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Model #DR-975

Store SKU #1002228198

7500-Watt 240-Volt Hardwired Shop Garage Electric Heater Wall/Ceiling Mounted with Remote Controlled Thermostat

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  • Thermal protection and lubricated motor requires less maintenance
  • Spiral steel sheath provides consistent heating
  • 240-Volt single phase 4700-Watt heater offers excellent heating
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Product Details

Need safe, comfortable, quick heat. Dr. Infrared Heater DR-975 Heavy-Duty Hardwired Shop Garage Heater can be easily installed in your new or remodeled building. This 7500-Watt heater can be the primary or auxiliary heat source ideally suited for use in garages, factories, stores, warehouses, workshops, schools, churches, hospitals, dormitories, or any exposed spaces. The DR-975 uses spiral steel metal sheath electric heating elements with low sheath temperatures, providing uniform heat and long lasting product life. Additionally, a large, matched, dynamic fan provides maximum air flow with minimum turbulence and noise, gently distributing warmth throughout your space. The heavy duty ball bearing motor is totally enclosed, thermally protected, and permanently lubricated, requiring minimal maintenance. Built-in adjustable remote-controlled thermostat allows you to set your desired temperature between 50F - 90F. If desired, an optional wall-mounted external thermostat can be wired to this heater (sold separately, does not come with heater). Rugged stamped steel front cover features 5 adjustable louvers for easy airflow control. Can be mounted on either the wall or ceiling (bracket included). Finished in a gray epoxy paint. UL and cUL Listed. 1-year parts and labor warranty.
  • Heavy duty 240-Volt single phase 4700-Watt/7500-Watt electric heater
  • Hardwired, wall or ceiling-mounted heater
  • Remote controlled thermostat with temperature range from 50 - 90F
  • 5 adjustable louvers to direct airflow
  • UL /cUL listed; timer feature
  • Heavy duty fully enclosed motor
  • Optional wall wired thermostat (sold separately)
  • Return Policy

Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

63Questions
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Q:Can I switch my DR 975 from F to C ??
by|Feb 3, 2023
1 Answer
Answer This Question

A:  I have not tried but assume YES.  It has a remote control clicker, so try there.

by|Feb 4, 2023
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    Q:Is this heater plug into 110 or 220 electricity?
    by|Jan 30, 2023
    0 Answer
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    Q:What is the BTU rating for this heater?
    by|Jan 19, 2023
    0 Answer
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    Q:Instructions say use 16awg wires for external thermostat so I think it doesn't need line voltage thermostat. Does that mean you can use a nicer thermostat like Honeywell RLV4305A even though it says it has a max of 3500w. 16awg has max of 1650w anyway.
    by|Jan 7, 2023
    3 Answers
    Answer This Question

    A:  Responding w/update. Programmable line voltage t-stat won't work as external t-stat wires don't provide power. Solution is use 24v t-stat powered by 24v transformer from separate 120 circuit that powers 24v coil/120 relay to complete heater t-stat circuit

    by|Jan 30, 2023

      A:  First off, I am not a pro, but an accomplished contractor of 50 years. There are companies on the net that are set up to answer these technical questions but if it helps, I think there's two different apples here. The heater is 3500w and yes I think I'd be okay adding a 'nicer' thermostat because it's not changing anything. No the thermostat is not line voltage, but I believe the manufacturer's instructions says to use thermostat wire for distal locations. Now as a DIY'er I'd ask why you want to put a nicer thermostat? Two rules for any project is Form and Function, so if your thermostat is both to you, then use it. If you want nicer form then validate it in your own mind and install what you decide on because function is a given, location, location, location is the most important thing for placement for function. Probably doesn't help much but it's a solid answer.

      by|Jan 9, 2023

        A:  The external thermostat means its is not part of the load and controls only the relay. 16 gage is acceptable in this case. The heater may only have a two wire break not giving you the ability to use a WIFI thermostat. Read the instructions before attempting a WIFI Thermostat. You will not have the common required for the WIFI.

        by|Jan 9, 2023
          Showing 1-4 of 63
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          Customer Reviews

