Whether you're replacing an aging system or installing equipment in a new home, we'll help you find the right solution for your comfort needs and budget. We install quality heating and cooling systems designed for efficiency, reliability, and long-term performance.
From routine maintenance to unexpected breakdowns, our team is here to keep your HVAC system running efficiently and reliably. Regular service helps improve performance, extend equipment life, and reduce the risk of costly repairs.
Breathe easier with indoor air quality solutions designed to reduce airborne contaminants, improve airflow, and create a healthier home environment. We offer filtration, air purification, and ventilation options to fit your needs.
Please contact us if you have any questions!
Yes! We provide emergency HVAC service outside of regular business hours. If you're experiencing a heating or cooling emergency, call our after-hours emergency line at 218-508-8362.
We recommend having your heating system serviced each fall and your air conditioning system serviced each spring. Regular maintenance helps improve efficiency, extend equipment life, and reduce the risk of unexpected breakdowns.
Most homeowners should check their air filter monthly and replace it every 1-3 months as needed. Homes with pets, allergies, or higher dust levels may require more frequent filter changes.
Yes. We offer financing options to help make HVAC system replacements and installations more affordable. Contact our team to learn about current financing programs and available promotions.
Common signs include frequent repairs, rising energy bills, uneven temperatures, unusual noises, and equipment that is 15-20 years old or older. We can evaluate your system and help you determine whether repair or replacement makes the most sense.
Yes! We provide free estimates for new equipment installations and replacements. We'll evaluate your home, discuss your options, and provide a written estimate with no obligation.
We proudly serve Walker, Laporte, Nevis, Longville, Remer, Lake George, Hackensack, Cass Lake, and surrounding communities throughout northern Minnesota.
Yes. Our technicians service and repair most major brands of heating and cooling equipment.
AJ Heating & Cooling
8537 State 371 NW. Walker, MN 56484
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