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Mini-Split Cable Connector Pack
Our Price:$18.49This mini-split cable connector pack is for HVAC installers connecting cable between an indoor air handler and an outdoor condensing unit. It provides the connection components needed to support a...
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Mini-Split Insulated Copper Line Set, 1/4 in. and 1/2 in. OD, 25 ft.
Our Price:$279.94This insulated copper line set is designed for professionals working with mini-split units. It provides a 25-foot line-set length for completing a mini-split installation.The set includes insulated...
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Mini-Split Insulated Copper Line Set, 1/4 in. OD x 1/2 in. OD, 50 ft.
Our Price:$439.94This insulated copper line set is for HVAC professionals installing compatible mini-split air-conditioning units. It provides the liquid and suction lines needed to connect a mini-split system.The...
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Mini-Split Insulated Copper Line Set, 1/4 in. x 3/8 in. OD, 50 ft.
Our Price:$429.94This insulated copper line set is for installers and maintenance professionals connecting compatible mini-split units. It provides the liquid and suction lines needed for a 50-foot refrigerant line...
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Mini-Split Insulated Copper Line Set, 1/4 in. x 5/8 in. OD, 50 ft
Our Price:$495.94This insulated copper line set is for HVAC professionals installing mini-split units. It provides the liquid and suction lines needed to route refrigerant between compatible system components.The...
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Mini-Split Insulated Copper Line Set, 1/4 in. x 5/8 in. x 25 ft.
Our Price:$309.94This insulated copper line set is for contractors and HVAC installers connecting compatible mini-split units. It provides the liquid and suction lines needed for a 25-foot installation run.The set...
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Mixed Gray Ceramic Fiber Fireplace Rocks
Our Price:$43.94Mixed gray ceramic fiber rocks are a fireplace accessory for facility managers and commercial buyers seeking rock accents for fireplace setups. Their mixed gray coloring provides a neutral option for...
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Mold Test Kit, Case of 20
Our Price:$18.99This mold test kit is designed for service technicians who need to collect samples and receive test results online. It provides a practical option for mold testing as part of service work.The kit...
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Motor Mounting Device Kit for 9–15 in. Blowers
Our Price:$54.94This motor mounting device kit helps HVAC service and maintenance professionals mount motors in blower assemblies sized for 9–15 in. blowers. It provides the components needed to support motor...
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Motor Mounting Tail Piece Kit for 9–15 in. Blowers
Our Price:$21.74This motor mounting tail piece kit is for HVAC professionals and maintenance teams installing motors on compatible blowers. It provides the components needed to support motor mounting in 9–15 in...
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Motor Pack for Combination Louver/Dampers
Our Price:$405.94This motor pack is for facility maintenance teams that need to convert a manually operated combination louver/damper to powered operation. It helps automate damper movement for ventilation control...
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Motor Support Arm for Apex 4000 and Jetstream 260 Evaporative Coolers
Our Price:$56.94This replacement motor support arm is for facilities maintaining compatible Apex 4000 and Jetstream 260 portable evaporative coolers. It supports motor-related cooler repairs, helping maintenance...
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Multi-Value Motor Run and Start Capacitor, 5 to 97.5 MFD, 370/440V
Our Price:$129.94This multi-value capacitor is designed for HVAC technicians and maintenance professionals servicing motor-run and motor-start capacitor applications. Its multiple tapped design helps reduce the need...
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Multi-Watt Kickspace Electric Unit Heater, 1.5 kW, 120V
Our Price:$445.94This kickspace electric unit heater is designed for kitchen and bathroom areas where cabinetry limits available floor and wall space. It delivers warm air at floor level beneath cabinets to help warm...
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Multicolor Ceramic Fiber Fireplace Pebbles, 24-Pack
Our Price:$42.94These multicolor ceramic fiber pebbles are decorative fireplace accessories for buyers who want to add a natural-looking accent to gas fireplace displays, outdoor fireplaces, or fire pits. Use them...
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Multicolor Ceramic Fiber Fireplace Rocks, 24-Piece Set
Our Price:$43.94These decorative ceramic fiber rocks are designed for homeowners and property managers who want to enhance the natural appearance of a gas fireplace, fireplace insert, fire pit, or gas log set. Use...
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MV/24V Aquastat Relay with 8°F Fixed Differential
Our Price:$415.94This aquastat relay is for HVAC professionals working with compatible MV/24V temperature-control systems that do not use a vent damper. It provides an 8°F fixed differential for relay-based control...
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Natural and LP Gas Pressure Tester, 0–15 in. WC
Our Price:$139.94This gas pressure tester is for HVAC service professionals who need to check natural gas and LP gas pressure. It provides a practical way to read pressure during gas-system service work.The tester...
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Natural Gas to Liquid Propane Conversion Kit for 250,000 BTU Unit Heaters
Our Price:$66.94This conversion kit is for owners and facility teams with compatible 250,000 BTU indirect-fired unit or utility heaters. It provides the components needed to change a heater’s fuel setup from natural...
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Natural Gas to LP Conversion Kit for 100,000–150,000 BTU Unit Heaters
Our Price:$48.94This natural gas to liquid propane conversion kit is for facilities using compatible indirect-fired unit or utility heaters. It supports changing the heater’s fuel type from natural gas to LP for...
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