Downtown Philadelphia as well. In fact, the small access street behind my work has a giant boiler in a back of an 18 wheeler that seems to be hooked up to our building while they are working on pipes and such. it's crazy! It was rented which i think was weird, there was a sign on the side to powerhouse, a quick google reveals the link below

https://www.powerhouse.com/boiler-rental/trailer-mounted-boi...