Boiler Replacement Needs: The Mendota, a historic apartment building in Washington, D.C., was heated by a 40-year-old gas steam boiler which fired all day long and never shut off. Building tenants reported that they either didn’t have enough heat or that it was too warm. The cost of natural gas annually had become an enormous expense, and as the heating system became less reliable over the years, the Mendota board of directors needed a better solution.
