• Free Thermostat Upgrade

  • All systems include our touchscreen thermostat!
  • Espar Wifi Canbus Controller

  • Now available! Wifi Controller for your Espar S3 and B4L Heaters
  • New Evaporators Available!

  • New HVAC Ducted Evaporators available!
  • Quietest fans on the market!

  • Order the Hush Kit to cut the condenser fans noise output in half! Exclusive to UndermountAC.com

Free Thermostat Upgrade

All systems include our touchscreen thermostat!

Espar Wifi Canbus Controller

Now available! Wifi Controller for your Espar S3 and B4L Heaters

New Evaporators Available!

New HVAC Ducted Evaporators available!

Quietest fans on the market!

Order the Hush Kit to cut the condenser fans noise output in half! Exclusive to UndermountAC.com

12V & 24V Air Conditioning Systems

  • 12V Undermount Air Conditioner for Class B Van, Trailer or Camper - Cabinet Evaporator
    12V Undermount Air Conditioner for Class B Van, Trailer or Camper - Cabinet Evaporator
    Regular price
    $3,499.00
    Sale price
    $3,499.00
    Unit price
    per 
  • 24V Undermount Air Conditioner for Class B Van, Trailer or Camper - Cabinet Evaporator
    24V Undermount Air Conditioner for Class B Van, Trailer or Camper - Cabinet Evaporator
    Regular price
    $3,649.00
    Sale price
    $3,649.00
    Unit price
    per 

12V & 24V HVAC Heat Capable systems

  • 12V Undermount Air Conditioner for class B van or RV -Ducted Evaporator
    12V Undermount Air Conditioner for class B van or RV -Ducted Evaporator
    Regular price
    $3,899.00
    Sale price
    $3,899.00
    Unit price
    per 
  • 24V Undermount Air Conditioner for class B van or RV - Ducted Evaporator
    24V Undermount Air Conditioner for class B van or RV - Ducted Evaporator
    Regular price
    $3,999.00
    Sale price
    $3,999.00
    Unit price
    per 

48V Systems

  • 48V Undermount Air Conditioner for class B van or RV - Ducted Evaporator
    48V Undermount Air Conditioner for class B van or RV - Ducted Evaporator
    Regular price
    $3,999.00
    Sale price
    $3,999.00
    Unit price
    per 

Popular Options

  • Hush Kit for Condenser Fans
    Hush Kit for Condenser Fans
    Regular price
    $229.00
    Sale price
    $229.00
    Unit price
    per 
  • 2019-2023 Mercedes Sprinter No Drill Mount
    2019-2023 Mercedes Sprinter No Drill Mount
    Regular price
    $120.00
    Sale price
    $120.00
    Unit price
    per 
  • 2015-2023 Ford Transit extended no drill mount
    2015-2023 Ford Transit extended no drill mount
    Regular price
    $100.00
    Sale price
    $100.00
    Unit price
    per