air quality & ventilation

Shop air quality supplies for HVAC systems at Blackhawk Supply. We carry air ventilation supplies for HVAC technicians, small contractors and experienced DIY professionals. Our catalog includes common replacement parts, select hard-to-find components and legacy parts that can help expand your sourcing options beyond many local distributors.
View Details Midland Metal Mfg. 21178 2 GALVANIZED VENT CAP  | Blackhawk Supply
21178 | 2 GALVANIZED VENT CAP | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 21178
$14.99 each
View Details Braeburn 119106 Round Damper | 6" Round Bypass Damper  | Blackhawk Supply
$90.99 each
View Details Braeburn 119110 Round Damper | 10" Round Bypass Damper  | Blackhawk Supply
$111.99 each
View Details EWC Controls 20X8 ND-HD 20X8 ND-HD HAND DAMPER  | Blackhawk Supply
20X8 ND-HD | 20X8 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X8 ND-HD
$112.31 each
View Details ACI A/Glycol Bottle 2 oz. Nalgene Bottle, PG7 Cable Gland  | Blackhawk Supply
$19.99 each
View Details Braeburn 119112 Round Damper | 12" Round Bypass Damper  | Blackhawk Supply
$117.99 each
View Details Braeburn 119108 Round Damper | 8" Round Bypass Damper  | Blackhawk Supply
$99.99 each
View Details EWC Controls 12 URD 12 Inch Round Motorized Damper  | Blackhawk Supply
$177.48 each
View Details Saginaw SCE-BVKD Drain, Breather Vent Kit  | Blackhawk Supply
SCE-BVKD | Drain, Breather Vent Kit | Saginaw
Brand: Saginaw
SKU: SCE-BVKD
$14.99 each
View Details EWC Controls 14 URD 14 Inch Round Motorized Damper  | Blackhawk Supply
$204.00 each
View Details EWC Controls 10 URD 10 Inch Round Motorized Damper  | Blackhawk Supply
$169.83 each
View Details Braeburn 119118 Round Damper | 18" Round Bypass Damper  | Blackhawk Supply
$137.99 each
View Details EWC Controls 20X12 ND Rectangular Damper | 20X12 ND MOTORIZED DAMPER  | Blackhawk Supply
$251.94 each
View Details Braeburn 119116 Round Damper | 16" Round Bypass Damper  | Blackhawk Supply
$129.99 each
View Details Braeburn 119120 Round Damper | 20" Round Bypass Damper  | Blackhawk Supply
$136.99 each
View Details Ultravation ADV1224 UVC-Advantage with 12" standard lamp,  | Blackhawk Supply
$100.99 each
View Details EWC Controls 16 CLBD 16 CLBD CONSTANT LOAD BY-PASS DAMPER  | Blackhawk Supply
$154.02 each
View Details EWC Controls 20X8 PRD 20X8 Rectangular Manual Bypass Damper  | Blackhawk Supply
$135.50 each
View Details iO HVAC Controls MBD-1608 Manual Rectangular 16 x 08 Zone Damper  | Blackhawk Supply
$165.94 each
View Details EWC Controls 14 CLBD 14 CLBD CONSTANT LOAD BY-PASS DAMPER  | Blackhawk Supply
$143.82 each

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Air Quality Products for Residential, Commercial and Industrial Applications

Our air quality inventory supports common installation, retrofit, replacement and maintenance needs across multiple project types:

  • Residential HVAC installations: Air filters, humidifiers, dehumidifiers, and ventilation fans for single-family and multi-unit properties

  • Commercial retrofit projects: Air purifiers, exhaust fans, and ductwork for offices, retail spaces, and light commercial facilities

  • Industrial and institutional facilities: Filtration, ventilation, and air quality components for manufacturing facilities, schools, government buildings, and larger commercial spaces

  • Emergency replacements: Grilles, registers, diffusers and dampers

  • Seasonal maintenance: Filter replacements, cleaning accessories and ventilation components for routine service calls

  • System upgrades: Air curtains, select energy-efficient fans and filtration products that can support system upgrades

Whether you're working on ventilation products for new construction projects, service replacements or equipment upgrades to support improved system performance, our selection includes trusted brands and commonly requested part numbers. We carry current-production items alongside select legacy components used to maintain older HVAC systems — parts that may be available through our specialized inventory.

Ventilation System Components

Find components commonly used to spec, install and maintain ventilation systems:

  • Air filtration: Filters in a range of standard and select specialty sizes, plus air quality accessories such as filter frames and mounting hardware

  • Humidity control: Humidifiers and dehumidifiers with replacement pads, filters and electrical components

  • Airflow equipment: Ventilation fans, exhaust fans, and air curtains for residential and select light commercial applications

  • Air distribution: Grilles, registers, and diffusers in a variety of materials and configurations for common wall, floor, and ceiling applications

  • Ductwork and fittings: Ductwork, fittings and related components for routing needs

  • Airflow control: Manual and motorized dampers, louvers and zone control accessories

Pair your ventilation components with HVAC actuators for damper control or browse Johnson Controls products for compatible controls and system components.

Why Buy HVAC Air Quality Supplies From Blackhawk Supply

Air quality work demands access to both common components and specialty parts you can't always find locally. Blackhawk Supply provides online access to ventilation supplies with straightforward pricing and no membership requirements, so you can source what you need without maintaining multiple vendor accounts.

Our inventory includes select legacy parts and hard-to-find components, along with everyday replacement items — helpful when you're maintaining older systems or tracking down discontinued parts. Eligible orders over $999 ship free to the continental U.S. Quantity discounts may be available on eligible purchases to help manage costs across larger installations or stocking orders.

Order Air Quality Supplies Today

Blackhawk Supply helps you source ventilation components for repairs, retrofits and upgrades. Shop our HVAC controls selection or place your ventilation supply order now.

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as experts in Air Quality & Ventilation