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Ductless heating and cooling systems are associated with many benefits, such as energy efficiency, ease of installation, and quiet operation — and that’s just the start. However, just the same as any other type of HVAC system, there are potential problems lurking.

If you’re thinking of installing a ductless HVAC system or already rely on one to heat and cool your home, don’t let any of these mistakes sneak up on you.

1. Improper installation

A common mistake that’s easily avoidable, improper installation can cause a variety of issues ranging from damage to your home to unnecessary ongoing costs. The best way to prevent this problem is by hiring an experienced professional. Ductless HVAC installation is not a DIY project. There are too many things that can go wrong, all of which can cost you time and money now and in the future.

2. Lack of maintenance

Just the same as any type of HVAC system, regular maintenance is critical to efficient long-term performance. For example, filters must be removed and cleaned every month or every other month. Other maintenance items include:

Some of these things are required more often than others. Neglecting them is a mistake that’s likely to cause trouble, sooner rather than later.

3. Too many indoor air handlers

There are many factors to consider when deciding how many indoor air handlers to install. This includes things such as the size of your home and the type of system. More isn’t always better when it comes to the number of indoor air handlers.

Consulting with a professional ensures that you don’t overdo it. This allows you to heat and cool your entire home, throughout the year, without wasting money on energy costs.

4. Choosing the wrong install location(s)

This holds true of both the outdoor unit and indoor air handlers. For instance, it’s best to place your outdoor unit in an inconspicuous location so as to not detract from the curb appeal of your home.

As for indoor air handlers, the same holds true. Consider all your mounting options to choose locations that don’t hinder the overall style and decor of your room.

5. Ignoring signs of malfunction

Is your system noisier than you’ve come to expect? Have you noticed that it’s not turning on and off as expected? Have you spotted a water leak?

If you have any reason to suspect a malfunction — no matter what it may be — dig deeper to better understand what’s happening. This approach is better than doing nothing and hoping for the best.


With a variety of mistakes lurking, there’s never a good time to take a risk. It’s best to do everything the right way the first time around. And if you want to do that, it’s time to contact New England Ductless to book a consultation. No matter your circumstances, we can help you choose and install the perfect ductless HVAC system.

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