For over 32 years, Phelps Energy Services, Inc. has been the leader in heating, cooling and air purification services for the Illinois Valley. Phelps Energy is located at 25457 - 1275 N. Avenue, Princeton, Il. 61356.
Our techs are located from eastern LaSalle County through central Bureau County.

  Phelps Energy Services, Inc. has continued to please its thousands of customers because of their friendly, factory trained staff, who are both knowledgeable and service oriented. Our customers rely on us to take care of their needs immediately, safely and correctly.  We also offer senior citizen discounts and new customer discounts. 

Phelps Energy offers 24 hour emergency service and flat rate pricing which includes the cost of the part, the labor to install the part and a full one year warranty.  Our prices are quoted up front and complete  -  there are no additional taxes or hidden fees.