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What Size Ductless HVAC Do I Need? A Guide

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Many homeowners choose ductless mini-splits, which are helpful for home heating and air conditioning. These devices consist of individual wall-mounted indoor air units and an outdoor compressor, allowing for increased temperature control in each space containing a unit.

While these systems are quieter, packed with energy efficiency, and easier to install than standard HVAC units, you must consider some vital aspects before installing one at home. As the name suggests, a ductless mini-split functions without requiring ductwork, making them a viable option for many home designs; however, it’s still important to know just what size your unit needs to be. Below, we discuss why selecting the proper size ductless unit is crucial and what you must consider when deciding.

Importance of Correctly Sizing Your Ductless Unit

When you’re in the market for a new ductless mini-split, you must ensure that all the boxes are ticked for a successful installation. One crucial aspect is the size of the unit.

 If your unit is too small, it won’t be able to regulate the indoor temperature effectively. If it’s too big, its efficiency will lack, and the unit will likely wear out more quickly than anticipated. By properly sizing your unit with the help of a professional, you can rest easy knowing your unit is designed and equipped to meet your heating and cooling needs year-round.

What To Consider When Sizing Your New Mini-Split

Having a checklist accessible when you undergo a new mini-split installation is critical. The British Thermal Unit, or BTU, is the rating used to measure thermal energy; it’s the amount of heat used to increase the temperature of 1 pound of water by 1 degree Fahrenheit. In addition to using BTU as your sizing chart, you should also consider the following:

  • Ventilation and sealing: The indoor and outdoor units must be adequately ventilated to run efficiently. All open spaces should be properly sealed to prevent heating or cooling loss.
  • Ceiling height: The height of your ceilings matters as the higher the ceiling, the bigger the room, regardless of the calculated square feet. A bigger room will require more heating or cooling for comfort, affecting the unit size needed.
  • Climate: An important consideration is the climate in which you reside. Hot, humid climates require a greater focus on cooling, whereas brisk climates require more significant heating.

Install a New Ductless Mini-Split With Blanton’s

Since 1951, Blanton’s has delivered reputable HVAC services to our Fayetteville & Raleigh communities. With 70+ years of experience in the industry, we vow always to do the right thing with a can-do attitude. We continually grow and learn and will remain committed to delivering WOW services each time.

Ready to make the switch to a ductless unit? The Blanton’s team is here to help! Schedule service with our team today.

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Don’t Settle For Less

Make Blanton’s Your
First Call!

We make the process easy in multiple ways but you can always expect the same, easy way when you work with us:

There’s no waiting Around

We don't schedule in those 4 hour windows - you won’t have to wait around for us.

Instant Updates on Arrivals

We call you and give you updates. We provide a 30 minute heads up phone call.

You’ll Know Who Your Technician Is

When you book, you get a welcome email that shows your technician's photo and some of their recent customer reviews.

We Provide real time tracking

When your tech is dispatched, we provide a link where you can track them en route.

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