October 2025
Great team at Johnstone Supply in Waltham! Always professional, helpful, and fast to get the right HVAC parts. The staff really knows their stuff — they’ve saved me time more than once. Excellent service and great attitude every time!
November 2022
Great plumbing store, good prices and friendly staff.
November 2021
Not one to write reviews. But Johnstone has been a huge support during this pandemic. When everything else turned into a mess I knew I could count on them. Thanks. Couldn't recommend highly enough.
