Variable-Speed Exhaust Fans

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47 Products

About Exhaust Fans

About Sound Levels

To choose an alarm or speaker that’s loud enough, first determine the decibel (dB) rating of background noise.

About Sound Levels

Measured in decibels (dB), volume ratings indicate how much noise equipment makes. Some common volume levels include a whisper @ 20 dB, a refrigerator @ 40 dB, a conversation @ 60 dB, and a light machine shop @ 90 dB. OSHA recommends hearing protection for exposure to 80 dB and greater.

Direct-Drive Upblast Roof-Mount Exhaust Fans

Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance. These exhaust fans draw stagnant and humid air out through your roof and then expel it up and away from the roof surface. All fans have a disconnect switch to turn off the power for servicing.

Fans with a brushless motor have advanced electronic controls that allow them to precisely operate at wide range of speeds, making them more efficient, quieter, and longer lasting than fans with a standard motor.

Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.

Fans
						Overall									Mounting Bases
	Blade Dia.	Airflow @ Static Pressure	Volume	Motor Speed, rpm	Power, hp	Dia.	Ht.	Base Wd.	Wt., lbs.	Max. Ambient Temp., °F	Housing Material	Specifications Met		Each		Each
Open Dripproof Motor Enclosure
120V AC, Single Phase—Hardwire
1	9"	300 cfm @ 1/2 in. of H₂O 400 cfm @ 0 in. of H₂O	54 dBA @ 5 ft.	1,300	1/32	17 3/4"	14 1/2"	19"	40	120°	Aluminum	AMCA Certified, ETL Listed	0000000	0000000	0000000	0000000
1	11"	400 cfm @ 1/2 in. of H₂O 710 cfm @ 0 in. of H₂O	60 dBA @ 5 ft.	1,625	3/16	22"	18"	19"	43	300°	Aluminum	AMCA Certified, ETL Listed	0000000	000000	0000000	000000
1	11 3/4"	750 cfm @ 1/2 in. of H₂O 1,050 cfm @ 0 in. of H₂O	59 dBA @ 5 ft.	1,300	1/4	25 1/2"	25 1/4"	21"	67	300°	Aluminum	AMCA Certified, ETL Listed	0000000	000000	0000000	000000
1	12"	1,100 cfm @ 1/2 in. of H₂O 1,300 cfm @ 0 in. of H₂O	68 dBA @ 5 ft.	1,625	1/3	25 1/2"	25 1/4"	21"	50	300°	Aluminum	AMCA Certified, ETL Listed	0000000	000000	0000000	000000
1	13 3/4"	1,500 cfm @ 1/2 in. of H₂O 1,950 cfm @ 0 in. of H₂O	68 dBA @ 5 ft.	1,475	1/2	28 7/8"	27 1/4"	21"	78	300°	Aluminum	AMCA Certified, ETL Listed	0000000	000000	0000000	000000
1	16"	2,450 cfm @ 1/2 in. of H₂O 2,900 cfm @ 0 in. of H₂O	69 dBA @ 5 ft.	1,625	3/4	31 7/8"	30 1/2"	24 3/4"	80	300°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
208-230V AC, Three Phase—Hardwire
1	18 3/4"	3,750 cfm @ 1/2 in. of H₂O 4,100 cfm @ 0 in. of H₂O	68 dB @ 5 ft.	1,150	2	37 3/8"	33 3/4"	28"	184	300°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
1	20 3/4"	5,900 cfm @ 1/2 in. of H₂O 6,450 cfm @ 0 in. of H₂O	85 dBA @ 5 ft.	1,425	5	37 3/8"	33 1/4"	28"	221	300°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
1	24"	7,000 cfm @ 1/2 in. of H₂O 7,750 cfm @ 0 in. of H₂O	72 dBA @ 5 ft.	900	3	41 7/8"	37 1/2"	33"	312	300°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
1	30"	9,500 cfm @ 1/2 in. of H₂O 10,500 cfm @ 0 in. of H₂O	71 dBA @ 5 ft.	725	5	51 1/4"	44"	40"	497	300°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
Totally Enclosed Motor Enclosure—Brushless Motor
120V AC, Single Phase—Hardwire
1	11 3/4"	1,050 cfm @ 1/2 in. of H₂O 1,300 cfm @ 0 in. of H₂O	70 dBA @ 5 ft.	1,575	1/3	25 1/2"	25 1/4"	21"	64	300°	Aluminum	AMCA Certified, ETL Listed	0000000	000000	0000000	000000
1	13 3/4"	1,550 cfm @ 1/2 in. of H₂O 2,000 cfm @ 0 in. of H₂O	69 dBA @ 5 ft.	1,500	1/2	28 7/8"	27 1/4"	21"	71	300°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
1	15 3/4"	2,850 cfm @ 1/2 in. of H₂O 3,200 cfm @ 0 in. of H₂O	72 dBA @ 5 ft.	1,550	1	31 7/8"	30 1/2"	24 3/4"	87	300°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000

