Business Details
50+ Years
experience
Trusted Building Supply Solutions in Seattle
Founded in 1945, Keller Supply has grown from a small warehouse operation to a multi-state wholesaler with over 70 branches across the Pacific Northwest. As a family-owned business, we specialize in delivering plumbing, HVAC, pool/spa products, and fire protection solutions to residential and commercial clients. Our divisions cater to diverse needs, including Commercial/Industrial, International, and Leisure Supply markets. With a workforce trained in live-fired equipment and hydronic systems, we provide expert guidance on product selection and system design. Our commitment to excellence is reflected in our partnerships with top brands like Kohler since 1951 and our investment in customer training facilities.We maintain a customer-centric approach, prioritizing personalized service over transactional relationships. Our 22 HVAC branches and dedicated Hydronics Specialist Team demonstrate technical expertise in energy-efficient heating solutions. Supporting major projects like Safeco Field and Providence Hospital underscores our industry authority. We guarantee prompt delivery through our fleet of trucks while maintaining competitive pricing across all product lines. This combination of experience, specialized knowledge, and service reliability has made us Washington State's 34th largest privately held company.
Services
Residential Plumbing
Commercial Plumbing
Leisure Supply
HVAC Systems
Hydronics
Fire Protection
Product Training
Details
- Year established: 1945
Highlights and features
- Family-owned operation with 78 years of industry experience
- Specialized divisions serving commercial, industrial, and international markets
- 70+ branch locations across nine western states
- Authorized Kohler distributor since 1951 with showcase locations
- In-house training center for live-fired HVAC equipment education
What people say
Expert technical knowledge
Reliable delivery service
Extensive product range
Specialized divisions
Family-owned service
Services
Residential Plumbing
We supply comprehensive residential plumbing materials for new construction, remodeling, and repair projects. Our product range includes pipes, fixtures, and water systems from top manufacturers. With 55+ branches and 20 showroom locations, contractors access hands-on product experiences and expert guidance. This division remains a core strength since our founding in 1945.
Commercial Plumbing
Specialized division serving mechanical and industrial contractors with commercial pipe, valves, and fittings. We support large-scale projects like stadiums and hospitals with complete supply solutions. Our branches maintain dedicated commercial inventories, including deliveries to refineries and laboratories. This division originated in the late 1980s to meet growing industry demands.
Leisure Supply
Distributor of pool and spa products since 1982, serving the Pacific Northwest and beyond. We offer complete packages including pumps, filters, heaters, and accessories from brands like Hayward and Pentair. Strategic distribution centers ensure timely delivery across western North America. Our inventory supports both residential and commercial leisure projects.
HVAC Systems
Keller Air provides HVAC products at 22 locations since 1993. We feature Rheem, Samsung, and Honeywell systems with expert consultation on optimal equipment selection. Our training center demonstrates live-fired units including ductless and inverter-driven models. This division combines competitive pricing with technical expertise.
Hydronics
Energy-efficient hydronic heating solutions since 2002 with 32 specialized team members. We offer system design assistance and product selection for radiant heating applications. Our experts receive biannual training on technology advancements and demonstrate working boiler systems at our training facility. This division addresses both residential and commercial needs.
People
Howard Keller
Founder
Established Keller Supply in 1945 from a 600 sq ft warehouse. Grew the business to 70+ branches while maintaining family ownership. His vision created specialized divisions that now serve commercial, industrial, and international markets.
Questions
What regions does Keller Supply serve?
We serve nine western US states including Washington, Oregon, California, and Alaska, plus Hawaii and Canada through our 70+ branch network.
What product categories do you offer?
We distribute plumbing supplies, HVAC systems, pool/spa equipment, fire protection products, and hydronic heating solutions across residential and commercial markets.
Are you affiliated with Kohler products?
Yes, we've been a Kohler distributor since 1951 and feature Kohler Showcases in multiple branch locations for hands-on product experiences.
Do you provide technical training?
Our Training Center offers live-fired HVAC and hydronics equipment demonstrations with classroom facilities for 30 participants and hands-on learning experiences.
How can I check product availability?
Use our online system to verify product availability, pricing, and place orders for job-site delivery through our fleet of trucks.
What special divisions do you have?
We operate Commercial/Industrial, International, Leisure Supply, and Hydronics divisions in addition to standard residential product lines.