Shop HVAC Floor Diffuser Best for Cooling

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$1,695.80
$1,971.36
Four Way Angled Face Concentric Diffuser 16.5" / 3.5" / 14" / 30" X 13" / 18" X 18" / 18" X 5" / 1000 - 2500
Advantage Mechanical Supply
13% off
$1,695.80
$1,971.36
Four Way Angled Face Concentric Diffuser 16.5" / 3.5" / 14" / 30" X 13" / 18" X 18" / 18" X 5" / 1000 - 2500
Advantage Mechanical Supply
$107.50
$134.40
DPA - Steel Perforated Face Diffuser With Insulation 6" / White / Aluminum
Advantage Mechanical Supply
20% off
$107.50
$134.40
DPA - Steel Perforated Face Diffuser With Insulation 6" / White / Aluminum
Advantage Mechanical Supply
$254.50
$318.10
Drum Style High Volume Diffuser - ITA 32X15 / White / Aluminum
Advantage Mechanical Supply
19% off
$254.50
$318.10
Drum Style High Volume Diffuser - ITA 32X15 / White / Aluminum
Advantage Mechanical Supply
$109.70
$137.20
4-Way Steel Diffuser - D4P 24X24 / White
Advantage Mechanical Supply
20% off
$109.70
$137.20
4-Way Steel Diffuser - D4P 24X24 / White
Advantage Mechanical Supply
$78.80
$98.50
DTA3 - Steel Modular Diffuser With 3 Plates And Insulation 12"X12" On 8" Duct / Metallic Gray / Steel
Advantage Mechanical Supply
19% off
$78.80
$98.50
DTA3 - Steel Modular Diffuser With 3 Plates And Insulation 12"X12" On 8" Duct / Metallic Gray / Steel
Advantage Mechanical Supply
$5,053.28
$6,063.94
Four Way Throw Right Angle Concentric Diffuser 20.5" / 14" / 70" / -" / 64" X 28" / 48" X 48" / 30" X 10" / 8700 -17500
Advantage Mechanical Supply
16% off
$5,053.28
$6,063.94
Four Way Throw Right Angle Concentric Diffuser 20.5" / 14" / 70" / -" / 64" X 28" / 48" X 48" / 30" X 10" / 8700 -17500
Advantage Mechanical Supply
$207.90
$259.90
4-Way Deflection Diffuser - DA4 24" X 24" / White / Aluminum
Advantage Mechanical Supply
20% off
$207.90
$259.90
4-Way Deflection Diffuser - DA4 24" X 24" / White / Aluminum
Advantage Mechanical Supply
$100.20
$125.30
Round Supply Ceiling Diffuser - DCF 06" / White / Aluminum
Advantage Mechanical Supply
20% off
$100.20
$125.30
Round Supply Ceiling Diffuser - DCF 06" / White / Aluminum
Advantage Mechanical Supply
$105.67
$120.30
Drum Style High Volume Diffuser Curved Grilles, Direct To Duct - T3RA 12"X08" On 14" Duct / White
Advantage Mechanical Supply
12% off
$105.67
$120.30
Drum Style High Volume Diffuser Curved Grilles, Direct To Duct - T3RA 12"X08" On 14" Duct / White
Advantage Mechanical Supply
$241.00
Spacepak AC-LSO Slot Diffuser
Skip The Warehouse
$241.00
Spacepak AC-LSO Slot Diffuser
Skip The Warehouse
$120.00
Fittes Framed Floor Vent [Luxe+], Steel HVAC Air Return Register Cover, Customizable Adjustable Increased Airflow Solution For Home Floor, 15-Min DIY
Amazon.com
4
Free shipping
$120.00
Fittes Framed Floor Vent [Luxe+], Steel HVAC Air Return Register Cover, Customizable Adjustable Increased Airflow Solution For Home Floor, 15-Min DIY
Amazon.com
$52.00
Fittes Framed Floor Vent [Lite], Minimalist ABS Plastic HVAC Air Return Register Cover, Customizable Modern Airflow Solution For Home Floor, Easy 15-
Amazon.com
526
Free shipping
$52.00
Fittes Framed Floor Vent [Lite], Minimalist ABS Plastic HVAC Air Return Register Cover, Customizable Modern Airflow Solution For Home Floor, Easy 15-
Amazon.com
$28.95
Herringbone Design Grilles, Registers, And Vents By Reggio Register
Reggio Register
$28.95
Herringbone Design Grilles, Registers, And Vents By Reggio Register
Reggio Register
$104.00
Fittes Flush Floor Vent [Luxe], Minimalist Solid Steel HVAC Air Return Register Cover, Customizable Modern Adjustable Airflow Solution For Home Floor,
Amazon.com
26
Free shipping
$104.00
