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Heating & Air Conditioning Booster

3.6 out of 5 stars 178 customer reviews
| 19 answered questions

Price: $40.29 & FREE Shipping on orders over $49. Details
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1 Pack
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  • Heating & Air Conditioning Booster
  • Boosts vent airflow by up to 80% quietly
  • Saves money on heating/cooling bills
  • Installs in seconds over existing register
  • Automatically switches on when airflow is sensed
18 new from $27.90 1 used from $34.47

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$40.29 & FREE Shipping on orders over $49. Details In Stock. Sold by etailz and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • Heating & Air Conditioning Booster
  • +
  • Deflecto Magnetic Vent Cover, 5" x 12", 3 Pack (MVCX512)
  • +
  • Deflecto Model 50 Premium Unbreakable Air Deflector
Total price: $54.07
Buy the selected items together

Special Offers and Product Promotions

Size Name: 1 Pack

Product Description

Size Name: 1 Pack

Depending on the season, lowering or raising your thermostat just 4° can cost an additional 5 to 0 per month. Running a booster over the same period costs about 60 cents! Just place over standard 12" x 6" floor register and plug into a 110V outlet. Fo

Product Information

Size Name:1 Pack

Technical Details

Part Number HC300
Item Weight 2 pounds
Product Dimensions 12 x 6 x 3 inches
Item model number Equalizer EQ2
Size 1 Pack
Color White
Material High-Impact ABS-Polycarbonate
Item Package Quantity 1
Batteries Included? No
Batteries Required? No

Additional Information

ASIN B0007N5LHW
Customer Reviews
3.6 out of 5 stars 178 customer reviews

3.6 out of 5 stars
Best Sellers Rank #5,163 in Home Improvements (See top 100)
#18 in Home Improvement > Building Supplies > HVAC > Ventilation Fans
#20 in Home Improvement > Kitchen & Bath Fixtures > Bathroom Fixtures > Bathroom Fixture Accessories
Shipping Weight 2.6 pounds (View shipping rates and policies)
Date First Available November 26, 2006

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Reviews

Top Customer Reviews

By B. Krueger on August 3, 2007
Size: 1 Pack
Based on the other reviews, it sounds as though the EQ2 works for some people and doesn't for others depending on their individual room and HVAC configurations. I have an upstairs room with a vaulted ceiling that is 10 degrees Fahrenheit hotter or colder than the rest of the house. The room is more than 200 sq. ft., has only one vent, and is the farthest from the blower. I've had my EQ2 now for 3 years and it is still working fine. The EQ2 brings the temperature difference down to about 4 degrees, which is livable. I tried out the AirFlow Breeze that has 2 DC fans in it but it didn't work as well as the EQ2.
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Size: 1 Pack Verified Purchase
Like everyone else I have a room that doesn't get the benefit of enough heat. Is is fed by a side duct off the main furnace duct - really a bad design because the heat on its way up three flights races past this duct and even a scoop doesn't cure the 5 degree deficit. I put this fan over one of the two outlets for this side duct, AND BLOCKED THE OTHER to prevent the fan from just pulling air from the other vent. It now has to pull from the furnace and the 5 degree difference disappeared. It is also on a thermostatic control.
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Size: 1 Pack
Works as advertised. My family recently moved into a 2-story colonial, and the airflow coming out of the vents in the master bedroom is a little weak, making it warmer than the rest of the bedrooms on the top floor. I could turn down the thermostat, but that would freeze out the rest of the house. The Suncourt (HC500) and Airflow Breeze boosted registers caught my eye, but I wanted a quick solution (i.e. no order-and-wait) and the local Home Depot had the HC300 in stock.

What can I say, but "it works". Without the HC300, the airflow (floor vents shooting upward) reached a height of 3 ft (based on holding my hand above the vent), and with the booster, it reached a perceptible height of 5 feet. With a single booster over 1 of our 2 vents, the master bedroom was noticeably cooler. In fact it worked so well that I ordered two in-vent boosters (HC500) so that I have one for each duct. The weather has cooled down, so I'm unable to compared those to the HC300, except that they are quieter.

As far as noise goes, the HC300 is not silent, but it is far quieter than a Marpac white noise machine set to the lowest setting (we use that in our baby's room). Actually, for use in a bedroom, I find the low level of white noise kinda soothing. As an added bonus, the fan in the booster doesn't turn off until the air temperature from the ductwork reaches a preset temperature. That means that after the AC (or heat) has turned off, the booster is still scavenging the remaining cool (or warm during the winter) air from the ductwork.

This is a great solution if your airflow to a room is weak, but I can imagine some circumstances (strong airflow, but warm air) where boosting the airflow won't help or you'll have a ceiling effect.
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Size: 1 Pack Verified Purchase
The unit worked flawlessly after I mounted it on a 6" X 12" wall register in a second floor bedroom. It turned on automatically when cool air started to blow from the central heat pump, and switched off when air flow stopped. It's quite noisy though, probably as loud as a room air conditioner.
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Size: 1 Pack
Since it had so many good and bad reviews, I hesitated buying it online due to return issues, but then found it at a local "big box" hardware store. I figured it was worth the risk at that point, and have been VERY satisfied with its performance.

I am using it in a 169 square foot room with vaulted ceilings (no attic above) and three exterior walls, including West and South (with windows on the West and South walls!) This room is furthest from the blower, and generally stays 6-8 degrees warmer than the adjacent room. After installing this unit that room now is within 1-2 degrees of the adjacent room and I no longer have to turn my air condictioner down so low just to cool off one room!

Pros: While some may find it noisy, it is quieter than the fan I use to circulate the air in that room, and find it no more than a background hum. It comes on automatically, which means it will only run when the AC is blowing cool air (you can bypass this option). Relatively easy to install with a long enough cord to reach far away outlets. With our HVAC configuration it has lowered the temperature of the room by around 5 degrees.

Cons: I had a typical 6x10 opening, and I did have to trim out around it to make it look more finished. While this was not necessary for function, it makes it look more complete. For a wall mount installation you need to install it so the label is upside down. I know that sounds like I am being picky, but just about everyone who has seen it has asked why I installed it upside down. Strange.
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Size: 1 Pack
I bought two register boosters several years ago and one of the two recently stopped working; could not be repaired by my engineer husband. No longer carried at local store so I ordered two online. We use them on the second floor of our home to boost heat in the winter and A/C in the summer and they work very well. Hope neither of the new ones ordered via Amazon fail!
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