How Much Does It Cost to Install an AC Sleeve and Through the Wall AC

For some homes, a central air conditioning system simply doesn't fit the bill. Most of us are familiar with window and mini-split ACs, but a through-the-wall air conditioner may also be worth considering if you need single-room cooling. These units are less common than their window-mounted cousins but could be a great alternative for certain households.

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What Is a Through-the-Wall Air Conditioner?

A through-the-wall air conditioner is similar to a window air conditioner. However, instead of installing the unit in a window, through-the-wall AC units are installed in a wall, venting directly through the exterior wall. Many through-the-wall air conditioning systems are actually heat pumps, keeping your home cool in warm weather and providing heating in winter.

These models could be worth considering if you're unhappy with your existing window AC or if a mini-split system is unsuitable for your home. When installed correctly, through-the-wall air conditioners minimize energy loss, making them more efficient than standard window units. They also provide a sleeker finish and won't obstruct your view through the window.

However, through-the-wall ACs have a few downsides. They're generally more costly and disruptive to install because you have to modify a wall to accommodate the unit. If you don't have a suitable wall, a ductless mini-split system or a traditional window air conditioner may be a better option.

What Is an AC Sleeve?

You need to install an AC sleeve before fitting a through-the-wall AC. An air conditioner sleeve, also known as a wall sleeve, is a metal enclosure that protects and supports your AC and provides ventilation through an exterior wall. It also prevents moisture from accumulating inside your wall cavity and keeps rain, wind and pests out of your home.

An AC sleeve can also help with one of the most common window air conditioner issues: excessive noise. A properly fitted wall sleeve holds your air conditioner firmly in place, dampening vibrations and minimizing the annoying rattling often experienced with a window air conditioner.

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How Much Does an AC Sleeve and a Through-the-Wall Air Conditioner Cost?

According to The Furnace Outlet, AC sleeve and through-the-wall AC installation costs between $1,900 and $4,150 (CAD 2,621 and CAD 5,725), on average. These figures include the cost of an AC heat pump, a wall sleeve and installation labor. How much a through-the-wall AC costs depends on several factors, including the size of the unit and the surrounding wall material.

Through-the-Wall AC Cost

Most homeowners pay between $900 and $1,500 (CAD 1,242 and CAD 2,069) for the AC unit itself, excluding the cost of installation labor. A basic unit designed to cool smaller rooms could cost less, while a larger premium model could cost significantly more.

Wall Sleeve Cost

On average, AC sleeves retail for around $120 to $250 (CAD 166 to CAD 345). These prices are for materials only and don't include wall modifications or labor.

Wall Modification

Modifying a wall to accommodate a through-the-wall AC involves cutting a hole in the existing structure and framing the gap to improve stability. Your installer will likely weatherproof the hole and may install additional supports if the wall is load-bearing. You should expect to spend between $300 and $800 (CAD 414 and CAD 1,104) for wall modification services.

Electrical Fees

The cost to modify your electrical system for a through-the-wall air conditioner depends on your location and existing setup. Some local ordinances require homeowners to install a dedicated circuit for a through-the-wall AC, which could increase the cost of your project. You may also need an extra outlet, depending on the location of your new AC.

Overall, most electricians charge $150 to $400 (CAD 207 to CAD 552) for the electrical work necessary for through-the-wall AC installation. If local regulations require you to obtain a permit, you should budget an additional $50 to $200 (CAD 69 to CAD 276) for permit fees.

Wall AC Installation Price

Typical fees charged by HVAC technicians to install a through-the-wall AC range from $400 to $1,000 (CAD 552 to CAD 1,380). Expect to pay toward the lower end of the scale for a straightforward installation in an affordable area. Meanwhile, HVAC professionals typically charge more in expensive cities because operating a business there is more costly. Installing an AC in an inaccessible location or on a challenging wall material, such as solid stone, could also increase costs.