Amazon has Frigidaire 14,000 BTU 230V Through-the-Wall Air Conditioner w/ Remote (FHTC142WA2) on sale for $589.99. Shipping is free.
Home Depot also has Frigidaire 14,000 BTU 230V Through-the-Wall Air Conditioner w/ Remote (FHTC142WA2) on sale for $589.99 (price in cart). Shipping is free.
Thanks to Deal Hunter phoinix for sharing this deal.
Details:
3 fan speeds
Built-in air ionizer to reduce airborne particles
Washable dust filter
Eco mode for energy efficiency
Remote control included
Programmable 24-hour timer in 30-minute increments
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Amazon has Frigidaire 14,000 BTU 230V Through-the-Wall Air Conditioner w/ Remote (FHTC142WA2) on sale for $589.99. Shipping is free.
Home Depot also has Frigidaire 14,000 BTU 230V Through-the-Wall Air Conditioner w/ Remote (FHTC142WA2) on sale for $589.99 (price in cart). Shipping is free.
Thanks to Deal Hunter phoinix for sharing this deal.
Details:
3 fan speeds
Built-in air ionizer to reduce airborne particles
Washable dust filter
Eco mode for energy efficiency
Remote control included
Programmable 24-hour timer in 30-minute increments
I see these often for campers/RVs/mobile home parks. They can't do mini splits, dont have standard windows for windows units, or their overhead units died/too expensive.
Maybe you didn't catch that this is a wall unit, not a window unit. Much easier to put a 2.5" hole in a wall for a minisplit than sticking this whole thing through. The window units are necessary sometimes, yes.
really it comes down to cost considerations and installation feasbility:
1) when you already have a wall sleeve from a previous installation, so it's more cost effective to replace the old broken one with a new one like this. we have a rental property where the previous owner many years ago, cut through the brick and installed a wall sleeve for an A/C. when that A/C broke, we removed it and installed a Friedrich through-the-wall A/C into the existing wall sleeve, and done. total cost was $450 at the time, vs thousands for a mini split install
2) you are unable to put in a minisplit due to installation constraints (ie hotel rooms or condo units that have balconies or other structures that prevent running linesets and there isn't room for the condenser unit to sit on the outside). also HOAs which didn't allow window A/Cs many years ago but allowed homeowners many years ago to install through the wall A/Cs, have CC&R's which reflect only the replacement of existing wall sleeve A/Cs and not the installation of mini split units (to maintain exterior conformity)
This Frigidaire through the wall air conditioner is best suited for places where a mini split is not practical, especially apartments, rentals, condos, RVs, and other spaces with existing wall sleeves. The price is described as strong for what it is, and the unit can be a straightforward replacement when the wall opening and electrical setup already match. Through the wall designs are also seen as more efficient than window units because they seal better and move air through the rear. The main drawbacks are the heavy, expensive nature of these units and the need to confirm the 230 volt cord and outlet fit before installing.
Renters in apartments or condos with existing wall sleeves, because through-the-wall installation fits spaces where mini-splits or window units are impractical.
RV and mobile-home owners without standard windows, because these units fit places where mini-splits cannot be installed and window units are unavailable.
It makes sense when a mini-split is not feasible, such as in apartments, condos, rentals, HOAs, high-rise units, RVs, or places without a good outdoor condenser location. It is also a practical replacement when an existing wall sleeve is already installed, since that can avoid the much higher cost and complexity of a mini-split install.
It is a through-the-wall wall unit, not a window unit. That matters because it is meant for a wall sleeve or wall opening, and replacing an existing wall AC is much simpler than trying to adapt a window model.
Yes, the unit's cord end has to match the outlet you already have, especially when replacing an existing through-the-wall AC. It is also important to confirm whether your setup needs 240V or 120V before buying.
They can be more efficient because the sides are sealed and the unit is designed to draw air through the rear instead of leaking conditioned air around the sides. Installing a window AC in a wall sleeve can reduce airflow over the condenser, which lowers efficiency and can eventually damage the compressor.
People who use these already have through the wall air conditioners installed. You are correct that for a brand new installation mini splits are superior though have a more intricate installation. You're not going to be able to install a mini split easily if you're on the 12th floor of an apartment building for example.
Exactly. I own a twin single with through the wall air conditioners in front of the houses. No place to put the outdoor condenser unit of mini splits except on the driveways or front porches.
Further for those intending to replace a unit, you need to pay attention to what kind of cord end this unit has and the outlet you already have.
These are great if you're renting and that's what your apartment/condo or town house has. My dad's condo had a wall fitting for one of these. And when I lived in base housing in Rhode Island, that's what they had. One upstairs and one down in the living room.
