- Genuine Espar burners for reliable ignition and efficient combustion
- Sealed ECU and weather‑resistant assemblies for rain, dust, and wash‑downs
- Silent fuel delivery for better sleep than "ticking" budget pumps
- Designs informed by multi‑season, multi‑state field testing
Collection: Camp Heaters
Stay warm from desert nights to 13,000‑ft alpine camps. TTN builds heater systems around genuine Espar burners with sealed electronics, silent fuel delivery, and field‑tested mounts. Whether you need a bolt‑on truck camper install or a flexible portable setup for an RTT or ground tent, this collection brings together the right solution plus the accessories to complete your kit.
Hot Box Original — Universal Diesel Heater for Any Adventure
Built for roof top tents, trailers, and vehicles. Flexible design adapts to any setup with multiple mounting options. Premium Espar D2L core, sealed waterproof case, silent pump, tested to 13,000 ft. Perfect for versatile camping setups without permanent installation.
This all in one kit is ready to go. If you need a mounting solution, check out our Hanging Heater Mount below!
- Best for: Roof top tents, overlanders, and multi-vehicle camping setups
- Why it wins: Ultimate flexibility. Portable or mounted. Proven reliability anywhere.
Hot Box Camper — Bolt‑On Diesel Heater for Truck Campers
Built for hard‑sided campers like GFC, Alu‑Cab, and Four Wheel Campers. Recirculating design keeps hoses out of windows and heat inside where it belongs. Genuine Espar D2L core, sealed ECU, silent pump, tested to 13,000 ft. Ideal for frequent, high‑elevation travel and zero‑fuss camp setup.
- Best for: Hard‑sided truck campers and enclosed trailers
- Why it wins: Permanent, clean install. Reliable at altitude. Minimal setup.
Hanging Diesel Heater Mount — Elevate and Shorten Duct Runs
Suspend your Hot Box Original at tent‑entry height from an RTT ladder, vestibule, or awning structure. Shorter duct = more delivered heat and a cleaner camp footprint. Integrates the RotopaX tank for a single, tidy unit.
- Best for: RTT and tent users who deploy/stow each trip
- Why it wins: Better heat delivery, less ground clutter
- This mount is the perfect addition to our Hot Box Original
Universal Backing Plate — Reinforcement for Thin‑Panel Campers
Distributes load across thin composite panels on GFC, Alu‑Cab, and similar campers to prevent stress cracking. Matched bolt pattern for the Hot Box Camper case.
- Best for: Permanent installs on lightweight camper shells
- Why it wins: Long‑term durability and clean fitment
Fuel Tank Only — 2‑Gallon RotopaX for Heater Installs
A modified 2‑gal RotopaX diesel tank purpose‑built to pair with TTN heater systems or DIY builds. Choose horizontal or vertical orientation.
- Best for: Spare/replacement tanks, custom heater plumbing
- Why it wins: Compact, durable, and easy to integrate
Which Heater Fits Your Rig? Watch and Decide
Comparison: Which Heater is Right for You?
| Use Case | Hot Box Camper | Hot Box Original |
|---|---|---|
| Setup time at camp | None — flip the switch | 2–3 minutes |
| Mounting | Permanent, exterior bolt-on | Portable or hanging |
| Best for | Hard-sided campers & high-elevation trips | RTT/ground tents & multi-rig flexibility |
| Altitude Performance | Up to ~13,000 ft (Espar D2L) | Up to ~13,000 ft (Espar D2L) |
Why TTN Heaters Perform in the Real World
Frequently Asked Questions
Will these work at altitude?
Yes. The Espar D2L systems in our Hot Box units are rated for high‑elevation operation and have been tested across mountain climates.
How big of a battery do I need?
Plan for 80–100Ah usable capacity for overnight stays in cold conditions. Startup draws briefly spike; steady‑state draw is low.
Is the portable heater safe in wet weather?
The case is modified for weather resistance and the electronics are sealed. Avoid submersion and keep exhaust routes clear.