Wood pellet boilers were a key innovative component of the recent $4.7 million upgrade at the Ketchikan Federal Building in Ketchikan, AK. The 1930s-era, six-story building had a 47-yr-old steam boiler system that was at the end of its useful life and was providing inconsistent heat to the building.
Retrieving every last bit of performance from the system while stopping short of the surge line is no small feat. Dig into sizing, tower selection, chilled water loads and stability, and condenser water management to leave no efficiency stone unturned. Read more in April issue