The DClimate electric APU is a unique auxiliary HVAC solution that provides reliable, idle free comfort for drivers. The hybrid design combines electric air-conditioning & diesel fired heating systems to deliver industry leading efficiency & comfort. Our system can be adapted to fit all major Class 7 and 8 day cab platforms – supporting your fleets’ operational, regulatory and driver satisfaction goals.

Robust heating, cooling, and airflow system powered by AGM batteries, with precise temp control, variable-speed compressor, and diesel air heater. Weighs 420 lbs with batteries. See full specs table below for detailed configuration and warranty information.

DClimate systems are backed by a 4-year Enersys warranty for batteries, with standard Espar warranties applying to heating components. Designed with customizable configurations, the system integrates seamlessly with all major OEMs for reliability and tailored performance.

DCLIMATE® DAY CAB Training Materials

Fuel Savings & Idle Reduction

DClimate’s hybrid architecture minimizes idle, maximizing fuel savings.

Regulatory Compliance

The DClimate system is an EPA SmartWay Verified technology and meets all CARB and EPA emissions requirements in 50 states.

Driver Comfort

The primary purpose is to provide the driver with a safe and comfortable environment without the need to idle the main truck engine.

Product Specifications

7500 BTU/hr (2.1 kW), heating capacity
400 CFM, airflow
+/- 2F Temperature control
4-60 Amps @ 12Vdc
320 Amp Delco Remy brushless alternator
ENERSYS ODX - AGM31 Batteries*
Espar S2 D2 diesel fired air heater
420 lbs, system weight including batteries
Limited Warranty:
2-yr parts & labor, 4-yr major component limited,
4-yr batteries*

* Backed by 4-yr Enersys Warranty. ** Standard Espar warranty applies.
Customized configurations for all major OEMs. Freightliner Cascadia illustrated.

PRODUCT Testimonials

What our clients say about the DCLIMATE® DAY CAB

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DClimate: Supporting Maintenance & Reliability

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DClimate: Powerful, Simple, and Compact

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DClimate : Beyond Financial ROI

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DClimate: For Optimal Performance On The Road

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DClimate: Enhancing the Driver Experience

DClimate: Supporting Maintenance & Reliability

Johnny Branstine breaks down how DClimate electric APUs have met and exceeded expectations for maintenance planning, uptime, and long-term reliability for National Carriers.

DClimate: Powerful, Simple, and Compact

Allan Dahringer, Director of Maintenance at Mesilla Valley Transportation, describes how the DClimate electric APU embodies power, simplicity, and compactness; three key qualities that make all the difference for his fleet.

DClimate : Beyond Financial ROI

Matt McLelland, Vice President of Sustainability and Innovation Strategy at Covenant Logistics—a valued DClimate customer— discusses how the DClimate eAPU enhances social responsibility, recruitment, and sustainability efforts for his fleet. Discover why he considers this product essential for every truck on the road.

DClimate: For Optimal Performance On The Road

Dan Porterfield, Senior Vice President of Maintenance & Equipment Control at Covenant Logistics, discusses how TRANSTEX’s innovative line of aerodynamic products enhances fuel economy and reduces carbon emissions. As a TRANSTEX customer for over 15 years, he explains why he trusts our products to meet his fleet’s needs and ensure optimal performance on the road.

DClimate: Enhancing the Driver Experience

Allen Walters, Vice President of Asset Management at Covenant Logistics, explains how the DClimate eAPU can drive value for your fleet while enhancing the driver experience. As a valued and long- standing DClimate customer, find out why Covenant’s dedicated fleet is equipped 100% with DClimate systems.