Tag Archives: efficiency improvements

Energy Star Portfolio Manager Overview

Energy Star logo
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Energy Star logoEnergy Star Portfolio Manager is an interactive energy management tool that allows you to track and assess energy and water consumption across your entire portfolio of buildings in a secure online environment. Whether you own, manage, or hold properties for investment, Portfolio Manager can help you set investment priorities, identify under-performing buildings, verify efficiency improvements, and receive EPA recognition for superior energy performance.

  • Portfolio Manager helps you track and assess energy and water consumption within individual buildings as well as across your entire building portfolio. Enter energy consumption and cost data into your Portfolio Manager account to benchmark building energy performance, assess energy management goals over time, and identify strategic opportunities for savings and recognition opportunities.
  • Portfolio Manager is an interactive energy management tool that allows you to track and assess energy and water consumption across your entire portfolio of buildings in a secure online environment. Whether you own, manage, or hold properties for investment, Portfolio Manager can help you set investment priorities, identify under-performing buildings, verify efficiency improvements, and receive EPA recognition for superior energy performance.
  • Manage Energy and Water Consumption for All Buildings
  • Set Investment Priorities
  • Portfolio Manager provides a platform to track energy and water use trends as compared with the costs of these resources. This is a valuable tool for understanding the relative costs associated with a given level of performance, helping you evaluate investment opportunities for a given building and identify the best opportunities across your portfolio.
  • In order to take advantage of Energy Star software, your energy management solution should provide an automatic feed (or API – Automatic Programming Interface) directly into Energy Star.  This feed eliminates the need for manually entering all of the data each and every month, and allows the building owners to focus on energy conservation and energy efficiency programs.

How to Perform a Building Energy Audit

USACE, Sembach develop net-zero energy master plan
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USACE, Sembach develop net-zero energy master plan

USACE, Sembach develop net-zero energy master plan by USACE Europe District on Flickr

Building energy audits can be performed on commercial and industrial buildings to assess the amount of energy currently being used and assist in prioritizing and implementing energy-efficiency projects. Energy audits use a variety of techniques to evaluate energy efficiency and identify potential efficiency improvements to lower utility bills and increase comfort. Energy Star rating is just one method of establishing a comparative baseline of the energy usage of a building. Energy audits will assist building owners and property managers in identifying ways to help lower operating costs and create a more competitive position for their building in the real estate market.

Energy audits can be obtained at no cost to the building owner and at a minimum should include a review of the building envelope and building operations.

Typical energy audit reports will include similar recommendations in the following areas:

  • Building Envelope and Building Operations
  • Lighting Systems
    • Occupancy sensors for lighting in amenity areas
  • Heating and Cooling
    • Scheduled start and stop of HVAC equipment and lighting
  • Water Heating
    • Reset boiler hot water temperatures based upon outside air temp
    • Lower domestic hot water temp to 120 degrees
  • Energy Management Systems and Controls
    • Repair/ Replace defective zone control valves
    • Controls to lock out central cooling below 50 degrees
    • Controls to lock out central heating above 65 degrees
  • Set space temperatures during unoccupied times up to 85 degrees/ set back to 65 degrees at night
  • Annual Maintenance
    • Changing filters, cleaning coils and cleaning tubes/duct-work
  • Heat Recovery Operations

Sample Energy Audit Recommendations

Low Cost/ No-Cost Energy Conservation Measures

  • Install Programmable thermostats
  • Insulate interior hot water pipes
  • Install photocell control of parking lot and exterior lighting
  • Global Control for computer monitors “off” after 15 minutes of inactivity or at night

Retrofit or Upgrade at next replacement cycle

  • Evaluate potential savings for alternate Power Systems – Variable Frequency Drives
  • Install low flow faucets, and toilets
  • Install higher efficiency heating or cooling systems
  • Increase roof insulation
  • Evaluate window replacement
  • Replace higher efficiency lighting in common areas, exit lighting and stairwell lighting

Higher efficiency lighting in room areas, especially to replace incandescent bulbs

Get Going

  • Take advantage of DOE’s Energy Star – energy benchmarking software to easily get started and help you establish priorities.
  • Contact a deregulated energy broker in your area and request a free energy audit
  • Contact your local utility company and request a free energy audit
  • Review, prioritize and assign energy conservation measures and energy efficiency measures to ensure all high impact ROI and Low Cost projects are assigned and implemented first.

Contact your local energy broker to provide a list of all available energy rebates and tax incentives.