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Tower UV Air Purifier with True HEPA Filter, Black
Our Price:$209.94This tower air purifier is designed for office users and other occupants who want to improve air quality in spaces up to 210 square feet. It combines particle filtration, UV sanitizing support, and...
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Tri-Tube Bender for 1/4 in., 5/16 in. and 3/8 in. Tubing
Our Price:$58.94This tri-tube bender is an HVAC installation and maintenance tool for technicians who need to form tubing accurately. It helps users identify tube size, align the tube for bending, and create bends...
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Triangle Ceiling Vent Air Diverter for 2 ft. x 2 ft. T-Grid Diffusers
Our Price:$36.94This triangle ceiling vent air diverter helps facility managers and building occupants redirect airflow from 2 ft. x 2 ft. T-grid ceiling diffusers. It helps reduce direct air blowing onto customers...
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Trio Pro H13 HEPA Replacement Filter Set with Carbon and Pre-Filter, 2-Pack
Our Price:$149.94This replacement filter set is for users maintaining compatible Trio Pro air purification units. It provides the pre-filter, H13 HEPA filter, and carbon filter components needed for a full unit...
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Triple Aquastat Relay with Fixed Low Limit
Our Price:$475.94This triple aquastat relay is an HVAC control component for technicians and facilities teams servicing aquastat-equipped systems. It provides high-limit control along with a fixed low-limit setting...
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Triple Aquastat Relay with High Limit - 4.8 W x 4.5 H x 6.4 D
Our Price:$455.94This triple aquastat relay is an HVAC control component for technicians and maintenance professionals who need to manage temperature-related system operation. Its high-limit function and adjustable...
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Triple Aquastat Relay with High Limit for Gas Systems
Our Price:$495.94This triple aquastat relay is for HVAC professionals and service teams working on gas systems. It combines relay operation with a high-limit function to support temperature-control service and...
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True HEPA Air Purifier Replacement Filter
Our Price:$63.94This True HEPA replacement filter is for owners of compatible 190, 200, and DX55 air purifiers who need to maintain their unit's air-filtration performance. It captures airborne particles to support...
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True HEPA Air Purifier Replacement Filters, 2-Pack
Our Price:$299.98These True HEPA replacement filters are for commercial buyers maintaining compatible air purifiers. They help capture fine airborne particles so users can keep their air filtration equipment...
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True HEPA Replacement Filter
Our Price:$40.94This True HEPA replacement filter is for users maintaining compatible air purifiers. It helps restore particle-filtration performance by capturing airborne contaminants as part of the purifier’s...
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True HEPA Replacement Filter for Compatible Air Purifiers
Our Price:$45.94This True HEPA replacement filter is for owners of compatible air purifiers who need to maintain their unit’s air-filtration performance. It captures airborne irritants as air passes through the...
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True HEPA Replacement Filter for Select Air Purifiers
Our Price:$60.94This True HEPA replacement filter is for facilities and users maintaining compatible 290, 300, and DX95 air purifiers. It helps the purifier capture fine airborne particles so the unit can continue...
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Tube Piercing Pliers for Copper Tubing
Our Price:$67.94These tube piercing pliers are an HVAC service tool for technicians working with copper tubing during refrigerant recovery. They clamp onto the tube and pierce it to create an access point for the...
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Two-Rod Direct Spark Ignition Control Module with 11-Second Lockout
Our Price:$469.94This two-rod direct spark ignition control module is for HVAC professionals servicing heating equipment with direct spark ignition. It manages the ignition trial and lockout timing needed for the...
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Two-Rod Direct Spark Ignition Control Module with 11-Second Trial
Our Price:$445.94This two-rod direct spark ignition control module is for heating equipment professionals replacing or servicing an ignition control component. It provides direct spark ignition control with an...
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Two-Rod Direct Spark Ignition Control Module with 21-Second Lockout
Our Price:$445.94This two-rod direct spark ignition control module is for HVAC service professionals and facility maintenance teams working with compatible heating equipment. It manages the direct spark ignition...
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Two-Rod Direct Spark Ignition Control with 4-Second Lockout
Our Price:$469.94This two-rod direct spark ignition control is for heating equipment service professionals and facility maintenance teams. It manages the ignition sequence with a 4-second trial period and 4-second...
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Two-Rod Direct Spark Ignition Control with 6-Second Lockout
Our Price:$445.94This two-rod direct spark ignition control is for HVAC service professionals and commercial heating equipment maintenance teams. It manages the ignition sequence with a defined trial period and...
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Two-Speed 1/15 HP Fan Motor
Our Price:$209.94This two-speed fan motor is for maintenance teams and commercial buyers working with fan and blower equipment. It provides motor operation with selectable speed settings for equipment that requires a...
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Two-Stage 24 VAC Combination Gas Valve with 3/4 in. Ports
Our Price:$259.94This two-stage combination gas valve is for professionals working with 24 VAC gas-fired appliances. It combines gas control functions to support direct spark, hot-surface, or intermittent-pilot...
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