888.623.HVAC (4822)

Maintain it...

So... why do you need preventative maintenance?

  • Keeps equipment running at maximum efficiency
  • Identify and repair problems while they are minor and cost less to fix
  • Reduce down time and emergencies
  • Extend the life of your equipment


Green effortsOur participation to the green cause:

We believe one of the easiest and most environmental saving practices is performing regular maintenance inspections.


This reduces the number of service calls thereby reducing the number of vehicle trips, fuel consumption and exhaust emissions.


When HVAC equipment operates at maximum efficiency

  • Energy consumption is decreased
  • Equipment lifespan is extended
  • Potential for ozone damaging refrigerant leaks are reduced

HVAC equipment lasts longer with proper maintenance -

heating and cooling maintenancecall the specialists at North Star for your custom quote

The HVAC equipment in your Seattle business needs proper maintenance in order to perform at its best and the experts at North Star Heating have 30 years of experience in this area.


With many heating and cooling systems working 7 days a week, it makes sense that regular care is needed to keep them from breaking down and costing you business.


Walt has maintained our heating system for a number of years and is always available to us when we need emergency help. He is great at problem solving, including sniffing out those unusual smells. We give him a challenge and he comes up with an answer for us. I have recommended Walt and would highly recommend him to anyone.

- Denise M. Lead IC,
Windermere Real Estate/East, Inc.


Maintenance contracts offer yearly, seasonal or quarterly inspections with our staff customizing a plan for your specific equipment. Once we have finalized a preventative maintenance plan for you, 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 they are small and less expensive to fix.

Take a look at the lists below and then call for your personal quote. 888.623.4822

What’s included in a maintenance plan for heating and A/C?

Quarterly Maintenance

  • Replace disposable air filters with standard capacity pleated style.
  • Clean and reinstall washable air filters.
  • Inspect indoor & outdoor coils for obstructions; hand brush loose debris.
  • Inspect and brush the fresh air inlet screens.
  • Brush the blower motor air inlet openings of dust to maximize ventilation and extend motor life.
  • Check motor and blower shaft bearings for excessive wear. Lubricate when required.
  • Inspect belts, sheaves, pulleys, etc. Adjust when necessary.
  • Inspect fan blades for cracks.
  • Check blower wheels for cleanliness and obstructions.
  • Inspect insulation inside unit cabinet. Use adhesive to reattach when necessary.
  • Inspect circuit boards. Check for any previous fault codes.
  • Check contactors and relays for excessive wear and proper operation.
  • Inspect electrical disconnect switches and fuses. Look for signs of overheating.
  • Inspect building automation systems.
  • Check room thermostats.

Annual heating or cooling inspection, including heat pumps (seasonal)

  • Check hot water boiler condition, operation, and settings.
  • Check water circulating pumps and associated controls.
  • Inspect heat exchangers and burners.
  • Inspect and test gas valve operation.
  • Check air pressure switch and tubing. Confirm tubing connector is not becoming restricted with debris.
  • Test safety controls to ensure proper operation.
  • Tighten all electrical connections inside disconnects and inside HVAC equipment control panels.
  • Check low voltage electrical connections.
  • Check electrical amp draws of compressors, fan motors, duct heaters, etc. and compare with factory specifications.
  • Inspect and test electric duct heaters and associated controls.
  • Inspect compressor electrical terminals to help prevent compressor failures due to loose wire connections.
  • Test compressor crankcase heaters.
  • Check scroll compressors for proper rotation.
  • Check refrigerant operating pressures.
  • Confirm all Schrader caps are in place, in good condition, and are snug to prevent refrigerant leaks.
  • Check operation of reversing valves both mechanically and electrically in heating/cooling modes.
  • Test operation of defrost controls and temperature sensors.
  • Check fan cycling controls and adjust if necessary.
  • Check other refrigerant capacity controls and adjust if necessary.
  • Check compressor oil levels.
  • Inspect refrigerant coils and piping for evidence of leaks or potential leaks.
  • Inspect cooling tower operation. Adjust control settings when necessary. Clean sump inlet screens. Check sump heaters.
  • Check spray pumps, nozzles and tower fan operation. Adjust belts when necessary.
  • Check water circulating pumps and associated controls.
  • Inspect water source heat pumps in heating or cooling modes.
  • Test economizer motors and logic module settings for proper operation; inspect damper linkages.

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