Evaporator Units

There are two types of evaporator units In-dash and Under-dash. For information on how to select an evaporator see the help page. Nostalgic AC carries a full line of evaporators. We also manufacture evaporators. If you need an evaporator for a special application please let us know.

Nostalgic AC manufactures evaporators in Ocala Florida.

An evaporator is where the magic of a/c happens.  The evaporator has refrigerant flow through its internals while a blower motor blows air through its external fins.  This is the cold air you feel blowing out of the vents.   Being the evaporator is the central spot for cold air magic there is no excuse for Nostalgic AC not to manufacture this part.

There are two types of evaporators for aftermarket air conditioning systems; indash and underdash.  Underdash units are sometimes referred to as: Knee knockers, hang ons, and hang downs.  Both types of units are available with a/c only, heat and air, and some have defrost and floor provisions.

Under dash evaporator units are the easiest and least expensive to install into a vehicle.  The under dash unit will not work in vehicles that have manual transmissions, or consoles, unless it is mounted under the passenger glove box and air is ducted over to the driver side.  The under dash unit is normally sold as an a/c only product but we do offer the units with heat, and some with defrost.  Since we make these units in house we can customize some units to fit specific needs.   Almost all of the under dash units we sell have the controls and vents mounted in the evaporator housing.  We do make a few evaporator units with remote vents and controls. 

In dash evaporator units are installed behind the dashboard and are almost always out of sight.  The in dash units are designed to hide the majority of the duct hose, and hoses behind the dash with a very small portion of the bottom of the unit visible; similar to that of a new car.  Speaking of new cars most in dash units operate different then a new car's a/c.  The evaporators we sell have the heater and evaporator made all into one unit; newer cars separate the evaporator and heater core with blend doors.  Some of the aftermarket a/c manufactures choose the blend door design but we do not feel it is necessary to spend the extra expense to achieve the same temperature out of the vents.  In dash evaporators require the controls and the vents to be mounted under or in the dash.  We do offer a service to convert the original controls if you wish to make the inside of the vehicle look stock.  You can mail us your control panel and we will retrofit it to control our a/c systems.  As for the vents and controls we let our customers choose the styles, just let us know what items you prefer and they will arrive with your order.

Roof mount and floor evaporators are another option for buses, tractors, big trucks, and other machinery.  These units are very similar to the under dash evaporator units.  They function in the same way but offer much more cooling volume.  These units can be made in 12 or 24 volt and will meet the demand of any hot humid day.

Evaporator units are our business: they are the main product we manufacture.  Every evaporator is made by our staff and tested on our benches.  We are very knowledgeable in the evaporator genre of aftermarket air conditioning and will be happy to speak with customers about manufacturing evaporators to meet their needs.

  1. 1/2" Plastic Drain Hose Tee  

    1/2" Plastic Drain Hose Tee

    Part #5086
    ABS plastic tee fitting for 1/2" drain hose used on aftermarket air conditioning systems.
    1/2" OD
    3/8" ID
    2-1/2" x 1-1/2" overall length Learn More
    $1.39

  2. 3/8" Plastic Drain Hose Tee  

    3/8" Plastic Drain Hose Tee

    Part #5087
    ABS Plastic tee fitting for 3/8" drain hose used on aftermarket air conditioning systems.
    3/8" OD
    1/4" ID
    2-1/2" x 1-3/8" overall length Learn More
    $1.39

  3. 1/2" Drain Tube Elbow  

    1/2" Drain Tube Elbow

    Part #5088

    ABS plastic drain elbow for 1/2" drain hose used on aftermarket air conditioning systems.
    1/2" OD
    3/8" ID

    Learn More
    $1.29

  4. 1/2" Evaporator Drain 90 Degree  

    1/2" Evaporator Drain 90 Degree

    Part #5090

    1/2" drain outlet that points away from the evaporator at a 90 degree angle. It can be used with most aftermarket evaporator units. The drain is made of ABS plastic and is designed to be glued into the evaporator box, any five minute epoxy will do the job. The outlet requires a 1/2" hole for mounting purposes, and uses 1/2" drain tube.

