Shop plenum boxes

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$249.99
$329.99
BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
24% off
$249.99
$329.99
BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$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
$169.99
$229.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
26% off
$169.99
$229.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$139.99
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
22% off
$139.99
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$552.00
Chief Plenum Rated Ceiling Enclosure Storage Box (White, 2X2')
B&H Photo-Video-Pro A
Free shipping
$552.00
Chief Plenum Rated Ceiling Enclosure Storage Box (White, 2X2')
B&H Photo-Video-Pro A
$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
$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
$99.99
$129.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
23% off
$99.99
$129.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 2 Slot - Double 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
$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
$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
23% off
$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
$249.99
$299.99
BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
16% off
$249.99
$299.99
BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$2,702.70
$3,329.99
Enervex Stainless Steel Plenum Box For RS And RSHT 14 To 16 Chimney Fans 227-0100-0016
eFireplaceStore
18% off
$2,702.70
$3,329.99
Enervex Stainless Steel Plenum Box For RS And RSHT 14 To 16 Chimney Fans 227-0100-0016
eFireplaceStore
$725.60
Chief Plenum-Rated Storage Box With 2-Gang Filter & Surge (2X2', White)
B&H Photo-Video-Pro A
Free shipping
$725.60
Chief Plenum-Rated Storage Box With 2-Gang Filter & Surge (2X2', White)
B&H Photo-Video-Pro A
$198.00
Knockdown Supply Plenum W/ Top 90G36h 24.5"X 20"X36" For 24.5" Wide
eBay
Free shipping
$198.00
Knockdown Supply Plenum W/ Top 90G36h 24.5"X 20"X36" For 24.5" Wide
eBay
$120.28
$208.02
Mcdaniel Metals 21X20X36RF1/2 21 Inch X 20 Inch X 36 Inch Long Insulated Sheet Metal Return Air Plenum With 1/2 Inch Flange
Voomi Supply
42% off
$120.28
$208.02
Mcdaniel Metals 21X20X36RF1/2 21 Inch X 20 Inch X 36 Inch Long Insulated Sheet Metal Return Air Plenum With 1/2 Inch Flange
Voomi Supply
$549.00
Supply And Return Plenum Kit 74G36h/Fb1728 W/ Box & Filter 17.5"
eBay
$549.00
Supply And Return Plenum Kit 74G36h/Fb1728 W/ Box & Filter 17.5"
eBay
$584.20
20 in. X 25 in. Dual Filter Plenum Kit - R6 Insulated
Home Depot
Free shipping
$584.20
20 in. X 25 in. Dual Filter Plenum Kit - R6 Insulated
Home Depot
How to completely assemble a Vertical Plenum Box for HVAC
10:18
How to completely assemble a Vertical Plenum Box for HVAC
26.3K viewsJan 23, 2023
YouTubeghvac tech
How To: Fabricate A Plenum Box With BASIC Hand Tools | HVAC Ductwork
15:54
Find in video from 06:23Assembling the Box
How To: Fabricate A Plenum Box With BASIC Hand Tools | HVAC D…
657.9K viewsSep 28, 2021
YouTubeQuality HVACR
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20:40
Find in video from 04:00Assembling the Box
Building a HVAC Plenum Box
43.6K viewsNov 7, 2020
YouTubeComfortPlus Heating and Cooling
hvac plenum box design sizing calculation, air distribution plenum box sizing of FCU and AHU)
10:26
hvac plenum box design sizing calculation, air distribution plenu…
30.6K viewsAug 1, 2019
YouTubeMEP Engineering Tutorials
We Fabricate a Plenum Box From Scratch For Our Shop - Measure, Cut, Bend, Seal HVAC Plenum Duct
23:48
Find in video from 07:14Assembling the Box
We Fabricate a Plenum Box From Scratch For Our Shop - Measure, …
3.5K viewsFeb 17, 2022
YouTubeSparky Built
#4 BlueDuct® Installation: Installing a Plenum Box
3:16
Find in video from 01:09Tracing and Cutting Plenum Adapter
#4 BlueDuct® Installation: Installing a Plenum Box
3.6K viewsMay 14, 2018
YouTubeAQC Industries
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Create a Plenum Box from scratch #hvacschool #hvactechnician #ple…
129 views3 months ago
YouTubeAmericaBusinessCollege
19:34
hvac design Part 4 ll Plenum box sizing & Heat transfer coefficient …
11.7K viewsJun 23, 2020
YouTubeMEP Engineering Tutorials
1:55
Constructing a Plenum Box from scratch (Highlight Reel) #hvacsch…
21 views3 months ago
YouTubeAmericaBusinessCollege
3:16
Find in video from 00:19Custom Sized Plenum Boxes
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405 viewsApr 12, 2018
YouTubeAQC Industries
15:01
Find in video from 00:16Introduction to Plenum Box
