On-Highway vehicle heating that gets you there
Heaters
gonna heat.
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You deserve a heater as hard-working as you are.
Reliable heat
for tough jobs.
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RV & vehicle heaters ready for the open road.
Comfort you
can rely on.
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Marine heating products that you can rely on.
Marine heating
that sails.
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Air Heaters

Coolant Heaters

Air Heater Parts

Coolant Heater Parts

Maintenance Kits

Installation & Accessories

Change your oil quick and EZ

WINTER SALE

Get the best price on one of our popular Maintenance Kits!

Extend the life of your heater with certified PHP maintenance kits. Made to fit all makes, our kits include everything you need to keep your heater working for years to come.

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BEST WARRANTY

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PRODUCTS BY CATEGORY

Air Heaters

Coolant Heaters

Air Heater Parts

Coolant Heater Parts

Maintenance Kits

Installation & Accessories

DKSI North American Headquarters

The DKSI Difference

DKSI is your Canadian source for diesel-fired Bunk heaters, Engine heaters, and service parts. Based out of beautiful British Columbia, Canada, our focus is to provide drivers, fleets, and dealers alike with a trusted resource for original and replacement parts for all major air and coolant heaters as well as our own line of PHP Air Heaters, Coolant Heaters, and Maintenance Kits. All PHP heaters with a FULL 2-year warranty and ship from warehouses in Canada & the USA. Plus, all Heaters and Parts are supported by our local Technical Engineers.

Customer Reviews

5/5