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I've been using evaporative coolers for years, mostly with military applications, and I am very familiar with the older portacools. They can easily last over twenty years. The Jetstream 240 is a small, but very efficient unit that works well. The fan can be incredibly powerful but the 240 will still cool if you slow it down quite a bit to save your ears. I use it with my 1000 sq ft garage and it works fine for this application. The build quality is fantastic, I'm very impressed. It would seem the newer models have worked out some of the problems with the older ones. Also, as with most things, get the biggest one you can store and afford. It never hurts to go bigger, but I'm pretty good with the 240.
Verified purchase: No
I purchased the product and it does an excellent job of cooling. No major issues to speak of. I didn't have any leaks and the pump works great. It will drop the temperature 24 degrees from the air inlet to what come out the front! I measured this with one of our high quality thermostat's. The unit comes equipped with a durable variable speed fan motor. This was the main reason I purchased it instead of the more common single speed Cyclone Series. This one hold plenty of water. So fill up once in the morning and you are good for 12 hours. It is easy to move around the shop and really makes a huge positive difference our in comfort level here in the southwest. On the negative side, the one issue I have is the 240 is very loud when on high. It is not the fan that make this noise. It a droning noise you would get like when you blow across the top of a bottle. On low it's not so bad, but on full speed you won't be having any kind of normal conversations in front of it. This is the reason I will give it 4 stars instead of 5. Other than that it is a well built excellent unit and does a great job of cooling. Don't be afraid to invest in one of these. Read full review
Verified purchase: No
It was loud and blows a bit to fast so I exchanged the 240 for the Jet 250. The 250's cooling is so much better and the unit is more energy efficient and it's a lot quieter. I recommend the the jet 250 or bigger...
Verified purchase: Yes | Condition: New
Started leaking. Pump problems. Just had it a few weeks and I’m tied of working on it. Do not purchase.
Verified purchase: Yes | Condition: New