Walmart offers Tall Mocha Mainstays Patio Heater for $69 (orig. $129) with free shipping.

Product Description:

When the cool evenings come, don’t stop your outdoor activity. This beautiful matte bronze outdoor propane heater is all that you need to keep entertaining outdoors year round. This tall outdoor heater emits 41,000 BTUs of warmth in a 10-15’ diameter. Steel construction ensures that this unit is durable as well as functional. Wheels included for easy mobility. This patio heater includes thermocouple and anti-tilt safety devices.
Mainstays 7' Portable Mocha Propane Patio Space Heater

• Heats up to 100 sq. ft. 
• Requires 1 propane tank (not included) 
• Measures 30" x 30" x 85" H
• Weighs 36 lbs. 
• Crafted in sturdy steel with a stylish mocha finish
• Easy to assemble with the included instructions
• Color: brown
• Provides up to 48,000 BTUs of warmth
• Designed with 2 base wheels to allow the heater to be moved easily
• Includes safety strap for securing the heater in place
• Creates an attractive area for family friends, neighbors and more to gather on patios, decks, porches, and other areas
• 1 year limited warranty
• Site to Store Pickup Note: This item is packaged in multiple large boxes that may not fit in a standard-sized vehicle. Please make sure you have a large car or truck for store pickup. 
• Shipping dimensions: 18" x 18" x 30"
• Shipping weight: 40 lbs.