiler Repair
Our Magic Valley-exclusive boiler expert provides fast, reliable repairs for residential and commercial systems. With 30+ years of experience, we diagnose issues efficiently and restore functionality. Preventative maintenance plans extend boiler lifespan and prevent costly breakdowns during critical seasons.
Indoor Air Quality
We improve indoor air quality through advanced filtration, humidification, and ventilation systems. Our solutions address allergens, pollutants, and humidity imbalances to create healthier living environments. Carrier-certified equipment ensures cleaner air and enhanced comfort for allergy sufferers and families.
Emergency HVAC Services
Our 24/7 emergency team responds promptly to urgent heating and cooling failures. Certified technicians diagnose and resolve critical issues at any hour, minimizing discomfort and preventing further system damage. Rapid service is available for residential and commercial clients across Southern Idaho.
Precision Maintenance
Our maintenance programs include comprehensive inspections, cleaning, and tune-ups to optimize system efficiency. Regular service extends equipment lifespan, reduces energy bills, and prevents unexpected breakdowns. Customers receive priority scheduling and discounted repair rates as part of our proactive care approach.
People
Kosta
Owner/General Manager
Kosta took over leadership after founder Larry Ernst's passing. With a background as an immigrant who built his career from the ground up, he maintains the company's family-oriented values while driving growth initiatives and employee development programs.
Silvanna
Marketing Director
Silvanna leads digital marketing efforts, leveraging her expertise in social media and psychology to enhance customer engagement. She plays a key role in modernizing the company's outreach while maintaining its community-focused heritage.
John
Advisor
A retired Air Force veteran and strategic advisor, John provides operational guidance and technological expertise. His leadership ensures the company maintains military-grade standards of reliability and customer service excellence.
Teresa
Office Manager
Teresa manages daily operations with a focus on customer service. Her transition from part-time to full-time roles exemplifies the company's commitment to employee growth and creating a supportive workplace environment.
Questions
Do you offer 24/7 emergency HVAC services?
Yes, we provide 24/7 emergency services for urgent heating and cooling issues across Twin Falls and surrounding areas.
What financing options are available?
We offer financing through Wells Fargo and other partners, with lease-to-own programs for qualifying customers.
Are your technicians certified?
All technicians are NATE-certified with specialized training in Carrier and Day & Night systems for expert installations and repairs.
Do you service commercial HVAC systems?
Yes, we provide comprehensive heating, cooling, and maintenance services for both residential and commercial properties.
What areas do you serve?
We serve Twin Falls, Magic Valley, and surrounding Southern Idaho communities for all HVAC needs.
Can you help with home warranty claims?
We process home warranty claims during regular business hours and coordinate directly with approved warranty providers.