
phantomSchwank STP Series
The dark knight of patio heaters
Powerful performance and functionality redefine cutting-edge technology for outdoor comfort. Make the most of your patio space with phantomSchwank’s intuitive smart wireless control, ultra-low profile, versatile mounting options, and wind resistance. Available in 2-stage, this model ranges from 35,000 to 115,000 BTUhs and comes in 12′ and 17′ lengths.
Applications
- Outdoor patios
- Outdoor coastal regions
- Restaurants
- Hospitality
- Golf Ranges
- Hotel Patios
Video
Meet phantomSchwank STP Series—Upgrade your patio scene with the latest all-black phantom powder-coated finish in Infrared Patio Heating model.
(Watch time 1.17 min)
phantomSchwank highlights
Patio accentuated with style.
Features
Elusive Design
- Intricate detailing of the grille.
- Low profile model.
- Ultra-low clearances with versatile mounting configurations.
- Fully enclosed unit.
- Overall captivating design with clean lines, sleek aesthetics, and minimalist shapes.
Energy-Efficient EC Motor
- High-efficiency EC Motor offers advanced operation is 2-3x more efficient than standard Shaded Pole or PSC motors.
Optimal Serviceability
- Accessible screwless latch with a swing-down cabinet for easy maintenance access; we have skipped the screws again for this model.
- Factory pre-assembled modules for easy onsite installation

Built-in Smart Wireless Controls 
- Easy-to-use control app or web browser.
- Connects to your WIFI and is compatible with mobile devices/tablet.
- Functionality to control on/off, high/low, and program weekly schedules (controls designed with the owner/manager in mind).
- Compatible with smart devices.
- Flexibility to turn on part or parts of your patio space with the ability to manage “zones”.
- Pairs with Schwank.ONE control.
Engineered for Performance in outdoor patios
- Engineered with marine-grade aluminum alloy.
- Optimized reflector provides a more uniform heat distribution.
- Wind resistant, fully enclosed model.
- Factory pre-assembled modules for easy onsite installation.
- Easily convert the unit in the field from NG to LP.

Built-in Smart Wireless Controls
· Operators can use a mobile device/tablet to connect with Google smart devices or pair with Schwank.ONE control seamlessly.
Elusive Design
· Captivating design with clean lines, phantom black powder-coated finish
· Intricate detailing of the front grille.
· Versatile mounting configurations.
· Provide effortless placement into outdoor patio environments.
Engineered for Performance
· Engineered with marine-grade aluminum alloy.
· Optimized reflector and a fully enclosed unit provide wind resistance plus a more uniform heat distribution.
· Accessible screwless latch with a swing-down cabinet for easy maintenance access.
Energy-Efficient EC Motor
· Advanced operation is 2-3x more efficient than standard shaded pole or PSC motors.
Built with EC Motor technology
Intuitive and enhanced operation
- Provides +85% energy efficiencies throughout a full range of operations.
- An EC Motor is 2x more efficient than a PSC motor (Permanent Split Capacitor) and 3x more efficient than a Shaded Pole AC motor which is commonly used for infrared tube heaters.
- A constant torque EC Motor leads to more robust and stable combustion through the heaters’ entire range of operation and external pressure changes.
- Schwank has engineered a customized control board (power input 24VDC) built specifically for the 2-stage phantomSchwank Series.
Intelligent control technology for heating systems
- Optimized reflector geometry provides increased efficiency over conventional reflectors and maximizes heat distribution throughout the entire radiant area.
- Providing a more uniform heat distribution across the same heating surface.
New reflector | Conventional reflector |
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Video
Behind the Scenes of phantomSchwank STP Series. Built and manufactured by Schwank in North America with the highest quality and testing standards! With an impressive 10-year warranty for both the burner cup and tubes, our commitment to quality is evident.
(Watch time 0.29 sec)
Downloads
phantomSchwank STP Series resources
Specifications
|
STP 50K BTU Model
|
STP 80K/115K BTU Models
|
Mounting Height(Recommended) |
50K BTU/h: 8-10ft |
80K BTU/h: 8-11ft 115K BTU/h: 9-12ft |
Coverage Area |
50K BTU/h: up to ~200 sq. ft. |
80K BTU/h: up to ~300 sq. ft. 115K BTU/h: up to ~500 sq. ft. |
Controls |
2-Stage Wireless w/ Shelly App | 2-Stage Wireless w/ Shelly App |
Sound |
~55–65 dB | ~55–65 dB |
Material |
Marine-grade Aluminum Alloy Black Powder-coated Finish EC Motor |
Marine-grade Aluminum Alloy Black Powder-coated Finish EC Motor |
Lengths |
12′ | 12′ 80K BTU/h 17′ 115K BTU/h |
Warranty |
10-year Burner Cup 3-year Components |
10-year Burner Cup 3-year Components |
Certification |
UL Certified | UL Certified |
Video
Meet phantomSchwank STP Series—Have a sneak peek as it is unveiled.