Learning Center » A/C & Heating » Why You Could (But Shouldn’t) Use A Garage Air ConditionerWhy You Could (But Shouldn’t) Use A Garage Air Conditioner 243 posts, read 681,307 times 8,921 posts, read 33,173,370 times We already covered that- You're looking at a 2" dia. hole, that's all. 3,606 posts, read 4,252,738 times 25,715 posts, read 36,262,004 times Can't you just install a wall air conditioning unit?? Installing an AC Unit in your garage: Step By Step Guide Moderated forums: Houston, San Antonio, Tallahassee, Macon, Duluth, Exercise and Fitness, Fish, Home Interior Design and Decorating. When in doubt read: ToS, Mod List, Rules & FAQ's, Guide, CD Home page, How to Search Originally Posted by ShakyJ OK- price out the window unit that will cool that amount of space- maybe consider a heat pump unit, just in case for those cool winter days. Then get three bids from masons that can cut you a hole 3" larger than what you would need for the unit, and install at least a 3X3 SS lintel and finish the exterior side with a sloped sill and repair/patch the stucco around the hole.

Compare those two prices with a mini-split (which is a heat pump). And that's if the HOA will even allow you to pop a hole for a window unit. 2,376 posts, read 4,177,108 times You can get a 18,000 BTU Mini Split A/C Unit for about $800, a 18,000 BTU window AC unit is going to run you around $600. And Mini-splits are a hell of lot more energy efficient than any windows unit. While you could pick up a 6,000 or 8,000 BTU windows unit for under $200, I'm doubtful such a small unit will be able to handle a garage, unless it's a small one car garage. And honestly an A/C unit in the wall is going to look like crap, you need to think of resale value, of the house. 3,303 posts, read 6,161,122 timesIf you start the installation in the morning, you’ll be enjoying cold air byA ceiling fan helps circulate the air and eliminate hot spots, but if the A/C unit keeps you cool enough, you can skip the fan. how to pick the right size unit for your garage and how to install it in the wall.

In a hot garage, the heat and humidity slow you down, make you grumpy and increase yourhow to clean ac unit outside garage solves those problems andhow to tell how many tons your ac unit is doesn’t cost a fortune. ac unit for greenhouseYou can buy a TTW (through-the-wall) unit for aboutWindow units cost a bit less, so consider going that route if you have a units are the same except for installation. A window unit comes with hardware and sealing gear for mounting it in a window, while a TTW unit requires a separate sleeve that fits into a wall opening that you frame into the wall. If you plan to use your garage A/C only occasionally, you don’t have to install

It’ll just take longer to lower the temperature to a comfortable level and the A/C compressor will run for longer periods, costing you more in electric bills. dramatically speed up the cool-down time and increase cooling effectiveness by hanging drywall on the ceiling. That reduces the size of the area to be cooled and helps the cool air circulate. Install a vapor barrier first, in case you decide to add attic insulation later on. But if you plan to frequently use the garage A/C, it’s well worth insulating and finishing the entire space. Then size the A/C unit Measure the area of your garage (length times width) to determine the total square footage, then consult theApply the adjusting factors at the bottom of the chart. shop around for the best price on the A/C unit and a matching through-the- wall sleeve (an additional $100 to the cost of a window unit). Pick a location and cut the opening

A/C units have weak circulating fans, so don’t locate one on the end wall of a locate it in the middle of the longest wall and aim the airflow toward theIf you’re installing a window unit and it’s located on the end wall of a rectangular garage, plan to install circulating fans to help move the cold air to the other end. Next, check the sleeve installation instructions for the rough openingSome manufacturers want a 1-in. clearance on the sides and top of thePlus, the distance from the ceilingDon’t place the opening directly below the top wall plate.That’ll result in rapid compressor cycling and inefficient cooling. the top of the sleeve opening about 24 in. down from the ceiling (or as shown in the sleeve installation instructions). Then remove drywall (if any) in that location to expose the studs. center stud to allow for the thickness of the new top and sill plates. task is reworking the siding.

most cases it’s best to remove as much siding as needed before cutting the opening in the sheathing and then to trim and re-side around the opening. Follow the manufacturer’s instructions to mount and secure the sleeve Run electrical cable to the location and install the receptacle. units require a dedicated receptacle on either a 15- or 20-amp circuit breaker (no extension cords allowed). sized from 9,000 to 12,000 Btu will typically run on a 20-amp, 120-volt circuit. But you’ll have to install a 220-volt circuit Other A/C options for your garage We didn’t cover portable A/C units in thisThey’re an option but not a veryPortable units use cold air from the room to cool the condensing coil and then exhaust that air to the outdoors. negative pressure this creates inside the garage draws in an equal amount of hot humid “make-up” air from outside. portable unit then has to cool that makeup