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10.8K viewsOct 13, 2024
YouTubeHVAC-R -BE PROFESSIONAL
7:04
111 - HVAC duct plenum box design for AHU, FCU and plenum box for …
17.3K viewsSep 15, 2023
YouTubeNC Engineering & Technology
2:10
New Install- Making the Plenums
53.3K viewsAug 8, 2019
YouTubeSuperior Services
1:15
Flexible Aluminum Duct | Plenum Box Installation
10.8K viewsMay 4, 2022
YouTubeHVACPremium
1:27
HVAC - Plenum Box Sizing
22.2K viewsDec 25, 2022
YouTubeHVAC FOR LIFE
4:28
Find in video from 01:03Standard Sizes of Blue Duct Plenums
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10.1K viewsAug 19, 2013
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7:38
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5.6K viewsSep 15, 2023
YouTubeNC Engineering & Technology
13:48
Ductboard Plenum Replacement: Measuring, Cutting & Installing
3.1K views4 months ago
YouTubeHVAC School
0:46
Eric will show you how Square diffuser and Plenum Box are instal…
692 viewsJul 22, 2024
YouTubeVairtech
1:45
How to Build a Metal Supply Plenum for Residential HVAC | Step-by-Ste…
3.4K viewsMar 11, 2025
YouTubeHVAC Bee
2:33
HVAC Duct Install - FCU, FAHU, AHU Duct, Plenum Box , Insulation, Ca…
5.4K viewsAug 13, 2019
YouTubeGreen House Central Air Conditioning Cont. C…
10:39
Find in video from 03:04Installing Plenum Box Feet
QuietCool RM WHF-4.0-PL Plenum Box Installation on Flat Roof
3.6K viewsMay 24, 2022
YouTubeQC Manufacturing, Inc. - Maker of the QuietCool
0:58
Find in video from 00:21Plum Box Specifications
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3K viewsJul 8, 2024
YouTubeHome update Co
2:20
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15.5K viewsJan 20, 2025
YouTubeHVAC Bee
1:43
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4.2K viewsAug 11, 2020
YouTubeMechanical Overseas Channal
0:46
Galvanized sheet original silver slot diffuser plenum box c/w insulation
1.8K viewsJun 5, 2023
YouTubeVairtech
38:49
HVAC 4-piece plenums
11.5K viewsDec 2, 2020
YouTubeGreg Spitzer
1:35
Air Volume Control Valves in Plenum Boxes Explained!
8 views10 months ago
YouTubeFresh air ventilation Manufacturing Ltd
5:02
HVAC Tips: How to build a Sheet Metal Plenum / Riser Box
419 views7 months ago
YouTubeExiite
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Shop plenum boxes

Sponsored
About our ads
$249.99
$329.99
BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
24% off
$249.99
$329.99
BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$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
$169.99
$229.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
26% off
$169.99
$229.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$139.99
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
22% off
$139.99
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$552.00
Chief Plenum Rated Ceiling Enclosure Storage Box (White, 2X2')
B&H Photo-Video-Pro A
Free shipping
$552.00
Chief Plenum Rated Ceiling Enclosure Storage Box (White, 2X2')
B&H Photo-Video-Pro A
$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
$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
$99.99
$129.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
23% off
$99.99
$129.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 2 Slot - Double 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
$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
$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
23% off
$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
$249.99
$299.99
BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
16% off
$249.99
$299.99
BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$2,702.70
$3,329.99
Enervex Stainless Steel Plenum Box For RS And RSHT 14 To 16 Chimney Fans 227-0100-0016
eFireplaceStore
18% off
$2,702.70
$3,329.99
Enervex Stainless Steel Plenum Box For RS And RSHT 14 To 16 Chimney Fans 227-0100-0016
eFireplaceStore
$725.60
Chief Plenum-Rated Storage Box With 2-Gang Filter & Surge (2X2', White)
B&H Photo-Video-Pro A
Free shipping
$725.60
Chief Plenum-Rated Storage Box With 2-Gang Filter & Surge (2X2', White)
B&H Photo-Video-Pro A
$198.00
Knockdown Supply Plenum W/ Top 90G36h 24.5"X 20"X36" For 24.5" Wide
eBay
Free shipping
$198.00
Knockdown Supply Plenum W/ Top 90G36h 24.5"X 20"X36" For 24.5" Wide
eBay
$120.28
$208.02
Mcdaniel Metals 21X20X36RF1/2 21 Inch X 20 Inch X 36 Inch Long Insulated Sheet Metal Return Air Plenum With 1/2 Inch Flange
Voomi Supply
42% off
$120.28
$208.02
Mcdaniel Metals 21X20X36RF1/2 21 Inch X 20 Inch X 36 Inch Long Insulated Sheet Metal Return Air Plenum With 1/2 Inch Flange
Voomi Supply