The proposed contract is for the replacement (upgrade) of the heat and air unit in the area residence (1700 sq ft) with a high energy efficient unit of at least 31/2 (propane heat) and install a mini split unit in the area office (400 sq ft), Both units must be a quality brand. A. The contractor will remove the old unit from area residence and install new unit replacing all necessary items or parts for unit upgrade. Unit must service a 1700 sq ft house (31/2 ton or bigger). B. Contractor will install a new mini spilt heat and air unit in area office at least 15000 BTU. C. Contractor will order, deliver, and install all the materials needed to complete job. D. All electrical work needed will be provided by contractor. E. Contractor will remove all unused materials and old heat/air unit from area.