Case Study: The City of St. Pete Beach – Energy Efficiency & Community Reinvestment Program

After being awarded an energy efficiency grant from the State Energy Office, the City of St. Pete Beach selected Hill York’s Energy solutions group for design and implementation of a comprehensive energy efficiency program.  Hill York ranked first amongst all companies competing for the City’s business through the public procurement process.

Project Name and Location:  The City of St. Pete Beach, FL, Energy Efficiency & Community Reinvestment Program
Client/Owner Contact: Steven Hallock, Public Services Director, City of St. Pete Beach, FL
General Contractor: Hill York, 501 A Interstate Ct., Sarasota, FL 34240, 941.379.4535
Completion Date:
July 2011

Project Scope: After being awarded an energy efficiency grant from the State Energy Office, the City of St. Pete Beach selected Hill York’s Energy solutions group for design and implementation of a comprehensive energy efficiency program. Hill York ranked first amongst all companies competing for the City’s business through the public procurement process.

Detailed energy assessments were performed at all City facilities with the final comprehensive scope consisting of high efficiency heating and air conditioning systems, web enabled controls, recomissioning of existing control systems, solar thermal hot water heating, lighting systems and occupancy controls. The project was engineered in-house, managed and self implemented by Hill York technicians. The project was completed on time and on budget leading to high accolades from state auditors.
The project reduced energy consumption in the City by over $33,000 annually which was higher than initial projections. Hill York worked with Progress Energy to secure a rebate of approximately $3,000 for the City.

This comprehensive energy program was amongst the most successful in the state and was written about in the monthly newsletter. Hill York also received this letter of recommendation from the City for their efforts.

Download: City of St Pete Beach Case Study (PDF)


Case Study: The City of Clearwater, Phase I – Long Recreation Center, Phase II – City Wide Energy Efficiency

Both projects have proven to be a great success and Hill York has earned the City of Clearwater’s trust as evidenced their glowing letter of recommendation.

Project Name and Location:The City of Clearwater, FL
Phase I – Long Recreation Center & Phase II – City Wide Energy Efficiency
Client/Owner Contact:
Rick Carnley, Assistant Director of General Services, City of Clearwater, FL
General Contractor: Hill York, 501 A Interstate Ct., Sarasota, FL 34240, 941.379.4535

Completion Date:
Phase I – June 2009
Phase II – November 2010

Project Scope:
Phase I – Hill York was the selected design build contractor in the installation of a dehumidification system to serve the natatorium, to install high efficiency packaged rooftop air conditioning units, and to implement heat recovery technology. The basis for the project was energy savings delivered. The systems were designed with maximum efficiency in mind. As an example heating requirements for the pool water and domestic loads were offset by a heat recovery process that captured waste heat from a vapor compression refrigeration cycle.

Phase II – Hill York was again selected as the design build contractor for a second energy efficiency project. This project is partially funded by the Energy Efficiency and Conservation Block Program and Hill York has been fully compliant with various program requirements including, Buy American provisions. This project involved the retrofit of standard efficiency HVAC systems with high efficiency units, a pool pumping strategy that minimizes pumping loads while remaining in compliance with the FL swim code, and a redesigned HVAC system that will drastically reduce reheat loads in the summer months.

Both projects have been a great success and Hill York has earned the City of Clearwater’s trust as evidenced by the letter of recommendation shown here.

Download: City of Clearwater Case Study (PDF)

Case Study: Southern Command

The intent of this massive project was to provide a building designed from the ground up to support 24/7/365 operation, to provide an internal data center capable of meeting the base’s needs, and to provide the necessary security for Sensitive Compartmentalized Information Facility areas for processing classified information.

Project Name and Location: Southern Command, Miami, FL

Client/Owner Contact: Critchfield Mechanical, Inc.
Client Name: Kalam Momin
Contact phone: 650-333-2581
Completion Date: September 2010

Project Scope: Hill York was subcontracted by Critchfield Mechanical Incorporated, out of San Diego, California (CMI).  CMI was the engineer of record and prime mechanical contractor, who worked for general contractor Hensel Phelps.  The contract on record initiated with the Arm Corps of Engineers. The end user is a joint military task force of the Navy/Marines, Army, and Air Force which is the U.S. Southern Command.  The Southern Command oversees all military operations in South America and the Caribbean areas.

Hill York installed a new 4000 ton central chiller plant with chillers, cooling towers with solid separators, and pumps with a primary/secondary chilled water loop configuration, with variable speed secondary chilled water pumps and cooling tower fans for substantial energy savings.  We also installed all piping to service three buildings on the base;  The Headquarters, Services, and CIOC buildings.  This includes underground piping, and piping under a raised floor for an approximately 1000 ton data center.  We had to accommodate SCIF areas by installing dielectric barriers to ensure no electromagnetic radiation from the space was transmitted by the metallic pipes.

At project completion we performed a full system commissioning to verify correct operation of all components, including laser alignment of all pumps.

