Dr. Heater DR966 240-volt Hardwired Shop Garage Commercial Heater Review

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Last Updated: 12/16/2020

The Dr. Heater DR966 is a commercial-grade hardwired shop heater that is perfect for heating large areas that other heaters may not be able to handle. This heater is both powerful and quiet while costing less than comparable products. This could be considered one of the best electric garage heaters.

About the DR966

The DR966 provides uniform heat with less noise and turbulence than other industrial heaters. The spiral steel electric heating elements and large 8-inch fan provide optimal heat with minimal noise. The enclosed ball bearing motor is thermally protected and permanently lubricated, allowing for a long life with very little maintenance. This heater is only 27 pounds, but it provides a lot of warmth over a large area.

Dr. Heater DR966 240-volt Hardwired Shop Garage Commercial Heater

Dr. Heater DR966

  • 5 Adjustable Louvers for to Direct Airflow
  • 3000-watt/6000-watt
  • UL & CUL Listed
  • 27 pounds weight

The built-in thermostat allows you to adjust the temperature to a comfortable level while the movable louvers are perfect for ensuring the heat gets exactly where you need it. The front cover is made of stamped steel, and the mounting brackets are included.

The DR966 is Portable

Although the name can be a mouthful, the Dr. Heater DR966 240-volt Hardwired Shop Garage Commercial Heater itself is actually a relatively small and lightweight heater for indoor use. This model does need to be plugged into an electrical outlet, but supplies enough energy to keep a room warm for as long as you would like. The full product dimensions are 14.5 x 14.5 x 13 in. while the heater itself weighs 27 lbs.

This Dr. Heater DR 966 comes with a 1-year warranty from the manufacturer and is made of steel for extra durability. It has five way adjustable louvres so you can control the air flow, and the temperature is also adjustable between several settings. One of the best features of this heater, though, is the totally enclosed, thermally protected, heavy duty ball bearing motor that is protected and responsible for transmitting heat to an area measuring 750 sq. ft.

Unlike some other models, this Dr. Heater DR 966 is portable and even comes with a convenient carrying handle so you can move it around with ease.


The DR966 is safe to use in any area. It is a hardwired heater, so it is best to hire a qualified professional to install it. You could probably do it yourself, but a professional would ensure it is installed safely and properly. The primary concern for electric heaters, both hardwired and corded, is fire. Electrical appliances are always capable of triggering a fire, although Dr. Heater takes great care to make sure their products are safe.

The DR966 includes a visual alarm that will begin to blink if the heater is becoming too hot. As with any product, this heater needs regular maintenance to ensure it is in optimal working order. Cleaning the unit regularly will prevent dust from building up and creating a fire hazard. Use a damp cloth to wipe the dust out once a week or so.

How to Use

To use this heater, you will first need to have it installed. Once it is installed it is simple to use. The heater has a switch for the high and low fan setting. The thermostat is to the right of the switch and is fully adjustable to allow you to choose the desired temperature of the room you are heating. Turning the thermostat clockwise will turn the heat to a higher setting and make the room warmer. When the room is already warm enough, you can turn the knob counterclockwise to allow the heater to stop running until the room goes below the temperature you have set the thermostat to.

This heater can be used for garages, hospitals, basements, sheds, barns, factories, warehouses, workshops, stores, schools, and more. It is powerful and reliable.

Pros and Cons

No matter how awesome a product is, there are still some pros and cons to keep in mind.


● This heater is hardwired. You do not need to trip over cords or remember batteries.
● The powerful performance allows you to heat large areas.
● There is a visual alarm that will warn you of dangerous temperatures.
● This heater runs quietly.
● The heat is even thanks to the dynamic 8-inch fan.
● The ball bearing motor is already lubricated and enclosed for safety and low maintenance.
● The movable louvers let you control the airflow in the area.
● The DR966 is one of the most affordable heaters on the market today.


● You need professional installation, which can cost a little more.
● There is no automatic shut off or loud alarms that will warn you of overheating from another room.

Electric Heater Information

Electric heaters are a great choice for the average individual because they are easy to use and don’t require a ton of know-how or energy. All you need to do is plug this model in. The energy from the electricity heats an internal filament while fans pull cold air into the machine. The air is forced over the filament, which warms the air. Another fan pushes the heated air out so it then warms the environment with little muss or fuss.

While some people prefer a propane heater for garage use, electric heaters actually possess a couple of distinct advantages over their counterparts. In particular, the electric fuel source doesn’t run out so long as the device is plugged into an outlet. You also don’t have to work with a flammable gas that poses some significant safety risks, making electric heaters preferable in garages with tons of machines and equipment.

Besides being safer, electric heaters are also simple to use and don’t need to light fires. All you need to do is plug one into the wall to get it to work. The only downside is you will see the heater’s use on your energy bill. But, if you’re working in the garage with power tools and similar equipment, the energy usage really won’t stand out.


Dr. Heater DR966 240-volt Heater is a top of the line appliance that could easily be considered the best garage heater. It runs smoothly and quietly. The heat it emits is distributed evenly throughout the area you are heating because of the quiet fan it uses and the adjustable louvers that come equipped.

The stamped steel front cover helps to keep you safe while the visual alarm will warn you of any potential problems. The thermally protected ball bearing motor requires no maintenance or lubrication. This unit only weighs 27 pounds and comes with the mounting brackets included, making it easy to mount and install anywhere it is needed. If you are in the market for a garage heater, look no further.

Charles Jasper

Charles Jasper is the owner and main author of Home Climate Center. He has a degree in Engineering and 20 years experience on working on HVAC systems. He has a passion for everything related to home improvement and loves to travel. When he is not working, you might find Jasper working on projects around the house or organizing a camping trip.

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