Best purchase ever! My furnace went out in the middle of freezing temps and after several visits from the HVAC company that installed a new furnace one year prior, and weren't able to "find out what was wrong", I decided to order this unit for my bedroom. And it was a life saver, good heat, zero noise and a blessing. It arrived 2 days after I ordered it. Thank you so much!!! It's a great heating unit, I plan to buy one more just in case.