For professional-grade performance and innovative design, our ACiQ brand offers some of the most reliable HVAC equipment on the market.

ACiQ is a brand focused on delivering high-value, professional-grade central HVAC systems that are both affordable and efficient.

AHRI Certification means that an HVAC system's performance claims have been independently verified by the Air-Conditioning, Heating, and Refrigeration Institute.

An accumulator is a storage tank located near the compressor that prevents liquid refrigerant from entering the compressor motor.

An accumulator is a safety reservoir located near the compressor that catches any liquid refrigerant before it can enter the compressor motor.

An active carbon filter is a specialized indoor air quality component designed to absorb odors, smoke, and volatile organic compounds (VOCs) from your living space.

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}-->Modern climate control relies on Inverter Technology, which allows our Heat Pump Systems to vary motor speeds for maximum energy efficiency.

A ducted air handler is the "indoor unit" used in traditional central HVAC systems.

An air handler is the indoor component of your HVAC system responsible for circulating conditioned air throughout your living space.

An air volume sensor is a component used in some advanced Ductless Mini Splits to monitor the speed of the blower fan.

CFM, or Cubic Feet per Minute, measures the volume of air that your Indoor Air Handler can move through the room.

MCA (Minimum Circuit Ampacity) and MOP (Maximum Overcurrent Protection) are electrical specs that tell your electrician what size wire and breaker your unit needs.

Armbridge offers a range of high-quality portable air conditioners that are perfect for temporary cooling or for rooms where a permanent installation is not possible.

The auto-restart function is a critical convenience feature that ensures your HVAC system automatically powers back on to its previous settings after a power outage.

Auxiliary heat, often called "heat strips," is a backup electric heating element used in Ducted Heat Pump Systems.

A BTU is a measure of the heating or cooling power of an HVAC system.

A BTU is a traditional unit of heat defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.

Our HVAC Load Calculator is the best starting point for any new installation project.

BTU, or British Thermal Unit, is the standard measurement used to determine the cooling or heating power of an HVAC system.

Selecting the correct power level is vital, and our Sort by BTU tool simplifies the selection process significantly.

A base pan heater is a specialized heating element installed in the outdoor unit of a Heat Pump System to prevent ice buildup.

A base pan heater is an electric heating element located at the bottom of the outdoor condenser unit to prevent ice from accumulating during the defrost cycle.

The blower motor is the electrical component that drives the fan inside your Indoor Air Handler.

The blower wheel is the cylindrical fan inside your Wall Mount unit that physically moves the air.

Blue Fin coating is a specialized anti-corrosive layer applied to the Evaporator Coil of our mini-split units.

Blue Fin is an anti-corrosive epoxy coating applied to the aluminum fins of the heat exchanger to protect against water, salt, and acid.

The Bravo Milano Series is known for its sleek, European-inspired design and solid performance in a variety of climates.

A capillary tube is the simplest type of expansion device used in small air conditioners and some budget One Zone units.

A carbon filter is an optional air-cleaning insert that uses activated charcoal to absorb odors and chemicals.

A ceiling cassette is a stylish and discrete indoor unit that is installed flush with your ceiling.

A ceiling cassette is a low-profile indoor air handler that is installed directly into the ceiling, leaving only a decorative grille visible.

Traditional ducted cooling is still a staple for many American homes, and we carry a robust inventory of Central Condensers.

A central air conditioner uses a system of ducts to distribute cooled air from a single, high-capacity unit to every room in a building.

A central condenser is the outdoor half of a traditional split-system air conditioner, designed to work with an indoor evaporator coil and ductwork.

A charge compensation tank is a component found in large Multi-Zone systems that helps balance the refrigerant levels.

A circuit breaker is the primary safety switch in your home’s electrical panel that protects your Heat Pump System from overcurrent.

A circuit breaker is the safety switch in your home's electrical panel that protects your HVAC system from damage caused by an electrical overload or short circuit.

A cold catalyst filter is a specialized indoor air cleaner that helps decompose harmful gases like formaldehyde and ammonia.

A cold catalyst filter is an advanced indoor air quality tool that decomposes formaldehyde and other harmful gases into harmless water and carbon dioxide.

A comfort sensing remote is a hand-held controller with a built-in temperature sensor.

Commercial packaged units are large, all-in-one HVAC systems where all components—compressor, coils, and fans—are housed in a single outdoor cabinet.

