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After hours are considered overtime.
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Monday-Friday — 8:00-4:30

Commercial HVAC Maintenance

Heating and cooling systems work 7 days a week so regular care is needed to keep them from breaking down and costing you business. North Star Heating has over 30 years of experience servicing all brands of commercial HVAC equipment to keep it performing at its best.

Our service area includes all businesses in Snohomish, Skagit, Whatcom and Island Counties. Our custom preventative maintenance plans are tailored to your specific equipment with service on a quarterly, seasonal or annual basis. Please note-we focus on commercial maintenance and do not offer residential service.


Building long-term relationships with our clients is our focus and therefore, we perform our work as thoroughly and efficiently as possible.

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Custom maintenance plans

Our maintenance contracts offer yearly, seasonal or quarterly inspections for your equipment. Your preventative maintenance plan will include inspecting all equipment for potential issues along with checking and testing components to ensure they are working properly.

Any repairs found during our inspection will be written on a “QUOTE” form and submitted to you for approval. Our goal is to find any problems early and repair them while small and less expensive to fix.

Why do you need preventative maintenance?

  • Keep equipment running at maximum efficiency
  • Identify problems when small & cost less to fix
  • Reduce down time & emergencies
  • Extend the life of your equipment

Quarterly HVAC maintenance

This is a partial list of quarterly maintenance items, which varies depending on your equipment.

  • Replace air filters/clean washable air filters
  • Inspect indoor/outdoor coils & hand brush as needed
  • Check fresh air inlet screens
  • Inspect belts, sheaves, pulleys, fan blades, etc.
  • Check motor/blower shaft bearings & contactors/relays for wear
  • Inspect circuit boards, electrical disconnect switches & fuses

Annual heating & cooling inspection

This is a small sample of components tested and checked annually, which is customized based upon your existing equipment.

  • Inspect heat exchangers, burners & gas valve operation
  • Check all controls & adjust if necessary
  • Test safety devices to ensure proper operation
  • Tighten all electrical connections in control panels
  • Check refrigerant operating pressures
  • Confirm all Schrader caps are snug & in place

Commercial HVAC plans pay off

Regular maintenance of your heating and cooling equipment keeps it operating at maximum efficiency, which results in the following:

  • Decreased energy consumption
  • Extended lifespan of equipment
  • Reduced risk of potential ozone damaging refrigerant leaks

Contact us to learn more about how we can keep your commercial equipment running its best while avoiding the added stress of unwanted breakdowns.