The Goodman Company of Houston, Texas is sounding the alarm about power cords on some air conditioning and heating units.

The recalls involves about 233,500 units. Goodman says the cords can overheat, posing a burn and fire hazard. The company has received five reports of power cords smoking or catching on fire. No injuries have been reported.

Consumers should immediately stop using the affected units and unplug them.

The recall involves Amana, Century, Comfort-Aire, Goodman and York International-branded Packaged Terminal Air Conditioners and Heat Pumps.

The units are rated 230/208 volt, 3.5 kW and are most often installed in walls of hotels, motels, apartment buildings and commercial spaces to provide room climate control. The recalled units are beige with serial numbers ranging from 0701009633 through 0804272329. The brand name is located on the unit's front cover.  The serial number is located on the control board plate found by lifting the unit's front cover.

For Amana, Goodman and York International-branded units call (800) 366-0339 from 8 a.m. to 5 p.m. CT Monday through Friday.  For Comfort-Aire and Century-branded units call toll-free at (877) 442-4482 from 8 a.m. to 5 p.m. ET Monday through Friday. For all products, go to www.amana-ptac.com and click on Recall Info at the bottom right corner of the page for more information.

You can also go to www.amana-ptac.com to request a free replacement power cord. Non-commercial owners will receive free installation of the power cord and inspection of the PTAC control board for damages. If the control board has been damaged by the recalled power cord, non-commercial owners will also receive a free installation of a replacement control board. Commercial owners are being contacted directly and will install the power cord and inspect the control board. If the control board has been damaged by the recalled power cord, Goodman will provide a new control board for commercial owners to install.

Sold through Goodman and heating and cooling equipment dealers nationwide from January 2007 through June 2008 for between $700 and $1,000.