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When Do You Need to Service Your HVAC System?


Seasonal Insights for Staying Comfortable Year Round in Bellevue and Beyond

While some might joke that the weather in the Puget Sound area has only two seasons—rain and summer—the reality is more nuanced and varied. That's why homes in Bellevue, WA, and beyond need a well-tuned HVAC system to be ready no matter what the weather, rain or shine, hot or cold. But how often do you need to service your system? Let’s explore what you need to know below. 

SEE ALSO: 7 Reasons Why HVAC Maintenance Plans Are Worth It

Signs that Your HVAC Needs Servicing

Here are some telltale signs that your HVAC system needs a professional's touch: 

  • Unusual Noises: Strange sounds from your furnace or air conditioner could indicate mechanical problems. If your system is making whistling, banging, or grinding noises, it's time to call in the experts.
  • Inconsistent Temperatures: If certain rooms are too hot or too cold, or if you're constantly adjusting the thermostat, your system may be struggling to distribute air efficiently.
  • Rising Energy Bills: An unexpected increase in your utility bills can be a sign that your HVAC system is working harder than it should, often due to a lack of maintenance or a need for repair.
  • Poor Air Quality: An increase in dust or changes in humidity levels inside your home could mean your system isn't filtering air properly.
  • Age of Your System: Even with diligent care, HVAC systems have a lifespan—systems older than ten years may require more frequent check-ups and, potentially, replacement.

Seasonal Maintenance

Proactive maintenance can save you headaches later, such as your furnace breaking down in a February cold spell or your air conditioning going on the fritz in an August heat wave. Here are some examples of preventive maintenance:


  • Air Conditioning Prep: Have a professional service your air conditioner before the summer heat arrives. This includes checking refrigerant levels, inspecting the coils, and ensuring the system runs efficiently.
  • Filter Replacement: Change your air filters to maintain good air quality and system efficiency.


  • Heating System Tune-up: Service your furnace or heat pump to prepare for the cooler months. This often includes cleaning burners, checking for carbon monoxide leaks, and verifying the heat exchanger's integrity.


  • Regular Monitoring: Keep an eye on your system's performance during its most intense season of use. Listen for unusual noises and monitor your energy bills for any spikes that could indicate a problem.

Making it Easy

Want a simple approach to HVAC maintenance? Bob’s Heating has maintenance plans to take care of your systems, from gas and electric furnaces to air conditioners, heat pumps, and more. We keep your systems running in top shape, saving you from major repairs down the road and ensuring your product warranties remain valid. With an annual maintenance plan, you have one less thing to worry about.

Trust the pros at  Bob’s Heating to keep you comfortable no matter the season. Want to know more? Contact us here; we look forward to working with you!

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