Instruction: Analyze a question and its supporting document. Predicting answerability based on the information provided in the document. Output yes if the document contains relevant information to answer the question, otherwise output no.

Input:
Question: does it have a fan
Document: Unit came in with concealed damage to the right side panel. Not readily visible in my woodshop location so I installed it as I wanted heat. Furnace does a great job and runs quietly.
Trying to heat wall tent 12 by 14 has fly  does not seem to work very well boys had to sleep with hats no noticable change in heat thought was 3 to 9000 btu 40 dollar small bottle lpcatlitc worked better &#34;had to be turned down to lowest setting&#34; very poor infoelevation 2900 ft after paying for installs $2000 each wound not waste money on them might heat a well insulated small bathroom
Think that would be easy, remember your entering the secret world of plumbers who just like heating/air people, don't want ordinary folks figuring out how simple their profession really is. After spending a  day visiting Home Depot, Lowes, The Tractor Store, I finally happened into a True Value store who had all their brass plumbing fittings in easy to open bags.
Thermostat is a definite plus. Looks nice and is quiet. Has timers to set different temps for day and night, so saves money. Very cozy warmth.
The hose runs from the backside of furnace, through the wall, to the tank outside. I might go with a bigger tank later, but its hard to beat the convenience 20lbs propane tank exchange.
The display on the unit is also easy to see and programmed. I would have given a 4 or even a 4.5 but the unit is large. I had to return one of them because it was dented on the front side and was force to keep one that was dented (there was no replacement available and I was on a strict timeline). The price for each unit is expensive and add the installation cost and I'm not sure if it is worth the overall cost.
I purchased 2 units to add to my room additions. They work great and heat up the bedrooms (13 x 14) each extremely well. I live near the mountains and prior to turning it on the temperature read 50 degrees and in less than 10 minutes it had increase to 70. The installation was done by a plumber I found on Craigslist. If you call a regular plumber company they will charge you an arm and a leg for the hook up, which doesn't appear hard per the detail instructions provided.
First thing I noticed was the unit was larger than I had envisioned. The width seemed more than the proportional width of the photos. The instructions were for both the model 8 and the 11 so the unit must be the same outside. The 38 model must be huge!The first sentence of the very sparse instructions say, "Must be installed by a professional!"
Any consumer calls and all Rinnai has to do is say, "it's only to be installed by professionals". Don't let me discourage you too much though, because the installation can be done. You will just be confused and frustrated, but if you keep making headway on everything you understand, it will come together. If you want steps in your instructions, like 1 do this, 2 do that, 3 etc., forget this product.
Answer: no