Direct-Drive Downdraft Roof-Mount Exhaust Fans

Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance. More economical than upblast roof-mount exhaust fans, these draw stagnant and humid air out through your roof and then direct it back toward the roof. All fans have a disconnect switch to turn off the power for servicing.

Fans with a brushless motor are more efficient than fans with a standard motor. They operate at a wide range of speeds for precise speed control and greater energy savings. They’re also quieter and have a longer lifespan because of their advanced electronic controls.

Note: Airflow depends on the resistance created by ductwork. This resistance, known as static pressure (SP), is measured in inches of water.

For technical drawings and 3-D models, click on a part number.

Fans
						Overall									Mounting Bases
	Blade Dia.	Airflow @ Static Pressure	Volume	Motor Speed, rpm	Power, hp	Dia.	Ht.	Base Wd.	Wt., lbs.	Max. Ambient Temp., °F	Housing Material	Specifications Met		Each		Each
Totally Enclosed Motor Enclosure—Brushless Motor
120V AC, Single Phase—Hardwire
2	12"	1,000 cfm @ 1/2 in. of H₂O 1,300 cfm @ 0 in. of H₂O	66 dBA @ 5 ft.	1,575	1/3	26 1/4"	19 1/8"	21"	54	120°	Aluminum	AMCA Certified, ETL Listed	0000000	0000000	0000000	0000000
2	14"	1,900 cfm @ 1/2 in. of H₂O 2,300 cfm @ 0 in. of H₂O	68 dBA @ 5 ft.	1,525	1/2	29 3/4"	21 3/4"	21"	61	120°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
2	16"	2,850 cfm @ 1/2 in. of H₂O 3,300 cfm @ 0 in. of H₂O	71 dBA @ 5 ft.	1,525	1	33 1/4"	23 3/8"	24"	74	120°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
Open Dripproof Motor Enclosure
120V AC, Single Phase—Hardwire
2	9"	100 cfm @ 1/2 in. of H₂O 400 cfm @ 0 in. of H₂O	50 dBA @ 5 ft.	1,250	1/32	20 3/4"	14 1/2"	19"	40	120°	Aluminum	AMCA Certified, ETL Listed	0000000	000000	0000000	000000
2	16"	2,600 cfm @ 1/2 in. of H₂O 3,100 cfm @ 0 in. of H₂O	70 dBA @ 5 ft.	1,450	3/4	33 1/4"	23 3/8"	24"	77	120°	Aluminum	AMCA Certified, ETL Listed	0000000	000000	0000000	000000
208/230V AC, Three Phase—Hardwire
3	19"	4,500 cfm @ 1/2 in. of H₂O 5,000 cfm @ 0 in. of H₂O	75 dBA @ 5 ft.	1,300	2	38 15/16"	32 3/4"	28"	189	120°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
3	21"	6,200 cfm @ 1/2 in. of H₂O 6,700 cfm @ 0 in. of H₂O	82 dBA @ 5 ft.	1,400	5	38 15/16"	32 1/4"	28"	201	120°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
3	24"	8,100 cfm @ 1/2 in. of H₂O 9,000 cfm @ 0 in. of H₂O	73 dBA @ 5 ft.	925	3	43 7/16"	37 1/4"	33"	288	120°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
3	30"	10,400 cfm @ 1/2 in. of H₂O 11,500 cfm @ 0 in. of H₂O	69 dBA @ 5 ft.	700	5	52 13/16"	44"	40"	467	120°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000
3	36"	11,000 cfm @ 1/2 in. of H₂O 13,500 cfm @ 0 in. of H₂O	64 dBA @ 5 ft.	450	5	63 5/16"	49 1/2"	44"	532	120°	Aluminum	AMCA Certified, ETL Listed	0000000	00000000	0000000	000000

