Welcome to Defender Canada! 
Air Conditioning
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Micro-Air 6-Pin RJ-12 Modular Plug Connector - CON-003-X00
$2.12 -
Micro-Air Pressure Switch/Sensor/DC Fan Connectors
$2.57 - $3.23 -
Micro-Air 8-Pin RJ-45 Modular Plug Connector - CON-004-X00
$2.73 -
Micro-Air EasyStart Universal Installation Kit - KIT-364-368-Rt2
$14.95 -
Micro-Air Retrofit Adapter Marvair Seamach Control - ADP-001-X00
$28.29 -
Micro-Air 8-Conductor Cable Display
$36.20 - $173.96 -
Micro-Air 6-Conductor Communication Cable
$40.50 - $166.82 -
Micro-Air 6-Conductor Cable Display
$40.50 - $166.82 -
Micro-Air Triac for FAMU Heater Applications - SUB-360-X0A
$48.45 -
Micro-Air Epoxy Water/Air Temperature Sensor
$49.12 - $148.04 -
Micro-Air 3K Air Temperature Sensor
$49.69 - $90.74 -
Micro-Air Air Temperature Sensor
$49.69 - $73.54 -
Micro-Air 2-Pin Glass Water Temperature Sensor
$59.76 - $79.49 -
Micro-Air Glass Water Temperature Sensor
$70.25 - $164.44 -
Micro-Air MA Replacement Trigger - ASY-599-X01
$99.27 -
Micro-Air Compressor Triac Replacement Relay - ASY-503-X2D
$131.12 -
Micro-Air 402-IO Compact Control Display - ASY-402-X03
$259.02 -
Micro-Air 402-IO Control Display
$273.12 -
Micro-Air Air Temperature & Humidity Sensor
$303.92 -
Micro-Air FX2 V2 Air Temperature & Humidity Sensor - ASY-742-X01
$303.92 -
Micro-Air Q-Logic CAN Bus Adapter - ASY-505-X1B
$318.19 -
Micro-Air SMXir Control Display/Keypad - 502-09
$327.86 -
Micro-Air Elite II Control Display
$329.49 -
Micro-Air Pump Relay Board
$331.06 - $401.55 -
Micro-Air SMXII-AB Control Display/Keypad
$337.33 -
Micro-Air SMX QHT Display - 325-09
$349.97 -
Micro-Air AirNet CAN-to-USB Adapter ASY-388-X01
$384.32 -
Micro-Air EasyStart Breeze Soft Starter
$394.79 - $442.25 -
Micro-Air FX-1 Control Board
$394.81 - $502.92 -
Micro-Air EasyCruise Display Adapter - ASY-524-X01
$415.89 -
Dometic Breathe 4500 Marine Air Purification Add-On Kit - 9620000429
$422.20 -
Micro-Air FX-1 Control Display - Black - ASY-375-X21
$423.47 -
Micro-Air EasyTouch OEM Control Display
$432.88 - $467.32 -
Micro-Air FX Series EasyTouch 8-Pin Control Display
$432.88 - $467.32 -
Micro-Air FX-2 Control Board
$434.45 - $596.63 -
Micro-Air Pump Relay in Metal Box
$445.40 - $509.61 -
Micro-Air A-281C Control Board - ASY-555-X0A
$462.63 -
Micro-Air MAQ Control Board - ASY-510-X01
$470.45 -
Micro-Air FX-Maxx Control Display
$470.45 -
Micro-Air A-288D Control Board - ASY-509-X01
$484.96 -
Micro-Air EasyStart Flex Soft Starter - ASY-398-X1S-BLUE
$500.28 -
Micro-Air Unity Control Board
$548.78 - $650.30 -
Dometic Marvair CR330 Condensation Removal Kit - 9108844722
$549.09 -
SoftStart Marine SSM6T Air Conditioner Compressor Soft Starter
$563.20 -
Micro-Air 400-IO Control Board
$582.14 - $711.21 -
Micro-Air MCC Master Control Board - ASY-406-XXX
$745.99 -
Micro-Air MCC Master Control Display - ASY-407-X02
$761.94 -
Micro-Air A-282 Network Control Board
$765.24
About Air Conditioning
Size matters!
You cannot choose the best marine air conditioner for your boat without knowing a few things. First, how large is your boat? Just like a house, the size of the boat air conditioner’s output is based on the number of cubic feet inside your boat. Keep in mind that marine AC units also take into account the inefficiency of a boat compared to a house! The output of the unit is but one size you must consider before purchase - what type of space is available on your boat for the unit itself? The unit footprint could be the most important measurement of all!
Bells & Whistles
The Dometic air conditioners and Webasto units offer an array of extras to consider for your application. Remote controllers, wiring harnesses, displays, wireless remotes - all of these are items to consider before purchase. Rest assured Defender offers a full line of products related to your new marine ac unit that will see you through a retrofit or the replacement of your old unit. And all of our manufacturers offer excellent support and warranties.
When cool is not enough?
Turn on the heat! Both Dometic and Webasto boast reverse cycle heat from their cooling units. So when the nights get chilly, extend your boating season with comfortable heat. This is as close to a marine air split system as you are bound to find and you have plenty of choices right here at Defender.