Instruction: Given a question and the related document, predict if the question is answerable based on the information provided in the document. Output only yes or no.

Input:
Question: how long is warrantee
Document: This product is awesome. If it lasts as long as it says it will I will be happy. I bought another for my son.
We are housing 2 feral cats in an unheated garage and bought this heater to help warm the space. IT IS EXCELLENT! We have run the heater continuously for 2 1/2 months. Our electric bill went up only about $10 and the temperature inside the garage went up considerably. It is 16 degrees outside right now but the garage is at 40 degrees. The garage is about 20 x 30 feet and has 2 uninsulated doors and 3 single-pane 8-over-8 windows.
This heater is great! It came quickly, didn't require assembly and heated up the room in minutes. It's automatic, turns itself on and off, and save energy. What else can one ask for?
The noise from the fan isn't even that loud. I can have the unit on next to the couch while I watch TV and it is a non-factor.Also, it is important to note I do not run the unit 24/7 nor do I rely on the on-board temperature gauge to regulate the heat in the room.
The finished room does not exhibit even the tiniest draft.Based on the write-ups and reviews I decided the Sunheat SH-1500P would be a good choice and liked that it was UL listed. I just tried it and I'm a little disappointed.
The Sunheat has a manual switch, which is exactly what I needed.The rest of my house is on oil heat. I priced out adding a heating zone with forced hot water baseboards through my oil furnace in the basement, and installation alone was $1500-$1700, plus the cost of the oil heat. For around $275 I can accomplish the same with the Sunheat and outlet thermostat.
My seller is great--I purchased the unit for, literally, $100 less than the national-hardware store I'd mapped-out for my purchase. Thus, this unit is a winner all around!
Last year, I could no longer afford heating oil, so I attempted to heat my half on my duplex with two oil-filled radiators. My bedroom was barely warm; for the remaining rooms, I suffered. While at my computer, I could hardly feel my fingertips--and it was a mild winter! I got my SUNHEATER yesterday. The directions stated to set the thermostat full-on. Within seconds, I nearly baked! Plus, it barely takes up any space and is fairly quiet.
It is very easy to you and is able to heat a larger room.It runs relatively quiet. Just set the temperature following the instructions and you don't have to do much else.The wooden case looks better than most other heaters which are made out of cheap plastic or stamped metal.
It is otherwise very well made and the people I spoke with at Sunheat seemed nice.
Answer: no