
Friedrich
The Friedrich WallMaster WHVT14B33A is a 15,200 BTU through-the-wall inverter heat pump on low-GWP R-32, with built-in WiFi and a 10,900 BTU heat-pump heating mode plus electric backup. It fits standard 27 inch wall sleeves.
$1,699
List priceTotal Home Supply, June 2026. Slides into a standard 27 inch through-the-wall sleeve (fits Fedders A/B sleeves).
No live retailer for this exact model right now.
Last listed at Sylvane for $1,699 on Jul 30, 2026. We have not been able to confirm it since.
The closest through-the-wall unit you can buy today:
TCL 14,000 BTU Through-the-Wall Air Conditioner - Cool/HeatCovers up to 700 sq ft In stock$679.99View Or look for this exact model on Amazon:
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Will it cool your room?
This unit's cooling matches a 700 sq ft room. Set your room size to check the fit for your space.
Estimated from ENERGY STAR's published annual energy use at about 750 hours of cooling a year (the DOE test standard) and the US average electricity price of 18.44¢/kWh (U.S. Energy Information Administration, Electric Power Monthly Table 5.6.A (residential average, May 2026)). A standardized figure for comparison; your real cost depends on how much you run it, your local rate and your climate.
Local rates vary widely (about 15¢/kWh in Florida to 33¢ in California), and hotter regions run their AC more hours, so your real cost differs.
At a glance
Best for apartments and condos with an existing wall sleeve that need cooling and heating.
Made for existing 27-inch sleeves, including Fedders A sleeves and, with Friedrich's baffle kit, the deeper Fedders B; it mounts flush with the outside wall. A new installation needs Friedrich's WSE or WSEZ sleeve (27 x 16¾ x 16¾ in.), sold separately. Source: Friedrich WallMaster product page
Every through-the-wall AC and PTAC by the sleeve it fitsThis is a through-the-wall air conditioner. It sits in a sleeve built into an exterior wall, so the window-unit mounting and bracket rules do not apply to it. Swapping it into an existing sleeve is a like-for-like replacement; cutting a new opening changes the building's exterior wall, which usually needs a building permit and, in a condo, co-op or historic building, approval first.
Slides into a wall sleeve
R-32
Both lines at every size both sell in stock, with live prices, ratings, recalls and what each maker says about its line.
The questions buyers ask, answered from live prices and real specs. See where a through-the-wall unit like this fits.

Friedrich
A through-the-wall air conditioner rated at 15,200 BTU for rooms up to 600 sq ft. It heats in winter too and installs in a wall sleeve.
$1,699
Slides into a wall sleeve
~$155/yr to run(est.)

Friedrich
A through-the-wall air conditioner rated at 15,400 BTU for rooms up to 700 sq ft. It installs in a wall sleeve.
$1,489
Slides into a wall sleeve
~$185/yr to run(est.)