To access an online copy of your dehumidifier's owner's manual, click on the Owner Center link on the Whirlpool website, then choose Manuals and Literature from the drop-down menu. After you enter your dehumidifier's model number, press Search and all the literature associated with your appliance becomes available.
Check your dehumidifier's frequently asked questions (FAQ) page, which supplies answers to the most common questions and problems associated with that product. From the Owner Center drop-down menu, choose the Product Help link. On the search page, enter dehumidifier as the search term and click Search. A number of FAQs will appear at the bottom of the page.
For simple questions, contact a local Whirlpool dealer. Click on the Find a Retailer link at the top of any of the Whirlpool website pages, then enter your ZIP code. A list of local retailers and their contact information appears at the bottom of the page.
If you know you need service on your dehumidifier, click the Service and Repair link on the Owner Center drop-down menu. If you've already established an online account with Whirlpool, choose the Sign In option; otherwise, click Proceed as Guest. You'll be taken to a screen where you can fill in your information, explain the problem and arrange for a service call by a factory-authorized Whirlpool technician.
Whirlpool's customer service center offers live phone help Monday through Friday, 8 a.m. to 8 p.m. Eastern time. In the United States, the phone number is 1-866-698-2538, and in Canada, 1-800-688-2002. The company also offer an email help service. Once you submit your question, the company will reply within three business days. Information on the phone and email help services can be found under the Contact Us link on the Whirlpool webpage and is current as of 2011.