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I am not sure what to make of Consumer Reports rating the portable units much lower than the window units.
...I wonder what our tenants are doing with the condensation...
Looking for advice on portable vs. window units and brand recommendations. I am not sure what to make of Consumer Reports rating the portable units much lower than the window units.
Cold air hitting warm air equals condensation which is why most of these units have a water reservoir.The unit that is described above sounds more like an evaporative cooler or possibly the scenario of running in a very dry climate.I live the in the southeast so humidity is always an issue.Comfort cooling w/ mechanical refrigeration will always remove your latent capacity 1st (dehumidify) and then will continue to run to meet your sensible capacity (temperature set point on your stat).Portable units have to use a hose to reject the heat of dissipation. You are removing heat from the space and it must be dumped somewhere.In the window unit example, the condenser coil is located on the backside (exposed side) of the unit and runs a fan across it to get rid of your heat (condensing the refrigerant from a gas back into a liquid).Not sure of your budget, but a ductless unit is your best best for comfort and energy efficiency. The compressor modulates to match your load and the indoor fan can vary as well.Good luck w/ your decision!
How does a ductless work?
How does a ductless work? Interesting thread. My mother has a window unit that her neighbor and I install and remove seasonally. A necessity in N.E. Ohio. Don't even get me started on the humidity.
It's called a ductless mini-split and it can heat as well as cool. It is a heat pump with the compressor outdoors and the fan and brains located in your house. These can be very efficient, achieving up to 35 SEER in some smaller models. Mine is a 2 ton (24,000 BTU, 19 SEER) unit that cools only. I have baseboard hot water heat. Another feature with the mini-split is the ability to individually heat/cool up to 8 rooms from a single compressor. Up front cost is multiples of what you would spend to buy a window unit but much of that will come back to you in savings, reliability and comfort. Install is for pros only. Units are very quiet compared to window units. I have no experience with portables. In mini-splits Mitsubishi, Fujitsu and Daikin are the most respected brands. Good luck. The key is the installer. You want someone who can accurately determine the size you need and where to put it. This option will probably require a licensed electrician for a 220 line.
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