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12-Inch Diameter 90-Degree Gray Right-Hand Fabric Duct Elbow
Our Price:$239.94This 12-inch diameter right-hand fabric duct elbow is for HVAC installers and facility teams assembling a fabric duct run. It provides a 90-degree change of direction for airflow where the run turns...
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12-Inch Diameter Clamp-Together Stainless Steel Duct Pipe
Our Price:$355.94This 12-inch diameter clamp-together duct pipe is for commercial buyers assembling or modifying ductwork. Its rolled-lip connection design helps create duct runs that can be installed, adjusted,...
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12-Inch Diameter Flexible Duct, 25 Ft., Yellow
Our Price:$315.94Facilities teams and HVAC professionals use this flexible duct to route air for compatible indoor/outdoor portable air-conditioning equipment. Its 25-foot length helps support duct connections where...
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12-Inch Diameter Galvanized Hose Adapter
Our Price:$91.94This hose adapter connects ductwork to flexible hose for ventilation system installations. It helps contractors and maintenance teams create a secure transition between a duct connection and flex...
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12-Inch Diameter Galvanized Steel Angle Flange
Our Price:$65.94This 12-inch diameter angle flange is a ductwork accessory for HVAC and ventilation installers who need to connect duct components. Its standard size and hole pattern support practical ductwork...
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12-Inch Diameter Heavy-Duty Vinyl Flexible Duct with Carrying Case, 25 ft.
Our Price:$265.94This 12-inch diameter flexible duct is designed for crews using compatible air-moving equipment. Its 25-foot length helps direct airflow where it is needed while providing a portable ducting option...
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12-Inch Duct Adapter for HS115 Nomad Heaters
Our Price:$81.94This 12-inch duct adapter is for users connecting ductwork or diffusers to compatible HS115 Nomad heaters. It provides an adapter-ring connection point for directing heated air through attached...
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12-Inch Duct Mounting Clamps, Pair
Our Price:$64.94These mounting clamps are for HVAC installers and maintenance teams securing fans to 12-inch ductwork. They support fan installation and make it easier to remove the fan for service and cleaning.The...
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12-Inch Duct Zinc Chromate-Plated Steel Inlet Guard
Our Price:$50.94This inlet guard is for HVAC and ventilation teams that need to help keep foreign objects out of a duct line. It fits 12-inch duct applications and provides a protective barrier at the duct inlet.The...
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12-Inch Duct-to-Duct Connector
Our Price:$66.94This 12-inch duct-to-duct connector is for users who need to extend ducting to remote locations. It joins additional duct sections to support a secure ducting connection.Constructed of galvanized...
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12-Inch ES Shutter Exhaust Fan, 1/10 HP, Single Phase
Our Price:$189.94This 12-inch shutter exhaust fan is designed for agricultural and commercial facility operators who need to move air from barns, greenhouses, warehouses, and building peaks. It provides exhaust...
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12-Inch Filter Cassette with MERV 5 Filter
Our Price:$269.94This 12-inch filter cassette is a ventilation-system accessory for commercial buyers who need to add basic air filtration to a circular duct connection. It holds a MERV 5 panel filter to help support...
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12-Inch Five-Wing Counterclockwise Condenser Fan Blade with Interchangeable Hub
Our Price:$59.94This five-wing condenser fan blade is designed for air conditioning and heating applications. HVAC professionals can use it as a replacement fan blade to support condenser fan operation in compatible...
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12-Inch Fixed Hub HVAC Fan Blade, 5-Blade, CCW
Our Price:$32.94This fixed hub fan blade is a replacement component for HVAC technicians and maintenance teams working on heating and air conditioning equipment. Its counterclockwise rotation and five-blade design...
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12-Inch Flanged Intake Door for Novair 1000
Our Price:$179.94This flanged intake door is an air purifier replacement accessory for users maintaining a Novair 1000 unit. It provides the intake-door component needed for the purifier’s air intake assembly...
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12-Inch Flanged Motorized Volume Control Damper
Our Price:$309.94This motorized volume control damper is designed for HVAC professionals and facility teams managing airflow in supply or exhaust systems. It provides powered opening and spring-assisted closing to...
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12-Inch Flexible HVAC Duct
Our Price:$199.94This 12-inch flexible HVAC duct is designed for HVAC contractors and facility maintenance teams to route air through ductwork systems. Its flexible spiral construction helps support air distribution...
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12-Inch Galvanized Duct Angle Flange
Our Price:$75.94This 12-inch galvanized duct angle flange is a ductwork accessory for HVAC and ventilation professionals assembling clamp-together duct systems. It helps create a connection point within a duct run...
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12-Inch Galvanized Duct Saddle Hanger
Our Price:$61.94This 12-inch galvanized duct saddle hanger is a ductwork support accessory for HVAC and ventilation professionals. It is used to support 12-inch-diameter duct runs as part of an installed duct system...
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12-Inch Galvanized Manual Blast Gate
Our Price:$249.94This 12-inch manual blast gate is a ductwork accessory for commercial buyers who need to manually adjust airflow in a ventilation system. Its sliding closure helps users open, close, and regulate...
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