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Restroom Calculator

Need an estimate for how many porta potties your event needs? Use this handy calculator! For a more specific quote tailored to your needs, call us today at 800-210-8407!

special events calculator

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Your Local St. Louis Temporary Cooling Team

The Cooling You Need When You Need It.

Summer is here and with it the hot weather. Hot weather is great for a day on the river, but less great for your project. When you need reliable cooling this summer, call On Site Companies. We offer a wide variety of air conditioners for every size space with 24/7 technical support.

You need your systems to function to meet the needs of not just your team, but your clients. Keep your project going this summer when you rent cooling and dehumidification from On Site.

MOB-42 Portable Air Conditioner

The MOB-42 is a temporary air conditioner that fits most small spaces. It can be wheeled into most any space to provide cooling to areas that don’t have stationary air conditioning. It can be used in stationary areas as well as special events tents.

MOB-60 Portable Air Conditioner

The MOB-60 temporary air conditioner is the perfect size of air conditioner for a medium sized space. It is perfect for cooling down large tents for special events, as well as construction sites that need cooling and dehumidification services.

MOB-250 Portable Air Conditioner

The MOB-250 portable air conditioner is our largest air conditioning unit offered by On Site Companies. This unit can be placed outside of buildings to have cool air ducted in to provide relief from heat as well as dehumidification to construction sites.

MOB-100 Portable Air Conditioner

The MOB-100 temporary air conditioner is a larger sized air conditioner that is meant for large air conditioning and dehumidification jobs. These air conditioners are designed to be placed outside of a structure and cool air can be ducted in.

St. Louis’s Best Kept Secret

On Site is proud to be celebrating 15 years of being part of the St. Louis community in 2019. We’ve been with St. Louis through good times and bad and can’t wait for the next 15 years. Even though our head office is in Minnesota, every member of our St. Louis team is a St. Louis native, living and working in the St. Louis community their entire lives.

Get Started Now!

AJ is ready to help you with a custom quote! Fill out the form below or call him at 636-519-0507 to rent now!






The Cooling You Need When You Need It.

Summer is here and with it the hot weather. Hot weather is great for a day on the river, but less great for your project. When you need reliable cooling this summer, call On Site Companies. We offer a wide variety of air conditioners for every size space with 24/7 technical support.

You need your systems to function to meet the needs of not just your team, but your clients. Keep your project going this summer when you rent cooling and dehumidification from On Site.