Complete Under Dash Air Conditioning Kit with Vertical Condenser - TBI Products

The TBI Products Complete Under Dash Universal A/C and Heating Kit (Part # EU1-V1-KIT) is a highly efficient, all-in-one climate control conversion system engineered to bring modern cabin comfort to classic cars, hot rods, street rods, and vintage custom trucks. Engineered as an economical alternative to intensive in-dash installations, this kit provides both powerful high-volume cabin cooling and auxiliary heating without requiring complex dash modifications, extra duct hose routing, or intricate custom control panel wiring.

Streamlined Evaporator & Simple 3-Wire Interface

• Compact All-in-One Housing: The main under-dash evaporator housing spans a compact 16" wide by 13-1/2" deep by 6" tall, enabling it to bolt neatly beneath the lower lip of most vintage dashboards without crowding front-passenger legroom.

• Integrated Face Louvers: The unit features a clean, classic black face equipped with two large adjustable rectangular center louvers and two matching circular outer louvers to maximize air circulation across the cabin.

• Ultra-Simple Electrical Hookup: Operates on an efficient, fuss-free 3-wire electrical layout (consisting of a fused +12V ignition power connection, a clutch trigger output to the A/C compressor, and a direct chassis ground link), eliminating the need for complicated custom wiring trees.

• Built-in System Controls: Houses the integrated 3-speed blower motor control dial and an adjustable thermostatic switch directly on the unit's front face for effortless, driver-accessible cabin adjustments.

Performance Engine Bay Components

• Sanden-Style V-Belt Compressor: Outfitted with a highly reliable, heavy-duty Sanden-style 2-groove V-belt air conditioning compressor to drive the high-pressure refrigerant loop.

• Tailored Engine Brackets: The system is package-customized around the buyer's choice of specific engine mounting brackets (supporting options such as Small Block Chevy short/long water pumps, Big Block Chevy short pumps, Pontiac V8s, or York-to-Sanden conversion frames).

• High-Flow Vertical Condenser: Arrives with a heavy-duty 20" high by 12" wide condenser core engineered to drop in directly ahead of your radiator to ensure rapid gas-to-liquid cooling transitions. (Note: While internal product sheets occasionally use "horizontal" interchangeably due to cross-flow piping configurations, this specific kit utilizes a vertically tall footprint layout).

• Beadlock O-Ring Hardware: Shipped with a full mechanical automotive A/C hose kit using professional beadlock O-ring fittings (#6, #8, and #10 lines) alongside an inline fluid receiver/drier and a binary safety pressure switch to prevent system over-pressurization.

Technical Specification Matrix

🛠️ Installation & Plumbing Note: To ensure peak performance, the system's dual evaporator drain tubes must be linked with the supplied T-fitting and routed out through a dedicated 9/9/16" hole through the firewall floorboard with a steady 10 to 15-degree downward slope to prevent interior moisture buildup. A manual heater hose shut-off valve is included in the package to isolate the hot engine coolant path during peak summer months, ensuring the under-dash unit blows maximum cold air. Please note: Bulk heater hose lines and R134a refrigerant charges are sold separately and must be supplied by the installer.