Air Conditioner

Stay comfortable on those hot summer days with the right air conditioner! HomElectrical offers a wide variety of air conditioning units to best fit your space. Discover a selection of air conditioner units, including packaged AC units, window units, window air conditioners, portable air conditioning units, and a variety of other units to keep you cool. With AC condensers available in many sizes, CFM, and BTU options, you’re sure to find a quality selection of air conditioner options at HomElectrical.com.

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What is air conditioning?

An air conditioner provides cool air to a room or enclosed space. Air conditioning, often abbreviated as AC, A/C, or air con, refers to the process of adjusting the temperature of a space by removing heat and controlling humidity. Using a system of refrigerant, compressor, coils, and other mechanical components, they transfer this unwanted heat outside.

In homes and commercial buildings, air conditioning helps maintain personal comfort. In some industrial spaces, it can see use keeping equipment in a temperature controlled space.

You can find a wide variety of air conditioner units, including split systems, portable units, window units, packaged terminal air conditioners, and more. Additionally, some heat pumps can supply both cooled and heated air.

What is a packaged HVAC system?

Packaged HVAC systems house all of their components, like the heating and cooling components, in a single unit. Where split systems, like standard central split or ductless mini splits, require both an indoor and outdoor unit, packaged HVAC systems require only one unit. This unit typically gets placed outside, either on the roof of a commercial building or on the side of a home. They may see use heating and cooling homes without a basement or crawlspace while larger units may install on the roof of a commercial or multi-tenant residential building.

You can choose from a few types of packaged HVAC systems:

A packaged air conditioner houses the compressor, evaporator coil, condenser coil, and air handler in a single unit. A packaged air conditioner typically only cools but may offer heating using heat strips. They work well in areas with limited space as they require less space than a split system.

Packaged gas-electric units combine an electric air conditioner and gas-powered furnace technology.

Packaged heat pump systems utilize a heat pump to heat and cool a home. They combine heating and cooling components as well as an air handler into a single unit. They can keep your home comfortable in an energy efficient way.

Packaged dual-fuel systems, sometimes called hybrid units, operate similarly to packaged heat pumps. However, these systems utilize a gas furnace as well. The heat pump provides efficient air conditioning during the warmer months and heat in cooler temperatures. Once the temperature drops in the winter months, the gas furnace takes over to provide heat instead.

What is the SEER rating?

SEER stands for Seasonal Energy Efficiency Ratio. SEER ratings function as an efficiency rating to measure how efficiently the air conditioner operates. Higher SEER ratings mean higher efficiency. The minimum standard SEER rating for air conditioners is 13, though older AC units may operate with a lower SEER rating.

What is the difference between a room air conditioner and centralized air conditioning system?

Room air conditioners cool a single room or space, unlike central air which can cool multiple rooms. A room air conditioner could be a window, wall mounted, or portable unit. Central AC systems provide cool air from a central location and utilize ductwork to transfer that air. They can provide more energy efficiency than a room air conditioner, which, in the long run, leads to energy savings!

What are the benefits of a window unit?

Window units offer a low-cost alternative to other types of air conditioning systems, including portable units! Unlike central AC systems which come with high installation costs, window units are easy to install. You can also find many energy efficient units, including Energy Star rated window ACs like this MRCOOL 8K BTU/H U-Shaped unit.

Since they install in the window, they work well in areas with limited floor space. Use them in home offices, bedrooms, or living rooms. Window units can also move from location to location if you’re planning on moving.

What is a modular blower?

Modular blowers function as part of a gas and electric split system. Similar to an air handler, modular blowers distribute conditioned air through the building they're installed in.

What is a portable air conditioner?

Portable air conditioners (PACs) offer a convenient way to cool a room. They consist of self-contained portable AC systems that plug into a nearby socket and vent out through the window. These models often see use cooling a room or supplementing central air conditioners by cooling the air in spaces with warm spots. These units usually include wheels or casters for easy portability.

PACs work similarly to other air conditioner units. They pull warm air from the room into the unit, extract the heat, and then release the cool air back into the room. They take the warm air and release it out of the window. Many models also extract humidity and moisture from the air.

They may collect moisture in one of three ways:

  • Self-evaporation - many new models evaporate moisture out of the exhaust vent along with the warm air. This means you don’t have to empty the water yourself.
  • Gravity drain and condensate pump - uses a hose attached to the drain port and directs water into the drain or other location.
  • Internal bucket - used mostly in older units, an internal bucket requires you to manually empty the bucket. You may have to periodically empty it as often as every eight hours.

A single hose portable AC unit pulls warm air from the room and exhausts it outside. These options work well to cool smaller spaces, are usually cheaper than dual-hose units, and provide a quiet operation compared to dual-hose units. However, they can create negative pressure in the home since they dispose of air without supplying any new. Instead, it can cause warm outdoor air to leak through cracks in the seals of windows and doorways.

Dual-hose portable air conditioners use two hoses: an intake hose and an exhaust hose. The intake hose pulls in warm air from outside to cool. Excess warm air and moisture exhaust through the other hose. These units typically cool more efficiently and can cool larger spaces than single hose units. However, they are typically more expensive.

Whynter offers options like this 16.75-in 1100W Portable Air Conditioner with a Smart Wi-Fi connection and 14,000 BTU operation.

Do you need to vent a portable air conditioner outside?

Portable air conditioners use hoses to get rid of the warm air from your home in order to cool it down. That warm air must exit the room in order to feel the effects of the air conditioner. If you don’t vent the warm air out, it stays in the room. This means your room doesn’t cool and you end up wasting money.

Many portable air conditioners include a window kit so they can properly exhaust warm air. These kits typically work with sliding windows, which can pose a problem if you use a swing-open or casement window as they won’t properly seal with these windows. While venting out a window offers the most convenient and popular option, you can vent in other ways.

But if you can’t vent out through a window, your next best option may be a patio door or door that leads outside. Just keep in mind that you need to seal the door to prevent the warm air from coming back inside the home. That way, you can enjoy the benefits of the portable unit.

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