Overview: This guide compares five 220–240V garage heaters suitable for workshops, garages, and commercial spaces. Each product entry links to the Amazon listing and includes the manufacturer features to help match heater type, power, installation, and safety needs.
Product | Voltage & Power | Installation Type | Key Feature |
---|---|---|---|
Comfort Zone Hard-Wired Ceiling Heater (CZ220) | 240V, 5,000W | Hard-wired, Ceiling mount | Adjustable louvers, fan-forced |
Dr Infrared DR-988A Garage Shop | 208/240V, 4,800–5,600W | 240V plug (NEMA 6-30R) | High-power with NEMA 6-30P cord |
DR Infrared 10,260 BTU Infrared Heater | 220–240V, 3,000W | Ceiling or wall mount | Carbon infrared element, IP55 weatherproof |
Dura Heat 10,000W Ceiling Heater | 240V, 10,000W | Hard-wired, Ceiling mount | Remote, digital thermostat, large coverage |
CTSC 10,000W Electric Garage Heater | 240V, 10,000W | Hard-wired, Ceiling mount | Voltage display, ETL listed, ECO function |
Comfort Zone 5,000W Ceiling Heater

This unit Is A 240V, 5,000W fan-forced ceiling heater designed for garages, workshops and warehouses. The design uses overhead mounting to free floor space and the housing is built from heavy-gauge steel for durability in poorly insulated areas.
Key manufacturer features include adjustable louvers and mounting angle for directed airflow, a thermal cut-out/overheat protection for safety, and an ETL listing for compliance. The fan-forced distribution helps warm larger volumes evenly compared to point infrared heaters.
Installation requires hard-wiring into a 240V circuit and should meet local electrical codes. The unit suits users who need a space-saving overhead solution with adjustable airflow direction and metal construction for durability.
Dr Infrared DR-988A 240V Shop Heater

The DR-988A Is A 208/240V commercial electric heater with a high-power rating up to 5,600W depending on wiring and model variant. It is supplied with a power cord terminated in a NEMA 6-30P plug and requires a matching NEMA 6-30R receptacle for installation.
Manufacturer notes emphasize that 240V is required and that the supplied cord and plug must match the designated outlet. This model fits users who want a plug-in high-power unit rather than a hard-wired installation, while still delivering substantial wattage for larger garages or shops.
Because the heater draws high current, verify that circuit and receptacle ratings match the heater’s requirements and consult a qualified electrician when modifying wiring or installing the dedicated outlet.
DR Infrared 3,000W Carbon Infrared Heater

This model Uses a carbon infrared element producing 10,260 BTU / 3,000W and supports 220–240V supply. The heater is described by the manufacturer as weatherproof (IP55), which enables outdoor patio use as well as indoor garage or workshop installation.
Manufacturer features include ceiling or wall mounting hardware, a supplied power plug, and remote control for switching between power levels and standby mode. Infrared heating transfers heat directly to objects and people rather than heating air, which can be an advantage in drafty or open spaces.
For enclosed garages that lose heat quickly, carbon infrared can provide targeted comfort to work areas. Confirm mounting and clearance requirements per the included installation instructions and local codes.
Dura Heat 10,000W Ceiling Garage Heater

Dura Heat Lists this unit as a 240V, 10,000W / 50A hard-wired ceiling heater. Manufacturer features include a built-in LED display thermostat adjustable from 45–99°F, remote control with timer, and an ECO system for staged operation.
Manufacturer specifications claim coverage up to 1,500 sq. ft. (coverage depends on insulation and ceiling height). The unit requires professional installation due to the high current draw and hard-wired connection requirements.
Built-in overheat protection and remote temperature control are listed for operational convenience. This model is intended for large garages or workshops where a single high-wattage ceiling unit can deliver broad coverage.
CTSC 10,000W Digital Garage Heater

