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$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
1
Free shipping
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
$89.99
$119.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
25% off
$89.99
$119.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$219.99
$289.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
24% off
$219.99
$289.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$159.99
$209.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
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$159.99
$209.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$109.99
$139.99
BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
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$139.99
BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$199.99
$259.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
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$199.99
$259.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$159.99
$209.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$114.95
GRAY METAL SOUTH 388 Sheet Metal Insulated Plenum Box 17-3/4 X 21 X 48 in.
Voomi Supply
$114.95
GRAY METAL SOUTH 388 Sheet Metal Insulated Plenum Box 17-3/4 X 21 X 48 in.
Voomi Supply
$269.99
$339.99
BUILDMART - 72 Inch Plenum Box For [72 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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$269.99
$339.99
BUILDMART - 72 Inch Plenum Box For [72 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$139.99
$179.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
22% off
$139.99
$179.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$89.99
$119.99
BUILDMART - 18 Inch Plenum Box For [18 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
25% off
$89.99
$119.99
BUILDMART - 18 Inch Plenum Box For [18 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$119.99
$159.99
BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
25% off
$119.99
$159.99
BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$106.65
CODY COMPANY Plenum Box, 14.25 X 30.25 X 19 In, Slant Top, Flanged Connection
Voomi Supply
$106.65
CODY COMPANY Plenum Box, 14.25 X 30.25 X 19 In, Slant Top, Flanged Connection
Voomi Supply
$286.95
$349.99
Oxbox Insulated Furnace Return Plenum
eFireplaceStore
18% off
$286.95
$349.99
Oxbox Insulated Furnace Return Plenum
eFireplaceStore
$124.99
Cody Company 046R62025 Plenum Box Dual Filter 20 in 25 in
Voomi Supply
$124.99
Cody Company 046R62025 Plenum Box Dual Filter 20 in 25 in
Voomi Supply
$89.99
$129.99
BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
30% off
$89.99
$129.99
BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$209.99
$269.99
BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
22% off
$209.99
$269.99
BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$179.99
$229.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
21% off
$179.99
$229.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$2,561.43
$3,149.99
Enervex Stainless Steel Plenum Box For RS And RSHT 14 To 16 Chimney...
eFireplaceStore
18% off
$2,561.43
$3,149.99
Enervex Stainless Steel Plenum Box For RS And RSHT 14 To 16 Chimney...
eFireplaceStore
$79.99
$104.99
BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
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$104.99
BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$79.99
$109.99
BUILDMART - 12 Inch Plenum Box For [12 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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$109.99
BUILDMART - 12 Inch Plenum Box For [12 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$129.99
$169.99
BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
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$129.99
$169.99
BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$249.99
$329.99
BUILDMART - 60 Inch Plenum Box For [60 Inch Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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$329.99
BUILDMART - 60 Inch Plenum Box For [60 Inch Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$199.99
$259.99
BUILDMART - 48 Inch Plenum Box For [48 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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$259.99
BUILDMART - 48 Inch Plenum Box For [48 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$179.99
$229.99
BUILDMART - 48 Inch Plenum Box For [48 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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$229.99
BUILDMART - 48 Inch Plenum Box For [48 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$89.99
$129.99
BUILDMART - 12 Inch Plenum Box For [12 Inch Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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$129.99
BUILDMART - 12 Inch Plenum Box For [12 Inch Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$129.99
$169.99
BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$109.99
$139.99
BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$249.99
$299.99
BUILDMART - 72 Inch Plenum Box For [72 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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BUILDMART - 72 Inch Plenum Box For [72 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$209.99
$269.99
