Products / Outdoor Heaters / electricSchwank


Electric indoor/outdoor patio heaters

electricSchwank heating systems offer a streamlined, yet effective heating solution for any indoor or outdoor spaces. They are available in a range of sizes, wattages, and voltages that can provide appropriate warmth to any indoor or outdoor area, from a small room to an expansive open-air commercial space.


  • Restaurants
  • Sports venues & stadiums
  • Nightclubs & bars
  • Hotels
  • Outdoor patios
  • Residential

electricSchwank highlights

Electric indoor/outdoor heaters

This electric infrared heater is available in two different sizes, and with a single bulb or dual bulb option to ensure your patio is heated effectively. The dual bulb electricSchwank comes with a 2-stage feature for a high or low heat setting. These four models have a dual bulb option: ESD 3000 Series, ESD 4000 Series, ESD 5000 Series, ESD 6000 Series.

Add a simple on/off control, a variable control, or a 2-stage control to adjust the heating comfort across your patio with the flick of a switch. All controls are available with no cover, weatherproof cover, or weatherproof box models with flush-mount or surface-mount options.


  • 1,500, 2,000, 2,500, 3,000, 4,000, 5,000, 6,000 Watts models
  • 120V, 208V, 240V, 277V, and 480V options
  • 19.5”, 33”, 39”, 61.25” heater length
  • Available in single-stage and variable heat options
  • Single bulb or dual bulb, mediumwave quartz bulb
  • Mounting heights 6ft – 14ft


  • Control options include on/off, variable, and 2-stage
  • Attractive stainless-steel finish – custom colors available in black, white, beige, and mineral bronze [custom colors have a longer lead time]
  • Light emitted is easy on your eyes
  • Mounting options include ceiling, flush mount/recessed and post-mount

Optional accessories

Accessories are sold separately.

Flush mount or recessed model frames.




Adaptable Control options include individual switches, variable controls, a 2-stage controller, a home management system, and a solid state relay control.

Learn More


electricSchwank resources

Explore product brochures, case studies & technical information.


Click on the image to view and download PDF.

Technical documents


Submittal Data

Submittal – Relay panel & Analog control

Flush mount installation

Pole mount installation

Heater selection guide

Color options

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Schwank reps will help you select the units and designs that best fit your application, at no charge.


Request a design

Our team will recommend & support specifying the required products and be a partner to guide you through the entire design process.