For Our Customers


As one of our customers we thought you might like easy access to this information.

Need Service?

Do you think you need service? Visit our Service Department page to gain access to some useful guides that may help you decide. 

Want to cut to the chase? Request a service now or call us at 425.296.2097.img12

How are we doing?

At Cardinal Heating & A/C we are Committed to Your Comfort. If you would like to commend us for a job well done or help us to see areas we can improve; we would like to hear from you. If you have just a few minutes you can fill out an online review.

Need an owner’s manual?


Carrier product manuals

Honeywell product manuals
(Follow the link and on the bottom right hand corner of the new page you will see a box called “Literature / Image Search”. Enter the model number in that box and hit the arrow to search.)

Viessmann product manuals

Triangle Tube product manuals

Mitsubishi ductless split A/C and Heat Pump manuals

If you can’t find what you are looking for we would be happy to help, just email us the model number of your equipment.

img13Product registration

Register your new equipment to ensure you receive the full warranty available to you.

Carrier product registration

Coleman HVAC product registration