Last edited by Milmaran
Friday, July 24, 2020 | History

2 edition of Measured savings and cost-effectiveness of conservation retrofits in commercial buildings. found in the catalog.

Measured savings and cost-effectiveness of conservation retrofits in commercial buildings.

Kathleen M. Greely

Measured savings and cost-effectiveness of conservation retrofits in commercial buildings.

by Kathleen M. Greely

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  • 19 Currently reading

Published by Energy Analysis Program, Applied Science Division, Lawrence Berkeley Laboratory, available from National Technical Information Service in Berkeley, Calif, Springfield, VA .
Written in English

    Subjects:
  • Commercial buildings -- United States -- Energy conservation -- Costs.

  • Edition Notes

    StatementKathleen M. Greely, Jeffrey P. Harris, and Ann M. Hatcher.
    ContributionsHarris, Jeffrey P., Hatcher, Ann M., Lawrence Berkeley Laboratory. Applied Science Division.
    The Physical Object
    Paginationii, 38 p. :
    Number of Pages38
    ID Numbers
    Open LibraryOL16995656M

    For example, a small but growing subset of new commercial buildings achieve a savings of 50 percent (relative to prevailing model Energy Code ASHRAE ) in regulated energy use (heating, cooling, air-conditioning, water heating, and lighting). 4 Reviews of highly efficient commercial buildings (NBI, ; ASHRAE, ; Torcellini et al., Project Info. Timeline Objectives Determine efficacy, energy savings, and cost-effectiveness of retrofit duct sealing in commercial and institutional; develop and test a screening and diagnostic protocol to identify the best retrofit opportunities.

    Measures (ECMs), and Determining Life-Cycle Cost-Effectiveness for ESPCs with Multiple or Single ECMs. August This document provides guidance on the statutory definition of “energy conservation measure” (ECM) for the purpose of an energy savings performance contract (ESPC), including clarification. MEASURED SAVINGS RESULTS The measured data shows that the average savings from task tuning was approximately 22 percent of the dimmable lighting energy. On a per square foot basis, for a typical commercial space lit with 1 W/ft2, this savings equates to kWh/ft2. The distribution of energy savings across the measured spaces is demonstrated.

    3. What is the Savings to Investment Ratio (SIR) of the retrofit package after considering utility window incentives and KCHA capital improvement funding? Energy retrofit measure cost data were collected to determine the cost effectiveness of individual measures and the retrofit packages as a whole for the three-bedroom fourplex prototype.   Energy Conservation Building Code (ECBC) • The Energy Conservation Building Code (ECBC) was launched by the Government of India on May 27th, The ECBC sets minimum energy standards for new commercial buildings having a connected load of KW or contract demand of kVA in terms of Energy Conservation (Amendment) Act,


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Measured savings and cost-effectiveness of conservation retrofits in commercial buildings by Kathleen M. Greely Download PDF EPUB FB2

In this study, we examine the measured savings and cost effectiveness of commercial retrofit projects inthe United States, Canada, and Europe, representing over buildings.

For these projects, we examine savings and cost-effectivenessby building type and retrofit strategy, savings from individual measures, peak electric. In this study, we examine the measured saving and cost-effectiveness of commercial retrofit projects, representing over buildings.

Topics include saving and cost-effectiveness by building. Measured savings and cost-effectiveness of conservation retrofits in commercial buildings Technical Report Greely, K.M. ; Harris, J.P. ; Hatcher, A.M. In this study, we examine the measured saving and cost-effectiveness of commercial retrofit projects, representing over buildings.

In this study, we examine the measured saving and cost-effectiveness of commercial retrofit projects, representing over buildings. Topics include saving and cost-effectiveness by building Author: Ankit Tandon. This paper describes a procedure for estimating weather-adjusted retrofit savings in commercial buildings using ambient-temperature regression models.

The selection of ambient temperature as the sole independent regression variable is discussed. and Hatcher, A.,“Measured Savings and Cost-Effectiveness of Conservation Retrofits in Cited by: monitoring network to measure energy use of energy-intensive commercial buildings.

