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

Get started

For more information or to purchase, contact us


Get in touch

For general inquiries, please call us toll-free (USA & Canada) 1-877-686-3779 or email our experts. 

Where to buy

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


Request a design

We can recommend, support specifying, and be a partner through the entire design process.