I have 5 of the older model HD 283 shop fans and I highly recommend them. Bought them while in South TX and ran them almost 24/7 in the house to bring down the price of cooling the house. They work great. I have 3 running in the house in Okla. and I am holding 2 in reserve. These are the original 5 and they have been running 4 to 6 years without a hiccup. Great fans at a reasonable price for the quality.