Oasis D-165-HG GST Commercial Grade Dehumidifier

• Dehumidifier maximizes moisture extraction; provides continuous moisture removal of up to 40 pints per 24 hours
• Includes an adjustable, dial-controlled humidistat that turns unit on and off at pre-selected moisture levels
• Impact and stain resistant, polystyrene grille for free flow of air
• Frost-free system prevents frost build-up in low temperatures
• Attractive mark-resistant cabinet

The product has been running smoothly for 2 months now. Arrival was on time, the packaging was very protective, set up is very easy and noise levels are moderate. Hooking a hose to the back for coninuous draining is very easy as the hole is high enough to allow gravity to work well. I''m using the unit for a 900 square foot basement and the air remains dry.

But with such units, real quality cannot be discerned for four to five years. That is when low quality unit issues emerge, such as coolant leakage or other compressor failures. So while I rate this unit very high, I can''t say that with certainty over the long run

The unit is made in Poland. The country is encouraging high quality manufacturing at lower than German costs, but better than Chinese made products. I''m tired of Chinese stuff failing so I am hoping this was a good gamble. Check back in another two years

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I ordered the Oasis D-165HG after two Chinese manufactured dehumidifiers died, each after only two years of operation. Both were made by LG (one Kenmore and one GE) and suffered refrigerant/oil loss.

The D-165HG is a bit pricey and not terribly efficient but if it lasts a long time it''ll be worth the expense. It''s old technology using a Tecumseh piston compressor made in Brazil and a sealed Morill fan motor made in Tennessee. I know both of these major parts to be of high quality. The remaining materials and workmanship appear to be good.

Packaging for shipping wasn''t so great. It was covered by a cardboard box and strapped to a tiny skid. When it arrived the bucket full light was pushed out of the front panel. I pushed it back in. When powered up it worked perfectly with one exception, a rattle when the hot gas defrost cycle kicked on. I found there are two rows of expansion coils and the rear most row was pushed in, so it tapped against the front row when the solenoid opened. I gently pulled them apart and no more knocking.

It''s a very quiet unit and it pulled the cool basement humidity down as quickly as the two 65 pints/24 hours rated LG models, although it''s rated at 30 pints/24 hours. Under what conditions do they rate these things? Frankly, I find the LG units ratings hard to believe.

The warranty is one year, customer pays labor and transportation. There is a five year warranty on the sealed refrigeration system, customer pays labor and transportation. So the warranty isn''t very good but I expect this unit to last a very long time given past experience with similar designs if being made in Poland means quality workmanshipwe shall see.

Added 8/20/2012

After some reflection I believe the reason the bucket full indicator was pushed out and the evaporator coils had shifted is due to the tiny skid raising the center of gravity of the package, making it prone to toppling and increasing any resulting damage. I also noticed a series of dings in the condenser coil fins that line up with the bottom ends of the innermost section of the evaporator coil. I believe that during shipment the package tipped over onto the face side of the dehumidifier.

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I ordered one of these dehumidifiers and it did not work. Because of my long search for a good dehumidifier I ended up learning about them. So I decided to troubleshoot it a little. I found out that the coils were not cold behind the filter on the top back of the unit. I opened the front cover (three Phillips screws underneath) and found that when I turned the unit on the compressor did not turn on. Fan and Compressor make very different noises, so If you can only hear air blowing, the compressor is not on. I saw in the bottom back left corner that one of the wires was off of its receptacle. I unplugged the the power and plugged in the loose wire. Then plugged the power cord into the wall and fired it up and the compressor coils instantly chilled.

So far after that issue it has been working nicely. This was almost a 1 star review. While I was poking around the insides I could see the nice workmanship and good quality materials. No Plastic parts internally. Hopefully it will last a long time, my last dehumidifier broke in a year. This is why I figured I should spend more to get a well made unit, because $200 every year gets more expensive if I live longer than 3 years. Which I plan to do. Will revise in the future if anything changes.

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The dehumidifier works well so far. We have a cold basement (around 62 degrees) that off-the-shelf residential models just couldn''t handle without freezing up. This model hasn''t had any issues with the cold. Front wheels lock so the unit doesn''t walk away. The only issue I see is the front plastic panel rattles. It could use some rubber between the housing and the panel. The water tank is a bit small but a hose can be used to drain directly to a drain.

Have this in my cellar going on four months now. Nice simple design. I use the hose attachment for continuous drain. It has kept the cellar nice and dry (100yr old limestone foundation). I am banking on it lasting for years.