Fittes Flush Floor Vent [Luxe], Minimalist Solid Steel HVAC Air Return Register Cover, Customizable Modern Adjustable Airflow Solution For Home Floor,
Amazon.com
$12.69
$14.10
2" X 10" FLOOR REGISTER WITH LOUVERED DESIGN - FIXED BLADES RETURN SUPPLY AIR GRILL - WITH DAMPER & LEVER - Black Steel - HVAC Premium
HVAC Premium
2K+
10% off
$12.69
$14.10
2" X 10" FLOOR REGISTER WITH LOUVERED DESIGN - FIXED BLADES RETURN SUPPLY AIR GRILL - WITH DAMPER & LEVER - Black Steel - HVAC Premium
HVAC Premium
$79.99
$99.99
BUILDMART - 36" White Linear Slot Diffuser - 2 Slot - Double Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
20% off
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BUILDMART - 36" White Linear Slot Diffuser - 2 Slot - Double Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$59.99
American Louver Company Stratus White Cone Diffuser With 6" Neck And R6 Insulation STR-C-6W-R6
WebstaurantStore
$59.99
American Louver Company Stratus White Cone Diffuser With 6" Neck And R6 Insulation STR-C-6W-R6
WebstaurantStore
$28.00
Madelyn Carter Cathedral Floor - Wall Registers (Cast Aluminum)
Vent Covers Unlimited
$28.00
Madelyn Carter Cathedral Floor - Wall Registers (Cast Aluminum)
Vent Covers Unlimited
$79.99
$89.99
BUILDMART - 12X12 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
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BUILDMART - 12X12 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
$59.42
$66.02
12"W X 10"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 13.75"W X 11.75"H] White - HVAC Premium
HVAC Premium
25
$59.42
$66.02
12"W X 10"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 13.75"W X 11.75"H] White - HVAC Premium
HVAC Premium
$1,228.95
F-Matic Versa Aluminum Diffuser HVAC System Black 110V W/HVAC
Worldwide Janitor
$1,228.95
F-Matic Versa Aluminum Diffuser HVAC System Black 110V W/HVAC
Worldwide Janitor
$19.42
$21.58
12"W X 6"H [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] White Steel -
HVAC Premium
17
10% off
$19.42
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12"W X 6"H [Duct Opening] 1-Way Fixed Curved Blade Air Supply Diffuser Register Vent Cover Grille [Outer Dimensions: 13.75"W X 7.75"H] White Steel -
HVAC Premium
$39.99
$49.99
BUILDMART - 12X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
26
20% off
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BUILDMART - 12X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
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$63.99
BUILDMART - 12X8 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
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$49.99
$63.99
BUILDMART - 12X8 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$55.99
Plastic Air Diffusers 1'X1' White 2-Way Grille/Damper/Box (MV2)-Airtec Airtec
1800ceiling.com
7
$55.99
Plastic Air Diffusers 1'X1' White 2-Way Grille/Damper/Box (MV2)-Airtec Airtec
1800ceiling.com
$109.99
$149.99
BUILDMART - 60" Linear Slot Diffuser - 2 Slot - Double Slot - Black Decorative Linear Air - Modern AC Vent Cover For Ceilings, Walls & Floors - Texas
Vent Cover
26% off
$109.99
$149.99
BUILDMART - 60" Linear Slot Diffuser - 2 Slot - Double Slot - Black Decorative Linear Air - Modern AC Vent Cover For Ceilings, Walls & Floors - Texas
Vent Cover
$28.95
Duncan Design Grilles, Registers, And Vents By Reggio Register
Reggio Register
$28.95
Duncan Design Grilles, Registers, And Vents By Reggio Register
Reggio Register
$34.99
$42.99
BUILDMART - 8X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
18% off
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$42.99
BUILDMART - 8X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Texas Buildmart
$85.99
$109.99
BUILDMART - 30X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
21% off
$85.99
