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3/4 in. 3-Way Steam Inverted Flare Valve Body, 4.0 Cv
Our Price:$96.94This 3/4 in. three-way 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 directing steam...
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3/4 in. 3-Way Sweat Steam Valve Body, 5.0 Cv
Our Price:$119.94This 3-way sweat steam valve body is for HVAC professionals and facility maintenance teams assembling or servicing hydronic heating and cooling valve systems. It provides a valve-body connection...
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3/4 in. 3-Way Sweat Zone Valve Body, 7.5 Cv
Our Price:$109.94This 3-way sweat zone valve body is for HVAC installers and maintenance teams working on hydronic heating and cooling systems. It provides a valve-body connection point for controlling flow within a...
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3/4 in. Cast Iron Circulator Pump Flange Set
Our Price:$40.94This 3/4 in. cast iron flange set is a circulator pump accessory for HVAC service professionals and maintenance teams. It is used with compatible circulator pumps to support pump installation or...
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3/4 in. Electronic Combination Gas Control Valve
Our Price:$249.94This electronic combination gas control valve is for technicians and maintenance professionals servicing 24 VAC gas-fired appliances. It manages gas flow for direct spark, hot surface, or...
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3/4 in. General Purpose Sweat Valve Body, 2.5 Cv
Our Price:$59.94This general-purpose sweat valve body is for hydronic heating and cooling applications. It provides a connection point for an actuator, helping installers and maintenance teams control zoned fluid...
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3/4 in. NPT Bronze Union Set for UP Model Circulators
Our Price:$85.94This union set is a circulator pump accessory for HVAC professionals working with UP model circulators. It provides the connection components needed for circulator pump installation or service.The...
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3/4 in. NPT Hydronic Air Eliminator
Our Price:$199.94This automatic air eliminator is for hydronic heating system installers and maintenance teams who need to vent air from the system. It purges air bubbles through its vent assembly to support...
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3/4 in. NPT Steam Valve Body, 2.5 Cv
Our Price:$80.94This 3/4 in. NPT steam valve body is for HVAC professionals working on heating and cooling systems. It provides a valve-body component for motorized hydronic valve assemblies and supports...
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3/4 in. NPT Water Main Vent Valve
Our Price:$399.94This water main vent valve is designed for operators of hot- or cold-water mains, glycol mains, and process applications. It helps discharge moisture through a safety drain connection while providing...
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3/4 in. Shaft Thrust Collar, 2-Pack
Our Price:$23.99This 2-pack of thrust collars is for maintenance teams servicing trucks, generators, and construction machinery. Designed for 3/4 in. shaft diameters, the collars provide a replacement option for...
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3/4 in. Straight-Through Gas Regulator
Our Price:$99.94This 3/4 in. straight-through gas regulator is intended for commercial gas systems serving main burners. It helps support high-capacity gas flow at low inlet pressures where downstream controls are...
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3/4 in. Straight-Through Gas Regulator, Up to 900,000 BTU
Our Price:$80.94This gas regulator is for heating-system installers and maintenance teams working with main burner applications. Its straight-through flow design supports gas delivery where downstream controls can...
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3/4 in. Sweat Steam Valve Body, 7.5 Cv
Our Price:$86.94This 3/4 in. sweat steam valve body is for HVAC professionals working on heating and cooling systems. It provides a valve-body connection point for actuator-operated flow control in zoned...
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3/4 in. Union NPT Lead-Free Mixing Valve, 70°F to 145°F
Our Price:$209.94Homeowners and facility operators can use this mixing valve in domestic water and heating systems to blend water temperatures for sinks, showers, tubs, and other connected applications. It is...
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3/4-Inch 3-Way Inverted Flare Zone Valve Body, 4.0 Cv
Our Price:$78.94This 3-way zone valve body is used by HVAC professionals and facility maintenance teams to direct flow in hydronic heating and cooling systems. Its inverted flare connection design supports...
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3/4-Inch Bronze Flange Set for UP15, UPS15, UP26 and UPS 26 Pumps
Our Price:$105.94This 3/4-inch bronze flange set is a circulator pump accessory for HVAC professionals and maintenance teams using compatible UP15, UPS15, UP26, or UPS 26 pumps. It provides the specified flange set...
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3/4-Inch Evaporative Cooler Replacement Float Valve
Our Price:$64.94This 3/4-inch replacement float valve is evaporative cooler hardware for facilities teams and maintenance buyers servicing cooling equipment. It provides a replacement option when a compatible float...
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3/4-Inch Gas Line Regulator with Vent Limiter
Our Price:$105.94This 3/4-inch gas line regulator with a vent limiter is designed for residential, commercial, and industrial gas applications. It helps users regulate gas flow for equipment requiring controlled...
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3/4-Inch Lead-Free Replacement Mixing Valve
Our Price:$229.94This 3/4-inch lead-free replacement mixing valve is designed for building water-heating systems. Facility maintenance teams can use it to adjust mixed-water temperature, support stable temperature...
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