Quick Summary

Objectives: Install new CHW system with N+1 redundancy, meet SCIF requirements in top secret areas

Project Location: Miami, Florida

Major Decision Drivers: Security, Reliability

Building Type/Size: Military

Total Cooling: 4000 tons

Design Considerations: Classified  facility with EMR  transmission requirements, 24/7/365 Operation, N+1 Redundancy

Unique Features: 1000 ton data center, high security, full system commissioning w/independent CXin agent

Installation Date: 2009 – 2010

Download: Southern Command Case Study (PDF)

Case Study: The City of Port St. Lucie Energy Efficiency Program

Hill York’s Energy Solutions Group spearheaded a comprehensive energy savings program to help the City of Port St. Lucie save in excess of $154,000 a year in energy costs at their main municipal complex.

Project Name and Location: City of Port St. Lucie | 121 SW Port St. Lucie Blvd., Port St. Lucie, FL 34984
Client/Owner Contact: Daniel Holbrook | Project Manager | City of Port St. Lucie | 772.871.5213
Completion Date: June 2013

Project Scope: Like many municipalities across the country, the City of Port St. Lucie faced the challenge of improving the infrastructure of an aging building portfolio with fixed or shrinking financial resources. City officials were seeking significant long-term energy savings as a funding vehicle for the improvements. The challenge: To achieve the lowest life cycle operating costs with a limited upfront capital budget. As a leader in energy solutions, Hill York was brought in to help the City meet the challenge. Utilizing a co-authored approach to program development, Hill York worked with the City and their team to design and implement a self-funding program that produced tremendous life cycle benefits. After completing efficiency assessments on chillers at three City facilities – City Hall, the Public Works building, and the Police Department headquarters – the team began a series of critical upgrades to slash existing operating expenses and return cash to the budget. Considered the heart of the $7.1 million project, Hill York designed and built a centralized chilled water plant that utilized premium efficiency chillers. Among the most efficient models on the market, the chillers utilize frictionless magnetic bearing technology. Since the energy savings associated with the design was so remarkable, it enabled the City to replace several inefficiency units that were at the end of their useful lives.

Beyond the Central Energy Plant at the Municipal Complex, additional projects were implemented throughout the City to further reduce operating expenses. Hill York installed premium efficiency air conditioning systems in four additional City buildings. Technicians installed demand-based kitchen hood ventilation systems at the City-run golf course and Civic Center. The systems were designed to monitor cooking activity and control system operation according to need. The cost-saving solution transformed grossly inefficient ventilation systems that ran at full capacity when enabled to ones that greatly reduced building cooling loads and energy use during times they are ramped down. With Hill York’s Energy Solutions Group spearheading six energy conservation measures in all, the City of Port St. Lucie is projected to save in excess of $154,000 a year in energy costs. The City will also realize an average annual operations and maintenance savings of approximately $39,000 from the superior life expectancy and durability of the new equipment. Capping off the self-funding project, City officials called it “an absolute victory for the City and taxpayers,” the upfront costs of the comprehensive energy efficiency improvements were further offset by rebates from Florida Power & Light.

Download: The City of Port St. Lucie Energy Efficiency Program Case Study (PDF)

Case Study: Orlando Utilities Commission Service and Maintenance Program

Hill York’s maintenance agreement with the Orlando Utilities Commission helps keep the facilities OUC cools at peak comfort and
efficiency year-round.


Project Name and Location:  Orlando Utilities Commission – Chilled Water Division | Orlando, FL 32801

Project Status: Ongoing

Project Scope: Established in 1923, the Orlando Utilities Commission (OUC) is the second largest municipal utility in Florida. OUC provides electric and water services to nearly 230,000 customers in Orlando, St. Cloud and parts of unincorporated Orange and Osceola counties. To support its innovative OUCooling initiative, a service enabling commercial property owners to outsource the production of chilled water for their air conditioning, OUC needed a partner that could manage maintenance for five major chiller plants. With over 500 chillers under contract and a long history of reducing facility costs through preventive maintenance agreements, Hill York was hired in 2013 to anchor a service and maintenance program ensuring the reliable delivery of more than 35,000 tons of chilled water to multiple businesses and locations.

Of particular relevance to the OUC was Hill York’s expertise in overseeing maintenance programs that fulfill fiscal budgets and minimize downtime caused by equipment breakdowns. OUCooling’s diverse commercial customers who depend on the economy and security of chilled water plant cooling include Lockheed Martin, the upscale Mall at Millenia, the community of Laureate Park at Lake Nona, and the Orange County Convention Center.

Hill York’s experience in maintaining peak air conditioning performance for large venues was especially vital to the serving of the convention center. The second largest convention facility in America with 7,000,000 square feet of total space, it is cooled by a 17.6 million-gallon chilled water storage tank – the largest in the world.

At the convention center and other contracted locations, Hill York’s strategically designed maintenance plans provided significant immediate and long-term benefits to the OUC’s chilled water customers, including:

  • Improved efficiency of cooling systems and lower operating costs
  • Early detection and prevention of costly repairs
  • Extended equipment life cycles
  • Uninterrupted comfort throughout covered facilities

The partnership between the Orlando Utilities Commission and Hill York is ensuring consistent comfort and savings to a growing base of participating property owners. A focus on preventative maintenance plays a pivotal role in making the outsourcing of chilled water production a service that delivers results.