About
McMillan Sales Plumbing & Heating
McMillan Sales is a Colorado-based plumbing and heating supply wholesaler, proudly serving our communities since 1960. We offer a full range of commercial and residential products including boilers, water heaters (including instantaneous), pumps, kitchen and bath fixtures, shower systems, tools, and more.
What sets McMillan apart isn’t just what we sell—it’s how we sell it. Our experienced sales team asks the right questions to ensure you get the correct parts, backed by product availability and dependable customer service.
Many of our team members have decades of experience in the Colorado and Rocky Mountain Region plumbing supply industry, including former master plumbers and professionals who have worked directly in local plumbing and heating companies of all sizes. We understand the job because we’ve done the job.
With a 68,000 sq. ft. on-site distribution warehouse conveniently located off I-70 (Exit 277), a reliable delivery fleet, custom warehousing options, and manufacturer-led product training, McMillan Sales is scalable to your needs and focused on solving them. We have your back.
