HVAC Maintenance

Free Estimates

Licensed in MN and WI

Veteran and Senior Discounts

Free Estimates | Licensed in MN and WI | Veteran and Senior Discounts

(218) 208-4511
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Hours: Open • Closes 7:00 pm

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HVAC System Tune-Ups and Safety Checks

Your HVAC appliances are the most important and expensive components of your home. Keep your HVAC units operating at their peak performance with routine system tune-ups and safety checks from NorthStar Services. Our professionals will be there for you.


The two most important things you can do for your HVAC system are to regularly change the air filters and have a routine professional system tune-up. Make sure you check your air filter every month and change it at least every three months or when it is dirty. Hire our trained professionals for a regular maintenance service, especially during the fall and spring months. We use the latest in thermal imaging technology as part of our HVAC inspection services as well.


Fill out our online form to schedule your appointment with NorthStar Services. You can trust a business highly rated by both Angi and HomeAdvisor.

Perform the Following Checks on Your HVAC System

  • Check your thermostat settings
  • Tighten all electrical connections and measure voltage and current on motors.
  • Lubricate all moving parts.
  • Check and inspect the condensate drain in your central air conditioner, furnace, and/or heat pump (when in cooling mode).
  • Check system control to ensure proper and safe operation.
  • Inspect, clean, or change the air filter in your central air conditioner, furnace, and/or heat pump.


Regular maintenance can save you lots of money and prevent unnecessary repairs for your HVAC in Duluth, MN. A system tune-up can increase its efficiency and decrease your energy usage! Ask how you can receive special discounts and Priority Service with our Club Membership Program.

Benefits of Routine HVAC Tune-Ups

  • Extended life of your system
  • Reduced repairs
  • Improved comfort
  • Optimal efficiency
  • Lower utility bills


Call us at (218) 208-4511 to schedule your heating and cooling system tune-up today! We are fully certified by NATE (North American Technical Excellence). Ask how you can receive special discounts and Priority Service with our Club Membership Program.

Diagnosing Common AC Problems

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