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Fuel-Efficient Vehicle Heating Solutions in Lake Zurich
Autotherm Energy Systems has dedicated itself to revolutionizing vehicle heating solutions for commercial fleets and owner-operators. Our Energy Recovery System leverages existing vehicle heat to maintain cab warmth and clear windshields without engine idling, delivering significant cost and environmental savings. Designed for efficiency, our system operates without fuel combustion, eliminating pollution while reducing annual fuel expenses by thousands of dollars per vehicle. The compact, lightweight design integrates seamlessly into trucks, limos, and school buses, offering hours of no-idle heating through a patented process that repurposes wasted thermal energy. Our commitment to innovation is reflected in our redesigned three-component system, which simplifies installation through foolproof plug-in harnesses and modular components.

By prioritizing energy efficiency thousands of times greater than traditional idling, we provide a solution that benefits both operational budgets and environmental sustainability. Our team focuses on continuous technological advancement, evidenced by our transition from older 7D003 pump models to the enhanced 7D007 series with improved CCU technology. With decades of experience in thermal management systems, we deliver reliable, cost-effective heating solutions that address modern commercial transportation challenges while maintaining strict adherence to engineering excellence and customer-centric design principles.
Services
Energy Recovery System Vehicle Heating Solutions Fuel Saving Technology Pump Replacement Kits Thermal Management Systems
Highlights and features
  • We offer a patented energy recovery system that saves thousands annually.
  • Our system reduces fuel consumption and environmental impact.
  • Easy installation with modular three-component design.
  • Proven performance in extreme temperatures across vehicle types.
  • Continuous technological upgrades from 7D003 to 7D007 pump series.
Services
Energy Recovery System
The Energy Recovery System captures vehicle waste heat to provide hours of cab warmth without engine idling. This patented technology reduces annual fuel costs by thousands per vehicle while eliminating emissions. Ideal for commercial fleets, it maintains windshield clarity and interior comfort through magnetic pump technology requiring 1/100th the power of traditional idling.
Vehicle Heating Solutions
Our heating solutions keep vehicle interiors warm for 1-4 hours post-engine shutdown, depending on engine size and temperature. Designed for trucks, limos, and school buses, these systems eliminate costly idling through efficient coolant circulation. The compact 4-pound unit installs easily in existing heating systems without requiring fuel combustion or additional energy sources.
Fuel Saving Technology
This technology reduces fuel consumption by replacing engine idling with magnetic pump-driven heat circulation. Achieving energy efficiency thousands of times greater than traditional methods, it extends engine life while cutting maintenance costs. Commercial fleets benefit from immediate ROI through reduced fuel expenditure and compliance with environmental regulations.
Pump Replacement Kits
Pump replacement kits modernize older 7D003 systems to the enhanced 7D007 series. Each kit includes upgraded components and installation instructions for pre-2015 models. Available as standalone pumps or complete upgrade packages, these solutions ensure compatibility with existing vehicle systems while improving reliability and thermal performance.
Thermal Management Systems
Thermal management systems optimize vehicle heating through intelligent coolant circulation. The system automatically activates when engines turn off, maintaining optimal temperatures without driver intervention. With multiple configurations available, these systems adapt to various vehicle types while providing consistent, no-idle heating performance.
Questions
How does the Autotherm system work?
The system captures waste heat from the engine to warm the cab after shutdown using a magnetic pump, circulating coolant without requiring engine idling.
What vehicles are compatible?
Our system works with trucks, limos, school buses, and other commercial vehicles with standard 12V/24V electrical systems and existing heater cores.
How long does heating last?
Heating duration varies from 1-4 hours depending on engine size and outdoor temperatures, typically exceeding day cab operational requirements.
What are installation requirements?
Installation requires connecting three components with plug-in harnesses, taking approximately 2-3 hours using standard automotive tools and procedures.
What maintenance is needed?
The system requires no regular maintenance beyond standard vehicle servicing, with pump replacements recommended every 5-7 years depending on usage.