Powerblanket multi-duty heating blanket

The multi-duty heating blanket from Powerblanket can thaw frozen ground (up to 24 inches deep) and protect construction materials and machinery from freezing. Featuring GreenHeat technology, the blanket uniformly distributes an insulated barrier of heat while consuming low levels of energy. Blankets range in size from 2-by-2 feet to 11-by-23 feet. Custom sizes available. Standard blankets are rated to -10 degrees F, while Arctic blankets are rated to -40 degrees F. 877/398-7407; www.powerblanket.com.