Communication wire, specifically 14-gauge 4-conductor wire, is used to connect the indoor air handler to the outdoor unit.

The communication wire, often a 14-gauge, 4-conductor stranded cable, is what allows the indoor unit and outdoor condenser to "talk" to one another.

The compressor is the "heart" of any air conditioning system, located within the outdoor unit, where it pumps refrigerant through the lines.

A compressor blanket is an insulated wrap that goes around the outdoor compressor to dampen noise.

Compressor speed refers to the frequency at which the heart of your Heat Pump System is running.

A concealed duct or slim duct unit is a thin air handler that is hidden above a ceiling or behind a wall, connected to short runs of ductwork and small grilles.

A condensate drain line is the PVC or flexible hose that carries water away from your Indoor Air Handler.

A condensate pump is an optional accessory used when your indoor unit cannot drain water by gravity alone.

A condensate pump is an accessory used to move the water (condensation) produced by your AC unit to a drain when gravity alone won't do the job.

The condenser is the outdoor part of your Ductless Mini Split or central AC system.

The condenser is the outdoor portion of a split-system air conditioner or heat pump that dissipates heat collected from inside the home.

The condenser coil is a large network of fins and tubes located inside your outdoor unit.

The condenser fan motor is the electric motor that spins the large outdoor fan on your Heat Pump System.

A condenser pad provides a flat, stable, and durable surface for your outdoor unit to sit on when installed at ground level.

The Olivia Series by Cooper&Hunter is a premium line of mini-splits known for their ultra-high efficiency and whisper-quiet operation.

Our selection of Cooper&Hunter equipment represents the pinnacle of modern HVAC technology and aesthetic design.

Copper tubing is the material used for the Line Sets that connect your indoor and outdoor units.

Corrosion resistance refers to the ability of an HVAC system to withstand the elements, especially in coastal areas.

A crankcase heater is a small heating element located at the base of the compressor in the outdoor unit.

A crankcase heater is an electric heating element wrapped around the compressor to keep the oil warm and prevent refrigerant from mixing with it during the off-cycle.

A critical charge is the exact amount of refrigerant needed for a system to operate at its peak efficiency.

Our Multi-Zone Custom Combination Builder is a unique tool that helps you design a personalized HVAC system.

A DC Inverter is the advanced power management system found in our modern Heat Pump Systems.

A DIY mini-split is a system specifically designed for homeowners to install themselves without the need for specialized HVAC tools.

A DIY mini-split kit is a system specifically engineered for homeowners to install themselves without the need for specialized HVAC tools like vacuum pumps.

Taking the "do-it-yourself" approach to home comfort is a breeze with our specialized DIY collection.

The decibel rating (dB) tells you how quietly an HVAC unit will operate, which is a major factor in home comfort.

A decorative line cover, often called Slimduct, is a PVC housing used to hide and protect the copper line sets on the outside of your home.

A defrost cycle is an automatic operation where a Heat Pump System temporarily reverses its flow to melt frost off the outdoor coils.

The defrost cycle is a necessary operation for any heat pump where the system temporarily reverses to melt frost that has accumulated on the outdoor coils.

A dehumidifier is a specialized device designed solely to reduce the level of moisture in the air, preventing mold, mildew, and musty odors.

Delta T refers to the difference in temperature between the air entering your unit and the air coming out of it.

Delta T is a technical measurement of the temperature difference between the air entering the unit and the air exiting it.

A digital manifold is a high-tech version of the standard Manifold Gauge Set.

A direct drive motor is a type of fan motor that is connected directly to the fan blade without any belts or pulleys.

A disconnect box is a safety device installed near the outdoor condenser that allows for the electrical power to be shut off quickly.

A metallic disconnect box is a heavy-duty safety switch housing used for outdoor HVAC units.

A draft inducer motor is a component found in gas furnaces rather than our electric Heat Pump Systems.

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}-->The drain pan is located beneath the indoor evaporator coil to catch the water that naturally condenses during the cooling process.

The indoor drain pan is a tray located beneath the Evaporator Coil to catch condensation.

A heated drip tray is an advanced version of the standard Drain Pan used in outdoor units.

The drip tray, or drain pan, is located beneath the evaporator coil in your indoor unit to collect the moisture removed from the air during the cooling process.

The dry anti-mildew function is a post-operation setting where the indoor fan continues to run for a few minutes after the unit is turned off.

The Dry Anti-Mold function is a smart feature that keeps the Indoor Air Handler running at a very low speed after you turn the unit off.

