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Hitech Central Air Inc. (PTAC Experts)

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Portable Air Conditioner Maintenance Requirements

Portable Air Conditioners (PAC) in NYC

Mini Portables, Room Portable Air Conditioners, Commercial Portables Our Products What is Portable Air Conditioner (PAC)?

Portable air conditioners are air conditioning units that can be transferred from one room to another.They're self-contained systems that do not require any permanent installation. However, portable ac do require venting via a window or wall. Once you've positioned the portable air conditioner where you'd like it, you must set the exhaust hose through an opening to the outside.

so that it can vent hot air out of the room. How are they installed?

It's necessary to vent portable ac because they extract hot air. If you want your air conditioning system to cool the room effectively, you need to let the hot air vent to the outside.When you purchase a portable ac, the venting kit will almost always be included.Portable air conditioners can also be vented through a window, wall, ceiling or even a door. Plexiglas is generally used for venting portable air conditioning systems through casement windows.First, you need to cut the Plexiglas to the size of the window. Then cut a 5" hole and set this over the open window. With this, the portable air conditioning unit will vent the hot air to the outside. Also, an option of Plexiglas installation will allow the same amount of light to pass through the window as regular glass.

What size air conditioner (BTU level) do I need?

Similar to other types of room ac, portable ACs measure their power in BTUs. The more BTUs of cooling power a PAC has, the more room it can cool.Use the following guidelines to determine the portable air conditioner capacity that your space requires.These calculations assume that you have standard 8-foot ceilings:

7,500 BTUs will cover 150 sq. ft. x 8-ft. ceiling = 1,200 cubic feet - 9,000 BTUs will cover 200 sq. ft. x 8-ft. ceiling = 1,600 cubic feet - 10,000 BTUs will cover 300 sq. ft. x 8-ft. ceiling = 2,400 cubic feet - 12,000 BTUs will cover 400 sq. ft. x 8-ft. ceiling = 3,200 cubic feet - 13,000 BTUs will cover 450 sq. ft. x 8-ft. ceiling = 3,600 cubic feet - 14,000 BTUs will cover 500 sq. ft. x 8-ft. ceiling = 4,000 cubic feet

I have a casement/crank-out window. Can I configure my PAC to exhaust air out of this type of window?

Unfortunately, there are no portable air conditioner units with a window kit that will fit a casement window. Some customers have creatively fashioned a solution using Plexiglas to cover their entire window area. Then, they cut a small hole into the Plexiglas for the hot air exhaust hose.

Can I discharge the hot air out of a sliding glass door or sliding glass window?

Danby DPAC12099 Vertical Installation

Most portable air conditioners can be easily vented through traditional double-hung windows, also known as vertical sash windows, using window kit accessories. These same accessories can typically be used for venting a portable air conditioner through a sliding glass window as well. Some User Manual provides detailed instructions for installing this portable AC into a sliding glass window. The configuration should look similar to diagram on the left.

Venting portable air conditioners through sliding glass doors is much more complex than simple window installations. The window installation kits used for traditional windows typically don’t extend far enough to cover the height of the door. For sliding glass door installations,

we recommend using at least two window installation kits that are designed to work with your particular portable AC to completely cover the door opening. The two window installation kits can then be secured together using screws. Plywood and Styrofoam can also be used as covering and insulation material when installing a portable air conditioner into your door frame.

Regardless of the installation that you intend to perform, always consult the owner’s manual for instructions, guidelines, and cautionary information.

As self-contained cooling systems, portable air conditioners are great for keeping rooms, offices, apartments, RVs, and even computer server rooms at comfortable temperatures because they can be easily moved and require no permanent installation.

However, portable air conditioners still require venting through a window or wall with the help of an exhaust hose before cooling can begin. Even so, portable air conditioners have less maintenance requirements than swamp coolers. The following are some common maintenance requirements that are associated with most portable ACs:

Venting

Portable air conditioners don't require permanent installation, but the condensed hot air must be vented out of the room via a venting kit (usually included). This allows the vent hose to be slid into a window, with the exhaust hose being fitted into the appropriate window space.

In some situations where venting through a window isn't feasible, a portable AC can also be vented through a drop ceiling or wall. Although this method may require more work than if the unit was to be vented using a standard window kit, this will allow you to cool an area that lacks windows. See our short video on venting portable ACs here:

Draining the Water

During the cooling process, your portable air conditioner acts like a dehumidifier because it removes water from the air. Most of this water is used to cool the actual AC and this results in better cooling efficiency. In fact, if you reside in an especially humid area, a good amount of water may be collected. However, this condensate must be removed, and portable air conditioners use various methods to accomplish this task.

Portable ACs will collect condensate in buckets which need to be emptied, but more advanced room air conditioners have the ability to evaporate more of this moisture, therefore resulting in less or even no water to be emptied.

Furthermore, most portable air conditioners can support the connection of a drain hose that allows water to be drained continuously, and there are even condensate pumps available which pump the water outside or into a drain pump located indoors.

To simplify maintenance, choose a portable AC with auto-evaporative technology because the tank will not need to be emptied as frequently (unless used in an extremely humid climate).

Cleaning & Replacing the Filters

To simplify maintenance, choose a portable AC with auto-evaporative technology because the tank will not need to be emptied as frequently (unless used in an extremely humid climate).

Portable air conditioners will usually have some sort of air filter to eliminate airborne particles, and some advanced units may even come with built-in air purifiers complete with carbon filters and ionizers. For effective particle abatement and optimal cooling efficiency, regularly clean or replace the filters in your portable AC. This should occur on a bi-weekly or monthly basis, depending on use.

If your portable air conditioner has a washable filter, slide the filter out, immerse it in warm water with a mild detergent, rinse thoroughly, and let it dry before replacing it back into the unit. On the other hand, if you have a portable air conditioner with a carbon filter, replace this according to the manufacturer's instructions.

Cleaning the Exterior

A clean portable air conditioner will result in increased air volume, so the actual housing of the unit should be cleaned every few weeks. Wipe the surface of the unit with a soft, damp cloth when the unit is turned off, and don't use abrasive chemicals or detergents. Furthermore, try to keep the portable AC away from direct sunlight because this can change the color of the unit's surface.

End of Season Storage

At the end of summer, don't forget to properly store your portable air conditioner . Doing so will ensure cooling efficiency and prolong the life of the unit. Store your AC by turning off and unplugging the unit, draining all water from the water tank, and turning on the fan mode.

After letting the interior dry for a few hours, clean the filter as outlined above, wrap the cord around the cord hooks, pack the unit in the original carton, and store it in a dry location. If your portable air conditioner also includes a built-in heater function and can be used year-round, it should be maintained as you would any other type of AC.

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