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28-Inch Gray Fabric Duct End Cap
Our Price:$179.94This gray end cap is for teams installing fabric duct runs. It closes out each run as a required component of the fabric duct system.Designed for 28-inch fabric duct runs, this end cap is gray. The...
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28-Inch Gray Fabric Duct Inlet Section
Our Price:$169.94This gray fabric duct inlet section is used by teams installing fabric duct runs. It creates the connection from a metal starter collar to the fabric duct system and begins the fabric conversion at...
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28-Inch Gray Fabric Duct Straight Section, Unvented, 5-Foot
Our Price:$189.94This 28-inch gray fabric duct straight section is for HVAC installers and facility teams building a duct run to carry conditioned air from its starting point to the intended distribution area. Its...
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28-Inch Gray Straight Fabric Duct Section, Non-Vented, 10-Ft.
Our Price:$325.94This 28-inch gray fabric duct section is for HVAC installers and facility teams building an air-distribution run. Its straight, non-vented design carries conditioned air from the system starting...
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28-Inch Horizontal-Mount Exhaust Backdraft Damper
Our Price:$119.94This 28-inch backdraft damper is designed for contractors and facility teams installing horizontal exhaust ventilation. It mounts in roof curbs, ductwork, or wall collars to support fan and powered...
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3 Amp Fuse Tester with Light
Our Price:$22.49This 3 amp fuse tester is for HVAC technicians servicing low-voltage circuits on furnaces, boilers, air handlers, and other systems with fused circuit boards. It plugs into the circuit board to help...
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3 Ft 30 Series Dummy Enclosure, White
Our Price:$85.94This 3 ft dummy enclosure is for HVAC installers and maintenance teams that need an enclosure-only section for a 30 Series hydronic baseboard installation. It provides a white finished baseboard...
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3 ft. x 3 ft. AC Protection Cage Back Panel
Our Price:$109.94This additional back panel is for users completing or maintaining a compatible 3 ft. x 3 ft. residential AC protection cage. It provides the single-panel component needed for the back side of the...
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3 in. Adjustable Duct Sleeve with O-Ring
Our Price:$41.94This adjustable duct sleeve is a clamp-together connector for users who need to adjust duct length. It lets users cut duct to the desired length, slide it into the sleeve, and create a connected...
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3 in. Clamp-Together Duct End Cap, 304 Stainless Steel, 18 Gauge
Our Price:$51.94This 3 in. duct end cap is for HVAC and ventilation professionals who need to close the end of a compatible clamp-together duct run. It provides a dedicated closure component for rolled-lip duct...
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3 in. Diameter Galvanized Hose Adapter, 22 Gauge
Our Price:$63.94This duct-to-flex hose adapter helps HVAC and ventilation installers connect ductwork to flexible hose. It provides a transition point for securing flex hose to a 3-inch-diameter duct connection.The...
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3" Galvanized Clamp-Together Manual Blast Gate
Our Price:$61.94This 3" manual blast gate is a ductwork accessory for users who need to manually adjust airflow in a ventilation system. Its sliding closure helps regulate airflow where changes are made by hand.The...
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3-1/2 in. Clockwise Push-On Fan Blade, 4-Blade
Our Price:$13.74This small push-on fan blade is a replacement component for buyers maintaining cooling equipment. Its clockwise rotation and push-on mounting design support installation on compatible fan assemblies...
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3-1/8-Inch Protective Gauge Boot Set
Our Price:$28.94This protective gauge boot set is for HVAC service professionals who use 3-1/8-inch gauges. It slips around a gauge to provide cushioning and protection during service work.The rubber boots fit...
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3-Cylinder NAO Tank Rack
Our Price:$389.94This tank rack is designed for technicians and service crews who need to secure and organize cylinders in compatible work vans. It holds three 30 lb nitrogen cylinders or B-tank oxygen and acetylene...
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3-Foot Hydronic Complete Baseboard Heater, White
Our Price:$139.94Designed for HVAC professionals and facility maintenance teams, this 3-foot hydronic complete baseboard heater provides heat along a baseboard location in hydronic heating systems. It offers a...
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3-Inch Adjustable Duct Sleeve with O-Ring
Our Price:$72.94This adjustable duct sleeve helps ductwork users modify duct length during installation. Cut the duct to the needed length, slide it into the sleeve, and use the included O-ring to create a...
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3-Inch BunaN Duct O-Ring
Our Price:$4.22This 3-inch BunaN O-ring is a ductwork accessory for installers and maintenance teams working with clamp-together duct connections. It provides a dedicated component for duct assembly work.The O-ring...
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3-Inch Clamp-Together Machine Adapter, 304 Stainless Steel, 24 Gauge
Our Price:$83.94This 3-inch clamp-together machine adapter connects ductwork to a machine outlet. Ductwork installers and maintenance teams use it to form the transition between a machine and compatible duct.The...
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3-Inch Clamp-Together Manual Blast Gate, Stainless Steel
Our Price:$159.94This 3-inch manual blast gate is for users who need to adjust airflow by hand in compatible ductwork. Its sliding closure helps regulate airflow or CFM where manual control is needed.The gate has a...
Climate Control & Air Quality: Find the Right Equipment for Your Space
Whether you're cooling a server room, filtering allergens from a workspace, heating a warehouse, or improving ventilation in a commercial building, this category covers the full range of climate control and air quality equipment. Use the subcategories below to find the right starting point for your project.