Dry mode is a specialized setting on your mini-split that prioritizes dehumidification over actual cooling.

Dry Mode is a specific setting on most mini-split remotes that focuses on removing moisture from the air without significantly lowering the temperature.

A dual fuel system combines an electric heat pump with a gas furnace to provide the most efficient heating possible regardless of the temperature.

A dual-stage compressor is a more advanced version of the standard compressor that can run at two distinct speeds: high for extreme weather and low for milder days.

A dual-zone system is designed to provide independent heating and cooling to two separate rooms using just one outdoor condenser.

Whether you are upgrading an existing home or building a new one, our Ducted Systems provide a comprehensive solution for whole-home comfort.

A ductless mini-split is a highly efficient heating and cooling system that does not require bulky ductwork to operate.

EER2 is a standardized measurement of how efficiently an air conditioner performs during peak load (high heat) conditions.

EER2 stands for the updated Energy Efficiency Ratio, which measures how well a system cools when the outside temperature is at its peak.

EPA 608 Certification is a federal requirement for any individual who handles or purchases refrigerants like R410A or the new R454B.

An electrical whip is a pre-assembled, weather-resistant conduit containing the high-voltage wires that connect the disconnect box to the outdoor condenser.

An Electronic Expansion Valve, or EEV, is a sophisticated component that regulates the flow of refrigerant with extreme precision.

An EEV is a sophisticated component that precisely regulates the flow of refrigerant through the system based on real-time sensor data.

Energy Star certification is a widely recognized symbol that a product meets strict energy efficiency guidelines set by the EPA.

Energy Star is a government-backed symbol for energy efficiency, identifying products that save money on energy bills and protect the environment.

An evaporative cooler, often called a swamp cooler, uses the natural process of water evaporation to cool the air, which is highly effective in dry, arid climates.

The evaporator coil is the "cold" part of the system located inside your Indoor Air Handler.

The evaporator coil is the part of the indoor unit where the cooling actually happens.

<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}-->An expansion tank is a safety device used in hydronic (water-based) heating systems, though it is less common in standard Ductless Mini Splits.

The expansion valve is a precision component that controls the flow of refrigerant into the evaporator coil.

While most of our systems use an Electronic Expansion Valve (EEV), some older or basic units may use a manual or capillary tube expansion device.

External static pressure refers to the resistance that an air handler must overcome to push air through a duct system.

The condenser fan blade is the large, propeller-style fan located in the outdoor unit of your Heat Pump System.

A Fan Coil Unit, or FCU, is essentially the "indoor part" of your air conditioning system.

While air conditioners do the heavy lifting of cooling, fans and air movers are essential for circulating that conditioned air and preventing stagnant "hot spots.

A filter drier is a small canister installed in the refrigerant line to remove moisture and contaminants from the system.

A filter drier is a small canister installed in the liquid line that removes moisture and debris from the refrigerant.

A fin comb is a simple yet essential tool used to straighten the delicate aluminum fins on your condenser coil.

A fin guard is a protective metal or plastic mesh that covers the delicate aluminum fins on your outdoor unit.

A flare nut is a brass fitting used to secure the copper Line Set to the indoor and outdoor units.

A flare nut is the threaded fitting used to connect the copper line sets to the indoor and outdoor units.

A flare nut is a specialized brass fastener used to secure the copper line set to the service valves of the condenser and the connections of the air handler.

A flare nut connection is a mechanical fitting used to join the copper line sets to the indoor and outdoor units.

A flare tool is a specialized plumbing tool used to widen the end of a copper refrigerant pipe into a 45-degree bell shape.

A floor console is an indoor air handler that is mounted low on the wall, similar to a traditional radiator.

A floor console is an indoor air handler designed to be mounted on or near the floor, similar to a traditional radiator.

The "Follow Me" feature is a smart comfort setting where the system uses the temperature sensor inside the remote control rather than the one on the wall unit.

Gold Fin coating is an anti-corrosive treatment applied to the aluminum fins of our High-Efficiency Wall Mounts.

Gold Fin is a premium anti-corrosive coating applied to the condenser and evaporator coils to protect them from rust and oxidation.

A grounding wire is a critical safety component that provides a safe path for electricity to follow in the event of a short circuit.

HSPF2 is the new, more rigorous standard for measuring the heating efficiency of a heat pump over a typical winter season.