BUILDMART - 60 Inch Plenum Box For [60 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
22% off
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$269.99
BUILDMART - 60 Inch Plenum Box For [60 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$229.99
$299.99
BUILDMART - 60 Inch Plenum Box For [60 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
23% off
$229.99
$299.99
BUILDMART - 60 Inch Plenum Box For [60 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$79.99
$104.99
BUILDMART - 12 Inch Plenum Box For [12 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
23% off
$79.99
$104.99
BUILDMART - 12 Inch Plenum Box For [12 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$142.00
Peerless PB-1 Plenum Box For CMJ450, 453, 455 And 500
Southern Electronics
$142.00
Peerless PB-1 Plenum Box For CMJ450, 453, 455 And 500
Southern Electronics
$2.59
Garvin 52151-Svt 4" Sq Chicago Plenum Junction Box 1-1/2" Deep 1/2" And 3/4" Ko's
Gordon Electric Supply
$2.59
Garvin 52151-Svt 4" Sq Chicago Plenum Junction Box 1-1/2" Deep 1/2" And 3/4" Ko's
Gordon Electric Supply
$193.57
SOUTHWARK METAL 49C242436 Adjustable Plenum, 24 X 24 X 36, Complete Chamber, Hot Dipped Galvanized Steel
Voomi Supply
$193.57
SOUTHWARK METAL 49C242436 Adjustable Plenum, 24 X 24 X 36, Complete Chamber, Hot Dipped Galvanized Steel
Voomi Supply
$9.95
Garvin Southwire 4 Square Chicago Plenum Airtight Junction Box Drawn 2-1/8 Inch Deep (8) 1 Inch Side Knockouts (52171-1-Vt)
Lite Store USA
$9.95
Garvin Southwire 4 Square Chicago Plenum Airtight Junction Box Drawn 2-1/8 Inch Deep (8) 1 Inch Side Knockouts (52171-1-Vt)
Lite Store USA
HVAC Plenum Box [Stey-by-step Guide]
HVAC Plenum Box [Stey-by-step Guide]
Sep 15, 2021
arlingtonairconditioningheating.com
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What is a Plenum Box? (Purpose on FCUs and Diffusers) - aircondlounge
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Providing Technical Services in HVAC, Plenum Box Creation, and …
Oct 20, 2021
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What is Plenum in HVAC and Why It is so Important - PICKHVAC
What is Plenum in HVAC and Why It is so Important - PICKHVAC
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4 Types of HVAC Plenums (Basics & Applications) - aircondlounge
4 Types of HVAC Plenums (Basics & Applications) - aircondlounge
Mar 26, 2024
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Shop plenum boxes

Sponsored
About our ads
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
1
Free shipping
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
$89.99
$119.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
25% off
$89.99
$119.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$219.99
$289.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
24% off
$219.99
$289.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$159.99
$209.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
23% off
$159.99
$209.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$109.99
$139.99
BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
21% off
$109.99
$139.99
BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$199.99
$259.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
23% off
$199.99
$259.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$159.99
$209.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
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$159.99
$209.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$114.95
GRAY METAL SOUTH 388 Sheet Metal Insulated Plenum Box 17-3/4 X 21 X 48 in.
Voomi Supply
$114.95
GRAY METAL SOUTH 388 Sheet Metal Insulated Plenum Box 17-3/4 X 21 X 48 in.
Voomi Supply
$269.99
$339.99
BUILDMART - 72 Inch Plenum Box For [72 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
20% off
$269.99
$339.99
BUILDMART - 72 Inch Plenum Box For [72 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$139.99
$179.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
22% off
$139.99
$179.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$89.99
$119.99
BUILDMART - 18 Inch Plenum Box For [18 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
25% off
$89.99
$119.99
BUILDMART - 18 Inch Plenum Box For [18 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$119.99
$159.99
BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
25% off
$119.99
$159.99
BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$106.65
CODY COMPANY Plenum Box, 14.25 X 30.25 X 19 In, Slant Top, Flanged Connection
Voomi Supply
$106.65
CODY COMPANY Plenum Box, 14.25 X 30.25 X 19 In, Slant Top, Flanged Connection
Voomi Supply
$286.95
$349.99
Oxbox Insulated Furnace Return Plenum
eFireplaceStore
18% off
$286.95
$349.99
Oxbox Insulated Furnace Return Plenum
eFireplaceStore
$124.99
Cody Company 046R62025 Plenum Box Dual Filter 20 in 25 in
Voomi Supply
$124.99
Cody Company 046R62025 Plenum Box Dual Filter 20 in 25 in
Voomi Supply
$89.99
$129.99
BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
30% off
$89.99
$129.99
BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$209.99
$269.99
BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
22% off
$209.99
$269.99
BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$179.99
$229.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
21% off
$179.99
$229.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers