EdgeStar Portable Air Conditioner & Heater with Energy Efficient Design

Based on our independent testing, the  EdgeStar AP420HS Extreme Cool Portable AC & Heater is our top overall pick in our 2008 lineup. It offers the perfect combination of cooling power, reliability, energy efficient design - unmatched by any other unit on the market. We recommend this stylish silver portable air conditioner and heater as the best choice for cooling or heating rooms from 300 to 425 sq. ft.

Another great feature of this portable air conditioner is that it is an environmental friendly unit - It meets new RoHS standards. RoHS, also known as the lead-free directive, stands for Restriction of Hazardous Substances. The goal of RoHS is to restrict the amount of certain toxins in electronic and electrical equipment such as lead, mercury, and cadmium. This restriction lessens the harmful impact these toxins can have on the environment and allows for the safer disposal and recycling of electronics and electrical equipment.

Key Features Include:

• Coldest Air Flow of any Unit Tested- Extreme Cool design uses a more efficient compressor than the competition & delivers higher airflow volume. This helps to bring down the temperature of your room faster than other units.
• Self-Evaporative System- This AP420HS offers a new patented Z-Spray auto drain exhaust system that essentially eliminates the need to empty any water from the unit. It also offers a direct drain option that allows you to run the unit 365 days a year without having to empty any water accumulation.
• Cool Boost Technology - Provides a cooling boost that allows the unit to operate more efficiently and lower your energy cost.
  
• Environmentally Friendly: Meets RoHS Standards - This directive currently being enforced in the European Union requires electronic products to restrict the amount of harmul toxins such as lead and mercury (http://www.rohs.gov.uk/).
  
• Superior Reliability: Through quality construction and  more durable internal components, the AP420HS is designed to last longer and work in more rigorous environments than other brands.

Portable Air Conditioner Product Rating*:

Quick Spec Guide - EdgeStar AP420HS Portable Air Conditioner   Ratings   Power & Noise   Primary Features   Cooling Power Price Airflow Features   - BTU: 12,000 - Recommended Room Size: 300-425 sq. ft. - Thermostat Settings: 62°F - 90°F - Airflow Rating: Best in class - quicker cooling - Energy Requirements: 115 V/60 Hz, 9.3A, 1070W   - Control Type: Electronic with remote - Condensate: All Exhausted** - Hose Type: Single - Exhaust Hose Size: 5"width x 49"length*** - Window Kit Min/Max: 20" - 42"

* This portable air conditioner has achieved our 5 star product rating based on independent testing of its BTU class cooling capacity, durability, and quality of components.
** In high humidity environments there may be some water accumulation. This unit is equipped with a direct drain option for continuous use in this type of environment.
*** All portable air conditioners require that the exhaust hose be vented outside of the room you are trying to cool.
****This portable air conditioner heats through the use of a heat pump process. It is not recommended for use in environments where the ambient temperature falls below 50°F.

Height: 29 1/3"

Width: 14 1/3"

Depth: 15 1/2"

Model: AP420HS Brand: EdgeStar 300-425 sq. ft. ideal room size (depends on heat load) Patented Auto-Drain System - exhausts most or all condensate automatically except under extreme humidity situations Fully functional remote control Thermostat can be programmed to temperatures from 62°F - 90°F and be displayed in either Fahrenheit or Celsius 2 speed fan with directional air discharge louvers Up to 55 pints per day dehumidification CFC-free refrigerant One Year Limited Warranty (90 days labor)  Color: Silver

Direct drain option that allows you to run the unit 365 days a year without having to empty any water accumulation 24 hour programmable timer Washable pre filter and one replaceable carbon filter included Easy grip handles and casters for mobility Maximum noise level: <55dB Window kit (42 inch max) with extendable exhaust hose up to 49" included Weight: 64 pounds Dimensions: 29 1/3"h x 14 1/3"w x 15 1/2"d Energy Requirements (cooling): 115 Volts/60 Hz; 9.3 Amps; 1070 Watts Energy Requirements (heating): 115 Volts/60 Hz; 8.7 Amps; 995 Watts

Portable Air Conditioner Basics

BTU rating
PACs are rated in BTU. The greater the BTU of a unit, the more cooling power it has.

0-150 square feet=7500 BTU
150-250 square feet=9000-10,000 BTU
250-450 square feet=12000-14,000 BTU

These sizing guidelines can sometimes differ from the maximum suggested room size given by the manufacturer, and high heat loads can impair the effectiveness of any air conditioner. Keep in mind that a PAC with too little cooling power will not cool your space adequately, while a PAC with too much power will short cycle, which will burn out the compressor, and not dehumidify your space well at all.

Condensate disposal methods
All PACs dehumidify the air that passes through them. The water removed from the air is called condensate. This condensate is collected in a bucket inside the PAC, but different models dispose of it in different ways:

Drip: These PACs have removable buckets that fill up relatively quickly (every 2-8 hours, depending on conditions) and must be emptied by hand.
Partial Drip: These PACs evaporate most of the condensate and vent it out the exhaust hose. The remainder must be manually emptied from their non-removable internal bucket about once every 12 hours-several days. A few PACs use an internal bucket and drain pump to pump the condensate out via a small tube that fits inside the exhaust hose.
No Drip: Some PACs exhaust all of the water into the air. This feature is nice because it allows you to run the unit without having to worry about water accumulation that must be emptied from time to time.

One hose vs two hoses
Some PACs feature a dual-hose design. This design cools the compressor of the PAC with air from outside your room. This increases the efficiency of the PAC, and also avoids creating a negative air pressure in the room (as single hose PACs exhaust air from your room, causing the room to suck in air from outside). Two potential downsides to the dual tube design exist: if the air outside is too hot (>95ºF) or too humid (>80%) you will not be able to use the second hose, and the dual tube design can be a bit more cumbersome to deal with if you are planning on moving your PAC around frequently.

Modes
Of course, all PACs function as air conditioners, and they can all also be used as fans, but some PACs can be used as dehumidifiers (independent of the air conditioning function) and/or heaters. It may be worth the extra money to get a unit that offers enough different modes to be used year-round.

Control style

Some PACs have electronic controls while others have manual controls. Models with electronic controls generally offer more amenities, such as remote controls, louvers that can be set to auto-swing, and more advanced programmable features. However, one large downside of some models with electronic controls is that if the power to the unit is interrupted while the unit is on, the unit will default to "off" even after the power has been restored. PACs with manual controls tend to be simpler to operate, and they can restart cooling after a power outage without your intervention.

Venting kit
Different PACs have different types of window kits. All window kits share the same basic goal: they are a "filler kit" designed to allow you to vent the exhaust hose out of a window without hot air from outside rushing in. The window kits differ in their material of construction and their maximum widths. Additionally, a ceiling venting kit is available for select models.

NOTE: ALL PACS MUST BE EXHAUSTED SOMEHOW. This can be done a variety of ways, but you must get the hot air out of the room somehow into empty space where it can dissipate. Exhaust hoses should also not be extended longer than 10 feet as they will radiate heat.

You may download a product owner's manual below:

• Download Product Owner's Manual (PDF)

• Get Adobe Acrobat Reader

**Please note, Adobe Acrobat Reader is required to view pdf files

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This product has been Discontinued.

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