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About Us. Gensco is a family-owned and operated regional wholesale distributor and manufacturer of Heating, Ventilation and Air Conditioning (HVAC) equipment and supplies, established in 1948.

Dorse & Company

Dorse and Company represents the leading manufacturers in the HVAC Industry. We specialize in supplying our customers with high quality products designed to provide cost effective, and long-term trouble free service. Our product offerings are the foundation of design for consulting engineers and the design build community alike.

Johnson Barrow

With 50 years of innovation, Johnson Barrow has evolved into one of the most established and respected HVAC representative organizations in the Pacific Northwest. We currently represent over 40 of the finest manufacturers in our industry and are committed to the goal of providing quality service for our customers and manufacturer partners. We are proud to be on the cutting edge of system technology, extremely critical in today’s energy conscious market.


Trane is a world leader in air conditioning systems, services and solutions. Trane helps customers succeed by providing innovative solutions that optimize indoor environments through a broad portfolio of energy-efficient heating, ventilating and air conditioning systems, building, contracting and energy services, parts support and advanced controls for homes and commercial buildings.

United Refrigeration

United Refrigeration Inc. has grown to be a trusted name among mechanical contractors, supermarkets, small entrepreneurs, service mechanics and large industrials, providing prompt, comprehensive service, and focusing on the customer’s individual HVAC/R needs.

Robison Engineering

The design team at Robison Engineering is comprised of professional engineers, licensed electricians, and construction managers. This unique blend of construction industry professionals gives the firm a complete understanding of how MEP design comes together, as well as how to most effectively coordinate with architects and contractors in the field. These coordination efforts are further enhanced by the use of sophisticated engineering BIM software.


AirReps’ expertise and passion for people are our biggest talents. We bring the most comprehensive product offerings, unrivaled thought leadership, and customer-centric support to the commercial HVAC market. Engineering collaborative, reliable solutions is the name of our game.


Daikin is the World’s No. 1 air conditioning company. Daikin is a leading innovator and worldwide provider of advanced, high-quality air conditioning and heating solutions for residential, commercial and industrial applications.

Airefco, Inc.

Airefco has now grown to serve the entire Pacific Northwest including Western Idaho, Montana and Wyoming from 9 warehouse locations throughout the region.


To create an environment that’s ideal for people to live and work in, you need something that’s both extraordinarily innovative and exceptionally reliable. You need something that gives you confidence. So why would you install anything but YORK?


QuickTin has been a family owned and operated sheet metal company located in Downtown Tacoma since 1993, and many years of previous ownership of another sheet metal company. Our workers have much experience with manufacturing, estimates, shop drawings and customer service.


Based in Richardson, Texas, near Dallas, Lennox has manufacturing and distribution facilities across North America. Products are available through a network of more than 6,000 independent Lennox® Dealers.