Engineering Study to Evaluate HVAC Systems Upgrades at 4 locations

2026-11-03

The selected firm will be responsible for , but not limited to , the following tasks : 3 . 1 Data Collection and Assessment : 3 . 1 . 1 Review of existing building plans , equipment specifications , and maintenance records . 3 . 1 . 2 On - site inspection and inventory of all HVAC equipment , including chillers , boilers , air handling units , fan coil units , terminal units , controls , and associated piping and ductwork . 3 . 1 . 3 Measurement of system performance parameters , such as airflow , temperatures , and pressures , where feasible . 3 . 1 . 4 Assessment of the building envelope , insulation , windows , and doors as they relate to thermal performance . 3 . 1 . 5 Analysis of historical energy consumption data ( utility bills ) to establish a baseline . 3 . 2 Energy Modeling and Analysis : 3 . 2 . 1 Create an energy model of the existing building and HVAC systems . 3 . 2 . 2 Perform a detailed energy use analysis to identify major energy consumers and areas for potential savings . 3 . 2 . 3 Develop a series of upgrade options , ranging from minor improvements to full system replacement . 3 . 3 Development of Upgrade Scenarios : 3 . 3 . 1 For each upgrade scenario , provide a detailed description of the proposed equipment , system configuration , and control strategies . Examples of potential scenarios include : 3 . 3 . 1 . 1 Replacement with high - efficiency like - for - like equipment . 3 . 3 . 1 . 2 Implementation of Variable Refrigerant Flow ( VRF ) systems . 3 . 3 . 1 . 3 Installation of a new Building Automation System ( BAS ) or controls upgrade . 3 . 3 . 1 . 4 Integration of renewable energy sources ( e . g ., solar thermal , groundsource heat pumps ). 3 . 3 . 1 . 5 Air - side and water - side economizer analysis . 3 . 3 . 1 . 6 Ductwork and piping modifications . 3 . 3 . 2 For each scenario , provide a detailed energy savings estimate , including projected reduction in electricity and natural gas consumption . 3 . 4 Financial Analysis : 3 . 4 . 1 For each upgrade scenario , provide a preliminary cost estimate , including equipment , installation , and engineering fees . 3 . 4 . 2 Calculate the simple payback period , Return on Investment ( ROI ), and Net Present Value ( NPV ) for each option . 3 . 4 . 3 Identify potential utility rebates , grants , or other incentives available for the proposed upgrades . 3 . 5 Final Report and Presentation : 3 . 5 . 1 Submit a comprehensive final report detailing the findings , analyses , and recommendations . The report should include : 3 . 5 . 1 . 1 A summary of the current HVAC system ' s condition . 3 . 5 . 1 . 2 A detailed description of each upgrade scenario . 3 . 5 . 1 . 3 The energy and cost savings analysis for each option . 3 . 5 . 1 . 4 A prioritized list of recommended upgrades based on efficiency , practicality , and financial return . 3 . 5 . 1 . 5 A conceptual design and schematic drawings for the top recommended option . 3 . 5 . 2 Present the final findings and recommendations to the Public Building Commission and Town Council .

Connecticut

2026-03-27