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20-42 Black Spring for Compatible Gas Regulators
Our Price:$77.94This black spring is for maintenance teams and commercial buyers servicing compatible gas regulators. It provides the specified spring component for use with 325-7, RV81, and 210D regulator models...
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20-Inch 3-in-1 Portable Misting Pedestal Fan, 4,600 CFM
Our Price:$239.94This 20-inch misting pedestal fan is for commercial users who need directed airflow and fine mist cooling in their immediate work area. It can be configured for floor, pedestal, wall, or ceiling use...
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20-Inch 304 Stainless Steel Wall Exhaust Shutter
Our Price:$365.94This wall exhaust shutter is designed for facility teams installing vertical exhaust ventilation in corrosion-resistant environments. It mounts at the wall opening to work with an exhaust fan and...
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20-Inch Aluminum Flanged Motorized Damper
Our Price:$375.94This motorized volume control damper is designed for HVAC professionals managing exhaust or supply airflow. It provides powered opening and spring closing to help control airflow at wall or curb...
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20-Inch Aluminum Four-Wing Free-Air Fan Blade, CCW, 23° Pitch
Our Price:$89.94This four-wing free-air fan blade is a replacement component for HVAC maintenance professionals and commercial facility teams. It provides a counterclockwise-rotating blade option for fan assemblies...
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20-Inch Aluminum Front-Flange Wall Exhaust Shutter
Our Price:$119.94This aluminum wall exhaust shutter is for vertical-mount exhaust ventilation installations where corrosion may be a concern. It provides a front-flange shutter option for cabinet fans and flush-mount...
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20-Inch Aluminum Gravity Intake Wall Shutter
Our Price:$139.94This gravity-operated wall shutter is designed for commercial ventilation installations that bring supply air into a building. It gives facility and HVAC buyers a vertically mounted intake opening...
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20-Inch Automatic Exhaust Shutter
Our Price:$99.94This automatic exhaust shutter is an exhaust-fan accessory for commercial ventilation users who need to direct airflow outward while limiting reverse airflow when the fan is off. Its gravity-closing...
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20-Inch CCW Aluminum Four-Wing Free-Air HVAC Fan Blade
Our Price:$109.94This four-wing free-air fan blade is for HVAC maintenance teams replacing a counterclockwise-rotating blade. Its purpose is to provide a replacement blade for air-moving fan assemblies that use an...
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20-Inch Clockwise Three-Wing Condenser Fan Blade
Our Price:$92.94This three-wing condenser fan blade is for HVAC professionals maintaining air-conditioning and heating equipment. It provides a replacement fan blade option for moving air in compatible condenser fan...
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20-Inch Counterclockwise Aluminum Four-Wing HVAC Fan Blade
Our Price:$89.94This four-wing free-air fan blade is a replacement component for HVAC and ventilation professionals who need a counterclockwise-rotating blade for air-moving equipment. Its interchangeable hub design...
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20-Inch Counterclockwise Three-Wing Condenser Fan Blade
Our Price:$73.94This three-wing condenser fan blade is a replacement component for air conditioning and heating equipment. HVAC maintenance professionals can use it to support airflow in compatible condenser fan...
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20-Inch Diameter 45-Degree Gray Right-Hand Fabric Duct Elbow
Our Price:$229.94This 20-inch-diameter fabric duct elbow is used by HVAC installers and facility teams to route airflow through a 45-degree right-hand turn in a fabric duct run. Its fixed right-hand configuration...
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20-Inch Duct-to-Duct Connector
Our Price:$109.94This duct-to-duct connector joins additional 20-inch ducting for users extending ventilation runs to remote locations. It provides a secure connection point for adding sections of ductwork...
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20-Inch ES Shutter Exhaust Fan, 1/3 HP, Single Phase
Our Price:$319.94This 20-inch shutter exhaust fan is designed for agricultural and commercial facility operators who need to move air from barns, building peaks, greenhouses, and warehouses. It provides exhaust...
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20-Inch Five-Wing CCW Condenser Fan Blade with Interchangeable Hub
Our Price:$105.94This five-wing condenser fan blade is designed for HVAC professionals and maintenance teams servicing air conditioning and heating equipment. Its counterclockwise blade configuration helps support...
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20-Inch Five-Wing Counterclockwise Condenser Fan Blade
Our Price:$105.94This five-wing condenser fan blade is a replacement component for air conditioning and heating equipment. HVAC professionals can use it to support condenser fan operation in compatible systems.The...
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20-Inch Galvanized Shutter Exhaust Fan, 3-Speed, 3,368 CFM
Our Price:$415.94This 20-inch wall exhaust fan is designed for light commercial users who need to move air from an enclosed space. Its shuttered design supports wall-mounted exhaust ventilation, while three speed...
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20-Inch Galvanized Steel Flanged Motorized Damper
Our Price:$349.94This motorized volume control damper is designed for ventilation professionals managing airflow in exhaust or supply systems. It regulates air passage at wall or curb installations and can be...
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20-Inch Gray Fabric Duct 90-Degree Left-Hand Elbow
Our Price:$365.94This 20-inch-diameter fabric duct elbow is a left-hand, 90-degree turn component for buyers configuring fabric duct runs. It redirects airflow around a left turn within the duct layout.The elbow has...
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