An upgraded version of TB2 diesel heater. The wireless remote with a built-in CO sensor and temperature monitor. With automatic start-stop, altitude mode, and APP control functions. Achieves 36% greater fuel efficiency through an upgraded aluminum body, redesigned combustion chamber. Rated power 8KW, dual 12V/24V and 110V/220V power options. Fit for daily use and longer trips.
An upgraded version of TB2 diesel heater. The wireless remote with a built-in CO sensor and temperature monitor provides real-time alerts and automatic shut-off when dangerous carbon monoxide levels are detected. With automatic start-stop, altitude mode, and APP control functions. Rated power 8KW, dual 12V/24V and 110V/220V power options. Fit for daily use and longer trips.
Efficient & Economical
Our heating system achieves 36% greater fuel efficiency through an upgraded aluminum body, redesigned combustion chamber, and intelligent algorithm optimization. This means you enjoy faster heating and significantly lower diesel consumption, making it ideal for both daily use and longer trips.
Smart & Safe Remote
The wireless remote comes with a built-in CO sensor and temperature monitor, providing real-time alerts and automatic shut-off when dangerous carbon monoxide levels are detected. You can safely control your heater from inside your vehicle or room without any worries.
Quiet & Stable Operation
Featuring an enlarged 90mm air duct that reduces wind resistance and noise, the heater operates almost silently. The optimized airflow also minimizes the risk of overheating, enhancing durability and user comfort.
All-Terrain Ready
With automatic altitude compensation up to 18000 ft and real-time elevation display, this heater delivers consistent performance in high-altitude environments. No manual adjustments are needed—just reliable heat wherever you go.
App Control & Full Safety
Seamlessly connect your smartphone via Bluetooth and the HCALORY app to adjust settings, set schedules, and monitor performance. Comprehensive safety protections—including overheat and short-circuit prevention—ensure peace of mind during operation.
Host *1
AC-DC Power Apply (Optional purchase)
Wire harness *1
Exhaust Silencer *1
Exhaust pipe *1
Intake pipe *1
Air Outlet Pipe *1
Air Filter *1
Vents *1
Manual *1
Fixture Accessories set
LCD Switch *1
Remote control *1
Controller extension cord *1
1. Can I use the TB2 diesel heater during warmer months like spring or summer?
Yes. The TB2 features a ventilation mode, allowing you to circulate air without heat—perfect for spring camping, van life, or mild weather RV use.
2. What power options does this portable diesel heater support?
It supports both 12V/24V DC and 110V/220V AC power, making it highly versatile for use in RVs, vans, trucks, cabins, or garages.
3. How fuel-efficient is the TB2 diesel heater for off-grid use?
Very efficient. The fuel consumption ranges from 0.036 to 0.1 gal/h, and the 6L built-in tank provides up to 32% longer runtime than previous models—ideal for overnight heating without refueling.
4. Is this heater suitable for high-altitude areas?
Yes. With Plateau Mode support for up to 20,000ft elevation, the TB2 ensures stable heating and complete combustion, making it ideal for mountain camping or ski trips.
5. How do I control the TB2 heater remotely?
The TB2 offers Bluetooth app control, letting you adjust temperature, set timers, or activate altitude mode directly from your smartphone. It also includes a remote control and an LCD panel for flexible operation.
6. Is the TB2 easy to install and move around?
Yes. Its toolbox-style design is compact and all-in-one, making it portable and DIY-friendly for camper van setups, truck cabins, or home garages.
7. Can the TB2 heater warm multiple areas in my RV or van?
Yes. You can pair the TB2 diesel heater with an optional 90mm Y Branch Air Ducting Connector to direct warm airflow into multiple zones of your RV, camper, or van. This add-on makes it easy to create a multi-room heating setup, improving comfort and efficiency for different areas.
8. Can I use the TB2 Diesel Heater on a boat?
Yes, you can — but please use with care. TB2 is a portable heater and not specifically designed for permanent placement in one fixed location. If you plan to use it on a boat, please consider the following:
(1) Light rocking and vibration are acceptable, but ensure the heater remains upright and stable. Movement could loosen the air or exhaust pipes, so check them regularly.
(2) The unit must remain upright to avoid fuel leakage or malfunction.
(3) There are no built-in mounting features for securing the unit to a boat. The TB2 was not designed with mounting holes or brackets, so if you need to fix it in place, you’ll need to create a custom solution.
Notes: TB2 is intended as a portable heater. Using it on a boat is possible, but requires extra care in placement and stabilization. Many of our customers have successfully used the TB2 in boats, RVs, and off-grid cabins — make sure to keep it stable.
I recently purchased the Hcalory TB2 Plus and I was very pleased so far with my experience. My little rooftop tent was no match for this Diesel heater. I used it all night long for 4 nights and never set it any higher than level 1. My cousin also bought one and easily heated a 12 man tent. Id recommend this heater to anyone looking to camp in style.
TB2S+ Diesel Heater Toolbox 2s Plus, 6L Wireless Remote Upgraded
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E-Mail an: hcalory@hcalory.com