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Mitsubishi® Ductless Air Conditioners

Ductless AC is the new wave of cooling technology that has revolutionized how homeowners and businesses cool their properties. Due to certain limitations on central air conditioners, and the increased need for cooling during the hot summer months, ductless offers exceptional value without major modifications to your home or business. Let’s take a look at what makes up a ductless air conditioner, how it works, what differences there are between ductless and central air conditioners, and how ductless saves you money on your utility bills.

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What is a Ductless Air Conditioner?

A ductless AC is, as its name implies, a cooling system that is designed to run without the need for ductwork. With a ductless air conditioner installation, there is no ductwork and minimal installation work involved – meaning no costly renovations to your home or business. This feature is great for historic homes or properties where installing ductwork is not feasible. Requiring no ducts also helps in other situations such as finished attic spaces, garages, sunrooms, home additions, pool houses, and many more!

Mitsubishi Ductless air conditioners are made up of at least two key components: an indoor air handling unit and an outdoor compressor/condenser unit. The ductless system works similar to a central air conditioner cooled air back into your home or business. Furthermore, ductless AC units are whisper-quiet, air-purifying, longer-lasting, and typically require less service over the course of its lifetime.

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How Does a Ductless Air Conditioner Work?

Ductless cooling systems work similar to a traditional heat pump as far as how the mechanics go of how they remove heat and humidity from the air. On the refrigerant side, the low-pressure refrigerant gas is changed by the compressor into a high-pressure gas. The resulting hot air is blown out into the air by a forced air fan within the indoor air handler. As the heat is withdrawn, the compressed coolant is changed into a high-pressure liquid form. This high-pressure liquid is then changed into a low-pressure liquid by a meter at the evaporator coil. The refrigerant then takes in the heat of the indoor and air cooling it. The now cooled air gets distributed into your home. The now formed low-pressure gas is forced through the low suction line back to the compressor, and the entire cooling cycle begins all over and is continuously repeated. The result? A room cooled to your comfort level within that “zone”, negating the need to cool your entire home as with a typical central air conditioner or heat pump.

What Are the Differences Between a Ductless AC and Central Air Conditioner?

The difference between Mitsubishi Ductless Cooling Systems and traditional cooling systems (central air conditioners) may not be evident upon first inspection. Let’s contrast a ductless air conditioner with a standard central air conditioner to see all the benefits of a ductless system:

Ductless Air Conditioners

  • No Ductwork
  • Flexibility With Zoned Temperature Controls
  • Sleek Modern Look
  • Energy-Efficient
  • Cost Savings on Utility Bills
  • Safer than Window Air Conditioners
  • Small Form Factor
  • Minimal Installation Requirements (just a 3” hole)
  • Longer Lifespan
  • Whisper Quiet Operation
  • Free Mobile App Control

Central Air Conditioners

  • One or More Large Outdoor Condenser Units
  • Requires Ductwork
  • Ductwork Cleaning
  • May Require Demolition & Renovation
  • Leaves Hot & Cold Spots
  • Noisier Operation
  • Costly Renovations to Add Ducts
  • Inefficient: Needs to Cool All the Indoor Air
  • Higher Utility Costs
  • Inflexible Temperature Controls
  • Requires an Air Exchanger

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Why is Ductwork Such a Big Deal?

In a single word: inefficiency.

Ducts are the routes to and from the various rooms used by traditional air conditioning units. With a ducted unit, the ducts are routed off a main intake or plenum, which is attached to a furnace or heat pump. This unit then connects to the cooling unit that usually sits just outside the wall of the house or commercial property. Cooled air is blown from the main blower through a series of sheet metal ducts specially made to fit your home or business.

As the cooled air is blown through ductwork it brings with it dust and allergens, loses its temperature through ‘leaks’ in the ducts and, depending on the vent placement, may not be optimal for cooling the room. Keep in mind, longer travel means weaker airflow into a room & more opportunity for the air to leak from the ducts. The farther the cooled air has to travel to the vents in the rooms most distant from the cooling unit, the weaker the airflow and greater chance of reduced cooling. Second-floor and third-floor rooms are typically worse on extremely hot days. Because of this fact, modern homes need to have separate outdoor condenser units to cool the main level, but also the second story and sometimes the third story of rooms. All of which increases your utility bills.

Installing new ductwork can be a costly and messy process. For example, if you’re in a historic home, a home built without ducts such as homes that use boilers to heat the home, or a place that wasn’t designed to be cooled, such as an attic, garage, basement, sunroom, enclosed patio, etc. – new ducts would need to be run from the main heating/cooling unit (often times in the basement). This process would entail opening up walls leading to these rooms or spaces in order to install the ductwork and then patching over the wall. Depending on your layout this demolition and renovation can get costly very quickly.

A ductless air conditioning system avoids these limitations. Instead of receiving cooled air into your home through vented ducts in the ceiling or floor, the ductless system blows air directly from the mounted ductless unit into the room. The flexibility allows the ductless unit to be installed almost anywhere in the space while typically only requiring a 3” hole to connect to the outdoor unit. These are the major advantages of ductless AC units and why so many folks are turning to them as the new way to efficiently cool their homes.

Isn’t a Ductless Mini-Split System The Same Thing?

Yes – in some ways. A mini-split system is similar to a ductless air conditioner but also includes a heating element. The mini-split still utilizes one or more indoor air handlers matched to an outdoor unit. This functions much like a standard heat pump that cools in the summer and heats in the winter.

A multi-split uses one condenser unit wired with multiple indoor units. This arrangement gives the best layout for setting multiple cooling & heating zones throughout your home or business.

How Does a Ductless Air Conditioner Save Energy?

First off, ductless cooling systems have some of the HVAC industry’s highest SEER ratings. A SEER rating refers to the Seasonal Energy Efficiency Ratio, and it is the national standard for rating AC systems. The highest SEER rating in the industry ensures the most efficient energy use among all air conditioners. Mitsubishi® Ductless air conditioners’ SEER rating gives you a better performing unit which is able to use energy efficiently so that you can cut your utility costs.

Additionally, ductless AC systems eliminate the risk of lost energy through leaky ductwork. Every built ducted system has leaks, and even if they are wrapped, they still lose cool air. With a ductless air conditioner, you are no longer losing that cold air and extra money.

Making the Switch to Ductless Cooling?

One of the biggest benefits of switching to a ductless system is not having to deal with a leaky duct system and the limitations they could impose. Leaks and wrongly-sized duct systems are the banes of cost-conscious consumers.

Mitsubishi® ductless cooling units are much smaller and quieter than a single, ducted unit that wastes both energy and your money in the way of higher utility bills. The flexibility to have “zoned temperature control” allows gives you and your family greater comfort. Additionally, the highest SEER ratings in the industry mean peak efficiency, and that equals lowered utility costs.

Finally, ductless air conditioner installations are the financially sensible option for installing air conditioning units into older houses, buildings, garages, or even new additions to your home without having to undergo the costly process of installing ductwork. Like what you see? Give us a call today at: 724-DUCTLESS.

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