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Enclosed Flame, Electric and Convection Heaters

St. Louis, MO Temporary Heat for Construction

Direct Fired, Indirect Fired, Enclosed Flame, Convection, Electric Heaters, Ground Thaw

e3000 Hydronic Ground Heater on a construction site

Ground Thaw and Concrete Curing

On Site Companies can provide you with efficient concrete curing and ground thaw equipment for the St. Louis area. These hydronic heater systems can be used with insulated round blankets help to insulate heat into the ground the produce even and fast curing or quick ground thawing in the coldest temperatures.

Direct Fired Heater used on side of building

Direct Fired Heaters

We have a wide variety of direct fired heaters for rent at our St. Louis location. All of the direct fired heaters are designed to be portable, and by using one of our thermostats, you can leave them unattended for long periods of time. On Site can provide you with quality temp heat rentals for your construction and industrial site. Through pressurized methods, direct fired heaters will rapidly heat large spaces and forces moisture and contaminates outside. No other system can match this type of heater for ease of use and cost effectiveness. These heaters work well for most construction sites and burn 100% outside air.

Indirect FIred Heaters

Indirect Fired Heaters

Indirect Fired Heaters from our St. Louis, MO branch will provide your construction site with clean burning temporary heat. Our indirect fired heaters are dual fuel heaters that are convenient and portable. These enclosed flame heaters are great at ventilating harmful fumes outside of your job site, and providing clean and dry air into the site. All Indirect fired heaters are meant for temporary heating.

Direct Fired Enclosed Flame Heater used for tent heating

Direct Fired Enclosed Flame Heaters

On Site Companies of St. Louis, Missouri has three models of direct fired enclosed flame heaters that are perfect for home builders, construction sites and special events. These portable heaters have an enclosed flame and are safe and quite for use. All direct fired enclosed flame heaters come with a thermostat, so you can set the ideal temperature and leave the heater unattended for both your construction site or your special event tent.

Electric Space Heater

Electric Heaters

On Site Companies provides a range of electric heating solutions available for rent that can fit a range of needs. These electric space heaters are designed to be used in small spaces where non-combustible heat sources are required. On Site Companies electric heaters allow you to provide heat to your building, without having to vent out fumes. This equipment is clean, quiet, compact and does not add any relative humidity to the space that they are located in. This allows you to heat any area in a safe and efficient manner.

Convection Heater

Convection Heaters

On Site Companies has a line of convection heaters available to rent that can fit the temporary heating needs of your job site or home. Convection heaters are perfect for use when you need temporary heating, but you do not have electricity or natural gas available for a fuel source. Convection heaters instead use vapor propane to produce direct fired heat. 

heat exchanger being used on construction site

Heat Exchangers

Heat exchangers are used to process liquid heat into clean, dry heat that can be vented into any space. These heat exchangers are designed to be either used with our Pureheat system, or a stationary boiler. These exchangers come in two different sizes to fit your air volume needs. Speak with one of our heat sales representatives today to see if our On Site’s line of heat exchangers are right for you.