Commercial HVAC Replacement. Signed contract attached Replace (5) 60,000 btu Carrier cooling only units with electric heat for the interior zones and (1) 72,000 btu Carrier cooling only unit with electric heat for the Lobby and South perimeter zone. Price includes (5) 60,000 btu Trane cooling only units with electric heat, (1) 72,000 btu Trane cooling only unit with electric heat and (1) curb adapter for the 72,000 btu unit. Existing ductwork,