$109.99
BUILDMART - 30X6 White Modern AC Vent Cover - Decorative Air Vent - Standard Linear Slot Diffuser - Register Grille For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$95.89
Hart & Cooley 10738 4" X 10" (Wall Opening Size) Royalaire Floor Diffuser (531 Series) | Supplyhouse.Com
SupplyHouse.com
4
$95.89
Hart & Cooley 10738 4" X 10" (Wall Opening Size) Royalaire Floor Diffuser (531 Series) | Supplyhouse.Com
SupplyHouse.com
$80.95
Herringbone Design 6" X 14" Registers, Vents, And Grilles, Black Steel, Reggio Register Model HR16-816-SBH
Reggio Register
$80.95
Herringbone Design 6" X 14" Registers, Vents, And Grilles, Black Steel, Reggio Register Model HR16-816-SBH
Reggio Register
$499.99
$999.99
AROMELY - ARO MAX - Smart HVAC Scent Diffuser Up To 16,000 Sqft - Bluetooth & Waterless
Wellbots
50% off
$499.99
$999.99
AROMELY - ARO MAX - Smart HVAC Scent Diffuser Up To 16,000 Sqft - Bluetooth & Waterless
Wellbots
$749.95
F-Matic Breza Iron Powder Coated Diffuser Black 110V W/HVAC
Worldwide Janitor
$749.95
F-Matic Breza Iron Powder Coated Diffuser Black 110V W/HVAC
Worldwide Janitor
$36.90
VEVOR 4 X 10 Inch Floor Registers 6-Pack Vent Grilles Hvac Heavy-Duty Walkable Iron Floor Vents Easily Adjustable Rust-Proof Air Vents Deflector With
VEVOR
14
$36.90
VEVOR 4 X 10 Inch Floor Registers 6-Pack Vent Grilles Hvac Heavy-Duty Walkable Iron Floor Vents Easily Adjustable Rust-Proof Air Vents Deflector With
VEVOR
$32.78
Tru Aire 4 in. H X 10 in. W 1-Way Matte Steel Floor Diffuser
Ace Hardware
1
$32.78
Tru Aire 4 in. H X 10 in. W 1-Way Matte Steel Floor Diffuser
Ace Hardware
HVAC Diffuser Sizing Guide: CFM Chart & Selection - aircondlounge
HVAC Diffuser Sizing Guide: CFM Chart & Selection - aircondlounge
Mar 26, 2024
aircondlounge.com
Return Air Vents - Here’s What You Need to Know | HVAC Training Shop
Return Air Vents - Here’s What You Need to Know | HVAC Training Shop
Jun 9, 2022
hvactrainingshop.com
HVAC Ductwork Design Guide (Layout, Duct Size & CFM) - aircondlounge
HVAC Ductwork Design Guide (Layout, Duct Size & CFM) - aircondlounge
Feb 22, 2022
aircondlounge.com
Airflow 101: Here’s how a ceiling exhaust diffuser works, how it moves air through your home, and why it’s essential for HVAC performance. #damper #basement #homediy | Home RenoVision DIY
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Airflow 101: Here’s how a ceiling exhaust diffuser works, how it moves air through your home, and why it’s essential for HVAC performance. #damper #basement #homediy | Home RenoVision DIY
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Shop HVAC Floor Diffuser Best for Cooling

Sponsored
About our ads
$1,695.80
$1,971.36
Four Way Angled Face Concentric Diffuser 16.5" / 3.5" / 14" / 30" X 13" / 18" X 18" / 18" X 5" / 1000 - 2500
Advantage Mechanical Supply
13% off
$1,695.80
$1,971.36
Four Way Angled Face Concentric Diffuser 16.5" / 3.5" / 14" / 30" X 13" / 18" X 18" / 18" X 5" / 1000 - 2500
Advantage Mechanical Supply
$107.50
$134.40
DPA - Steel Perforated Face Diffuser With Insulation 6" / White / Aluminum
Advantage Mechanical Supply
20% off
$107.50
$134.40
DPA - Steel Perforated Face Diffuser With Insulation 6" / White / Aluminum
Advantage Mechanical Supply
$254.50
$318.10
Drum Style High Volume Diffuser - ITA 32X15 / White / Aluminum
Advantage Mechanical Supply
19% off
$254.50
$318.10
Drum Style High Volume Diffuser - ITA 32X15 / White / Aluminum
Advantage Mechanical Supply
$109.70
$137.20
4-Way Steel Diffuser - D4P 24X24 / White
Advantage Mechanical Supply
20% off
$109.70
$137.20
4-Way Steel Diffuser - D4P 24X24 / White
Advantage Mechanical Supply
$78.80
$98.50
DTA3 - Steel Modular Diffuser With 3 Plates And Insulation 12"X12" On 8" Duct / Metallic Gray / Steel