Choose your starting point
Popular examples in this category
What Climate Control & Air Quality Equipment Does
These products manage temperature, airflow, and air purity in residential, commercial, and industrial settings. Applications range from cooling server rooms and heating warehouses to filtering contaminants from manufacturing floors and controlling humidity in storage facilities.
How to Choose the Right Equipment
Start by identifying your primary need: temperature regulation, air movement, or air quality. Then consider your space size, existing infrastructure, power availability, and whether you need portable or permanently installed equipment. Matching capacity to square footage and load is critical for efficiency.
Where This Equipment Is Commonly Used
Common applications include office HVAC systems, industrial exhaust ventilation, cleanroom filtration, data center cooling, retail space heating, and residential air purification. Each environment has distinct requirements for capacity, filtration grade, noise level, and installation type.
Installation, Maintenance & Replacement Considerations
Many systems require periodic filter changes, belt inspections, or refrigerant checks. Stocking replacement parts and controls in advance reduces downtime. Always verify voltage compatibility and local code requirements before purchasing heating or cooling equipment for permanent installation.
Which Subcategory Fits Your Need?
Use this table to match your primary requirement to the right starting point.
| Need | Best Fit Subcategory | Why It Matters |
|---|---|---|
| Cool a room, building, or equipment enclosure | Air Conditioning & Cooling | Provides temperature reduction through refrigerant-based or evaporative systems sized by BTU or tonnage. |
| Remove dust, allergens, fumes, or humidity from the air | Air Quality & Filtration | Addresses airborne contaminants with filters, purifiers, and dehumidifiers rated for specific particle sizes and pollutant types. |
| Move air through a space or exhaust heat and fumes | Fans, Blowers & Ventilation | Improves airflow and air exchange without full HVAC infrastructure; suitable for spot cooling, exhaust, and circulation. |
| Warm a space during cold seasons or in cold climates | Heating Equipment | Covers unit heaters, radiant heaters, and other solutions sized by BTU output and fuel or power source. |
| Automate, monitor, or control an existing HVAC system | HVAC Controls | Thermostats, sensors, and controllers that improve efficiency and allow scheduling or remote management. |
| Maintain or repair existing climate control equipment | Parts & Service | Replacement components, filters, belts, and service items that extend equipment life and reduce downtime. |
Plan the right fit before choosing
Step 1: Define Your Climate Control Goal
Before selecting equipment, clearly identify whether your priority is temperature control, air movement, or air quality improvement. A space may need all three, but starting with the primary problem helps you size and budget correctly.
- Cooling or heating: Determine the BTU or tonnage needed based on square footage, insulation, and heat load.
- Ventilation: Calculate air changes per hour (ACH) required for the space type and occupancy level.
- Air quality: Identify contaminants (dust, fumes, allergens, moisture) to select the correct filtration or purification method.
Step 2: Assess Your Space and Infrastructure
Equipment performance depends heavily on the environment it operates in. Measure your space and evaluate existing infrastructure before purchasing.
- Room dimensions and ceiling height affect required equipment capacity.
- Check available power supply: voltage, phase, and amperage must match equipment specs.
- Determine whether ductwork, drainage, or mounting structures are already in place or need to be added.
Step 3: Plan for Ongoing Service and Parts
Climate control equipment requires regular maintenance to perform efficiently and last longer. Build a service plan into your purchasing decision.
- Identify filter replacement intervals and stock spare filters appropriate for your system.
- Review available HVAC controls and thermostats to automate scheduling and reduce energy use.
- Keep critical replacement parts on hand to minimize downtime during peak heating or cooling seasons.
This category is divided into six focused subcategories so you can navigate directly to the equipment type you need.
Cooling and heating capacity is measured in BTUs or tons; matching these figures to your space size is the most important selection step.
Air filters are rated on the MERV scale; higher ratings capture smaller particles but may restrict airflow in systems not designed for them.
Ventilation systems are sized by how many times per hour they replace the air in a space, a figure that varies by application and occupancy.
Common questions before buying
How do I know what size air conditioner or heater I need?
Capacity is primarily determined by the square footage of the space, ceiling height, insulation quality, and heat-generating equipment inside. A general rule is 20 BTUs per square foot for cooling, but industrial or high-heat environments require more detailed load calculations.
What is the difference between an air purifier and an air filter?
Air filters physically trap particles as air passes through them and are typically installed in HVAC systems or standalone units. Air purifiers may use additional technologies such as UV light or ionization to neutralize contaminants. The right choice depends on the type of pollutant you need to address.
Can I use a portable fan instead of a ventilation system?
Portable fans improve air circulation and can provide spot cooling, but they do not replace air or remove contaminants the way a ventilation system does. For spaces requiring code-compliant exhaust or a specific number of air changes per hour, a dedicated ventilation solution is necessary.
How often should HVAC filters be replaced?
Replacement frequency depends on the filter type, MERV rating, and how much particulate the system encounters. Standard filters in light-use environments may last 1 to 3 months, while high-efficiency filters in dusty or high-traffic spaces may need more frequent changes. Always follow the equipment manufacturer's guidelines.
Fans, Blowers & Ventilation
HVAC Controls, Parts & Service