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Winter Prep: Get Your Mini Split Ready for the Chilly Winter

As the colder months approach, your ductless mini split becomes one of the most valuable systems in your home. Known for their efficiency and versatility, ductless mini splits keep living spaces comfortable through both heating and cooling seasons. But to get the most out of your system this winter, a bit of preparation goes a long way. Here are a few key steps every homeowner should take to prepare a ductless mini split for the demands of winter.

1. Schedule Professional Maintenance

A professional tune-up is the single most effective way to keep your ductless mini split running efficiently throughout the heating season. During a maintenance visit, a technician will inspect coils, clean filters, check refrigerant levels, and ensure all electrical components are operating properly. Professional servicing not only boosts efficiency but also helps prevent costly repairs later. Ideally, schedule maintenance before the coldest months hit so your system is in peak condition when you need it most.

2. Address Any Necessary Repairs Early

If your system has been showing signs of trouble—such as reduced airflow, odd noises, or uneven heating—now is the time to have those issues repaired. Small problems often become bigger ones during the strain of winter use. For example, a refrigerant leak left unchecked can reduce efficiency, drive up energy bills, and eventually cause a full system failure. Tackling repairs proactively ensures your home stays warm and comfortable all season long.

3. Clean or Replace Air Filters

Your ductless mini split relies on clean air filters to maintain airflow and indoor air quality. Dust and debris buildup can force the unit to work harder, reducing efficiency and raising energy costs. Before winter begins, remove the air filters from each indoor unit, wash them thoroughly (if reusable), or replace them if disposable. Make this part of your regular monthly or bi-monthly routine for the best results.

4. Inspect and Protect the Outdoor Unit

The outdoor component of your mini split needs special attention before winter weather arrives. Clear away any leaves, branches, or debris within two feet of the unit to allow for proper airflow. Ensure snow and ice won’t pile up around it by checking the drainage and possibly elevating the unit if needed. A clear, unobstructed outdoor unit is essential for efficient heating performance.

5. Set Your System for Heating Mode

Before the first frost, switch your ductless mini split to heating mode and test it. Make sure warm air is flowing and that the temperature settings are responding as expected. This test run gives you time to identify any issues before cold weather makes reliable heating critical.

Preparing your ductless mini split for winter doesn’t take much effort, but it can make a big difference in comfort, efficiency, and system longevity. By scheduling professional maintenance, addressing repairs early, cleaning filters, protecting the outdoor unit, and testing the heating mode, you’ll ensure your home stays warm without driving up energy costs. A little preparation now means a stress-free, cozy season ahead.

Our team of Home Performance Experts has served the I-5 corridor from Blaine to Marysville, Oak Harbor to Concrete, and the San Juan Islands since 1972 with a mission of Improving Lives™. We look forward to serving you too! Contact Barron Heating today for assistance with your ductless mini split. 

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