Finding a reliable 30 amp electric heater for a garage or workshop involves comparing power, safety features, and ease of installation. The following selections highlight units designed for 240-volt circuits and 30-amp plugs or higher-capacity setups. Each entry includes key features to help you choose a model that fits your space, electrical setup, and heating needs.
| Product | Brand | Voltage / Amps | Approximate Power | Key Benefit |
|---|---|---|---|---|
| Dr Infrared Heater DR-988A Garage | DR. INFRARED HEATER | 240V / 30A+ (requires NEMA 6-30P receptacle) | 4,800–5,600 W | High heat output for larger spaces |
| CTSC 4800W Garage Heater | CTSC | 240V / 30A | 4,800 W | ETL-certified with built‑in safety protections |
| Dura Heat EWH5510 Electric Forced Air Heater | Dura Heat | 240V / 30A | 5,000–5,100 W | Large coverage up to 750 sq ft |
| TEMPWARE 5000W Electric Garage Heater | TEMPWARE | 240V / 30A (typical high-amperage setup) | 5,000 W | WiFi and remote control with timer |
| GreatBear 6kW Tankless for 240V | GREATBEAR | 240V / 25–30A (depending on wiring) | 6,000 W | Space-saving point-of-use heating |
Dr Infrared Heater DR-988A Garage
This 240-volt unit delivers substantial heat for large spaces. It operates at 5600 watts maximum with the option for lower settings as needed. A dedicated NEMA 6-30P receptacle is required for the power cord. The model is designed for garage and workshop use, where consistent, high-output heat can improve working conditions. The 6-30R outlet compatibility emphasizes the need for appropriate electrical wiring and a professional installation if necessary.
CTSC 4800W Garage Heater
Designed for 240V operation with a standard 6-30P plug, CTSC’s heater emphasizes sturdy construction and safety. It features overheating protection and ETL certification, making it suitable for enclosed garages and workshops. The unit ships assembled with a 6-foot power cord, enabling quick plug-in setup once a compatible outlet is installed. This model is well suited for durable, long-term use in cold-work environments where dependable heat is essential.
Dura Heat EWH5510 Electric Forced Air Heater
This 240V heater provides 17,060 BTU of warmth suitable for garages or workshops up to 750 square feet. It requires professional installation due to hard-wired configuration and 30A circuit needs. The force-air design helps distribute heat effectively, and the unit includes a control panel or remote options for comfortable operation. For higher-heat demands and larger spaces, this model is a solid option within the 30A category.
TEMPWARE 5000W Electric Garage Heater
With three control methods (remote, WiFi, and touch panel), this unit allows flexible operation from the shop or smartphone. It offers three power settings (3,000W, 4,000W, 5,000W) and adjustable airflow with louvers for directing heat. An ECO mode and programmable timer contribute to energy efficiency and scheduling, making it suitable for larger garages that require precise heat management and remote monitoring.
GreatBear 6KW Tankless 240V Heater
This 6 kW unit operates on a 240V supply and is designed for point-of-use hot water needs rather than room heating. It uses self-modulating technology and multiple safety protections, including leakage and dry-fire prevention. While primarily a hot-water solution, its electrical profile can influence electrical planning in spaces that require both space heating and domestic hot water adjustments in tight spaces.
Buying Guide: Key Considerations for 30 Amp Electric Heaters
- Electrical requirements: Most 30A heaters require a 240V circuit and a corresponding plug (commonly NEMA 6-30P/R). Verify your panel capacity and wiring with a licensed electrician to prevent overloading or nuisance tripping.
- Heat output and space coverage: Units in the 4,800–5,000+ watt range are intended for larger garages or workshops (roughly 300–750 sq ft depending on insulation and ceiling height). For smaller spaces, lower wattage models may suffice and reduce electrical demands.
- Safety certifications: Look for ETL or UL listings, thermal protections, tip-over safety, child safety features, and cool-touch housings to enhance overall safety in busy workspaces.
- Control options: Consider models with remote control, programmable timers, ECO modes, and WiFi connectivity. These features help manage energy use and maintain comfortable temperatures without constant manual adjustments.
- Installation and maintenance: Some heaters require professional hard-wiring or permanent mounting, especially high-wattage units. Check clearance requirements from walls and flammable materials, and plan for regular lint and dust maintenance in dusty garages.
- Energy efficiency: Self-modulating controls and ECO modes reduce energy waste, particularly in larger spaces where heat management directly affects operating costs over time.
- Reliability and warranty: Favor brands with longer warranties and accessible customer support. A solid warranty provides confidence for equipment exposed to garage dust, humidity, or occasional moisture.
- Alternative heating strategies: If your space is intermittently used, consider combining a space heater with proper ventilation, insulation improvements, or a radiant floor option for more even, efficient warmth.