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1/2 in. NPT Steam Valve Body, 3.5 CV
Our Price:$57.94This 1/2 in. NPT steam valve body is for HVAC professionals working on heating and cooling systems. It provides a valve-body connection for controlling system flow and supports straightforward...
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1/2 in. Straight-Through Gas Regulator, Up to 900,000 BTU
Our Price:$76.94This straight-through gas regulator is for heating professionals and maintenance teams working with main burner gas systems. It helps support high-capacity gas applications where low inlet pressure...
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1/2 in. Sweat Steam Valve Body, 2.5 Cv
Our Price:$54.94This 1/2 in. sweat steam valve body is for HVAC professionals installing or servicing zone-control systems. It provides the valve body connection needed to control steam flow in heating and cooling...
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1/2 in. Sweat Steam Valve Body, 3.5 Cv
Our Price:$54.94This 1/2 in. sweat steam valve body is for HVAC professionals and facility maintenance teams working on heating and cooling systems. It provides a valve-body connection point for controlling system...
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1/2 in. Union NPT Lead-Free Mixing Valve, 70°F to 120°F
Our Price:$199.94This lead-free mixing valve is for plumbing and heating professionals who need to blend hot and cold water for controlled delivery temperatures. It helps provide comfortable water temperatures at...
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1/2 in. Union NPT Lead-Free Mixing Valve, 70°F to 145°F
Our Price:$189.94This lead-free mixing valve is for plumbing and heating professionals who need to blend hot and cold water to a controlled outlet temperature. It helps provide comfortable water temperatures at...
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1/2 in. Union Sweat Lead-Free Mixing Valve, 70°F to 145°F
Our Price:$179.94This mixing valve is for plumbing and HVAC professionals who need to blend hot and cold water to deliver a controlled outlet temperature. It helps support comfortable water temperatures at sinks,...
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1/2 in. x 3 in. 240V 750W High-Density Cartridge Heater
Our Price:$38.94This high-density cartridge heater is for maintenance and process-heating professionals who need to supply electric heat within compatible equipment. Its compact cylindrical format helps buyers match...
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1/2-Inch Bore Interchangeable Hub for 3- and 4-Blade Propellers
Our Price:$16.99This interchangeable hub is a replacement component for HVAC fan assemblies using 3-blade or 4-blade propellers. Maintenance professionals can use it to support compatible propeller configurations...
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1/2-Inch Gas Line Regulator for Natural and LP Gas
Our Price:$95.94This 1/2-inch gas line regulator is designed for residential, commercial, and industrial gas systems. It helps users manage gas pressure for consistent delivery from full flow down to pilot flow.The...
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1/2-Inch Gas Line Regulator with Vent Limiter, Up to 325,000 BTU
Our Price:$99.94This 1/2-inch gas line regulator with vent limiter is for residential, commercial, and industrial gas applications. It helps users manage gas pressure across operating conditions, from full flow to...
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1/2-Inch Gas Line Regulator, Up to 325,000 BTU
Our Price:$119.94This 1/2-inch gas line regulator is designed for residential, commercial, and industrial users who need to reduce gas pressure from pounds to inches for dependable appliance gas supply control. It...
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1/2-Inch Lever-Acting Gas Regulator with Vent Limiter, Up to 325,000 BTU
Our Price:$83.94This lever-acting gas regulator is for residential, commercial, and industrial gas applications. It helps users regulate gas flow in systems using compatible natural, manufactured, mixed, liquefied...
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1/2-Inch Poppet Gas Regulator with Rubber Seat
Our Price:$40.94This 1/2-inch poppet gas regulator is for gas-system professionals working with main burner and pilot loads. It provides precise control of very small gas flows needed to operate equipment.The...
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1/2-Inch Sweat 24V Motorized Zone Valve, 4 Cv
Our Price:$189.94This motorized zone valve is designed for HVAC professionals and building maintenance teams managing heating zones. It provides electrically operated flow control where a 1/2-inch sweat connection...
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1/2-Inch Sweat Connection 120V Motorized Zone Valve
Our Price:$179.94This motorized zone valve is designed for HVAC professionals and commercial heating-system buyers who need to control flow within a heating zone. Its 1/2-inch sweat connection supports installation...
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1/2-Inch Sweat Union Set for UP Model Circulators
Our Price:$83.94This 1/2-inch sweat union set is a circulator pump accessory for buyers servicing compatible UP model circulators. It provides the connection components needed for the circulator installation.The...
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1/3 HP PSC Fan and Blower Motor, 3-Speed, 115V
Our Price:$289.94This 1/3 HP PSC motor is for maintenance teams and facility buyers supporting fan and blower equipment. Its three-speed operation helps users select an appropriate operating speed for their equipment...
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1/4 in. NPT Float-Style Air Vent
Our Price:$98.94This float-style air vent is used by heating-system installers and maintenance teams to vent air from boilers or high points throughout a system. Its purpose is to help manage air in the system...
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1/4 in. Piston for Series 41 and Titan Manifolds
Our Price:$7.69This 1/4 in. piston is a replacement manifold component for HVAC service professionals using compatible Series 41 and Titan manifolds. It supports maintenance of those manifold assemblies.The piston...
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