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Mini Split Installation

Ductless cooling and heating for rooms that need their own comfort zone

Ductless Mini Split Installation

Comfort Where Your Home Needs It Most

Some rooms are difficult to keep comfortable with a central system alone. A ductless mini split gives you targeted cooling and heating for a specific space without adding bulky ductwork or relying on temporary window units.

AirZone HVAC Services installs ductless mini split systems for bedrooms, additions, home offices, older homes, finished basements, garages, and other hard-to-condition spaces. Our team helps you choose the right system layout, indoor unit location, outdoor placement, and capacity for long-term comfort.

Since 2005 Helping Ottawa homeowners improve comfort and efficiency
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Local Team Installed by AirZone technicians, not passed off to subcontractors

Room-by-Room Comfort Without Major Renovations

A mini split is often the right choice when one part of the home needs its own comfort solution. Instead of trying to force more airflow through existing ductwork, a ductless system delivers heating and cooling directly to the space.

This can be especially useful in older Ottawa homes, finished areas, additions, and rooms that were not designed around today’s comfort expectations. The right installation can make the space more usable, more efficient, and more comfortable throughout the year.

Good installation matters. The equipment is only part of the result. Indoor unit placement, outdoor unit location, line set routing, drainage, electrical planning, and system sizing all affect comfort, appearance, noise, and serviceability.

Hot bedrooms and upper floors

Add dedicated cooling to rooms that stay warm even when the central AC is running.

Additions and converted spaces

Condition a new or renovated area without extending large duct runs through the home.

Older homes without ducts

Improve comfort without the cost and disruption of adding a full duct system.

Home offices and family spaces

Keep frequently used rooms comfortable when the rest of the home does not need the same setting.

Designed Around the Room, Not Just the Equipment

A ductless mini split should be selected and installed around how the space is actually used. AirZone looks at the full comfort picture before recommending a system.

Home Comfort Review

We look at the room, layout, insulation, exposure, ceiling height, comfort issue, and how often the space is used.

System Recommendation

We explain whether a single-zone mini split, multi-zone ductless system, or another HVAC option is the better fit.

Clean Installation

Our team installs the indoor and outdoor equipment with attention to appearance, drainage, access, and proper operation.

Testing and Walkthrough

We test the system, review the controls, and show you how to use your new mini split efficiently.

Mini Split, Ductless AC, or Heat Pump?

Homeowners use different names for these systems. Some call them mini splits, ductless air conditioners, ductless heat pumps, or ductless split systems. The best choice depends on whether you mainly need cooling, supplemental heating, or year-round comfort.

AirZone can help you compare the options and avoid overspending on a system that is too large, too small, or not well matched to the room. If a central air conditioner, furnace, or whole-home heat pump would be a better fit, we will tell you.

For summer cooling A mini split can cool a specific room or zone without lowering the temperature in the entire home.
For supplemental heating Many ductless systems are heat pumps, which can provide useful heating support in the right application.
For multiple rooms A multi-zone ductless system may serve more than one area, depending on layout and comfort goals.

Replacing an Older Mini Split?

If you already have a ductless system that is leaking, noisy, not cooling well, short cycling, or no longer keeping up, replacement is not always the first answer. In some cases, a diagnostic visit can confirm whether the issue is repairable.

When replacement does make sense, AirZone can help you choose a modern system that better matches the room, improves comfort, and avoids repeating problems from the original installation. For existing equipment issues, start with our cooling repair and diagnostic service.

A mini split may be a good fit if you want to:
  • Cool a room that your central system cannot keep comfortable.
  • Add comfort to an area without installing new ductwork.
  • Improve a home office, bedroom, addition, basement, or converted space.
  • Reduce reliance on window units or portable cooling.
  • Add a high-efficiency option for targeted heating and cooling.

Ductless Mini Split Installation FAQs

These answers cover common questions about mini split installation, system fit, heating and cooling use, and what homeowners should expect before requesting a quote.

What is included in ductless mini split installation?

Ductless mini split installation usually includes reviewing the space, selecting the right system size and configuration, installing the indoor and outdoor units, running the line set and drainage, completing the required electrical and mechanical connections, testing the system, and showing the homeowner how to operate it.

Is a mini split the same as ductless air conditioning?

In many homeowner conversations, yes. A mini split is a ductless heating and cooling system that does not rely on traditional ductwork. Some people call it a ductless AC, ductless heat pump, mini split air conditioner, or ductless split system.

Can one mini split cool my whole home?

One mini split is usually best for one main room or comfort zone. Some homes can use a multi-zone ductless system, while others may be better served by a central air conditioner, a cold-climate heat pump, or a combined system design. AirZone can review the layout and recommend the most practical option.

Where are ductless mini splits usually installed?

Mini splits are commonly installed in bedrooms, additions, older homes, finished basements, home offices, garages, renovated spaces, and rooms that do not receive enough heating or cooling from the main HVAC system. Placement depends on airflow, wall space, drainage, outdoor unit location, and service access.

Do ductless mini splits provide heating and cooling?

Many ductless mini split systems are heat pumps, which means they can provide both cooling and heating. The right setup depends on whether the system is being used mainly for summer cooling, supplemental heating, or year-round comfort.

How do I know what size mini split I need?

The right size depends on the room size, insulation, ceiling height, window exposure, layout, number of occupants, and how the space is used. Guessing based only on square footage can lead to poor comfort, short cycling, noise, or inefficient operation.

Should I repair or replace my existing mini split?

It depends on the age of the system, the type of problem, parts availability, repair cost, efficiency, and whether the equipment still meets your comfort needs. If the system is newer or the issue is minor, repair may make sense. If it is older, unreliable, or poorly matched to the space, replacement may be the better long-term option.

Does AirZone install mini splits across the Ottawa area?

Yes. AirZone HVAC Services installs ductless mini split systems across Ottawa and nearby communities, including Kanata, Nepean, Orleans, Barrhaven, Stittsville, Gloucester, Riverside South, and surrounding neighbourhoods.

Get the right comfort solution for the room you actually use.

AirZone HVAC Services can help you decide whether a ductless mini split is the right fit, size the system properly, and install it with care. Breathe clean, live green, feel the comfort.