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50+ Years
experience
Emergency
services
Trusted HVAC Services in Des Moines Since 1945
Kohles & Bach has been a trusted provider of HVAC solutions in the Des Moines area since 1945. As a family-owned business with over 80 years of experience, we specialize in air conditioning repair, furnace installation, and comprehensive heating and cooling maintenance services. Our team of SAVE-certified specialists is dedicated to delivering energy-efficient systems that enhance home comfort while reducing utility costs. Recognized as a Lennox Premier Dealer, we offer cutting-edge products backed by an A+ rating from the Better Business Bureau. Our 24-hour emergency service ensures prompt assistance for urgent HVAC needs, and our 1,700 sq. ft. fireplace showroom provides personalized solutions for residential and commercial clients.

With a focus on preventative maintenance and customer education, we help clients avoid costly repairs and extend equipment lifespan. Our commitment to quality is reflected in our BBB Integrity Award and decades of community service. We pride ourselves on transparent communication, ethical practices, and tailored solutions that meet individual comfort requirements. From routine tune-ups to complete system replacements, our licensed technicians deliver reliable service with a focus on long-term customer satisfaction.
Services
AC Repair Furnace Installation Fireplace Services Indoor Air Quality Geothermal Systems Heat Pumps Commercial HVAC Water Heater Repair Garage Furnaces 24-Hour Service
Details
  • Year established: 1945
Highlights and features
  • 80+ years of local HVAC expertise since 1945
  • Better Business Bureau A+ rated contractor
  • 24/7 emergency service available year-round
  • Lennox Premier Dealer with certified specialists
  • Comprehensive maintenance plans to prevent breakdowns
Associations and certifications
  • Better Business Bureau (BBB)
Services
AC Repair
Our certified technicians provide rapid AC repair services for residential and commercial properties. We handle emergency repairs, refrigerant leaks, and system diagnostics using advanced tools and manufacturer-approved parts. Our 24/7 service ensures minimal downtime during peak summer months.
Furnace Installation
We offer energy-efficient furnace installations with models achieving up to 99% AFUE ratings. Our specialists help clients select appropriate SEER-rated systems while qualifying for rebates. All installations include ductwork inspection and performance testing for optimal efficiency.
Indoor Air Quality
Our IAQ solutions include air filtration systems, humidifiers, and dehumidifiers that improve respiratory health. We install HEPA filters and UV germicidal lights to eliminate contaminants while maintaining proper humidity levels between 30-50%.
Fireplace Services
We provide full-service fireplace solutions including sales, installation, and annual maintenance. Our showroom features 17 display models with certified technicians performing safety inspections and chimney cleanings for gas and wood-burning units.
Geothermal Systems
Our geothermal installations utilize ground-source heat pumps for 40-60% energy savings. We design closed-loop systems tailored to property size and climate conditions, with maintenance plans ensuring 25+ year system longevity.
Questions
What HVAC maintenance services do you offer?
We provide comprehensive tune-ups for furnaces and AC units including component inspections, filter replacements, and efficiency testing.
Do you offer emergency HVAC service?
Yes, our 24/7 emergency service responds to urgent heating and cooling failures in Des Moines.
What rebates are available for new HVAC systems?
Current offers include up to $4,600 in rebates and tax credits for qualifying Lennox system installations.
How often should HVAC systems be serviced?
We recommend annual maintenance for heating systems before winter and AC units before summer.
What brands do you service?
We work on all major brands including Lennox, Carrier, Trane, and York equipment.
Do you provide commercial HVAC services?
Yes, we offer tailored solutions for commercial properties including roof pack units and large-scale systems.