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Danhard, specialty vehicle HVAC manufacturer since 1963

AC-Powered Compressor Systems

Complete, self-contained HVAC systems with integrated compressor, condenser, evaporator, and pre-wired control box. Available in 125V shoreline and 230V configurations for ambulances, fire trucks, and other specialty vehicles.

AC

Danhard's AC-powered systems are the most complete, self-contained climate control option for specialty vehicle compartments. Each system includes a compressor, condenser, evaporator, control box, and all wiring. They run on AC electrical power from an onboard generator or shoreline connection. Available in 125V/60Hz shoreline (standard North American), 230V/60Hz (higher capacity), and 230V/50Hz (international) configurations.

Modular Architecture

Every AC-powered system is modular: the compressor, condenser, evaporator, and air discharge points can each be mounted in different locations to fit the customer's vehicle layout. This flexibility allows Danhard to serve a wide range of vehicle configurations without requiring a ground-up custom design.

Compressor

Two options for 125V shoreline systems: standard and higher-performance models. All rotary type for reliability in high-vibration environments. Typically frame-mounted to minimize vibration transmission to the vehicle structure.

Condenser

Tube-and-fin construction for durability and thermal efficiency. Typically underbody-mounted with forward-mount option available. Design accommodates various vehicle configurations and available space constraints.

Evaporator

Multiple coil sizes matched to available space. Horizontal or vertical mounting capability. Tube-and-fin construction with optimized fin spacing for superior heat transfer performance.

Air Discharge

Louvered (free-flow) or ducted options available to direct conditioned air where it is needed most in your vehicle compartment.

Pre-Wired Control Box

Danhard's proprietary pre-wired control box comes with 15 feet of cable for each component. The installer routes the pre-terminated cables and connects them to each component. Competitor systems historically required 50+ individual terminal block connections. This dramatically reduces installation time and wiring errors.

  • Pre-terminated cables for every connection point
  • Reduces installation labor significantly compared to terminal block assembly
  • Minimizes risk of wiring errors during the installation process
  • Control logic integrated and tested at the factory
  • Cables routed to match typical vehicle layouts

Climate Control Modes

AC-powered systems are available in two primary configurations to match your vehicle's heating and cooling needs.

Cool Only

Cooling is provided by the evaporator coil and refrigerant circuit. This configuration is suitable for applications where heating is not required or is handled by a separate system.

Heat and Cool

Most common configuration. Cooling via refrigerant evaporator, heating via resistive electric heater or engine coolant tie-in. Provides complete temperature control year-round for demanding climates.

Primary Applications

AC-powered systems excel in specialty vehicles with access to AC electrical infrastructure.

Ambulances

Type I and Type III ambulances are the primary application for 125V shoreline systems. The modular architecture accommodates various patient compartment layouts and cabinet configurations.

Fire Apparatus

Some fire truck manufacturers use 125V shoreline systems for crew compartment climate control, taking advantage of the onboard electrical systems available in modern apparatus.

Specialty Vehicles

Any vehicle with access to AC electrical power from an onboard generator or shoreline connection is a candidate for AC-powered systems. Danhard's modular approach enables customization for armored vehicles, command centers, and other specialty applications.

Why Choose Danhard AC-Powered Systems

Modular Design

Every component mounts independently. No ground-up custom engineering needed for most vehicle configurations. Flexibility to accommodate your specific space constraints and layout requirements.

Pre-Wired Installation

Proprietary control box eliminates 50+ terminal connections. Reduces installation time, labor cost, and wiring errors. Every system tested and verified at the factory before shipment.

Sub-1% Warranty Rate

Tube-and-fin construction on every coil and condenser. Rotary compressors for high-vibration reliability. 95%+ U.S.-sourced components. On rare warranty needs, we make it right.

Free Engineering Support

Our 30+ year specialist ensures the right system for your vehicle. Custom configurations evaluated at no charge. Same-day shipping on in-stock systems and quick turnaround on custom orders.

Frequently Asked Questions

What does it mean that Danhard's AC-powered systems are modular?
Modular architecture means the compressor, condenser, evaporator, and air discharge points can each be mounted in different locations to fit your vehicle layout. This flexibility allows Danhard to serve a wide range of vehicle configurations without requiring a ground-up custom design. The installer routes the pre-terminated cables and connects them to each component.
What does "shoreline" mean in relation to these systems?
Shoreline is the term many ambulance builders, fleet managers, and technicians use for 125V AC power, the standard North American electrical connection. A shoreline-powered HVAC system runs on 125V AC from either an onboard generator or an external AC source plugged into the vehicle. If someone tells you their ambulance or specialty vehicle has a "shoreline system," they are referring to a 125V AC-powered unit.
What is the difference between 125V shoreline and 230V AC-powered systems?
125V shoreline systems are the standard for North American installations and are most common in ambulances. 230V systems provide higher cooling capacity and are available in 60Hz (higher capacity variant) and 50Hz (international) configurations. The choice depends on your available electrical infrastructure and cooling performance requirements.
How much installation time does the pre-wired control box save?
Danhard's pre-wired control box comes with 15 feet of cable for each component, reducing installation steps dramatically. Competitor systems historically required 50+ individual terminal block connections. This saves significant labor time and reduces the risk of wiring errors during installation.
Can AC-powered systems be used with heat as well as cooling?
Yes. AC-powered systems are available in cooling-only configuration or heat and cool configurations. Heat can be provided via resistive electric heater or engine coolant tie-in, depending on your vehicle's available resources and climate requirements.
What types of vehicles use AC-powered compressor systems?
AC-powered systems are the primary choice for ambulances (Type I and Type III), with some fire truck manufacturers using 125V AC systems. Danhard's modular architecture makes AC-powered systems suitable for any specialty vehicle with access to AC electrical power from an onboard generator or shore power connection.

Evaluating Shoreline or AC-Powered HVAC for Your Vehicle Program?

Let's talk about your application. Call us to discuss the right 125V shoreline or AC-powered system configuration for your specialty vehicle.

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