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24V Normally Closed Steam Actuator with End Switch
Our Price:$119.94This 24V normally closed steam actuator is for HVAC professionals and facility maintenance teams installing or servicing hydronic valve systems. It provides on/off, two-position control and includes...
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24V Normally Closed Steam Valve Actuator with End Switch
Our Price:$179.94This 24V normally closed steam valve actuator is for HVAC professionals and facility maintenance teams who need on/off control of compatible valve bodies in heating and cooling systems. Its...
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24V Normally Closed Steam Valve Actuator Without End Switch - Model AG14A020
Our Price:$119.94This 24V normally closed steam valve actuator is for HVAC professionals and facility maintenance teams who need to operate compatible valve bodies in heating and cooling systems. It provides...
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24V Normally Closed Steam Valve Actuator Without End Switch - Model AH14A020
Our Price:$129.94This 24V normally closed steam valve actuator is for HVAC professionals and facility maintenance teams working with compatible hydronic valve bodies. It provides on/off, two-position control for...
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24V Normally Closed Zone Valve Actuator with Terminal Block
Our Price:$97.94This 24V normally closed actuator is for HVAC professionals and maintenance teams working with hydronic heating and cooling valve systems. It provides on/off, two-position control for a compatible...
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24V Normally Closed Zone Valve Actuator Without End Switch
Our Price:$72.94This 24V normally closed actuator is used by HVAC professionals to operate compatible hydronic zone valves in heating and cooling systems. It provides on/off, two-position valve control and can be...
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24V Normally Open General Purpose Actuator Without End Switch
Our Price:$99.94This 24V normally open actuator is used by HVAC and building-maintenance professionals to operate compatible valve bodies in heating and cooling systems. Its two-position spring-return operation...
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24V Normally Open Steam Actuator with End Switch
Our Price:$129.94This 24V normally open steam actuator with an end switch is for HVAC professionals and building maintenance teams working on heating and cooling systems. It mounts to a valve body to provide...
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24V Normally Open Steam Valve Actuator Without End Switch
Our Price:$98.94This 24V normally open steam valve actuator is for HVAC professionals and facility maintenance teams installing or servicing steam valve systems. It provides on/off, two-position control and mounts...
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24V Normally Open Zone Valve Actuator with End Switch
Our Price:$109.94This 24V normally open zone valve actuator is for HVAC installers and maintenance teams working with hydronic heating and cooling systems. It operates a compatible valve body with an on/off,...
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24V On/Off Valve with Auxiliary Switch
Our Price:$229.94This 24V on/off valve is for HVAC professionals and facility maintenance teams that need a valve for controlled on/off operation. Its 3/4 inch sweat connection and auxiliary switch support...
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24V On/Off Zone Valve with Auxiliary Switch, 1 in. Sweat Connection
Our Price:$169.94This 24V on/off zone valve is for HVAC professionals and facility maintenance teams working with zoned heating equipment. It helps control flow to an individual zone and includes an auxiliary switch...
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24V Pilot Relite Ignition Control Module with Spike Terminal Output
Our Price:$209.94This 24V pilot relite ignition control module is for professionals maintaining pilot ignition equipment. It produces a spark pulse to support ignition until flame is sensed and restarts sparking when...
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24V Replacement Motor for V8043 and V8044 Zone Valves
Our Price:$63.94This replacement motor is for HVAC technicians and maintenance teams servicing compatible V8043 and V8044 zone valves. It provides the motor component needed to restore operation of an existing...
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24V Standing Pilot Gas Valve with Side Tappings - 4-1/16 in W x 5 in H x 3 in D
Our Price:$229.94This standing-pilot gas valve is for HVAC service professionals working on compatible gas heating equipment. It supports natural or LP gas applications and provides a 24 VAC valve option with side...
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24V Standing Pilot Gas Valve with Side Tappings - 4-1/2 in W x 5 in H x 3 in D
Our Price:$279.94This 24V standing pilot gas valve is for HVAC professionals and maintenance teams working with natural gas or LP gas heating equipment. It helps manage gas flow in standing-pilot systems and includes...
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24V Standing Pilot Natural/LP Gas Valve, 3/4 x 3/4
Our Price:$269.94This 24V standing pilot gas valve is for HVAC professionals servicing compatible natural gas or LP gas heating equipment. It provides a gas-valve replacement option for standing-pilot applications...
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24V Step-Opening Dual Standing Pilot Gas Valve, 3/4 in. x 3/4 in.
Our Price:$465.94This combination gas control is for technicians and facility professionals servicing 24 VAC gas-fired standing-pilot appliances. It manages gas flow during a call for heat while providing manual...
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24V Universal Igniter and Flame Rod Assembly Kit
Our Price:$43.94This 24V igniter and flame rod assembly kit is for professionals servicing compatible heating systems. It provides an ignition and flame-rod replacement option for 24V smart-valve applications.The...
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25 + 5 MFD 440V Round Run Capacitor
Our Price:$11.24This round run capacitor is for HVAC technicians and service professionals maintaining motor-driven equipment. It provides 25 + 5 MFD capacitance at 440V to support compatible run-capacitor...
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