At Home Depot, dehumidifiers with heaters are priced from $229.99 to $549, as of 2015. Prices vary based on dehumidifying capacity, heat energy output and brand name.
The least expensive unit, priced at $229.99 and made by Hisense, can dehumidify 50 pints of moisture per day and has a heat output of 4095 British thermal units. Two more-expensive models also have built-in air conditioners. One of these, produced by Whynter, has a dehumidifying capacity of 101 pints per day, a 14,000 British thermal unit heat output, and sells for $490. The most expensive unit, offered by Soleus Air and priced at $549, can remove 60 pints of moisture per day and has a heat output of 13,500 British thermal units.