Having used several different forced air propane heaters, I can definitely say this is the most handy one yet. 

This unit, affectionately known as HERO, is lightweight, quiet, and powerful.
Mr. Heater does it again.
  • Cordless for take-anywhere convenience
  • Built-in rechargeable battery recharges in 5 1/2 hours and can be used while charging
  • Runs up to 8 hours per charge
  • Quiet Burner technology makes it 50% quieter than standard forced air heaters
  • Sturdy handle for easy transporting
  • Minimum tank size: 20 lbs.
Key Performance Measurements
A quick breakdown of the most important features makes it pretty apparent that HERO is jam-packed with everything you could want from this type of heater:
35,000 BTU
Heats up to 800 square feet
One touch gas valve/igniter
One touch fan
QBT (Quiet Burner Technology)
This video gives a nice, in depth demonstration of this latest addition to Mr. Heater's line of forced air units.
8 hour battery life
Lightweight at 12 lbs.
Durable composite and steel
Ergonomically designed
Great for dozens of applications
This little puppy pumps out a whopping 35,000 BTUs of heat!
Toasty.
It's cordless, and recharges in 5 1/2 hours time. It can run for up to 12 hours on a 20 lb. propane cylinder.
Much quieter than any forced air unit I've owned.
Powerful
Portable
Quiet
Copyright 2011 Vapor Man Reviews LLC
Reviewing everything that's anything.
This Review: Mr. Heater's new portable forced air propane heater known as HERO
The world's first fully portable forced air heater.
Vapor Man's Final Grade:
A
Most affordable
Price Found: