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Optimus H-5300BK Quartz and convection Radiant Heater

3.6 out of 5 stars 93 customer reviews
| 7 answered questions

Price: $97.00 & FREE Shipping
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  • 4 heat settings - 375, 750, 1125 and 1500 watts
  • Automatic thermostat control
  • Large wheel base for easier movement/portability
  • Recessed carrying handle
  • Heavy gauge sheet metal cabinet
53 new from $93.99

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$97.00 & FREE Shipping In stock. Usually ships within 3 to 4 days. Ships from and sold by Tradecozone.

Frequently Bought Together

  • Optimus H-5300BK Quartz and convection Radiant Heater
  • +
  • Optimus H-5511 Infrared Quartz Radiant Heater
Total price: $123.99
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Product Description

The Optimus Quartz and convection Radiant Heater is a great money-saving alternative to heating the entire home. The unit features four heat settings--375, 750, 1125 and 1500 watts, plus automatic therrmostat control. Features power indicator light, large wheel base for easier movement and portability, and the unit features a ecessed carrying handle and convenient cord storage. The quartz and convection radiant heater is constructed of heavy gauge sheet metal cabinet and carries a one-year limited warranty.

Product Information

Product Dimensions 18.9 x 10.2 x 26.8 inches
Item Weight 19.7 pounds
Shipping Weight 17.3 pounds (View shipping rates and policies)
Department General Office Products
Manufacturer Optimus
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Item model number H-5300BK
Customer Reviews
3.6 out of 5 stars 93 customer reviews

3.6 out of 5 stars
Best Sellers Rank #858,916 in Home and Kitchen (See Top 100 in Home and Kitchen)
#715 in Home & Kitchen > Heating, Cooling & Air Quality > Space Heaters & Accessories > Space Heaters

Warranty & Support

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This item: Optimus H-5300BK Quartz and convection Radiant Heater
Customer Rating 3 out of 5 stars (93) 4 out of 5 stars (1269) 3 out of 5 stars (233) 4 out of 5 stars (2471)
Price $97.00 $49.99 $26.99 $99.99
Shipping FREE Shipping Prime Logo
Exclusively for Prime members
FREE Shipping FREE Shipping
Sold By Tradecozone Amazon.com Amazon.com Amazon.com
Color Silver/Grey Black/Gray White Cherry
Wattage Information not provided 1500 Information not provided 1500
Warranty Description One Year 1 year limited warranty 1 year limited warranty 3 years warranty
Item Weight 19.74 pounds 10.1 pounds 4 pounds 23.5 pounds
Dimensions 26.8 inches x 18.9 inches x 10.2 inches 22 inches x 27 inches x 10 inches 6.25 inches x 12.5 inches x 12.25 inches 16 inches x 13 inches x 11 inches
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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
Casters can be removed and stored within the bottom of the unit, securely for storage.
Cord has storage compartment with a closing door, which latches securely.
Four Heat settings.
Highly Effective.

Documentation is a little dated, refers to the switches on the unit being a rotary type dial control.

While the product description does mention a circulation fan, I don't see one - and frankly I'm glad it doesn't seem to have one. It's silent, totally silent. Setting switch 3 (Bottom Element) to ON (375 Watts), more than ample to heat my entire upstairs. A pleasant slow event heat.

The product isn't UL listed, but it is ETL listed. There is an overheat circuit interrupt with a button on the back of the unit, and sensitive tip over cut-off switch. Very pleased with the safety of the unit overall.

The unit functions in two ways, first is the reflective heat you can see and feel when the unit is ON; it feels like warm sunshine. Second, it functions as a convection heater; air passes through from the cold floor up through the unit and is released via a grill on the top of the unit.

Switch Layout:
Switch 3 - Bottom Element
Switch 2 - Top Two Elements
Switch 1 - Second From Bottom Element

No temperature markings, does have a very wide travel path; so accurate temperature control is very easy.

Most heaters of this type are two settings only, ~1000 Watt, and ~1500 Watt. This results in good warmth, but results in the area in front of the unit being warmer than the rest of the room.

When I purchased, there were only two reviews on this unit. One review was particularly harsh and gave a One-Star due to the misprint about the fan. I decided to take the plunge and buy the heater anyway; very glad for my decision to buy.
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Verified Purchase
This heater puts out more heat than any I ever tried, and I own 8 different types of electric space heaters. The combination infrared and convection is what I think makes this heater special. Although I cannot really put my finger on it, it seems to have a different effect on different people. For myself I set this on the lowest 375 watt setting and I am immediately warm, even in a large 21x20 Family room with a 17'2" ceiling. For my wife and my mother, they are not impressed. It needs to be on 750 watts for them to be just ok. I do not know if it is something about the infrared that does not affect everyone the same. The heat it puts out is not a gush of fan forced heat, it is more of a consistent heat that warms you immediately, I don't know how they cannot feel it. The thermometer agrees with my position on this. On high this thing will move a thermometer more than any other space heater I have, and I have some that cost me $200. Anyway, for those of you that can feel the infrared, there is absolutely no better heater and no heater more efficient. At the 375 watt setting this will have a significant savings over any other space heater and still be warm. Used in this manner, this unit will pay for itself in a month in electricity savings.
On high the top and front get very hot, heat just pours out of the top and also almost as much in the front. The infrared effect seems similar on low as it does on high, so the immediate warmth effect is not much better on high, although the thermometer sure does move more on high.
This Optimus H-5300 is very well built and appears will last a long time. It is decent looking also, and I like the switches. The different settings use different infrared tubes, so when one burns out, you can start using a different one. This should extend the longevity of this. Not sure if the quartz tubes can be replaced easily.
I highly recommend this heater.
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By Mr_D on February 8, 2011
Verified Purchase
I've used several heaters and would say this is better than most since it offers 4 levels of power output which is rather uncommon and handy for some situations.

In actual use I found the 4 power levels are not really needed though because the lower 2 settings are not strong enough to heat a room very much. So you'll probably be using the full power setting most of the time anyway.

Most radiant heater have a lot of heat output from the front while on this model most heat goes out the top. The heat is still generated but it happens to exit out the top of the unit. This will gradually heat up the room but the radiant (directional) portion of the total heat is not very strong. I'd estimate about 500 watts comes out as radiant heat through the front while 1000 watts exits out the top. This will heat a small to medium sized room nicely but it's not a very strong "radiant" heater due to how it's designed.

The heat coming out the top is quite hot and makes a bit of wind due to the hot air rising. That's why it has no fan. It doesn't need it. The air goes straight up as a column of air that rises up towards the ceiling and it really does make some wind in the process. The total heat into the room is not affected by having a fan or not.

It's basically a radiant heater with aluminum heatsinks mounted next to the radiant elements that gather most of the heat. Then natural convection blows it out the top. I'd prefer a more directional design so I can point it where I want the heat to go but it's fine overall.

Naturally you can't heat an entire garage with a single 1500 watt heater as others have observed. There is simply not enough BTU's in any 1500 watt heater to do it.
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