    Learn More
    $1.29

  5. 1/2" Evaporator Drain Straight Out  

    1/2" Evaporator Drain Straight Out

    Part #5091
    1/2" drain outlet that points straight out of the evaporator. It can be used with most aftermarket evaporator units. The drain is made of ABS plastic and is designed to be glued into the evaporator box, any five minute epoxy will do the job. The outlet requires a 1/2" hole for mounting purposes, and uses 1/2" drain tube. Learn More
    $1.29

  6. 3/8 Inch Evaporator Drain Tube  

    3/8 Inch Evaporator Drain Tube

    Part #77-9401
    Drain tube for aftermarket evaporator units. The hose is black 3/8" ID drain tube. The tube is sold in one foot increments. This tubing is made to drain the water from the evaporator unit, this tubing is not for hot water, or hot vapor. Learn More
    $1.29

  7. 1/2 Inch Evaporator Drain Tube  

    1/2 Inch Evaporator Drain Tube

    Part #77-9402

    Drain tube for aftermarket evaporator units. The hose is black 1/2" ID drain tube. The tube is sold in one foot increments. This tubing is made to drain the water from the evaporator unit, this tubing is not for hot water, or hot vapor.

    Learn More
    $1.29

  8. ID-200 In-dash Evaporator Unit  

    ID-200 In-dash Evaporator Unit

    Part #ID200

    A/C only evaporator unit designed to mount behind the dash board. The evaporator has four round duct hose adapters, which use 2.5" flexible duct hose. The controls and the vent louvers can be mounted in the dash or under the dash. We offer a large variety of vents for these units. Please see the duct hose and vents Page for all the different options, if you would like to add defrost see the defrost Y's. The evaporator has a three speed blower motor with a dual fan setup. The evaporator unit has passenger side hose outlets, the fittings for the hoses will be on the passenger side of the unit when it is installed. The picture shows how the unit mounts in the vehicle, the blower at the top, the drains at the bottom. The evaporator has approximately 290 CFM and 16000 BTU. The evaporator unit is compatible with R-134a and R-12 refrigerants.

    The evaporator unit measures: 16" wide x 6.5" deep x 9.5" tall

    This Evaporator does not have vents for floor heat.

    Learn More
    $374.99

  9. ID-200HC In-dash Evaporator Unit  

    ID-200HC In-dash Evaporator Unit

    Part #ID200HC

    A/C and Heat evaporator unit designed to mount behind the dash board. The evaporator has four round duct hose adapters, which use 2.5" flexible duct hose. The controls and the vent louvers can be mounted in the dash or under the dash. We offer a large variety of vents for these units. Please see the duct hose and vents Page for all the different options, if you would like to add defrost see the defrost Y's. The evaporator has a three speed blower motor with a dual fan setup. The evaporator unit has passenger side hose outlets, the fittings for the hoses will be on the passenger side of the unit when it is installed. The picture shows how the unit mounts in the vehicle, the blower at the top, the drains at the bottom. The evaporator has approximately 290 CFM and 14000 BTU of AC and 12000 BTU of Heat. The evaporator unit is compatible with R-134a and R-12 refrigerants.
    The evaporator unit includes:


    Three speed blower motor
    Adjustable temperature thermostat
    Evaporator unit mounting hardware
    Expansion valve
    Drain tube & cork tape for hose fittings
    O-rings
    Four rubber grommets
    Eight feet of 2.5" duct hose
    Four vents of your choice.
    Knob style controls with a face plate
    Cable operated heater control with a cable


    The evaporator unit measures: 16" wide x 6.5" deep x 9.5" tall. This Evaporator does not have vents for floor heat.


    If you would like to add this unit to a complete kit please go to the complete kits Page and select the make of your vehicle. In that selection we offer complete kits with "select an evaporator" option. Add this evaporator to your shopping cart, and select the kit for your make, add it to the cart and follow the directions for checkout.
    This evaporator unit is manufactured in the U.S.A.

    Learn More
    $399.99

  10. ID-250 In-Dash Evaporator Unit Air Only  

    ID-250 In-Dash Evaporator Unit Air Only

    Part #ID250

    A/C evaporator unit designed to mount behind the dash board. The evaporator has four round duct hose adapters, which use 2.5" flexible duct hose. The controls and the vent louvers can be mounted in the dash or under the dash. We offer a large variety of vents for these units. Please see the duct hose and vents Page for all the different options, if you would like to add defrost see the defrost Y's. The evaporator has a three speed blower motor with a dual fan setup. The evaporator unit has passenger side hose outlets, the fittings for the hoses will be on the passenger side of the unit when it is installed. The unit can be mounted flat or at a 45 degree angle. The unit cannot have the hose adapters pointing straight up. The evaporator has approximately 290CFM and 14000 BTU. The evaporator unit is compatible with R-134a and R-12 refrigerants. This Evaporator does not have vents for floor heat.

    Learn More
    $254.99