“Will this unit work for a 150 square foot office in Tucson with 3 exterior walls and west facing windows.”
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Yes
Sorry, there was a problem. Please try again later.The location of where the ENERGY STAR® Qualified LG 330 Sq. Ft. 8,000 BTU 115V Through-the-Wall Air Conditioner, Model # LT0816CER and which direction the walls in your office and windows face are not factors in determining if that is a suitable location to install the air conditioner unless you are mentioning that with regards to direct sunlight on the air conditioner. As indicated in the title description, 8,000BTU will adequately cover an area of 300 square feet. For an area of 150 square feet, you need an air conditioner with a BTU rating of 5,000 BTU. The BTU rating of 8,000 for this unit is too large for your office and is what is considered as being oversized for your office. An oversized air conditioner in your office is a bad idea. When an air conditioner runs, it does two jobs. It lowers the temperature of the air, and it removes moisture from the air. To do the second one, the AC has to run for a while. Water vapor condenses on coils in oversized air conditioners, too, but you have to get enough condensation on the coil for the water to start dripping down into the pan below the coil. Even then, you're not there yet. You still have to get enough water in the pan for it drain to the outside. Until the water that condenses actually makes it to the outside, you haven't really dehumidified the air because that water on the coil can evaporate and get back into the air in the home. If you make the mistake of leaving your thermostat in the Fan-On position instead of Auto, the water on the coil gets back into the air even quicker. Oversized air conditioners don't run for a long time because they satisfy the cooling load quickly and then shut off. Properly sized air conditioners run longer, so if you want your air conditioner to dehumidify your home as well as cool it do not use an oversized air conditioner. If you live in the desert, that will not matter since there's no water vapor to condense on the coil, and if there were, your dew point is probably close to absolute zero. However, what will matter though is that an oversized air conditioner will constantly start up and shut down more frequently than a properly sized air conditioner because it runs for only a short time to meet the thermostat setpoint. Then a few minutes later, it comes on again and runs for a short time. Over the course of a day, an oversized air conditioner can have a lot more start-ups and shut-downs than a properly sized air conditioner causing more wear and tear on it. That means you'll probably be repairing it more often and replacing it sooner. All those start ups and shut downs will also result in an increased electric bill because starting up the compressor in the air conditioner requires more power than when the air conditioner is running. If your mention of running the AC in Tucson is about the temperature, if you have an air conditioner set temperature that has a differential of more than twenty degrees between the outside air and inside air while still keeping around a 55% humidity level which is comfortable, you'll likely be running the AC all day long and still not quite reach your desired temperatures. This becomes a waste of money on your end by overusing a system that was not designed to accommodate what you are trying to do. An air conditioning system is designed to accommodate up to a 20 degree difference between the outside air and inside air while still keeping around a 55% humidity level which is comfortable. This means that it is 80 outside your AC can easily reach 70 degrees, since that is only a 10 degree temperature difference. So even if it is 90 degrees out your air conditioner should still easily reach the 70 degree mark. However, if it is 100 degrees outside, it will be nearly impossible to reach 70 degrees inside without the air conditioner working completely overtime and causing problems such as excess humidity...^IFV
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