Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Bought a second heater and had the same issue.

We purchased one of these same units and it only lasted a year of light use. Thinking that I could buy the same heater and have spare parts if it failed I purchased a new heater. It also lasted just over a year of light use in southern California. I called customer service and was notified that my heater was out of warranty. I was offered a 40% discount on a new unit. If you like throwing your money away go ahead and buy one of these...