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Call Us: Portland and SW Washington: (503) 353-0100: Email Us: Sales, Support & Training | Business Hours: 7:30 AM to 5:00 PM Mon-Fri

Unitary Supplies
Ductless Accessories


Professional Quality HVAC Parts and Supplies

Prostock stores, the retail purchasing environment for heating & air conditioning contractors, is well organized with most products on display for easy access. The retail-like feel gives you a convenient way to shop locally and plan for HVAC parts, products and supplies.

Mar-Hy Distributors adopted the Prostock concept to enhance our offering to local heating and air conditioning contractors. Since opening our Prostock store, we have received positive feedback from heating and air conditioning contractors. They have improved response time to their customers. Contractors have been able to stay ahead of the competition due to their ability to economically and quickly repair air conditioners, gas furnaces, and other HVAC equipment.

Prostock replacement parts department is committed to improving the business of our HVAC contractors by providing quality services, products, and supplies that earn customer trust and build lifetime customer satisfaction. We value our contractors and will continue to demonstrate respect with integrity and positive energy.  Visit the Prostock store online. Contact us for your password for full access.

Our team at Mar-Hy Distributors would like to thank you for your business graciously.

Jeff Schmidt, Owner

Prostock, Where the Pros Shop