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3/4-Inch Lever-Acting Gas Regulator with Vent Limiter
Our Price:$83.94This lever-acting gas regulator with a vent limiter is designed for residential, commercial, and industrial gas applications. It helps users regulate gas flow for systems that require control from...
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3/4-Inch Line Gas Regulator, Up to 325,000 BTU
Our Price:$139.94This 3/4-inch line gas regulator is designed for residential, commercial, and industrial gas applications. Contractors and facility maintenance teams can use it to regulate gas flow in systems using...
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3/4-Inch Low Water Cut-Off Probe
Our Price:$86.94This 3/4-inch low water cut-off probe is for users maintaining compatible heating control systems. It is designed for use with specified low water cut-off controls to support their low-water...
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3/4-Inch Rubber-Seat Poppet Gas Regulator
Our Price:$46.94This 3/4-inch poppet gas regulator is for equipment operators working with main burner and pilot loads. It helps provide precise control of very small gas flows needed for equipment operation.The...
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3/4-Inch Shaft Thrust Collars, 12-Pack
Our Price:$22.99These thrust collars are for maintenance professionals working on trucks, generators, construction machinery, and other equipment with 3/4-inch shafts. They provide a collar option for shaft-related...
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3/4-Inch Shaft Thrust Collars, 8-Pack
Our Price:$22.99These thrust collars are designed for maintenance professionals working with 3/4-inch shafts on equipment such as trucks, generators, and construction machinery. They help position components along a...
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3/4-Inch Sweat Air Eliminator
Our Price:$149.94This 3/4-inch sweat air eliminator is for heating professionals working on hydronic heating systems. It vents air from the system to support efficient operation and help address the issues caused by...
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3/4-Inch Sweat Geothermal Zone Valve
Our Price:$289.94This 3/4-inch sweat geothermal zone valve is designed for heating-system designers and installers who need a valve for geothermal zone applications. It supports dependable, quiet operation while...
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3/4-Inch Sweat Low-Voltage Motorized Zone Valve, 7 Cv
Our Price:$189.94This motorized zone valve is for HVAC professionals managing heating zones. It provides electrically operated flow control within a zoned heating system and connects through a 3/4-inch sweat...
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3/4-Inch Sweat Low-Voltage Motorized Zone Valve, 8 Cv
Our Price:$159.94This low-voltage motorized zone valve is designed for heating professionals and facility maintenance teams who need to control flow to a heating zone. Its 3/4-inch sweat connection supports...
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3/4-Inch Sweat Union Set for UP Model Circulators
Our Price:$89.94This 3/4-inch sweat union set is a circulator pump accessory for HVAC professionals working with UP model circulators. It provides the connection components needed when installing or servicing a...
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3/4-Inch Union Sweat Direct-Connect Mixing Valve
Our Price:$319.94This 3/4-inch mixing valve is designed for water-heater installations where users need to control hot and cold water flow. It installs directly on the water heater hot port and can be used for mixing...
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3/8 in. Bore Interchangeable Hub for 3- and 4-Blade Propellers
Our Price:$14.99This interchangeable hub is a replacement component for HVAC fan assemblies using 3-blade or 4-blade propellers. Maintenance and facility professionals can use it to support compatible propeller...
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3/8 in. Charging Hose Replacement Gaskets, Pack of 10
Our Price:$25.94These replacement gaskets are for HVAC technicians servicing 3/8 in. charging hoses. They provide a replacement sealing component for charging-hose connections used with refrigerants.The pack...
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3/8 in. High-Density Cartridge Heater, 240V, 150W
Our Price:$42.94This high-density cartridge heater is for equipment users who need a compact electric heating component for compatible 240V heating equipment. It provides 150W of heating power in a 3/8 in. diameter,...
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3/8 in. NPT Vent Screen
Our Price:$9.89This 3/8 in. NPT vent screen is a gas regulator component for heating equipment users who need to cover a compatible regulator vent connection.The vent screen has a 3/8 in. NPT vent connection and a...
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3/8 in. x 3-1/2 in. 240V 350W High-Density Cartridge Heater
Our Price:$36.94This high-density cartridge heater is an electric heating component for industrial equipment buyers and maintenance teams replacing or specifying a cartridge-style heater. It provides 350W of heat in...
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3/8-Inch Bullet Piercing Valve
Our Price:$5.99This 3/8-inch bullet piercing valve is for HVAC service professionals who need to install a valve on copper tubing. It provides a permanent sealing solution for air-conditioning service work.The...
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3/8-Inch Manifold Piston
Our Price:$11.24This 3/8-inch piston is a replacement component for HVAC service technicians working with compatible manifold equipment. It helps support maintenance of a manifold assembly.The piston has a 3/8-inch...
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3/8-Inch Rubber-Seat Poppet Gas Regulator, Up to 65,000 BTU
Our Price:$39.94This poppet-type gas regulator is for heating equipment with main burner and pilot loads where accurate control of very small gas flows is needed. It helps support dependable equipment operation in...
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