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Ductless System FAQ

Getting ductwork installed in an existing home is a pain. Are you switching from window units to a heat pump or updating an ancient system? To cool your Chattanooga, TN area home efficiently, consider a ductless mini-split system. For several reasons, you may prefer it to a central heating and cooling system.

For years, Europeans have preferred ductless HVAC systems. Among other reasons, the high percentage of old homes makes installing new ductwork a huge obstacle. And now, this tech is gaining popularity in the USA. Let’s look at some basic questions about ductless systems.


1. What Is a Ductless System?


Ductless systems, also called ductless mini-split systems, are like Mini-Me from Austin Powers. They’re a smaller version of your classic central HVAC split system. And, like the movie Mini-Me, they pack a punch. Besides being ductwork-free, they’re small, quiet, and extremely easy to use.

Perhaps best, your ductless system is hyper-efficient. Energy loss is at a minimum in these systems – cool or warm air is injected right where you need it most.


The Main Ductless System Components Are:

  • Outdoor condenser unit
  • Blower/evaporator units mounted in your selected rooms
  • 1-inch conduit linking the outdoor and indoor units

Each component is small. That makes replacement easier and more affordable than with central HVAC units. Plus, you won’t have to go to your thermostat to adjust the temperature. Remotes give you push-button control.


2. Do Ductless Systems Cost More?


That depends. Often, a ductless system will be more expensive to install. However, it’ll be far more efficient. The size of your home affects the overall cost.

Over the life of your system, you will spend less on utilities since no energy will go to waste. Cool the room you’re in. Heat the living room and bedrooms and ignore the kitchen (after all, the oven is on). The flexibility of a ductless heating and cooling system is amazing.

In addition, depending on the efficiency level of your chosen system, you may receive tax incentives. Combining tax breaks with lower operating cost, ductless systems often quickly pay back higher installation costs.


3. Does Every Room Need a Ductless Unit?


Does every room need floor lamps? Just like you don’t need pleasant lighting in every room, you don’t need a ductless unit in every room. But you’ll want them in the rooms you spend most time in.

Each outdoor unit will connect to a number of indoor units. Depending on the number of indoor units you choose, you may need an additional outdoor condenser unit. Placing a unit in each main living area is a good start.

In addition, you may choose to zone your home using ductless mini-split systems. You can choose to keep your bedrooms cool and large spaces warmer during the day. Then, turn the large-space units off at night for efficient comfort.

Oh, and are you adding onto your home? A ductless system is perfect for you. Don’t go through the hassle of installing more ductwork and a larger heat pump. Just install a ductless system in the new space and you’re done.


4. Is a Ductless Mini-Split System Easy to Install?


Yes – for professional HVAC technicians. You won’t want to tackle it yourself unless you’re well-versed in the principles of heating and cooling, have stellar technical know-how, and are extremely handy. In short, install your own if you’re an HVAC tech yourself. If you’re not, this is one area where you’ll benefit from outside help.


Read on.


3 Reasons to Choose Professional Ductless System Installation


1. To Avoid an Undersized System

If you install a system that’s not big enough, you’ll be chilly during winter and hot during summer. Your system will run less efficiently and wear out faster. You’ll spend more for less.


2. To Avoid an Oversized System

If you install a system that’s too big, your system won’t run for as long as it should (in HVAC terminology, it’ll “short cycle”). That’ll make it waste energy as it repeatedly spools up and back down again. When it’s on, it won’t stay on long enough for good system health and could wear out faster. And, in periods of high humidity, it won’t be on long enough to dehumidify your indoor air. That could promote mold growth and poor indoor air quality.


3. To Get the Measurements Right

Before installing your ductless system, a well-trained HVAC tech will take complete measurements of your home. This includes not just interior volume, but also insulation quality and the sun’s effect on your building’s exterior walls. Just Call Dale’s – you’ll get the best system for your home.


5. Does a Ductless System Replace Baseboard Heaters?


That’s your call. It will, easily. However, you may keep your baseboards if you wish. Some homeowners do, and most don’t. Even if you opt to keep them, you’ll probably end up not using them at all after seeing how effective and efficient your ductless system is.



To learn more about how a ductless mini-split system can benefit you, Just Call Dale’s at (423) 509-8787 or schedule an appointment online today. We’d love to help you decide which heating and cooling option is best for your family’s needs.