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35 Years
experience
Emergency
services
Your Trusted HVAC Partner in New Ulm, MN
We are Nilson Heating & Air Conditioning, a second-generation HVAC company born and raised in New Ulm, Minnesota. Since 1991, we have served the greater New Ulm area with a commitment to exceeding customer expectations through individualized service. Our team, led by Sam and Adam with over 25 years of combined experience, specializes in HVAC installation, repair, and maintenance. As NATE-certified technicians and a Carrier Factory Authorized Dealer, we prioritize quality parts, exceptional service, and customer satisfaction.

We offer comprehensive consultations, money-saving solutions, and warranties on all services. Our dedication to efficiency and transparency ensures residential and commercial clients receive reliable heating, cooling, and ventilation systems tailored to their needs. With regular maintenance and emergency repair capabilities, we guarantee long-term comfort and system performance.
Services
HVAC Installation HVAC Repair Air Quality Services Duct Cleaning Filter Replacement
Details
  • Year established: 1991
Highlights and features
  • We offer 25+ years of combined HVAC expertise.
  • Our team is NATE-certified for technical excellence.
  • We are a Carrier Factory Authorized Dealer.
  • We provide 24/7 emergency repair services.
  • We guarantee customer satisfaction with free consultations.
Associations and certifications
  • NATE Certified
  • Carrier Factory Authorized Dealer
Services
HVAC Installation
We specialize in installing high-efficiency heating, cooling, and ventilation systems tailored to residential and commercial properties. Our technicians conduct thorough assessments to recommend optimal solutions, ensuring energy efficiency and long-term comfort. All installations include warranties and post-service follow-ups for performance verification.
HVAC Repair
Our team provides prompt repair services for malfunctioning HVAC systems, including emergency 24/7 support. We diagnose issues like refrigerant leaks, thermostat failures, and electrical problems using advanced tools. Repairs prioritize restoring functionality while minimizing energy waste and future breakdown risks.
Air Quality Services
We enhance indoor air quality through duct cleaning, filter replacements, and damper adjustments. These services reduce allergens, improve system efficiency, and extend equipment lifespan. Customized solutions address specific concerns like mold remediation or ventilation optimization for healthier living and working environments.
Duct Cleaning
Professional duct cleaning removes dust, debris, and contaminants from HVAC systems, improving airflow and reducing respiratory irritants. Our process includes sanitizing components and sealing leaks to enhance energy efficiency. Regular maintenance ensures consistent air quality and system performance.
Filter Replacement
We offer filter replacements to maintain optimal HVAC function and indoor air quality. Technicians recommend high-efficiency filters based on client needs, ensuring proper sizing and installation. Regular replacements prevent system strain, lower energy costs, and prolong equipment lifespan.
Questions
What HVAC services do you offer?
We provide installation, repair, and maintenance for heating, cooling, and ventilation systems, including air quality improvements and emergency services.
Are you available for emergency repairs?
Yes, we offer 24/7 emergency HVAC repair services to address urgent heating or cooling system failures.
What areas do you serve?
We primarily serve New Ulm, Minnesota, and the surrounding regions for residential and commercial HVAC needs.
Do you offer free estimates?
Yes, we provide free consultations and written project scopes, including cost estimates and required permits.
What certifications do your technicians hold?
Our team includes NATE-certified technicians and we are a Carrier Factory Authorized Dealer for premium equipment.
How often should HVAC systems be serviced?
We recommend servicing systems before each heating and cooling season to ensure optimal performance and longevity.