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Infratech SL-Series Slimline Single Element 4000Watt Outdoor Electric Heater | 277V

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$968.00 $1,850.99

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  • Choose Preferred Mounting Options. SL-Series heaters are suitable for indoor and outdoor installations and are ideal for wall or ceiling mount applications. See "Recommended Accessories" Tab Above. 
  • Sleek Contemproary Style. With crisp, modern styling, an anodized aluminum housing, brushed stainless steel trim and narrow profile Slimline heaters virtually disappear into the décor.
  • Modern Look for Your Patio. Infratech SL-Series Heaters designed for surface mount applications up to 10 feet, boasting outstanding performance and durability
  • Enjoy the Soft Glow. Infratech uses medium wave infrared heat to produce a pleasing glow with no glare or obnoxious light.
  • Lasting Energy Efficiency and Value. Infratech SL Series Outdoor Heater is highly efficient (90%), transferring heat directly to objects, so warmth will not “blow away” in windy conditions
  • Quality without Compromises. Easily control your unit with optional On/Off Switch and optional Custom Controls (Solid State Control Packages, Home Management Systems, Universal Control Packages). Proudly made in the USA offering 3 years warranty.


Infratech Slimline Electric Heater brings outstanding style, warmth, and comfort to your patio, veranda, or outdoor kitchen. The sleek aesthetic and crisp, modern styling of Infratech SL-Series easily blends into any space. Infratech SL Patio heater is extremely slim - just 4 3/4-inches wide, and comes in silver or all-black finish. Infratech SL4028 Electric Patio Heater is over 90% energy efficient, and transfers heat directly, warming people and objects, not the air. Slimline Electric Heaters are UL listed for indoor and outdoor use, suitable for wall or ceiling mount installation requiring minimal clearance from combustible materials. Corrosion-resistant materials and durable quartz heating elements rated for up to 5,000 hours make it possible for Infratech Outdoor Heater to provide a leading three years warranty. Warming your outdoor space becomes a unique high-end experience with all the benefits of the Infratech Electric Radiant Infrared Heater.

See "Recommended Accessories" Tab Above. 


  • Infratech SL-Series Slimline 63" 4000Watt 19.2 Amps 277V Indoor/Outdoor Electric Heater
  • Two Inset Mounting Brackets


    Wall mounted or ceiling mounted, SL-Series Slimline Single Element Outdoor Electric Heater improves any décor:

     Infratech SL-Series Slimline Outdoor Electric Heater | Infratech  Electric Radiant Heater |  Wall mounted  Infratech SL-Series Slimline Outdoor Electric Heater | Infratech  Electric Radiant Heater |  Ceiling mounted  


    The 4000W Infratech SL-Series Electric Heater heats averagely 100 sqft.

      Infratech SL-Series Slimline 4000 Watt 277V Outdoor Electric Heater | Infratech 63 in Electric Radiant Heater | SL4028 | Heat Area

    Brand Infratech
    Model SL Series 4000W
    Fuel Type Electric
    Color Black/Steel
    Heat Area 100 sqft
    Current Voltage 19.2 A (277V)
    Min Floor Clearance Ceiling 72''
    LED Color Soft Red
    Finish Anodized Aluminium
    Warranty 3 years


    Unit Dimensions 63 1/2'' W x 4 3/4'' H x 3'' D
    Dimensions w/Brackets 63 1/2'' W x 4 3/4'' H x 8 11/16'' D
    Mounting Base Width 2 1/2''
    Weight 17 lbs



    Infratech SL-Series Slimline 4000 Watt 277V Outdoor Electric Heater | Infratech 63 in Electric Radiant Heater | SL4028 | Dims


    Infratech SL-Series Slimline Outdoor Electric Heater | Infratech  Electric Radiant Heater | Clearances


    Infratech SL-Series Outdoor/Indoor Electric Heater Demo Video is Coming Soon

    Infratech SL-Series Demo Video is Coming Soon


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    Select Control Options

    Value Controls

    Infratech Simple On/Off Switch: (click here for this Accessory) Enjoy a simple, low cost control option that offers easy installation and use for single-element heaters, available in different configurations to meet the needs of your space.

    Custom Controls

    Universal Control Packages: (please contact our representative before the purchase for further information) Create multiple heating zones and control your heating system from a smartphone or tablet via a Wi-Fi/Bluetooth® compatible device. Universal Control Panel allows you to install and control your Infratech heaters using any 120V lighting dimmer of your choice. Slide Dimmer and Timer included.

    Home Management Systems(please contact our representative before the purchase for further information) Add more automation control to your smart home with Infratech’s exclusive Home Management System, compatible with top-selling systems like Lutron™, Crestron™, Control 4™, Savant™, and others.

    Solid State Control Packages(please contact our representative before the purchase for further information) Solid State Relay Panel and Zone Analog Controller with timer work together, and are project specific. Enjoy timer functions, control versatility, heating adjustment, zone heating and ease of use


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      Your newly purchased Product is covered by the Manufacture Limited Warranty, subject to Terms and Conditions. View full Manufacture Limited Warranty below.


      If you have technical issues with your Outdoor Heater Unit, within the warranty period, please consult your product manufacturer's warranty. You can contact either us at or contact the manufacturer of your product. We are here to help you.


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