Whynter Portable Air Conditioner with Dehumidifier and Fan for Rooms Up to 500 Square Feet, Includes Activated Carbon Filter & Storage Bag, Platinum/Black

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Unlike the Whynter units, which have a separate intake and exhaust hose, Midea has wrapped both into a single enclosure. That makes the window panel very heavy and difficult to install — not to mention this is the heaviest unit I’ve reviewed. Performance is dependent on ambient temperatures: Since the heater only extracts heat from outdoor air, the amount of heat it can add to rooms heavily depends on outdoor temperatures. There’s one big warning I must give, though. The owner’s manual states that this air conditioner uses 9 amps of power, but I noticed that it can draw up to 13 amps if outdoor temperatures rise above 90 degrees Fahrenheit. Whynter ARC-14SH 14,000 BTU Dual Hose Portable AC + Heat Pump – Best Overall Portable Air Conditioner

In a central air conditioning system the hot side of the system is outdoors – the condenser is outside the house. Negligible fire and burn risks: Fire pits and furnaces, in particular, are a considerable risk. Extreme caution is required to prevent people from getting burned or something from catching fire. Portable ac and heater pose negligible burn/fire risk. All of these sources are likely to contain air that’s much warmer than the cooled air inside the cooled room. If the filter is ineffective, there’s a risk of dust particles and microorganisms entering your home aboard the warm air, potentially triggering allergic reactions and airborne diseases. Factors to Consider when Buying a Heat Pump More efficient cooling also means more balanced temperatures and better air quality. The two-hose design prevents warm and cool air from mixing, which helps avoid hot spots or overly cold areas in your room. With dual-hose units, you can enjoy an even cooler temperature at all times. Lower Energy CostsThey are typically measured in BTU or British thermal units, and due to the inefficiency of a single hose system, you are better off sizing up if possible.

If you start looking for the heater function after reading the user manual, as I did, don't bother — there's no heater. As far as I know, Honeywell doesn't make dual-hose models with heating, so I'm not sure why that's in the manual. The BPACT12HWT’s top features include; precision programming, electronic controls, an LCD digital display, Sleep Mode, and a 24-hour timer.Evaporative [Swamp Coolers] – These are the cheap options you find. They are basically a fan that blows air over cold water. They are not very effective and will significantly raise the room humidity, which itself can be unpleasant. In terms of power, this AC unit matches the Whynter ARC-122DS with a 12,000 BTU rating and 400-square-foot coverage area. If you need a dual-hose air conditioner for a big bedroom, Dreo is a great candidate.