Answer: Using the EPA’s 20 BTU per sq ft rule of thumb, the room size of 12,000 BTU air conditioners is 600 sq ft. Equally, 1 ton AC room size is about 600 sq ft.

This is the heaviest portable AC on my list, which can make it a bit hard to move around. The weight does highlight the unit’s rugged construction, though. HomeLabs doesn’t lose to the other window models in energy efficiency. As an Energy Star-certified unit with a 12 EER rating, it won’t result in a big bump on your bills. Hello Matt, you’re completely right about dual-hose air portable air conditioners. Whenever possible, we do recommend them; we even have an article about the best dual-hose portable AC units here.This best rated 8,000 BTU portable air conditioner is designed to be mounted on double hung or sliding windows to function as a fan only, a dehumidifier and an air conditioner. It’s interesting that LG decided to specify the ‘Up to 200 sq ft’ coverage. This is playing it extremely safe; an 8,000 BTU LG LP0817WSR will use a grand total of 40 BTU per square foot; that’s quite a lot. According to the HVAC calculations, 8,000 BTU should be easy enough to cool down 300 sq ft areas, for example. It won’t inflate your electricity bills while doing so, either. Although it doesn’t reach the (ridiculously high) bar of the Midea U, the LG unit still has a great 12 EER rating and sports an Energy Star certificate. Put just a bit of thought into what you need from an air conditioner, and you'll avoid wasting cash on an unsuitable unit.

BTU in air conditioners is simple a metric of how much cooling effect that particular AC unit can produce.Zafro offers all the features its more expensive competitors do. You can change between AC, fan, and dry modes and three fan speeds, and there’s a sleep mode and a timer. Let’s say you want to figure out the AC wattage of a 2-ton unit with a 12 EER rating. Here is the wattage calculation: Storage & Home Clearance Furniture Clearance Garden & Outdoor Clearance Lighting Clearance Electrical Clearance Tools Clearance Paint & Decorating Clearance Flooring & Tiling Clearance Building & Hardware Clearance Bathrooms & Plumbing Clearance Kitchens Clearance