Service Group

The Airefco Service Group is committed to providing industry leading technical guidance to all customers while taking personal accountability for the satisfaction of each customer every time they interact with our organization. You can contact the Service Group at


Paul Weiss
Director of Service, Portland

Paul began his HVAC Career in 1972 in Philadelphia with Delaware Valley-York as an apprentice building large chillers. He serviced large commercial equipment in the tri-state area and worked for a large distributor in their Engineered Machinery division as tech support. He moved to Phoenix in 1976 as a Tech Rep for the Southwest Region. In 1991, he moved to Portland, Oregon as Technical Support for the Pacific NW and came to work for Airefco in 1997 as Tech Support for Carrier/Bryant equipment.

Len Winkler
Service Manager, Portland

Len came to Airefco in 1994 as an outside parts salesman. He was on the parts sales side for four years and on the equipment side for two. He previously managed service departments for two different contractors here in Portland. Len also owned an HVAC service company doing residential and commercial work for nearly eight years. “It is a pleasure to be here and serve customers with technical help. Service is our only business.” – Len

Shannon Kaainoa
Service Administrator, Portland

Shannon joined Airefco in July 2017 as the Service Administrator. She has 22 years of Customer Service Experience and 10 years of experience in Office Administration. She has an eye for creativity and a passion for excellence. “I absolutely love being a part of the Airefco Service Team and I am always looking for ways to become better at serving others!” – Shannon

Dennis Jones
Service Manager, Seattle

Dennis has been involved with the HVAC industry for 37 years. He started changing filters and belts for a national company right out of welding school. After finishing his 5-year apprenticeship program with the United Association, he started working for Carrier on chillers, boilers and large rooftop equipment. After 20 years in the field, he began working for Airefco as a Service Manager and taught apprentices twice a week. He completed the 5-year UA Instructor Training Program in Ann Arbor, Mich. and received his degree in Industrial Education. Dennis says his favorite thing in this industry is training. “Seeing the light bulb turn on over a technician’s head when a concept becomes clear is a thrill!” – Dennis

David Frederick
Service Manager, Spokane

David has 32 years of dedication to the HVAC-R trade. He began his journey at Spokane Community College three months out of high school. He was a Bryant dealer for 16 years and was employed for 3 years by Carrier based out of San Diego. David joined the Airefco family in July 2010. “I enjoy work, the outdoors, and making a positive difference in people’s lives.” – Dave

Kevin Mesneak
Service Manager, Fife

Kevin has worked in the HVAC industry for 23 Years and specializes in Ductless and VRF applications. He started working in a sheet metal shop building duct work, and quickly moved up into installation and service. He went into the sales side in 2008 and then became a service manager for a company in Washington in 2010. In 2013 he became a service/install manager for an HVAC company in Washington. He joined the Airefco Service Team in June 2016 as a Service Manager. “I enjoy sharing my knowledge of the industry and helping our dealers.” – Kevin

Gregg Arlt Pic 2 cropped2 -

Gregg Arlt
Service Manager, Spokane

Gregg Arlt was previously a District Service Manager for Airefco from 2005 to 2010 and returns after four years in the field working on the commercial side of the industry. Gregg has a Bachelor of Science Degree from Central Washington University in Business Administration. He has 28 years of experience in the HVAC industry; 10 years as a Bryant Dealer and 23 years total in the field dealing with Carrier and Bryant equipment specifically. “I hope to share my knowledge and the great experiences that I have had working in this exciting and ever changing industry.” – Gregg