The SleepTight 400 delivers reliable performance, safeties and an industry-trusted design that imitators simply can’t match.
The Sleeptight 400 is the newest product in Thermal Flow Technologies’ one-of-a-kind patented, indoor propane bed bug heater series with the lowest fuel consumption rate in the bed bug remediation industry! The machine can be carried by hand or transported by a hand cart, operates on just 1-20lb propane cylinder, is ductable, and plugs into a standard wall outlet. Treats up to 500 sq. ft. of occupied space and weighs only 56 lbs!
Proudly made in the USA!
PLEASE NOTE:
Ships on a pallet via truck freight.
Additional shipping charges may apply for liftgate, rural, limited access and residential delivery.
Available on backorder. Expected availability date is 6/12/26.
At Thermal Flow, we understand that choosing the right bed bug equipment can be a daunting task. That's why we encourage customers to call us for expert guidance and personalized assistance in making their purchase.
The Sleeptight 400 Propane Bed Bug Heater is a powerful, compact, and professional-grade solution designed to deliver fast & effective bed bug heat treatments, without the complexity of large electric systems that require multiple electrical circuits.
Engineered for efficiency and certified for indoor use, the Sleeptight 400 allows operators to treat spaces quickly and with confidence. The heater can be placed inside the treatment area or ducted into the treatment area with the optional Duct Adapter Kit.
Fast Heat Treatments
Setup in as little as 5 minutes
Achieves target temperatures in 30–60 minutes in a typical treatment area
4–6 hours average total treatment time
No cumbersome ductwork or circuit splitters required, however, the machine is ductable
High heat output enables rapid temperature rise and consistent kill conditions
Easy to Operate
No direct outdoor access required
Operates from a single 110/120 VAC outlet (no searching for multiple circuits)
Easily transported by one operator by hand or with a dolly
Operate the heater inside the treatment area or use the ductable feature with the optional Duct Adapter Kit.
Up to 8 hours of continuous operation on one standard 20-lb propane tank (runtime may vary)
Certified Safety You Can Trust
OMNI certified to ANSI Z83.7 / CSA 2.14-2017 (U.S. & Canada)
Remote digital temperature controller maintains precise target temperatures
Proven combustion technology with an integrated fresh-air makeup system
Multiple built-in safety sensors
Continuous carbon monoxide and temperature monitoring
Automatic system shutdown in the event of unsafe operating conditions
Compact Power, Professional Performance
Compact enough to maneuver through small elevators and narrow hallways, the Sleeptight 400 delivers serious performance in a small footprint.
Uses less than 10 amps
Plugs into a single 110/120 VAC outlet
Provides up to 42,000 BTU/hr of heat capacity
Equivalent to 11.7 kW of electric heat
Treats areas up to approximately 500 square feet
Uses standard 20-lb propane tanks (same as home BBQ grills)
This powerful output allows the Sleeptight 400 to quickly raise room temperatures into the lethal range for bed bugs, ensuring thorough and effective treatments.
Smart Temperature Control
The included remote digital temperature controller makes setup simple. Operators can:
Set and maintain target temperatures with precision
Automatically hold the desired treatment temperature range
Smaller spaces can be treated in as little as 4 hours, while larger one-bedroom units typically require up to 8 hours.
Built-In Monitoring & Protection
Continuous airflow and flame monitoring
Real-time carbon monoxide detection
Automatic shutdown in the event of elevated CO levels
Standard Accessories Included
(1) Fresh Air Electric Heated Fan Module
(1) 25′ Gas Hose
(1) Single-Tank Manifold
(1) Remote Digital Temperature Controller
Industry-Trusted, Patented Technology
When it comes to bed bug heat treatments, professionals know there’s no room for second-best. Sleeptight heaters feature patented technology engineered for efficient, reliable, and proven results.
The Sleeptight 400 delivers performance and safeties that imitators simply can’t match.
Power & Fuel Requirements
(1) Standard 15-amp wall outlet
Minimum of one (1) 20-lb propane cylinder
Recommended: at least three (3) air movers for optimal heat distribution and penetration
Important Notes Before Ordering
Environmental factors can affect heating performance, including:
Cold outdoor temperatures
Poor insulation
Vaulted ceilings
Concrete walls or floors
These conditions may increase the time required to reach kill temperatures (120º–140ºF) or reduce overall heating efficiency.
⚠️ Treatment areas larger than 500 sq. ft. , even slightly, may not reach recommended temperatures with this unit. Please measure your space carefully. If your space exceeds this size, we strongly recommend selecting a higher-capacity heater from our product lineup.
Who It’s For
Whether you’re a pest control professional, property manager, or homeowner, the Sleeptight 400 offers a proven alternative when chemical treatments fail or when faster, more reliable results are required.
Heat treatments eliminate all stages of the bed bug life cycle, including eggs, making this heater a powerful, non-chemical solution you can trust.
Up to 500 sq. ft.
140 degrees
Intermediate