The CTSC Hardwired Heater Is A 240V, 10,000W fan-forced unit constructed from SPCC cold-rolled steel. Manufacturer features include an innovative voltage display screen to help diagnose incorrect supply voltage during installation.
Safety features listed include overheat protection and ETL certification. Control options include a digital touch panel and remote control with three heat settings: 10,000W / 7,500W / Fan Only. The unit also lists an ECO function for staged energy use.
The voltage display is intended to reduce installation troubleshooting by indicating supply voltage levels. As with other high-power ceiling heaters, hard-wiring by a qualified electrician is recommended to meet codes and ensure correct circuit sizing.
Buying Guide
This section explains the key factors to evaluate when selecting a 220–240V garage heater so you can match heater type, power, controls, and safety features to your space and electrical setup.
Heating Type: Fan-Forced vs Infrared
Fan-Forced Heaters Use an element and a fan to move warm air throughout the room. They are suited to evenly distributing heat in enclosed spaces and can warm large volumes of air over time.
Infrared Heaters Use radiant heat to warm objects and people directly. They are effective for targeted heating in work areas or partially open garages where heating the air is inefficient.
Wattage And Coverage
Wattage correlates to heat output: higher wattage produces more heat but requires a larger circuit. As a general guide, higher-wattage units (7,500–10,000W) are used in large or poorly insulated garages, while 3,000–5,000W units suit smaller or better-insulated spaces.
Manufacturers sometimes list approximate square-foot coverage; treat those values as estimates because insulation, ceiling height, and drafts significantly affect performance.
Electrical Requirements And Outlet Types
Confirm your garage’s available service. Many heavy-duty heaters require a dedicated 240V circuit. Some models are hard-wired; others use a NEMA plug (e.g., NEMA 6-30). Match the heater’s plug, amperage, and cord type to your electrical supply.
If a specific outlet is required, plan for professional wiring or a dedicated outlet. Undersized wiring or shared circuits can lead to tripped breakers or hazards.
Installation: Hard-Wired Vs Plug-In
Hard-Wired Units typically mount to ceilings or walls and connect directly to the building wiring. They are more permanent and often require professional installation for high-amp units.
Plug-In Units Offer simpler installation if your garage has a matching receptacle, but ensure the outlet rating aligns with the heater’s amperage. Using adapters or undersized cords is not recommended.
Controls And Convenience
Look For features such as digital thermostats, remote controls, timers, and multi-stage heat settings to improve comfort and efficiency. Thermostatic control helps maintain set temperatures and reduces cycling losses.
Some units include ECO or staged modes to limit maximum draw during startup and reduce electrical strain.
Safety Features And Certification
Essential safety features include overheat protection, thermal cut-outs, tip-over protection for portable units, and adherence to third-party certifications such as ETL or UL listings. Certification indicates testing to standard safety criteria.
For ceiling mounts, ensure adequate clearance from combustible materials and follow the manufacturer’s listed minimum distances.
Build Materials And Durability
Metal housings (heavy-gauge steel) provide robustness for garage environments. For outdoor-exposed installations, look for an IP rating or weatherproof designation.
Corrosion-resistant finishes and sturdy brackets help extend operational life in damp or unheated spaces.
Noise And Air Movement
Fan-forced heaters produce airflow and some operational noise; fan-less panel heaters (not covered in depth here) are quieter. If workshop noise levels matter, consider models with quieter fans or remote placement.
Energy Efficiency And Operation Costs
Electric resistance heaters convert nearly all electrical input to heat, but overall operational cost depends on wattage and run-time. Use thermostats and timers to avoid unnecessary runtime. Infrared heaters can be more efficient for spot heating because they deliver heat directly to people and objects.
Compare multi-stage settings and ECO modes for lower steady-state consumption when whole-space heating is not required.
Maintenance And Troubleshooting
Regularly inspect air inlets, fans, and heating elements for dust buildup. Follow manufacturer-recommended cleaning and maintenance schedules. For hard-wired installations, periodically check mounting hardware and electrical connections per local code.
Voltage-display or diagnostic features found on some models can simplify initial troubleshooting for improper supply voltage or installation issues.
Space-Specific Considerations
For Large Garages Or Workshops: Choose higher wattage units (7,500–10,000W) or multiple distributed units to reduce heat stratification and improve coverage.
For Small Garages Or Targeted Work Areas: A 3,000–5,000W fan-forced or infrared unit may provide adequate comfort without a large electrical upgrade.
Compliance And Local Codes
Always follow local building and electrical codes. High-amp heaters often require permits and must be installed on dedicated circuits with appropriately sized breakers and wiring. Consult a licensed electrician for circuit planning and installation.
Summary Advice: Match heater type, wattage, and installation method to your garage size, insulation level, and available electrical service. Prioritize certified safety features, professional installation for hard-wired high-amp models, and controls that allow thermostatic and timed operation for efficient, safe heating.