          4.1 out of 5
          (147)
          • 4.1
            out of 147 reviews
          • 82%recommend this product
          Filter by:
          Showing 1-10 of 147 reviews
          Heats our three car garage wonderfully
          We have one single-bay door and one double door, both insulated and our outside walls are 2 x 4 with standard fiberglass insulation. And we also have three windows in our garage. This unit does a great job of keeping the temperature about 55 degrees and, when I want it a little warmer to work out there, I just bump it up a bit. I haven't had it long enough to determine the electrical usage but I would expec my bill will increase. (We live in an area with reasonable rates). I made a couple of modifications to mine. Added a box to the back to make connections a bit easier and hung mine so that I could rotate the airflow if I choose. I just used a nylon bushing, a couple of stainless washers and the bolt that was sent with the unit. The thermostat can be mounted in a shallow surface box, if you choose that. (Or a standard recessed box). I searched a long time before deciding what to purchase and evaluated both gas and electric heaters. Glad I landed with this guy.
          by
            • Recommended
            2 found this review helpful
            Honest review about these heaters
            I bought 2 of the 7500 watt heaters for my detached shop. It's two bays, with a dividing wall. Big bay is 20 x 40, with 13 foot ceiling. Small bay is 16 x 36 with 11 foot ceiling. It's insulated and interior is sheeted with osb. Ceiling is also insulated and has a plastic sheeting instead of wood or drywall (it was much quicker and cheaper). These heaters use 8 gauge wiring and double pole 40 amp breakers. Let me say the 8 gauge wiring is expensive and tough to work with, as it's not very flexible and it's very thick. I started by running the wiring in rigid conduit, into wall, panel, etc. I left a chunk of wiring stubbed out where I was planning to mount heaters. When I went to wire the first heater, I couldn't do it while it was mounted 13 feet in the air. Between the tiny opening on back of heater, large, thick 8 gauge wires and wiring in flexible conduit, I just couldn't get the wires connected to the heater. I ended up pulling out all my wiring, then prewiring heater on workbench, then re- hanging it and re-running all the wiring. It sucked! When I fired up the heater, it all worked great. After about 2 minutes, it shut down. I followed trouble shooting instructions, but found it would not stay running on the high mode......so basically I spent all that time and money, and extra big wiring for a 4700 watt heater. I called the company and it took a couple days and conversations with several people to resolve the matter. Basically they said they had some units assembled with the wrong parts, so they wouldn't operate on high mode. They sent me out 2 new units (with correct parts) and included shipping labels to return old units. I pulled everything apart and installed the new units. They've only been running for a couple hours, but seem to be operating correctly. I'm not sure how expensive they will be, but hoping they will be more cost effective than the two 1500 watt portable heaters I had been using for past month. I'm in Montana and Temps have been in the 20's a lot during last month. My electric bill went up about $60 last month running those 1500 watt heaters a lot. I'm not using external thermostats. I'm sure they would be more accurate, but the in- unit ones are fine. You just need to find temp you like and use that. As an example, my heaters are mounted near ceiling, in corner of bays. I set thermostat for 55 degrees, to keep shop a little warmer during cold. That way I can get it warmed up quicker if I am out there working. If I leave the heaters on 55 degrees, the shop won't ever get that warm, as the heat stays in the high corner, so heater shuts off when it senses 55 degrees. I find that running a small fan somewhere in front of heaters helps to pull heat away and get heater to run more accurately as far as overall shop temp. I just run a small fan on a timer to help with this. Overall they seem to be well built and produce decent heat. I don't think they will compare to like a wood stove, or larger system, but for the cost, they will keep the shop usable during winter months. Installing is pretty straight forward, with some basic electrical skills.
            by
              • Recommended
              5 found this review helpful
              This is a very nice heater with great features! Powerful heat, especially for a large garage! I l...
              This is a very nice heater with great features! Powerful heat, especially for a large garage! I love the remote control, also. Now I enjoy going in my garage while it is freezing outdoors!
              by
              • Verified Purchase
              • Recommended
              3 found this review helpful
              First off, this should be installed by a licensed electrician. I also had the wall thermostat ins...
              First off, this should be installed by a licensed electrician. I also had the wall thermostat installed to control the temperature. The way mine got mounted to the ceiling allows the unit to rotate if needed, but the directions make it look like it needs to be mounted in the forward position in line with the mount. In planning for it to be rigid mounted, we installed the mount at a 45 degree angle diagonally across the garage. This was to try to evenly disperse the heat across the garage and seems to work as planned. The unit heats our 24’x24’ garage with ease. The only trouble I’ve had is that the unit self powers off when I run it in the high power mode. When the garage was nothing but open studs it could run continuously on high, but as soon as drywall went in it started shutting off by itself. I tried the low power setting and now it runs without a problem. I think on high the unit was heating the area too fast and the heater would sense it and shut off. Even if you want to use the wall thermostat you need to keep the remote control to power the unit on for the first time or if it shuts itself off for any reason. This is also how you set low/high power and set a timer on the device. Overall this is a great electric garage heater and would buy it again.
              by
                • Recommended
                10 found this review helpful
                Perfect for me .work grate in my garage 26x18..
                Perfect for me .work grate in my garage 26x18..
                by
                • Verified Purchase
                • Recommended
                3 found this review helpful
                Garage is 20' x 20' x 9' with one uninsulated...
                Garage is 20' x 20' x 9' with one uninsulated outside wall and a "insulated" 16-foot garage door. Issue: The bracket that comes with the unit was mounted to a wall such that the top of the unit was ~2' from the ceiling. The bracket fixes the distance from the wall to 12" which results in a 6-8" space between wall and the back of the heater, its air intake. When at 68°F the heat build-up at the ceiling caused the unit's temperature to rise to >75°F which increased the time interval between heating cycles and the temperature swings at the workbench. When the bracket was extended so the air intake was ~20" away from the wall the frequency of the >75°F readings did reduced, but a fan was needed to recirculate the air around the heater to eliminate the issue.
                by
                • Verified Purchase
                This heater is very effective and was simple to install....
                This heater is very effective and was simple to install. The price was the best of many options, too.
                by
                • Verified Purchase
                by
                • Verified Purchase
                Very powerful for our room
                Very powerful. Originally bought two of them, but one will be strong enough so returning the other.
                by
                • Verified Purchase
                poor design
                Fan speed is grossly inadequate which causes the heat to be trapped in housing giving extremely high thermostat readings. You must purchase a seperate wall thermostst
                by
                  • Recommended
                  Showing 1-10 of 147 reviews

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