Ductless Air Conditioner


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Ductless air conditioner allows us to deliver air conditioned air to rooms with no ducts. Even houses with central air use ductless mini split air conditioners.  Most of ductless AC units we install in houses with already installed central air. Ductless AC units allows to bring cool air to places with no or insufficient air conditioning.


Spaces With No Ducts.
It Could be either whole house or some parts of it, like the attic. or We can bring ductless cooling to virtually any room of the house. Unlike ducted systems, you will be cooling only the space you are currently using - be it an office, a bedroom or a family room. No wasted hydro.

Not Sufficient Cooling.
There are always some rooms in every house that don't get enough cooling. Ductless air conditioners is a perfect solution for those cooling deprived spaces.

Multi Unit Ductless Air Conditioners aka Multi Zone Air Conditioners.
Cooling only parts of the house that we use at the moment.  It"s a great way to increase air conditioning efficiency and to save on electricity. For example,  cooling the home office at day time and air conditioning only bedrooms at night time. Multi unit ductless air conditioners, aka multi zone air conditioning, is a perfect solution for such places. 

Traditional Central Air System

Traditional Central Air System

Multi Zone Ductless System

Multi Zone Ductless System


Is ductless air conditioner less expensive to run than a central air conditioner?

Yes, and substantially so for two main reasons

Life Expectancy

We, at Cozy World Inc, have installed multiple Mitsubishi ductless air conditioners and ductless heat pumps in the last 15 years. Never had a call back. Ductless air conditioners, when installed properly and maintained regularly, can have life expectancy 15-20 years. 

How many Ductless / Mini Split Air Conditioners do I need for my home?

Ductless air conditioners are used for one room applications only. If you need to cool more than one room, we will be using and multi room heat pump. They do cooling in summer and reverse to heating in winter.

Most likely one outdoor unit with several indoor units will suffice. This type of units are called multi zone heat pump, or multi zone mini split heat pump, or multi room heat pump. 

How Loud are Ductless Air Conditioners?

Actually, ductless air conditioners are more quiet than traditional air conditioning units. The exact amount of DB varies from model to model. But with any ductless air conditioner unit you can whisper talk next to the outdoor unit. Indoor units are quiet even by bedroom or library standards.

Are ductless air conditioners more energy efficient than central air conditioning systems?

Yes, they are substantially more efficient than central air units for two main reasons.

How many indoor units can be connected to one outdoor unit in a ductless air conditioning system?

Up to four.

How do ductless air conditioners compare in cost to central air conditioning systems?

Central air conditioner in its basic option is a rather primitive and inefficient system. It could be cheaper than a mini split air conditioner. If we compare units, ductless and central, of the same efficiency, the clear winner becomes ductless air conditioning. If we add the cost of ducts to the cost of central air conditioner, ductless system is a winner by a huge margin. 

What are the advantages of ductlessair conditioners?

What are the disadvantages of installing a ductless air conditioner?

It’s really difficult to come up with any. You can find negative reviews on ductless air conditioners. 

Can ductless air conditioners be used in multi-story homes?

Yes, we do install install ductless air conditioners in 2 and 3 storey houses. It might need extra efforts, especially with multi zone units.