Top to bottom great supply house. On my 14th summer, I pride myself in being able to know the closest best supply house where ever you are when you need something on a job in the greater Philadelphia area - similar to George Costanza w/ public bathrooms. Johnsstone has been a constant in the Philadelphia area. Awesome location, products and most importantly the staff. Guy, Dave, Brian, just to name a few, and can’t forget Lee, John and Joe.

Exceptional costumer service! Brian, Dave and Guy, are more than helpful and care about the contractor’s concerns.

Brian, Lisa, and guy are very respectful and great people to work with! Great customer service. Definitely the best HVAC store to go too for service. Great people to be with.

Mac at Johnstone Supply was amazing! My air conditioner stopped working so we brought the motor to the store to see what they could do. After about 10 minutes of looking it over and running some tests we were told all we needed was some oil and a new capacitor. What we thought was going to be a 200+ dollar fix turned out to be less than 7 dollars! I cannot thank Mac and Johnstone Supplies enough for helping us out on one of the hottest days of the year!

Brian, guy and Lisa are great people to work with, never been to another supply house that had a staff whom i found no imperfections in.

Would not sell me a relay as I was not a contractor. Do not waste your time with this company. There are plenty of other local spots in Philadelphia willing to sell common parts to city residents.

Brian and guy great people and Great customer service

Great place for HVAC tools and material! Nice and helpful counter guys!

Everytime I go there service is great, Guy is always helpful in helping me find items, always helpful answering my questions, honest place

Great people who work there, unfortunately need to be a contractor to purchase from them.

GOOD CUSTUMER SERVICE

Love these guys!!

Friendly counter people very helpful

Outstanding Service!

Great Supply.

Best around

Best ever

You have to have certified license to buy / You can only buy if you have a license