What We Offer
Comprehensive aircraft preheat and preconditioning systems that protect critical components, reduce cold-start wear, and ensure your aircraft is ready when you are.
Engine Preheat Solutions
Targeted and efficient multi-point preheating systems for both piston and turbine engines, designed to protect critical components, reduce cold-start wear, and promote easier, more reliable starts in cold weather.
Complete Airframe Preheat Solutions
Comprehensive airframe preconditioning solutions for fixed-wing and rotorcraft applications that preheat engines, cabins, avionics, batteries, and flight-critical systems – delivering full-aircraft readiness in cold conditions.
Remote Functionality
SwitcheOn remote activation solutions enable pilots and operators to control preheat systems through a dedicated mobile app from virtually anywhere via LTE connectivity, with programmable scheduling and temperature-based activation to ensure aircraft readiness when it matters most.
Explore By Brand
Explore our family of trusted preheat brands - each engineered to solve specific cold-weather challenges across engines, airframes, and remote activation.
Tanis
Tanis delivers certified & PMA engine and airframe preheat systems for piston, turbine, and rotorcraft aircraft - engineered for reliable cold-weather performance across a wide range of platforms.
Reiff
Reiff offers PMA-approved, modular engine preheat systems for piston engine aircraft - designed for efficient installation, flexible configuration, and proven cold-weather performance.
Switcheon
SwitcheOn provides smart, app-based remote activation that allows pilots and operators to control compatible preheat systems from virtually anywhere using cellular connectivity.
About Hartzell Preheat
Hartzell Preheat brings together decades of cold-weather expertise under one trusted name. Built on the proven legacies of Tanis Aircraft Products and Reiff Preheat Systems, Hartzell Preheat delivers reliable, purpose-built solutions designed to preserve aircraft engines, reduce wear, and improve readiness in cold climates.
Together, these brands are now supported by Hartzell Propeller’s engineering, manufacturing, and global support resources and form comprehensive preheat offerings that give pilots and operators confidence to operate in cold weather and be ready when it matters most.
Proven Cold-Weather Expertise
Decades of real-world experience delivering reliable preheat solutions for aircraft operating in demanding cold-weather environments.
Engineered to Perform & Protect
Preheat systems engineered with a focus on performance, durability, and wear reduction – designed to preserve engines and critical systems in cold-weather operations.
Backed by Hartzell Propeller
Strengthened by Hartzell Propeller’s commitment to Quality, Performance, and Support, and built on a legacy of integrity and engineering excellence – Built on Honor.