Advantage Mechanical Supply
19% off
$78.80
$98.50
DTA3 - Steel Modular Diffuser With 3 Plates And Insulation 12"X12" On 8" Duct / Metallic Gray / Steel
Advantage Mechanical Supply
$5,053.28
$6,063.94
Four Way Throw Right Angle Concentric Diffuser 20.5" / 14" / 70" / -" / 64" X 28" / 48" X 48" / 30" X 10" / 8700 -17500
Advantage Mechanical Supply
16% off
$5,053.28
$6,063.94
Four Way Throw Right Angle Concentric Diffuser 20.5" / 14" / 70" / -" / 64" X 28" / 48" X 48" / 30" X 10" / 8700 -17500
Advantage Mechanical Supply
$207.90
$259.90
4-Way Deflection Diffuser - DA4 24" X 24" / White / Aluminum
Advantage Mechanical Supply
20% off
$207.90
$259.90
4-Way Deflection Diffuser - DA4 24" X 24" / White / Aluminum
Advantage Mechanical Supply
$100.20
$125.30
Round Supply Ceiling Diffuser - DCF 06" / White / Aluminum
Advantage Mechanical Supply
20% off
$100.20
$125.30
Round Supply Ceiling Diffuser - DCF 06" / White / Aluminum
Advantage Mechanical Supply
$105.67
$120.30
Drum Style High Volume Diffuser Curved Grilles, Direct To Duct - T3RA 12"X08" On 14" Duct / White
Advantage Mechanical Supply
12% off
$105.67
$120.30
Drum Style High Volume Diffuser Curved Grilles, Direct To Duct - T3RA 12"X08" On 14" Duct / White
Advantage Mechanical Supply
$241.00
Spacepak AC-LSO Slot Diffuser
Skip The Warehouse
$241.00
Spacepak AC-LSO Slot Diffuser
Skip The Warehouse
$120.00
Fittes Framed Floor Vent [Luxe+], Steel HVAC Air Return Register Cover, Customizable Adjustable Increased Airflow Solution For Home Floor, 15-Min DIY
Amazon.com
4
Free shipping
$120.00
Fittes Framed Floor Vent [Luxe+], Steel HVAC Air Return Register Cover, Customizable Adjustable Increased Airflow Solution For Home Floor, 15-Min DIY
Amazon.com
$52.00
Fittes Framed Floor Vent [Lite], Minimalist ABS Plastic HVAC Air Return Register Cover, Customizable Modern Airflow Solution For Home Floor, Easy 15-
Amazon.com
526
Free shipping
$52.00
Fittes Framed Floor Vent [Lite], Minimalist ABS Plastic HVAC Air Return Register Cover, Customizable Modern Airflow Solution For Home Floor, Easy 15-
Amazon.com
$28.95
Herringbone Design Grilles, Registers, And Vents By Reggio Register
Reggio Register
$28.95
Herringbone Design Grilles, Registers, And Vents By Reggio Register
Reggio Register
$104.00
Fittes Flush Floor Vent [Luxe], Minimalist Solid Steel HVAC Air Return Register Cover, Customizable Modern Adjustable Airflow Solution For Home Floor,
Amazon.com
26
Free shipping
$104.00
Fittes Flush Floor Vent [Luxe], Minimalist Solid Steel HVAC Air Return Register Cover, Customizable Modern Adjustable Airflow Solution For Home Floor,
Amazon.com
$12.69
$14.10
2" X 10" FLOOR REGISTER WITH LOUVERED DESIGN - FIXED BLADES RETURN SUPPLY AIR GRILL - WITH DAMPER & LEVER - Black Steel - HVAC Premium
HVAC Premium
2K+
10% off
$12.69
$14.10
2" X 10" FLOOR REGISTER WITH LOUVERED DESIGN - FIXED BLADES RETURN SUPPLY AIR GRILL - WITH DAMPER & LEVER - Black Steel - HVAC Premium
HVAC Premium
$79.99
$99.99
BUILDMART - 36" White Linear Slot Diffuser - 2 Slot - Double Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
20% off
$79.99
$99.99
BUILDMART - 36" White Linear Slot Diffuser - 2 Slot - Double Slot - Decorative Air Vent - Modern AC Vent Cover For Ceiling, Walls & Floors - Texas Buildmart
Linear Slot Diffusers
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$46.34
12.5" Round White Plastic Standard Air Grille Air Diffuser Bu Airtec Rectorseal
1800ceiling.com
$59.99
American Louver Company Stratus White Cone Diffuser With 6" Neck And R6 Insulation STR-C-6W-R6
WebstaurantStore
$59.99
American Louver Company Stratus White Cone Diffuser With 6" Neck And R6 Insulation STR-C-6W-R6
WebstaurantStore