The HSPF2 standard, or Heating Seasonal Performance Factor 2, is the new metric for measuring the heating efficiency of heat pumps.

To keep any HVAC system running at peak performance, you eventually need replacement parts such as filters, sensors, or specialized mounting hardware.

A hard start kit is a capacitor and relay used to give a Central Condenser compressor an extra boost of torque during startup.

A hard-wired thermostat is a wall-mounted controller that connects directly to the Indoor Air Handler via a signal cable.

The heat exchanger is the component where the actual transfer of heat occurs between the refrigerant and the air.

A heat pump condenser is the outdoor unit of a system that can both cool and heat a home by reversing the flow of refrigerant.

Heat pump mode is the operational setting where your Central Condenser reverses its cycle to provide warmth.

A heat pump system is a highly efficient HVAC unit that can both cool and heat your home by moving heat instead of creating it.

Heat pump technology provides a dual-purpose solution by both cooling and heating your home using electricity.

Heat strips are electric resistance heating elements that can be added to an air handler to provide supplemental warmth when outdoor temperatures are extremely low.

Hephaestus technology is a specialized engineering approach used in some of our heavy-duty heat pumps to ensure they can produce heat in extreme cold.

As environmental standards evolve, we are leading the way by offering a wide range of R454B Products that use lower global warming potential refrigerants.

HEPA filters are advanced air cleaners capable of capturing 99.

The high-pressure switch is a safety device that shuts the system down if the refrigerant pressure exceeds safe limits.

The high-pressure switch is a safety device that automatically shuts down the system if the refrigerant pressure gets too high.

Horizontal swing refers to the ability of the Indoor Air Handler to automatically move its vertical louvers from side to side.

Horizontal swing refers to the ability of the indoor air handler's vertical louvers to move side-to-side, distributing air across the width of the room.

Hyper-Heat and Arctic Heat are terms used to describe heat pumps that are specifically engineered for extremely cold climates.

I-Feel technology uses a temperature sensor built directly into the remote control rather than relying on the sensor inside the indoor unit on the wall.

The Inflation Reduction Act (IRA) provides significant tax credits for homeowners who install high-efficiency heat pump systems.

The indoor air handler is the component of the mini-split that is mounted inside your home to distribute air.

A successful installation begins with a high-quality Line Set, which connects the indoor and outdoor components of your Single-Zone System.

A professional installation relies on high-quality components, starting with our Insulated Copper Line Sets.

The "heart" of your system consists of the Condenser Coil and the Blower Motor, which work together to move heat in or out of your home.

The inverter compressor is the "variable-speed" heart of our modern Heat Pump Systems.

An inverter compressor is the "smart heart" of a modern mini-split, capable of varying its speed to perfectly match the cooling or heating demand.

The inverter control board is the electronic "brain" located inside the outdoor unit of your Heat Pump System.

Inverter technology represents the pinnacle of efficiency in modern climate control by allowing the compressor to vary its speed.

An ionizing filter is an advanced air purification component that uses an electric charge to trap microscopic particles.

Isolation valves are used to "lock" refrigerant inside the outdoor unit or a specific part of the system during maintenance.

LTL (Less Than Truckload) Freight Shipping is the standard method for transporting large, heavy HVAC components like Central Condensers.

Liftgate delivery is a specialized service we include with most of our LTL Freight Shipments.

A line set consists of two copper pipes that connect the indoor air handler to the outdoor condenser unit.

A line set consists of two insulated copper tubes that carry refrigerant between the indoor and outdoor units.

A Line Set Cover is a decorative and protective PVC housing used to hide the copper pipes and wires on the exterior of your home.

A line set cover, commonly known as Slimduct, is a PVC housing that hides the copper pipes and wires on the outside of your home.

The liquid line is the smaller of the two copper pipes in a mini-split Line Set.

The liquid line is the smaller of the two copper pipes in a refrigerant line set, carrying high-pressure liquid refrigerant from the condenser to the indoor unit.

The lock-out temperature is a programmed setting that prevents a heat pump from running when the outdoor air is too cold to be efficient.

At South Mini Splits, we make getting your equipment easy with Texas & Florida Warehousing for faster transit times.

Low-ambient cooling is a specialized feature that allows an air conditioner to continue cooling even when the outside temperature is very cold.

Low-ambient heating, often referred to as "Hyper Heat" in some brands, allows a heat pump to provide effective warmth even when outdoor temperatures drop well below freezing.

