Cabela's Quiet Blind Heater/Cooker by Mr. Heater

From the duck blind to the garage, these handy heaters can be used anywhere you need a boost of warmth to enjoy yourself or to just get the job done. They run on propane from a bulk tank, and all have electric spark ignition (except triple) and three-position (Hi-Med-Low) regulator. Available: Single Burner, Double Burner, Triple Burner.

This heater generates the output to heat up to 400 square feet for up to 120 hours on a bulk cylinder. Dimensions: 17-1/2"H x 17"W x 10"D.

This lightweight, portable heater packs into even the most remote hunting, fishing and camping areas. New, easy-to-use piezoelectric spark igniter. Dimensions: 15"H x 13.4"W x 7.7"D.

This extremely quiet, durable and compact blind heater produces only 16.5 decibels and generates 11,000 BTUs.