Interior-Wall-Mount Lavatory Exhaust Fans

Also known as a room-to-room exhaust fan, this fan exhausts air and humidity directly into another room without using duct.

Energy efficiency requirements restrict sales to the listed areas.

For technical drawings and 3-D models, click on a part number.

		Guard		For Opening
Airflow, cfm	Volume, dBA	Lg.	Wd.	Ht.	Wd.	For Wall Thick.	No. of Speeds	Control Type	Housing Material	Features	Specifications Met	Cannot Be Sold To		Each
120V AC, Single Phase—Hardwire
180	50	13 1/2"	13 1/2"	11 1/2"	11 1/2"	3"-5 1/2"	Variable	Knob	Steel	Adjustable Mounting Sleeve	UL Listed	CO, DC, MA, MD, NJ, NV, NY, OR, RI, VT, WA	0000000	0000000

Motion-Activated Ceiling-Mount Lavatory Exhaust Fans

When a room is occupied, these fans detect the motion and turn on. Set them to turn off anywhere from 30 seconds to 80 minutes after motion is no longer detected. They also sense humidity levels in the room and turn the fan on until the humidity level falls below a set percentage. You can set them to a maximum of 80% relative humidity.

Fans

			Guard		For Opening
For Duct Wd.	Airflow, cfm	Volume, dBA	Lg.	Wd.	Lg.	Wd.	Dp.	Housing Material	Mount. Fasteners Included	Mount. Hole Dia	Features		Each
For Round Duct
120V AC, Single Phase—Hardwire
6"	130	23	14 1/4"	14 1/4"	13"	12 7/8"	9 7/8"	Steel	No	3/8"	Backdraft-Preventing Damper	0000000	0000000

Fans with Built-In LED

			Guard		For Opening
For Duct Wd.	Airflow, cfm	Volume, dBA	Lg.	Wd.	Lg.	Wd.	Dp.	Housing Material	Mount. Fasteners Included	Mount. Hole Dia	Features		Each
For Round Duct
120V AC, Single Phase—Hardwire
6"	130	23	17"	15 7/8"	13"	12 7/8"	9 7/8"	Steel	No	3/8"	Backdraft-Preventing Damper, Light	0000000	0000000

Direct-Drive Exhaust Fans

With fewer moving parts than belt-drive fans, these direct-drive exhaust fans require less maintenance. They have a built-in grease pan to collect waste while cooking. Mount these fans directly to your roof with the attached mounting brackets. They meet UL standards for ventilation in residential, commercial, and institutional kitchens.

For technical drawings and 3-D models, click on a part number.

