15' x 18'' White Duct

In order to keep your heating or cooling units out of sight, connect them to your tent or venue with insulated 12' x 18" White Ducting from Celina. Flexible and durable, each duct is created to function with our THC line of heaters and Wisperkool air...

12' x 12'' White Duct

Keep your tent interior clutter-free by installing White Ducting to your heating or air conditioning unit! Created to be flexible and insulated for minimum exterior environmental intrusion, each duct is 12' (3.7 m) long with a 12" (30.5 cm) diameter...

Remote Thermostat for THC Models

Every THC series box heater from Celina comes with a remote thermostat control as part of the assembled unit. In case you need a replacement, we offer separate Remote Thermostat Controls. Each comes with a 25' (7.6 m) cord.25' (7.6 m) cordReplacement...

Heater Diffuser THC-85

Used with our line of THC-85 Tent Box Heaters, the THC-85 Heat Diffuser attaches directly to the output vent on the unit. Once attached, air (be it heated or simply blown air) is directed to ground level and spread across the length of the diffuser,...

Heater Diffuser THC-175

Celina offers the Heat Diffuser for THC-175 Tent Box Heaters to allow you to design your event without having to accommodate bulky heating equipment. Each diffuser attaches to the THC-175 to blow the warmed air where it's needed, keeping your guests...

Duct Diffuser-THC 355

The Duct Diffuser for the THC 355 allows you to channel heat or air out away from your heating unit. Designed for use with the 350,000 BTU Dual Fuel Heater, the diffuser attaches to the ducts that connect to the unit's output and routes the moving...

Duct Diffuser-THC 85 & 175

For use with either the THC-85 85,000 BTU Propane Heater or THC-175 175,000 BTU Dual Fuel Heater, this Duct Diffuser allows you keep your venue heated in all of the right places while keeping the heating unit out of sight. The diffuser is attached to the...

Duct Diffuser (All THC Series)

THC 355 Duct Adaptor

Included with the base unit, the THC 355 Duct Adapter is used to attach ducting to the 350,000 BTU Dual Fuel Heater. When connected to the heater, the adapter allows the heat or circulating air to run freely through the attached ducting, directly into a...

THC 85 &175 Duct Adaptor

Available for both THC 85 and THC 175 heating units, this Duct Adaptor allows you to connect ducting to your unit to add a direction diffuser or vent the air to whatever area it's needed. Easy to install, each adaptor is offered here as a replacement...

350,000 BTU Dual Fuel Heater

The 350,000 BTU Dual Fuel Heater is the strongest heater Celina offers. Able to use either natural gas or propane, each heater can be placed inside the area to be heated or outside to keep the interior comfortable. When installed outside of a venue,...

175,000 BTU Dual Fuel Heater

Stay toasty with Celina's 175,000 BTU Heater! With both heating and standard air circulation settings, our heater can help in both chilly weather and during those unseasonably warm patches. Each heater can be fueled by either natural gas or propane as...