When heating larger spaces with a 240V single‑phase supply, 15kW electric heaters offer substantial warmth and rapid heat-up. The options below highlight 15kW units from reputable brands that balance performance, portability, safety, and ease of installation. This guide helps you compare features such as thermostatic control, wheel or mounting options, and compatibility with remote thermostats or smart controls. Each product is listed with key attributes to support an informed choice for workshops, garages, and large living areas.
| Product | Brand | Power | Phase | Notes |
|---|---|---|---|---|
| KING KB2415-1-PLTMX-FB | KING | 15kW | 1-Phase | PlatinumX electronic controller; built‑in 24V remote thermostat provision; compatible with NEST / 24V WIFI stat |
| Global Industrial Portable Electric Salamander Heater | Global Industrial | 15kW | 1-Phase | 25′ cord, wheels for mobility; requires 75A circuit; direct wire installation |
| Hatco C-15-240-1-QS Booster Heater | Hatco | 15kW | 1-Phase | Includes 1-year parts and labor warranty |
| Dyna-Glo Dual Power 15,000W | Dyna-Glo | 15kW | 1-Phase | Two heat settings; summer fan‑only option |
| DR Infrared Heater DR-P3150 | DR. INFRARED HEATER | 15kW | 3-Phase | Single or three‑phase; 208–480V; heavy‑duty; 3‑phase option included |
KING KB2415-1-PLTMX-FB King 15kW Unit Heater
The KING KB2415-1-PLTMX-FB is a 15kW 240V single‑phase unit designed for controlled heat delivery in larger spaces. It features a PlatinumX electronic temperature controller and built‑in provisions for a 24V remote thermostat. Compatibility with NEST or any 24V WIFI stat offers smart‑home integration for precise temperature management. Power delivery is managed to support efficient operation in garages, workshops, and commercial spaces that require consistent warmth without frequent cycling.
Global Industrial Portable Electric Salamander Heater
The Global Industrial 15kW portable heater is engineered for mobility and rapid space heating. It includes 25 feet of cord for convenient reach and sits on 10″ wheels for easy repositioning. It requires a 75A circuit and is designed for direct wire installation, making it suitable for workshops and large garages where flexible placement is important and a fixed installation is impractical.
Hatco C-15-240-1-QS Booster Heater
Hatco’s booster heater delivers 15kW of robust heating at 240V with a 1‑phase electrical configuration. It includes a manufacturer’s one‑year parts and labor warranty, offering assurance on performance and serviceability for continued reliability in demanding environments such as commercial kitchens, garages, or workshop spaces that require immediate and reliable heat during colder months.
Dyna-Glo Dual Power 15,000W Electric Garage Heater
The Dyna-Glo Dual Power heater provides 15,000W at 240V with two heat settings—11,300W and 15,000W—allowing flexible heat output for larger workshop or garage spaces. The unit supports simple operation and can be used with or without the heater running, offering a practical solution for seasonal use where cooling is also desired. This model blends high heat capacity with straightforward operation for American garages and shops.
DR Infrared Heater DR-PS11024
The DR Infrared Heater DR-PS11024 is a 10,000‑W single‑phase portable heater designed for 240V operation with a robust steel frame and safety guards. While its wattage falls short of 15kW, it is included here for comparative context in single‑phase, 240V heating options. It emphasizes clean, instant heat with a floor‑mount design and a protective circuit breaker requirement, making it a strong option for smaller spaces or as a supplemental heater in larger layouts.
Buying Guide: Key Considerations For 15kW 240V Single‑Phase Heaters
- Electrical requirements: Ensure your electrical service can support a 15kW load, typically requiring a dedicated high‑amperage circuit (often 60–75A). Verify wiring gauge and circuit breaker ratings with a licensed electrician.
- Phase compatibility: If your space uses single‑phase supply, select models explicitly rated 240V 1‑phase. Some units in the market offer 3‑phase configurations or dual‑voltage options; match to your electrical system.
- Thermostat control: Look for built‑in electronic controllers, remote thermostat compatibility (24V), and smart thermostat options (Nest or other Wi‑Fi stats) for precise temperature management and energy efficiency.
- Mobility vs. fixed installation: Portable units with wheels offer flexibility for temporary or changing needs. Fixed or hard‑wired units are ideal for workshops or garages with stable layouts.
- Heat distribution: Consider units with wide air dispersion or directed airflow to minimize cold spots. Ceiling‑mounted heaters can improve space coverage in larger rooms, while floor‑standing units suit open floor plans.
- Safety features: Look for overheat protection, durable housings, and protective guards on intake/output. Ensure proper clearances around the heater to prevent heat damage or fire risk.
- Warranty and serviceability: A manufacturer’s warranty (parts and labor) provides reassurance. Check for readily available replacement parts and service support in your area.
- Energy considerations: Higher wattage units produce rapid warmth but also draw more current. For efficiency, pair with programmable thermostats and zone heating strategies to minimize energy use when spaces are unoccupied.
- Installation constraints: If direct wiring is required, professional installation is recommended. Portable models may require minimal setup, while fixed units demand mounting hardware and professional electrical connections.
- Intended environment: Choose units rated for garage, workshop, or industrial spaces if dust, moisture, or humidity is present. Durable construction and enclosure ratings increase longevity in demanding environments.