Just make sure if you need a 240V or 120v unit
If it fits your use case, not too bad of a deal.
Edit. I had one still in storage after moving home and buying an older house. One of the central air units went out on the non bedroom side of the house so instead of replacing that old unit, I just framed an opening in the wall, installed a sleeve and slid this in. An updated breaker and 30' feet a wire later, I have a wifi controlled AC, with backup heat, that is way more efficient that the older center air system. Works great for open spaces like my use case.
Last edited by DavidF1980 July 12, 2026 at 11:56 AM.
Isnt that very energy inefficient because window units suck outside air through side slits and push through back to cool the radiator. Putting window AC into wall will suck instead house air through the wall then push that outside.
These in-Wall AC you can see has sealed sides to prevent the energy loss. it cools radiator though the back only. made differently.
yep. through the wall A/Cs suck in outside air into the unit from the rear (usually from the edge of the back) to blow over the condenser coils. it's why in the installation instructions you are supposed to install a vertical divider if the wall sleeve is longer than the A/C you are installing so the fan doesn't suck in air that was pushed off the hot condenser coils and back over the coils again. the outside sleeve louvered cover (rear) will have the vertical louvers angled in different directions to account for this...so the air off the condenser coils will blow to, say, the left, and the air gets sucked in from the right. just due to the space constraints though, the air still gets mixed which lowers efficiency naturally. it is what it is. but yeah, they do account for this
putting a window AC in a wall sleeve prevents adequate air flow over the condenser, meaning the heat can't dissipate. efficiency drops and it can even result in compressor failure with time
Top Comments
1) when you already have a wall sleeve from a previous installation, so it's more cost effective to replace the old broken one with a new one like this. we have a rental property where the previous owner many years ago, cut through the brick and installed a wall sleeve for an A/C. when that A/C broke, we removed it and installed a Friedrich through-the-wall A/C into the existing wall sleeve, and done. total cost was $450 at the time, vs thousands for a mini split install
2) you are unable to put in a minisplit due to installation constraints (ie hotel rooms or condo units that have balconies or other structures that prevent running linesets and there isn't room for the condenser unit to sit on the outside). also HOAs which didn't allow window A/Cs many years ago but allowed homeowners many years ago to install through the wall A/Cs, have CC&R's which reflect only the replacement of existing wall sleeve A/Cs and not the installation of mini split units (to maintain exterior conformity)
other than that, mini splits are the way to go
Community Reviews
This Frigidaire through the wall air conditioner is best suited for places where a mini split is not practical, especially apartments, rentals, condos, RVs, and other spaces with existing wall sleeves. The price is described as strong for what it is, and the unit can be a straightforward replacement when the wall opening and electrical setup already match. Through the wall designs are also seen as more efficient than window units because they seal better and move air through the rear. The main drawbacks are the heavy, expensive nature of these units and the need to confirm the 230 volt cord and outlet fit before installing.
This through-the-wall air conditioner can be a practical replacement when a wall sleeve already exists.
This unit can fit apartment or condo setups where mini-splits are blocked by HOA rules or exterior constraints.
This design uses sealed sides and draws indoor air through the wall rather than pulling outside air through side slits.
This unit may work well for open-space layouts when installation includes proper wiring and a correctly sized sleeve.
Mini-split alternatives can be difficult to install on higher floors, but through-the-wall units still require suitable wall access.
This type of unit can be heavy, which makes upgrades or disposal harder after switching to heat pumps.
Replacing an existing through-the-wall unit may require checking cord and outlet compatibility before installation.
Efficiency can drop if the sleeve and airflow setup are not correct, and poor airflow can contribute to compressor failure over time.
Common Questions (4)
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Further for those intending to replace a unit, you need to pay attention to what kind of cord end this unit has and the outlet you already have.
Just make sure if you need a 240V or 120v unit
If it fits your use case, not too bad of a deal.
Edit. I had one still in storage after moving home and buying an older house. One of the central air units went out on the non bedroom side of the house so instead of replacing that old unit, I just framed an opening in the wall, installed a sleeve and slid this in. An updated breaker and 30' feet a wire later, I have a wifi controlled AC, with backup heat, that is way more efficient that the older center air system. Works great for open spaces like my use case.
These in-Wall AC you can see has sealed sides to prevent the energy loss. it cools radiator though the back only. made differently.
putting a window AC in a wall sleeve prevents adequate air flow over the condenser, meaning the heat can't dissipate. efficiency drops and it can even result in compressor failure with time
Join The Conversation
Share your experience with the Slickdeals community
Share information with the community. Please follow our Community Guidelines and be kind!