Specifications include, but are not limited to: FURNISH & INSTALL SMOKE DETECTORS. On each level of the dwelling unit including basements, but excluding crawl spaces and unfinished attics at least one wireless battery operated or hardwired approved smoke detector in proper operating condition must be present. All smoke detectors are to be replaced. Smoke detectors must be installed in accordance with and meet the requirements of the National Fire Protection Association Standards (NFPA) 74 or its successor standards. If a hearing impaired person is occupying the dwelling unit, the smoke detectors must have an alarm system designed for hearing impaired persons as specified in NFPA 74. Smoke detectors shall be located as follows (IAC 661.210.3(11) : On the ceiling or wall outside of each separate sleeping area in the immediate vicinity of bedrooms. In each room used for sleeping purposes. In each story within a dwelling unit, including basements but not including crawl spaces and uninhabitable attics. INSTALLATION TO INCLUDE COMBINATION SMOKE/CO DETECTORS WHERE REQUIRED BY CODE (BEDROOMS/BASEMENT). INSTALL NEW CENTRAL AIR CONDITIONER. Connect new unit to the existing ductwork if sized properly. Replace ductwork if and as necessary to ensure adequate air flow. Energy efficiency rating must be a 13% SEER rating or high enough to qualify for rebate. Air conditioner must be sized for house. Install according to manufacturer's recommendations, warranty, and applicable codes. Must pass local codes and inspection. REMOVE AND REPLACE ELECTRIC/GAS WATER HEATER. Remove and replace existing water heater with new energy star rated, 40 or 50 gallon, electric/gas water heater. Install on pad or in pan if location allows. Complete installation to include all plumbing and venting. All work to comply with the Plumbing and IRC codes. Must pass local codes and inspection. REPLACE FURNACE: Install new minimum 96% efficient (or greater AFUE if necessary to achieve utility rebate) natural gas forced air furnace with PVC type flue with fresh air intake, condensate pump tied into drain system, sized properly for area of dwelling. Tie into existing duct work if possible or provide additional ductwork as needed for proper function and air flow. Installation shall be complete including connection to city gas, registers, ducts, and returns. All accessible existing and new duct work joints shall be sealed with mastic or suitable alternative. New programmable wall thermostat in central area, electrical, plumbing, filter, permits and removal of debris included. Repair all affected surfaces to match existing as close as possible. Contractor will provide access to furnace per code. All work and venting to be completed according to manufacturer warranty. The warranty and manuals must be provided to owner. Must pass local codes and inspection. REPLACE WINDOW/S ( 3 EACH ): Replace window with double hung insert or new construction with full screen. Remove existing storm windows, if any. Remove the existing windows. Install new vinyl windows with thermal pane and removable sash. Window must be LoE, argon filled with welded corners. Install according to manufacturer's recommendations. Properly fill gap between window jam and existing window frame with expanding foam or fiberglass insulation (if applicable). Re?install trim if in good condition or provide and install new trim finished to match. Caulk exterior. Install as per IRC codes. Lead safe practices required.