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Choose the right DC HVAC system

START WITH THE JOB

Which situation matches yours?

Choose the closest starting point. Each route shows the system layout, parts you need, technical information to confirm and whether to buy online or request a configured quote.

No A/C in the vehicleBuild a complete new systemFactory A/C remainsReplace the belt-driven compressorNeed a packaged unitRooftop and self-contained optionsNeed engine-off coolingSleeper, parked and anti-idle systemsHeavy equipment or mine siteCooling, heating and pressurisationEngineer or procurement buyerTechnical data, evidence and RFQ route

Choose by application or buyer role

Vehicle upgrades

01

Add air conditioning to a classic car or custom vehicle

For a vehicle with no usable factory A/C. Start with the whole refrigerant circuit and electrical supply.

Open this guide →02

Replace a belt-driven compressor and retain the factory A/C circuit

For engine swaps, EV conversions and builds where the original condenser and evaporator remain.

Open this guide →11

Add electric air conditioning to an EV or hybrid conversion

For builders selecting low- or high-voltage compressors and planning controls, isolation and thermal loads.

Open this guide →

Recreation & transport

07

Choose a rooftop air conditioner for a motorhome or expedition vehicle

For owners who want a packaged roof solution and clear battery, charging and runtime guidance.

Open this guide →08

Cool a truck sleeper without running the engine

For drivers and fleets needing quieter parked rest, lower idle time and a realistic electrical plan.

Open this guide →

Heavy equipment

04

Cool and pressurise an underground mining equipment cab

For loaders, drill rigs, haul equipment and enclosed cabins operating in dust, heat and vibration.

Open this guide →

Defence & government

03

Source an electric compressor for a defence or government programme

For engineers and procurement teams evaluating MD24A6, MD18, MD27 or a complete DC HVAC architecture.

Open this guide →06

Cool a secure transport or prisoner-transport vehicle

For fleet builders needing separated occupant zones, parked cooling and robust service access.

Open this guide →09

Reduce engine idling while cooling personnel or deployed equipment

For defence, emergency and remote teams evaluating quieter, lower-idle climate control.

Open this guide →12

Provide engine-off cooling for emergency and service vehicles

For ambulances, incident vehicles, utilities and mobile workspaces with parked electrical loads.

Open this guide →

Specialist vehicles

05

Specify driver, cooled-suit or cabin cooling for motorsport

For race teams comparing cabin A/C, helmet/garment cooling and support-equipment cooling.

Open this guide →

Trade & integrators

10

Standardise electric A/C installations for a restoration or fabrication workshop

For workshops that want repeatable BOMs, installation drawings and fewer one-off component decisions.

Open this guide →14

Select electric HVAC components as an installer or vehicle upfitter

For HVAC specialists who need role, voltage, capacity and compatibility made clear before ordering.

Open this guide →

Infrastructure

13

Cool a remote communications shelter or equipment enclosure

For continuous equipment loads where alarms, redundancy and service access matter as much as capacity.

Open this guide →
Photography credits

Aircraft: Jelle Vandebeeck, CC BY 2.0. Workboat: Photo: Gordon Leggett / Wikimedia Commons, CC BY-SA 4.0. Caravan: Bahnfrend, CC BY-SA 4.0. Command post: U.S. Army, public domain. These photographs are resized for display and may be cropped to fit the page; the credited photographs retain their original licences. General application photography does not confirm a particular vehicle installation or endorsement.