The Greenhouse heater was not what I expected, but was just what I needed for my greenhouse. My greenhouse is 6x8 feet. It is not a typical heater, in that it blows warm air and not hot air. I think that hot air would toast my plants in the greenhouse. We had 22 degree temps last week. I set the thermostat just like the instructions stated. The low thermostat was set when the temps outside were about 45 degrees and I watched the temp maintained between 42 and 48 degrees maintained during the freeze here in Houston. I have a remote temp sensor that I can see in the house. I know....I know, for some of you that is not very cold. Sorry....
I am using an extension cord for power and I read the warnings, but what else am I going to do? Since, as sated above, the heated blows warm air instead of hot air, then the power requirements should be less. The heater is using less power to produce warm air and not hot air. An extension cord may not be the best option, but is shouldn't be a dangerous option. Just be sure that you use a good quality cord and maybe a cord with 12 gage wire instead of 14 gage.
I bought my greenhouse to keep stored plants (plumeria) from freezing in the winter rather that growing plants. I have a big lack of storage place for
my plants elsewhere. Anyway...I am very happy. Hope my review was a help.
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From the manufacturer
Dr. Heater DR218-1500W Greenhouse Garage Workshop Infrared Heater
Product Description
During the winter when outside temperatures drop below freezing, using a greenhouse heater can keep your plants from the freeze. The Dr. Infrared Heater DR218 Greenhouse Heater is a professional choice for your tender plants. This incredible heater uses a fan-forced air technology that can provide a reliable and efficient heat source to your greenhouse plants. Permanently lubricated for life, it uses a totally enclosed, thermally protected and heavy duty ball bearing motor that provides long-lasting performance with very little maintenance required. It has a precision temperature sensor with a built-in over-heat protection and adjustable thermostat control, which allows you to create the best climate for your plants. Order one today and protect your tender plants from becoming a frozen, soggy mush.
Feature
- Very little maintenance required
- Light weight and portable
- IPX4 structure; protected against water splashing
- Keeping your tender plants warm and thrive in the best climate
- 1500W or 3000W
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|---|---|---|---|---|---|---|
| Customer Rating | (487) | (808) | (278) | (18) | (781) | (154) |
| Price | $106.20 | $159.99 | $73.19 | $144.85 | $132.00 | $299.99 |
| Sold By | Amazon.com | Amazon.com | Amazon.com | Amazon Warehouse | iLIVING USA | Amazon.com |
| Color | Black, Green | Green | Black | Black | Cherry | stainless steel |
| Item Dimensions | 10 x 10 x 15 inches | 11 x 8 x 12.5 inches | 12.4 x 8.3 x 13.8 inches | 12.4 x 8.3 x 13.8 inches | 13 x 12 x 15 inches | 18 x 15 x 11 inches |
Customer Questions & Answers
Customer reviews
Top reviews from the United States
There was a problem filtering reviews right now. Please try again later.
Reviewed in the United States on January 5, 2018
Size: 120V / 1500WVerified Purchase
Reviewed in the United States on January 4, 2018
Size: 120V / 1500WVerified Purchase
Reviewed in the United States on November 19, 2015
Size: 220V / 3000WVerified Purchase
Piece of Crap
By Tim H. on November 19, 2015
I live in Texas so it doesn't get that cold here.Maybe 3 months out of the year the temperature will drop 30 degrees or less,and that only lasts for a few days.Built my wife a greenhouse to store her plants during the colder months.I also had an electrician wire the greenhouse with 110 plugs and a switch for lights.Also had him wire a 220 outlet.Bought this product Dec.5th when a frost was due to hit our area last year.First one lasted a week.Manufacturer did honor the 30 day money back.I just sent it back and asked for a replacement which they did.Replacement unit worked fine during last winter season.Yesterday I got the unit out of storage in my garage and the thing won't work at all.Checked the fuses and checked the outlet and they are fine.Its the unit itself thats not working.This product is a piece of crap.DO NOT buy this unit.I recommend you look elsewhere for a greenhouse heater.updated 12/14/2015.Been dealing with Dr.Heater online for them to honor their 1 yr.warranty.Sent me 1 part out of three I needed to fix the damn thing.They won't return my e-mails.update:12/19/2015-Still no answer from them.Worthless junk and worthless company.
By Tim H. on November 19, 2015
Images in this review
Reviewed in the United States on February 25, 2018
1500 Watts is 12.5 Amps and that is really a lot of power in a heater because any defect will overheat and melt. The contacts in the thermostat are apparently rated for the load but are poor quality and apparently can't take repeated cycling of that much power.
There is a thermal fuse built in which is good and probably explains why some units stopped making heat but continued to blow air. It saved the unit from a full melt down but is considered trashed. Replacement thermal fuses are not easily installed.
I rewired using 14 AWG marine grade wire, crimped and soldered connections and a heavy cord and plug. I reconnected the thermal fuse but took out the thermostat and switch. That removes the problem areas completely. Again, this setup is for use with a good external thermostat. The fan should run continuously while in operation.
A few weeks later, I ordered another unit and rewired it differently. I used an HVAC contactor (Eaton C25BNB230A). This contactor is designed for repeatedly cycling a 30 amp load. The original built in thermostat and switch drive the contactor and fan and now has much less power going through them. As before, I upgraded the connections and wire. See my photo. Later, I wired in a GGXAC1F480 NOsparc Arc Suppressor to protect the contacts. Now this is a 5 star product.
These modifications are not something you should attempt unless you have electrician skills.
The good news is the price on open box returns keeps going down so I bought a couple more and rewired them too.
Size: 120V / 1500WVerified Purchase
Could have been a great product
By XMFJ4338 on February 25, 2018
This heater has an all metal case, heavy heating element and quality fan. That is hard to find in 120V heaters. Unfortunately there are significant bad reviews with photos of wires melting, thermostat burning, etc. Anything that burns up out of the box has to get 1 star and probably explains why it got discontinued. So when I received my heater I immediately took it completely apart and rewired it for use with an external line voltage thermostat (Peco TF115-001).By XMFJ4338 on February 25, 2018
1500 Watts is 12.5 Amps and that is really a lot of power in a heater because any defect will overheat and melt. The contacts in the thermostat are apparently rated for the load but are poor quality and apparently can't take repeated cycling of that much power.
There is a thermal fuse built in which is good and probably explains why some units stopped making heat but continued to blow air. It saved the unit from a full melt down but is considered trashed. Replacement thermal fuses are not easily installed.
I rewired using 14 AWG marine grade wire, crimped and soldered connections and a heavy cord and plug. I reconnected the thermal fuse but took out the thermostat and switch. That removes the problem areas completely. Again, this setup is for use with a good external thermostat. The fan should run continuously while in operation.
A few weeks later, I ordered another unit and rewired it differently. I used an HVAC contactor (Eaton C25BNB230A). This contactor is designed for repeatedly cycling a 30 amp load. The original built in thermostat and switch drive the contactor and fan and now has much less power going through them. As before, I upgraded the connections and wire. See my photo. Later, I wired in a GGXAC1F480 NOsparc Arc Suppressor to protect the contacts. Now this is a 5 star product.
These modifications are not something you should attempt unless you have electrician skills.
The good news is the price on open box returns keeps going down so I bought a couple more and rewired them too.
Images in this review
Top reviews from other countries
Eduard C. Neufeld
Good little Greenhouse heater
Reviewed in Canada on March 9, 2016Size: 120V / 1500WVerified Purchase
dustin
Didnt even heat up a foot in front of it
Reviewed in Canada on November 8, 2019Size: 120V / 1500WVerified Purchase
