HVAC: Remove and replace air handlers and condensing units; install electric duct heaters and modify and insulate mechanical room ductwork, with associated refrigerant, condensate, and vent piping.
Hot water: Remove hydronic boilers and indirect domestic hot water storage tanks; install gas-fired domestic water heaters with associated piping connections.
Electrical: Provide and replace panels and disconnects required for the HVAC and plumbing modifications.
Phasing: Complete one cottage at a time; each cottage will be unoccupied during construction.
Pricing: Include all labor, materials, and equipment for the complete scope.