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Actual product may vary from photos.
The Williams 1096541 has been discontinued
1096513 Left Angle
Williams 1096513

10,000 LP / 12,000 NG BTU Ventless Infrared Heater, 99.9% Efficiency, Glass Front, Liquid Propane/Natural Gas, Manual Thermostat, F.E.S

Get quick efficient warmth without the need for venting or electricity. Relax in comfort created by these 99.9% efficient heaters with low fuel consumption and quiet operation. Infrared Heaters distribute heat evenly throughout your room and provide direct radiant heat. Ceramic plaques behind the grille give this heater its warm glow.

Standard Features:

  • Economical: 99.9% efficient
  • No outside duct or chimney needed!
  • Space saving design without sacrificing beauty
  • Available in Natural Gas or Liquid Propane Models
  • O.D.S. (Oxygen Depletion Sensor) with automatic shut-off
  • No electricity required
  • Push button "Matchless" igniter

Note: Some states prohibit the use of unvented heaters. Check local regulations. Cannot be sold in California.


Configuration is the direction the conditioned air will pass through the unit.

Upflow units will have the air come in from the bottom and blow out the top.

Horizontal units will have the air go through the unit left to right, or right to left.

Downflow units will have the air come in from the top of the unit, and blow out the bottom.

Unsure of what configuration your home needs? Call us at 800-865-5931. Monday through Friday, 8:30am to 5:00pm CST

Heater Type

Infrared Heaters provide direct radiant heat. Ceramic plaques behind the grille provide a warm glow. Blue-Flame Heaters distribute heat evenly throughout your room. A Cheerful blue flame is visible from behind the safety glass.

Heater Type
Maximum Heating Output BTU

The amount of heat, rated in British Thermal Units (BTUs), that the unit can deliver into the space. Not sure how many BTUs you need? Try our easy Equipment Sizing Estimator.

Maximum Heating Output BTU
10000 BTU
Efficiency (% AFUE)

The percentage of energy converted into output by the unit. The remaining percentage is lost during the conversion process. The higher the efficiency, the lower the operational cost.

Efficiency (% AFUE)
99.9 %
Electrical Requirement
Fuel Type
Liquid Propane
Ignition Type
Electric Piezo
Front Panel
Equipment Type
Wall Furnace
Exhaust Venting
Thermostat Type
Product Weight
13 lbs
14 1/8 Inches
6 3/8 Inches
19 1/8 Inches
Parts Warranty
1 Years