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20 in. Clockwise Aluminum Four-Wing Free-Air Fan Blade, 27° Pitch
Our Price:$89.94This four-wing free-air fan blade is an HVAC replacement component for maintenance teams and commercial buyers maintaining compatible fan assemblies. Its clockwise rotation and interchangeable hub...
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20 in. Diameter 45 Degree Gray Left-Hand Fabric Duct Elbow
Our Price:$229.94This 20-inch-diameter fabric duct elbow is for HVAC and ventilation professionals configuring fabric duct runs that need a 45-degree turn to the left. It directs airflow through a left-hand change in...
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20 in. Diameter x 25 ft. Black Portable Heater Duct
Our Price:$425.94This flexible portable heater duct helps crews direct heated air where it is needed in outdoor work areas. Its 20-inch diameter and 25-foot length provide an extended ducting path for portable heater...
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20 in. Gray Fabric Duct Straight Section with Vents, 750 CFM
Our Price:$385.94This gray fabric duct straight section is for HVAC installers and facility teams building a connected fabric duct run. It helps distribute airflow along a 10-foot section through laser-cut vent holes...
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20 in. Low-Velocity Exhaust Shutter
Our Price:$68.94This low-velocity automatic exhaust shutter is for facilities using compatible exhaust fans. It supports one-way horizontal airflow while helping limit reverse airflow and exposure to outdoor...
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20 in. Three-Wing Condenser Fan Blade with Interchangeable Hub
Our Price:$109.94This three-wing condenser fan blade is for HVAC professionals and maintenance teams working on air-conditioning and heating equipment. It provides a clockwise-rotating fan blade option with an...
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20 in. x 14 in. Aluminum Door Louver
Our Price:$169.94This aluminum door louver is for facility teams and installers who need to transfer air through a door or other barrier. Its inverted V blades support airflow while helping provide privacy.The louver...
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20 in. x 20 in. Aluminum Door Louver
Our Price:$209.94This aluminum door louver is for installers adding an air-transfer opening through a barrier. It is suited for 1-3/8 in. to 2-1/4 in. thick wood or metal doors where airflow and privacy are needed...
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20 in. x 20 in. Surface-Mount Return Air Grille
Our Price:$66.94This surface-mount return air grille is designed for facilities teams and HVAC installers covering return-air openings. Its fan-shaped louvers provide a finished cover for return-air ventilation...
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20 MFD 440V Oval Motor Run Capacitor
Our Price:$10.49This oval motor run capacitor is for HVAC service professionals and maintenance teams replacing a capacitor in compatible motor systems. It provides 20 MFD capacitance at 440V to support motor...
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20 x 12 Aluminum Door Louver
Our Price:$149.94This aluminum door louver helps facilities transfer air through a door or other barrier while maintaining privacy. It is designed for installation in 1-3/8 to 2-1/4 inch thick wood or metal doors.The...
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20 x 16 Aluminum Door Louver
Our Price:$159.94This aluminum door louver helps facilities and commercial buyers transfer air through door barriers while maintaining visual privacy. It is designed for installation in compatible wood or metal doors...
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20 x 20 Steel Door Louver
Our Price:$249.94This steel door louver helps facility managers and contractors transfer air through doors and other barriers while maintaining privacy. It is designed for installation in compatible wood or metal...
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20 x 20 x 1 MERV 8 High-Capacity Pleated Air Filter
Our Price:$5.89This high-capacity pleated air filter is for facility buyers replacing compatible 20 x 20 x 1 air filters. It provides MERV 8 filtration while supporting airflow and capturing dust over its service...
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20 x 20 x 1 MERV 8 Permanent Washable Electrostatic Air Filter
Our Price:$60.94This permanent washable electrostatic air filter is for people maintaining air systems that need a 20 x 20 x 1 filter. It captures airborne dust and allergens while providing a reusable alternative...
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20 x 20 x 2 Disposable Polyester Air Filter
Our Price:$6.99This disposable polyester air filter is designed for commercial and industrial users who need routine filtration for light- to medium-duty air-handling applications. Its 20 x 20 x 2 size supports...
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20 x 20 x 2 MERV 11 Standard-Capacity Pleated Air Filter
Our Price:$9.69This 20 x 20 x 2-inch MERV 11 pleated air filter is for facility maintenance teams and HVAC service professionals replacing filters in compatible air-handling equipment. It provides an upgraded...
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20 x 20 x 2 MERV 8 High-Capacity Pleated Air Filter
Our Price:$7.29This 20 x 20 x 2 MERV 8 pleated air filter is for facilities and maintenance teams that need to filter airborne dust in compatible air-handling equipment. Its extended-surface design provides a...
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20 x 25 x 4 in. MERV 11 Standard-Capacity Pleated Air Filter
Our Price:$19.74This pleated air filter is designed for facility teams replacing 20 x 25 x 4 inch filters in air-quality and filtration systems. Its MERV 11 rating provides an upgrade from standard pleated filters...
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20 x 30 x 1 MERV 8 Standard-Capacity Pleated Air Filter
Our Price:$11.49This 20 x 30 x 1 pleated air filter is for facility and maintenance teams that need MERV 8 filtration in compatible air-handling equipment. It helps capture dust while supporting airflow through the...
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