An under-dash kit puts the evaporator, and often a heater core, in one housing that mounts under the dash or a seat, which suits a cab with no room for a wall-mounted evaporator. Several also heat, but the heat comes from engine coolant, so it works while driving rather than with the engine off.
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Full ranking 4
- Saihemei 12V Under-Dash AC 13700 BTU#1 of 4Full review
The cheapest under-dash kit, with heating, but a 13,700 BTU claim and nothing else to check it against.
Amazon $358.99$358.9913,700 BTU-45 dB - Treeligo 12V Under-Dash AC 12000 BTU#2 of 4Full review
A quiet under-dash cooling kit at a lower price than Aspligo’s, with no input power given.
Amazon $433.19$433.1912,000 BTU-45 dB - Aspligo 12V Under-Dash AC and Heater#3 of 4Full review
An under-dash kit that also heats from engine coolant; its 575 W rating fits a 10,000 BTU claim better than most.
Amazon $459.99$459.9910,000 BTU575 W- - Aspligo 24V Under-Dash AC 10000 BTU#4 of 4Full review
The only 24 V under-dash kit here that is cooling-only and cheaper than the heater versions.
Amazon $529.99$529.9910,000 BTU--