Totally Enclosed Motor Enclosure
Blade Dia.	Airflow @ Static Pressure	Volume	Motor Speed, rpm	No. of Speeds	Power, hp	Overall Ht.	Base Wd.	Max. Ambient Temp., °F	Housing Material	Blade Material	Features	Specifications Met		Each
120V AC, Single Phase—Hardwire
12"	1,250 cfm @ 1/2 in. of H₂O 1,500 cfm @ 0 in. of H₂O	64 dB @ 5 ft.	1,725	Variable	1	51 1/8"	29 1/2"	350°	Steel	Aluminum	Grease Pan	UL 705, UL 762, ULC-S645, ETL Listed	0000000	000000000
14"	2,100 cfm @ 1/2 in. of H₂O 2,500 cfm @ 0 in. of H₂O	66 dB @ 5 ft.	1,650	Variable	1	55 3/8"	31"	350°	Steel	Aluminum	Grease Pan	UL 705, UL 762, ULC-S645, ETL Listed	0000000	00000000
Open Dripproof Motor Enclosure
208V AC, Three Phase—Hardwire
16"	3,000 cfm @ 1/2 in. of H₂O 3,500 cfm @ 0 in. of H₂O	71 dB @ 5 ft.	1,650	Variable	1 1/2	59 3/4"	32 5/8"	350°	Steel	Aluminum	Grease Pan	UL 705, UL 762, ULC-S645, ETL Listed	0000000	00000000
19"	3,800 cfm @ 1/2 in. of H₂O 4,500 cfm @ 0 in. of H₂O	76 dB @ 5 ft.	1,175	Variable	1 1/2	66 1/8"	37 1/2"	350°	Steel	Aluminum	Grease Pan	UL 705, UL 762, ULC-S645, ETL Listed	0000000	00000000
21"	5,000 cfm @ 1/2 in. of H₂O 5,500 cfm @ 0 in. of H₂O	77 dB @ 5 ft.	1,275	Variable	3	71 7/8"	38 1/4"	350°	Steel	Aluminum	Grease Pan	UL 705, UL 762, ULC-S645, ETL Listed	0000000	00000000
25"	5,500 cfm @ 1/2 in. of H₂O 6,500 cfm @ 0 in. of H₂O	72 dB @ 5 ft.	900	Variable	3	80 3/8"	49 1/4"	350°	Steel	Steel	Grease Pan	UL 705, UL 762, ULC-S645, ETL Listed	0000000	00000000
31"	7,000 cfm @ 1/2 in. of H₂O 8,500 cfm @ 0 in. of H₂O	72 dB @ 5 ft.	675	Variable	5	85 7/8"	52 1/4"	350°	Steel	Steel	Grease Pan	UL 705, UL 762, ULC-S645, ETL Listed	0000000	00000000
37"	12,000 cfm @ 1/2 in. of H₂O 14,000 cfm @ 0 in. of H₂O	72 dB @ 5 ft.	575	Variable	7 1/2	93 1/4"	59"	350°	Steel	Steel	Grease Pan	UL 705, UL 762, ULC-S645, ETL Listed	0000000	00000000

Smoke Removal Blowers

Quickly ventilate smoke, gas, and other fumes by forcing fresh air into your space instead of exhausting air out. These fans improve air quality and manage temperature and moisture levels.

Blowers with an aluminum housing are easy to roll and lift. Blowers with a plastic housing have good corrosion resistance.

Battery-Powered Blowers

Mobile

Portable

					Overall						Battery Charger
Airflow, cfm	Volume	Motor Speed, rpm	No. of Speeds	Power, hp	Ht.	Wd.	Dp.	Wt., lbs.	Run Time, min.	Batteries Included	Included	Voltage	Temp. Range, °F	Housing Material	Environmental Rating		Each
Mobile—Totally Enclosed Motor Enclosure
10,800	73 dBA @ 15 ft.	3,200	Variable	3/4	24 3/8"	22 7/8"	11 3/4"	51	45	Yes	Yes	120V AC	0° to 110°	Powder-Coated Aluminum	IP65	0000000	000000000
Portable—Totally Enclosed Motor Enclosure
10,900	73 dBA @ 15 ft.	2,350	Variable	3/4	21"	22"	11"	51	50	Yes	Yes	120V AC	0° to 110°	Plastic	IP66	0000000	00000000
10,900	73 dBA @ 15 ft.	2,350	Variable	3/4	21"	22"	11"	51	50	Yes	Yes	240V AC	0° to 110°	Plastic	IP66	0000000	00000000

Replacement Batteries for Mobile Battery-Powered Blowers

Lithium Ion (Li-Ion)
Voltage	Cap., amp-hrs.		Each
20V DC/60V DC	9	000000000	0000000

Replacement Batteries for Portable Battery-Powered Blowers

Lithium Ion (Li-Ion)
Voltage	Cap., amp-hrs.		Each
48V DC	12.5	0000000	000000000