The low-pressure switch is designed to turn the system off if the refrigerant pressure drops below a certain level.

MCA is a technical specification found on the unit's nameplate that tells you the minimum wire size required for a safe electrical installation.

MOP is the maximum allowable size for the circuit breaker or fuse protecting your HVAC equipment.

Making home comfort accessible is our goal, which is why we carry a full line of MRCOOL DIY systems.

MRCOOL DIY systems are world-renowned for their innovative "Easy Connect" line sets that allow for installation without professional HVAC tools.

A manifold gauge set is the primary diagnostic tool used to monitor the pressures within an air conditioning system.

Manual D is the industry standard for designing the ductwork in a Central Condenser or Shop All Ducted system.

A Manual J load calculation is the professional standard for determining exactly how many BTUs a specific home or room requires based on insulation, windows, and climate.

A micro-channel coil is a type of Condenser Coil made of all-aluminum flat tubes with small internal channels.

A micron gauge is a high-precision tool used by HVAC professionals to measure the level of vacuum in a refrigeration system.

A micron gauge is a highly precise instrument used to measure the vacuum level in an HVAC system during the evacuation process.

Mitsubishi's Hyper-Heat technology is a market leader in cold-climate heat pump performance, allowing units to provide 100% heating capacity even when outdoor temperatures are -5°F.

Mobile home air conditioners are specialized units designed to meet the unique space and structural requirements of manufactured housing.

These are specialized packaged systems specifically designed to meet the HUD requirements for manufactured and mobile homes.

A mounting bracket is a heavy-duty steel or aluminum frame used to hang the outdoor condenser unit on an exterior wall.

A multi-position air handler is an indoor unit designed to be installed in several different orientations: upflow, downflow, or horizontal (left or right).

For homes with diverse layout needs, a Multi-Zone System allows a single outdoor condenser to power multiple indoor units.

A multi-zone floor console is a specific type of indoor air handler that sits low on the wall or on the floor, designed to be connected to a larger multi-room outdoor condenser.

A multi-zone system is the perfect solution for homeowners who need independent temperature control in different rooms of the house.

A multi-zone system allows a single outdoor condenser to power multiple indoor air handlers, each with its own independent thermostat.

A nitrogen pressure test is a critical step where an HVAC Pro pumps dry nitrogen into the system to check for leaks before adding refrigerant.

A nitrogen pressure test is a procedure where dry nitrogen is pumped into a newly installed system to check for leaks before refrigerant is introduced.

A non-fused disconnect is a safety switch located near the outdoor unit that allows a technician to cut power quickly.

The OLMO Sierra Series is an excellent entry-point for those seeking modern comfort without the premium price tag.

The OLMO Sierra Series offers an excellent balance of affordability and modern features, making it a great choice for budget-conscious homeowners.

For customers seeking high-quality alternatives, our OLMO and Bravo collections offer exceptional reliability and value.

The Olivia Midnight Series is the ultimate choice for homeowners who want their HVAC system to match a modern or high-end interior design.

An overload protector is a safety device within the compressor motor that shuts off power if the motor becomes too hot or draws too much current.

A P-trap is a U-shaped pipe section installed in the condensate drain line of an air handler to prevent sewer gases or outdoor air from being pulled into the system.

A P-trap is a U-shaped section of pipe in the condensate drain line that prevents sewer gases or outdoor odors from entering your home.

PTAC units are self-contained heating and cooling systems commonly found in hotels, assisted living facilities, and small apartments.

A PTAC is a self-contained, through-the-wall heating and cooling system commonly found in hotels, hospitals, and senior living facilities.

A packaged unit is a complete HVAC system where the heating and cooling components are all housed in a single cabinet located outdoors.

A penta-zone system is our largest residential multi-split configuration, allowing for up to five independent indoor units to be connected to one condenser.

A plastic condenser pad provides a lightweight but extremely durable foundation for your outdoor unit to sit on.

Not every space allows for a permanent installation, which is why we offer versatile Portable Air Conditioners.

A portable air conditioner is a standalone unit on wheels that can be moved from room to room, requiring only a window for the exhaust hose.

A pre-charged line set is a revolutionary installation component that comes with the refrigerant already sealed inside the copper piping.

A professional-grade system refers to high-performance HVAC equipment that is designed for installation by a licensed contractor.

To ensure your Warranty Registration remains valid, a professional installation involving a Nitrogen Leak Test is highly recommended.

