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Universal 12V Underdash AC Evaporator System for Vehicle Cooling and Heating

"Great option for a classic build. The compact under-dash design makes adding climate control much easier without trying to redesign the entire dashboard."

Monserrate RathVerified Purchase
4.9 out of 5 stars based on 7 reviews

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$439.94
$219.97
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Bring back the comfort of a perfectly controlled cabin on every drive, no matter the weather outside. This universal 12V vehicle air conditioner evaporator system provides reliable cooling and heating for classic cars, trucks, RVs, vans, and custom builds without factory-installed climate control. Designed for easy underdash installation, it delivers adjustable airflow and year-round comfort through a compact design. Whether upgrading an older vehicle or creating a custom setup, this underdash AC system offers a practical solution for improved driving comfort.

Key Features

  • Universal 12V design works with a wide range of vehicles and custom applications.
  • Dual cooling and heating function provides comfort in both hot summers and cold seasons.
  • Multi-speed blower with manual temperature control allows easy airflow adjustment.
  • Durable aluminum and PP construction supports reliable everyday performance.
  • Compact underdash design saves space while improving cabin climate control.
  • This product is not a complete air-conditioning mechanism and needs to be matched with other air-conditioning accessories such as compressors, condensers, and drying bottles (all not included).

Why Choose Our Universal 12V Underdash AC Evaporator System
Unlike basic fans or portable cooling devices, this automotive AC evaporator is designed to provide a complete cabin climate upgrade when paired with the required AC components. Its compact size, adjustable airflow, and heating capability make it a versatile choice for vehicle restoration projects and custom installations. Enjoy better comfort without replacing your entire vehicle interior system.

Perfect For (Occasions & Uses)
Ideal for classic cars, vintage vehicles, trucks, vans, RV conversions, custom builds, off-grid campers, and drivers looking for an efficient aftermarket climate solution for daily use or long road trips.

Drive in Comfort Every Season
Upgrade your vehicle with dependable cooling and heating performance that makes every journey more enjoyable. Experience the difference this Universal 12V Underdash AC Evaporator System can make in your daily drives.

Frequently asked questions

Answers to the questions shoppers ask most about this item.

What vehicles is the universal evaporator designed for?
It is designed for cars, trucks, vans, agricultural vehicles, construction vehicles, and other heavy equipment.
What vehicles and custom applications is it designed for?

It is designed for cars, trucks, vans, agricultural vehicles, construction vehicles, and heavy equipment. It can also be used in custom vehicle air-conditioning setups with the required components, such as a compressor, condenser, and receiver/drier.

Does it provide both heating and cooling?
Yes. It provides both heating and cooling, with a cooling capacity of 3640 kcal/h and a heating capacity of 3114 kcal/h.
Which AC components are required but not included?
The compressor, condenser, drying bottle/receiver-drier, and R12 refrigerant are required but not included.
Which vehicles is the universal 12V system designed for?
It is designed for cars, trucks, vans, agricultural vehicles, construction vehicles, and heavy equipment.

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Reviews|4.9
7 ratings

Item Reviews  (7)

Shop Reviews  (224)

Questions 

08/10/2026

Great option for a classic build. The compact under-dash design makes adding climate control much easier without trying to redesign the entire dashboard.
M
Monserrate Rathflag
Verified Purchase

07/22/2026

A smart upgrade for a restoration project. This is the type of component that can make an older vehicle much more comfortable for everyday driving.
J
Jesse Blockflag
Verified Purchase

05/17/2026

A thoughtful solution for older vehicles. Having both heating and cooling available makes a big difference when the weather changes.
E
Esta Reillyflag
Verified Purchase

08/01/2026

Clean and practical design. I really like the idea of having the climate unit tucked neatly under the dash instead of taking over the cabin.
E
Elbert Rathflag
Verified Purchase

07/19/2026

Perfect for a weekend garage project. The under-dash format is exactly what I would want for a vehicle without factory A/C.
V
Van Krajcikflag
Verified Purchase

04/25/2026

Comfort without changing the character of the vehicle. That is probably my favorite thing about this style of system.
P
Parker Kubflag
Verified Purchase
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