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Ductless Mini-Split Operation in Extreme Cold Temperatures

mini-split, mini-split service

Ductless mini-splits perform best in moderate climates. Extremely cold weather like what the East Coast experiences during the winter can dramatically impact the heating performance of ductless mini-splits.

Luckily in the Vancouver, WA and North Portland, OR area we don’t see weather below 32 degrees Fahrenheit often. However, it’s important to understand how extreme cold temperatures impacts your ductless mini-split on those rare days of extreme cold.

In this blog, we discuss how extreme weather impacts your ductless mini-split and what you can do to ensure that your system will still heat your home as effectively as possible.

HSPF System Rating

Do you know the HSPF rating of your ductless mini-split system? HSPF stands for Heating Seasonal Performance Factor. If you want to ensure that your ductless mini-split will perform at top capacity during low temperatures, we recommend that you invest in a system with a higher HSPF rating.

Most ductless mini-split manufacturers and brands offer a top efficiency line with high HSPF ranked equipment. For example, Mitsubishi has a “hyper heat” high efficiency line and LG has a “LGRED” high efficiency line both of which have top of the industry HSPF ratings and perform better at low temperatures.

Are you interested in learning more about a high efficiency ductless mini-split system for your home? We offer free in home estimates on new equipment. Click here to schedule a free no pressure appointment with one of our experts.

Location of Your Outdoor Unit

Did you know how and where the outdoor unit is installed can greatly impact your ductless mini-split system’s ability to perform well during cold temperatures?

The unit should be placed in such a way that air circulation is not hindered by your home or surrounding debris. Also you need to make sure there is enough room around the unit so that snow and ice doesn’t build up around it.

In areas where large amounts of snowfall is common, it’s recommend that you place the outdoor unit under an overhang of some sort. This way snow will not build up on top of the unit, but make sure there is enough space between the overhang and the unit so air flow isn’t hindered and/or blocked.

Preventative Winter Measures

Do you see frost and/or ice built up on your outdoor unit’s coil? If so, don’t fret! This is a normal part of a ductless mini-split’s heating function. When this occurs, your ductless mini-split system will enter defrost mode in order to melt the frost and ice. After it’s melted, the liquid will fall into a drain pain.

The defrosting process can be more complicated during low temperatures. The ice and frost the melts into the drain pain can refreeze. Overtime the ice in the drain pain can build up and damage other parts of the outdoor unit such as the coil fins and fan blades.  This type of damage requires ductless mini-split service repair that can add up to thousands of dollars.

There is something you can do to avoid these large ductless mini-split service repair costs. Consider installing  you a ductless mini-split drain pan heater. This will keep the water that drips into your drain pan from freezing during the days of low temperature. We recommend consulting an HVAC professional about, which drain pain heater you should get for your unit as they vary depending on brand and outdoor unit model type.

Ductless Mini-Split Service

Are you in need of a ductless mini-split service or have questions about ductless mini-split systems? Give us a call today at 360-524-2880 and one of our trained professionals would be happy to help you! Our office is open Monday-Friday from 8am to 4pm. We also offer 24/7 Emergency Services.

 

Ductless mini-splits require special attention during extremely cold weather. Learn how they best operate in the winter to avoid mini-split service repair. #ductless #mini-split #winter @millersheatingair

 

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