Quad-zone systems are robust HVAC solutions capable of managing the climate for four separate indoor spaces.

Quick-connect line sets are a revolutionary component used primarily in our DIY Mini Split collection.

This next-generation refrigerant is the industry’s solution for lowering Global Warming Potential (GWP) as the HVAC sector transitions away from R-410A.

R32 is a next-generation refrigerant that offers better performance and a lower environmental impact than older gases.

As the HVAC industry moves toward more environmentally friendly refrigerants, the R454B single-zone system is becoming the new gold standard for residential cooling.

The R454B transition is the current industry-wide move toward a more environmentally friendly refrigerant standard.

The refrigerant charge is the specific amount of refrigerant (measured in ounces or pounds) that a system requires to operate correctly.

Refrigerant charging is the process of adding the correct weight of gas to your Heat Pump System for peak performance.

A refrigerant charging scale is a precise electronic platform used to weigh gas as it is added to your Heat Pump System.

A refrigerant manifold is the internal hub in a Multi-Zone outdoor unit that splits the gas between multiple indoor heads.

POE (Polyolester) oil is a synthetic lubricant used in Heat Pump Systems that utilize R410A, R32, or R454B.

Refrigerant recovery is the process of safely removing the gas from an HVAC system before it is serviced or replaced.

Refrigerant recovery is the process of removing refrigerant from a system and storing it in a certified cylinder so it doesn't escape into the atmosphere.

A refrigerant recovery machine is a specialized pump used to extract gas from an HVAC system without releasing it into the air.

A refrigerant scale is a precision electronic tool used to weigh the gas as it is added to an HVAC system.

Maintaining your HVAC system is simple with our comprehensive inventory of Replacement Parts.

Finding the perfect climate control solution starts with our diverse range of high-performance residential units.

The reversing valve is the specific component that allows a heat pump to switch between cooling and heating modes.

SEER2 is the updated 2023 version of the Seasonal Energy Efficiency Ratio, reflecting new testing standards that better simulate real-world external static pressure.

The SEER2 rating is the updated industry standard used to measure the seasonal energy efficiency of air conditioning systems.

The self-cleaning function is a smart feature on many of our Wall Mount units that helps keep the indoor coil fresh.

The service port is the access point on the outdoor unit where a technician connects their Manifold Gauge Set.

Short cycling occurs when an HVAC system turns on and off too frequently, usually because it is oversized for the space.

Short cycling occurs when an HVAC system turns on and off too frequently, which prevents it from reaching its peak efficiency or properly dehumidifying the space.

Static pressure is the measure of resistance that the air handler's blower must overcome to move air through the ductwork.

Subcooling is a technical measurement used by HVAC professionals to determine if a system has the correct refrigerant charge.

The suction line is the larger of the two copper pipes in an HVAC line set, and it carries low-pressure refrigerant gas from the indoor unit back to the compressor.

Superheat is the measurement of the temperature increase of the refrigerant gas after it has fully evaporated in the indoor coil.

An HVAC surge protector is an external device installed at the disconnect box to protect the sensitive inverter boards in your system from power spikes.

A TXV is a precision component that automatically adjusts the amount of refrigerant flowing into the evaporator coil based on the cooling load.

A TTW unit is a self-contained air conditioner designed to be permanently installed through an exterior wall, often inside a dedicated wall sleeve.

A universal floor/ceiling unit is a versatile indoor air handler that can be installed either horizontally against the ceiling or vertically against a low wall.

A vacuum pump is a mechanical tool used to remove air and moisture from the refrigerant lines before the system is charged.

A variable speed blower is an indoor fan motor that can change its speed incrementally to provide a constant flow of air.

A voltage monitor is a diagnostic or protective device that ensures the power entering your HVAC system is within the safe operating range (usually 187V to 253V for a 230V system).

A wall bracket is a heavy-duty steel support system used to mount the outdoor condenser unit off the ground and onto the side of a building.

A wall sleeve is a metal or plastic housing installed through a wall that holds a PTAC (Package Terminal Air Conditioner) unit or a "through-the-wall" AC.

A Wi-Fi module is a small dongle or built-in chip that allows you to control your HVAC system via a smartphone app from anywhere in the world.

A wind baffle is a metal shield installed on the outdoor unit to prevent strong winds from interfering with the fan's operation or the defrost cycle.

Zoning is the practice of dividing a home into different areas that can be heated or cooled independently.