NorthStar Services is your trusted HVAC expert at 301 S Central Ave, Duluth, MN 55807. We provide comprehensive heating and cooling solutions to keep your Northland home comfortable year-round. Our services include professional installation of furnaces, air conditioners, and heat pumps, along with reliable repair and maintenance plans. We also specialize in indoor air quality improvements, installing air purifiers, humidifiers, and ventilation systems. For energy-efficient climate control, ask about our smart thermostats. Our certified technicians are committed to prompt, quality service for every resident in Duluth and the surrounding areas. Trust NorthStar Services for all your home comfort needs.

Advantage Air Plumbing, Heating, & Cooling is your trusted local HVAC expert in Duluth, MN. We provide comprehensive heating and cooling services, including precision installations of furnaces, air conditioners, and heat pumps. Our skilled technicians perform thorough maintenance, repairs, and 24/7 emergency service to ensure your home's comfort year-round. We also specialize in indoor air quality solutions, offering air duct cleaning, humidifiers, air purifiers, and ventilator systems. For all your HVAC needs at 4929 Matterhorn Dr Ste 6, trust our team for reliable, professional service.

For over 30 years, Design Heating, LLC has provided reliable HVAC services from its Duluth location at 5131 Washburn Rd. This family-owned company specializes in the installation, maintenance, and repair of furnaces, air conditioners, heat pumps, and boilers. They offer comprehensive system tune-ups, 24/7 emergency repairs, and expert duct cleaning services. As an authorized dealer for top brands like Lennox, they handle both residential and commercial projects. Their team of NATE-certified technicians is dedicated to ensuring year-round comfort with efficient heating and cooling solutions for every Northland home and business. Trust their expertise for all your temperature control needs.