If you’re looking to heat medium to large spaces effectively, a 15kW electric heater operating at 240V 1-phase could be the ideal solution. These heaters provide powerful, consistent warmth suitable for workshops, garages, and commercial spaces. The selection below highlights the top-rated options available on Amazon, including portable and fixed models, all designed for robust heating performance. This guide also covers key features and considerations to help you choose the right unit.
| Product | Brand | Voltage & Power | Key Feature |
|---|---|---|---|
| Hatco C-15-240-1-QS Booster Heater | Hatco | 240V, 15kW, 1-phase | One year warranty on parts and labor |
| Global Industrial Portable Salamander Heater | Global Industrial | 240V, 15kW, 1-phase | Portable with 10″ wheels and 25′ cable |
| DR Infrared Heater DR-P3150 | DR. INFRARED HEATER | 15kW, single or 3-phase, 208-480V | Uniform heat distribution, heavy-duty motor |
| Goodman HKR3-15 Electric Heat Kit | Goodman | 208/240V, 15kW, 3-phase | 10-year parts and unit warranty |
| Cadet Com-Pak Electric Wall Heater CSC202TW | Cadet | 240/208V, 2000/1500W | Fast heating coil and safety shutoff |
Hatco C-15-240-1-QS Booster Heater, 15kW 240V 1-Phase

The Hatco C-15-240-1-QS Booster Heater is designed for efficient and reliable electric heating with a rated power of 15kW operating on 240V single phase. It is ideal for commercial and industrial applications requiring consistent booster heat. This unit includes a manufacturer’s one-year parts and labor warranty, ensuring peace of mind with your purchase.
This heater is engineered for robust performance in demanding environments and is easy to integrate into existing heating systems. Its design focuses on durability and longevity, making it a solid option for those needing dependable heat output.
Global Industrial Portable Electric Salamander Heater 15kW 240V

The Global Industrial Portable Salamander Heater is a 15kW unit running at 240V and 1-phase tailored for easy mobility. Featuring 10-inch wheels and a 25-foot power cable, this heater can be effortlessly moved to wherever warmth is needed most. It requires a 75 Amp circuit breaker and is designed for direct wire installation.
This portability combined with powerful heating makes it an excellent choice for temporary heating in workshops, construction sites, and other settings where heat locations change. The heavy-duty design supports reliable performance on demanding job sites.
DR Infrared Heater DR-P3150 15kW 3-Phase, Gray

The DR Infrared Heater DR-P3150 offers flexibility with single or three-phase operation and voltage ranges from 208 to 480V, accommodating various installation needs. Its 15kW output ensures uniform air distribution, effectively filling large rooms with heat.
This model features an overheat-protected motor with permanent lubrication and a heavy-duty bearing for long-lasting use. It is particularly suited to environments demanding consistent warmth with minimal maintenance.
Goodman HKR3-15 Electric Heat Kit 15kW 208/240V 3 Phase

The Goodman HKR3-15 Heat Kit is a 15kW electric heating unit designed for 208/240V 3-phase systems, typically used with Goodman air handlers and packaged units. This kit supports high heating output with manufacturer-backed warranties including a 10-year unit replacement and a lifetime compressor limited warranty.
This unit is geared towards users needing a factory-supported, warranty-rich heater compatible with Goodman HVAC systems, assuring quality parts coverage and reliable installation.
Cadet Com-Pak Electric Wall Heater CSC202TW 240/208 Volt

The Cadet Com-Pak CSC202TW electric wall heater features a fast heating coil element and covers approximately 200 square feet. Running on 240/208 volts at 2000/1500 watts, it is perfect for smaller spaces in need of quick, efficient heat.
Its quiet fan distributes warmth evenly while built-in safety features automatically shut the heater off if temperature thresholds are exceeded. This model can be ceiling-mounted or recessed, adding installation flexibility for residential or commercial rooms.
Buying Guide for 15kW Electric Heaters 240V 1-Phase
When selecting a 15kW electric heater operating at 240V single phase, consider the following key factors to ensure you get the most suitable unit for your heating needs:
- Voltage and Phase Compatibility: Confirm your power supply matches the heater’s voltage and phase requirements. Most 15kW heaters run on 240V single phase, but some models offer 3-phase or variable voltage support.
- Heating Capacity and Area Coverage: Verify the BTU output or wattage correlates with the space size. A 15kW heater typically serves medium to large areas, but portability or wall mount features can affect distribution.
- Installation Type: Decide between portable units with wheels for temporary use or fixed wall/ceiling-mount models for permanent installations. Consider if direct wiring or plug-in setups are required.
- Safety Features: Look for overheat protection, automatic shutoff, and thermal cutout switches for safe operation, especially in enclosed or high-traffic areas.
- Durability and Material Quality: Commercial heaters often use heavy-gauge steel or industrial components for longevity. For demanding environments, robust construction is crucial.
- Warranty and Support: A strong warranty enhances reliability. Some brands offer extended parts and labor warranties or unit replacement guarantees.
- Heat Distribution Mechanism: Consider if the heater uses fan-forced air, infrared elements, or convection to suit your heating preference and room usage.
- Installation Requirements: Check electrical circuit breaker capacity (often 75 amps or more for 15kW), wiring needs, and professional installation advisories.
By carefully evaluating these points, you can select a 15kW 240V single-phase electric heater that provides efficient, safe, and reliable heat tailored to your specific environment and usage requirements.