Event trailers, heated, Porto, wash cars,construction Our units are built to the highest standards and are designed to withstand extreme temperatures and conditions. The interior and exterior are designed with easy-clean surfaces and with the built in heater and insulated walls have been used as far north as Churchill, MB. These units are multi functional portable bathrooms that can be used all year round. It is a modern day essential for all construction sites as well as a convenient addition to festivals, fairs and other outdoor events. While providing increased sanitation for your staff or guests; you will also be exceeding the requirements implemented by new government regulations demanding more hygienic services for otherwise uncontrolled environments.