Dahlquist Staff


He started working full time on May 20, 1979 for Dahlquist Propane. Within a year he was transferred to the service department and found his nitch. He has a Master Plumbers License, Restricted, Refrigerant Handling License, HVAC Contractor Registration License, and City of Rhinelander Licensed Tradesman to name a few. With over 30 years service experience he now passes his knowledge along to his employees and stays more to the estimating part of the business. He also is involved in the HVAC program at Nicolet College.

Wally's daughter, Michelle, runs the office and his son, Joe, does installations for the compnay. Someday hoping to pass the compnay along to the 4th Generation.

Joe Dahlquist

Joe has been with the company since 2002. He specializes in equipment installation and Estimating for the company. He will be the 4 the generation of Dahlquist's to hopefully carry the Dahlquist name into the future.

Joe was married in 2007 to Tiffany. He has a daughter, Taylor and son, Walter IV. His family enjoys camping, fishing and vacationing in Canada.


Michelle started with the company in 2001. She is in charge of all the day to day operations of the company. She has also gained tremendous knowledge of the hearth industry and enjoys learing the fireplace side of the business. She also does in home estimates and design work for Installations of hearth products.

Michelle is married and has a son, Brock and a son, Drayke. Her family enjoys fishing, camping, hiking and riding ATV's.

Dennis Ostrom
Service Specialist

Dennis jouined our team in the summer of 1999. He is very knowledgable of a wide range of Furnaces, Air Conditioners, Boilers, Hearth Products and RV products. He does numerous continuing education classes yearly to keep with the constantly changing times. He is NATE certified in 3 categories.

Dennis is married and has 3 sons; Randy, Jeb and Luke.

Dennis enjoys hunting in Montana with his boys.

John Jefferson ( JJ)

John started with us in Fall of 2014. He has brought a welcomed charm and humor to the business. John is one of our installers, he has caught on very quickly and has become a welcomed sight in many area homes.


Dahlquist Heating & Cooling, Inc
3399 Faust Lake Road
Rhinelander, WI 54501
Phone: 715-361-2798
Fax: 715-362-9791

Monday thru Friday
8AM till 4:30PM
Sat: by Appointment
24 Hour Emergency Service
24 Hour live representatives answer the phone.
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