The central government has also established incentive programs during the 11th Five-Year Plan (FYP) for retrofitting of energy intensive commercial buildings1. Commercial building retrofit has become one of the important building energy efficiency policies in China.

This study summarizes measured data on energy savings from conservation retrofits in existing residential buildings. We have compiled building performance data on approximately retrofit projects (almost twice the size of the initial study) that we put into four general categories: utility-sponsored conservation programs, low-income weatherization programs, research studies, and.

The AERGs address this gap by providing very comprehensive analytical methods for calculating the cost-effectiveness of retrofit measures.

These methods are supplemented by examples using the Pres Commercial Reference Buildings, and by detailed case studies demonstrating how organizations have successfully implemented similar measures in.

When calculating the return on energy efficiency investments, consider the value of increased occupant comfort in energy-efficient buildings in addition to the financial savings. For example, natural lighting and better indoor air quality in schools can lead to reduced absenteeism among students and faculty, and better student performance.

Empirical estimates of the net energy savings of building energy retrofits. • Retrofits save 12% of energy for commercial buildings.

• Retrofits save 8% of energy for residential buildings. • Realized energy savings are 30–50% lower than those predicted by engineering models. • Energy savings provided by each type of retrofit are.

Measured savings and cost-effectiveness of conservation retrofits in commercial buildings Technical Report Greely, K M ; Harris, J P ; Hatcher, A M In this study, we examine the measured saving and cost-effectiveness of commercial retrofit projects, representing over buildings.

Table 2— Summary of audit results by energy conservation measure. Number of Avera ge Payback in Energy Conservation Measure Recommendations Years* Lighting T12 to T8 fluorescent lighting retrofit 19 Lighting occupancy sensors 9 Exit sign retrofit 5 Incandescent to T8 fluorescent lighting retrofit.

Commercial buildings are responsible for a significant share of the energy requirements of European Union countries. Related consumptions due to heating, cooling, and lighting appear, in most cases, very high and expensive.

Since the real estate is renewed with a very small percentage each year and current trends suggest reusing the old structures, strategies for improving energy efficiency.

These cooling energy reductions, as well as possible increases in thermal energy use (for space heating), should be accounted for when evaluating the cost-effectiveness of improvements in lighting and office equipment. 3 HVAC Systems. The energy use due to HVAC systems can represent 40% of the total energy consumed by a typical commercial building.

In the detailed energy audit, more rigorous economical evaluation of the energy conservation measures is generally performed. Specifically, the cost-effectiveness of energy retrofits may be determined based on the life-cycle cost (LCC) analysis rather than the simple payback period analysis.

Why Commercial Building Upgrades / energy efficiency upgrades makes sense: If you own or manage a large commercial building, it literally pays to be energy efficient and improve its NABERS rating. Energy efficiency in commercial buildings results from a considered and holistic approach to energy conservation measures (ECMs) and water conservation measures (WCMs).

There are many retrofit alternatives; the top 20 in terms of cost-effectiveness (most sav­ ings for each dollar spent) are presented here, with tips on selecting the most appro­ priate for your particular property. Step 5.

Implementation Plan. Knowing how to conserve water is impor­ tant, but no water (or money) is saved until retrofits are. The technical potential savings calculation is the estimate of savings if the measure is applied to every building for which it was applicable.

In cases where more than one mutually exclusive measure could potentially be applied to a specific building, the measure applicability was adjusted to avoid double counting between measures.

Full Text; PDF ( K) PDF-Plus ( K) Citing articles; Computational tools for selecting energy conservation measures for retrofitting existing office buildings 1. S.E. Chidiac, a E.J.C. Catania, a H.L.

Perry, a E. Morofsky, b S. Foo b a Department of Civil Engineering, McMaster University, Hamilton, ON L8S 4L7, Canada. b Public Works and Government Services Canada, Real Property Branch. improvements. These improvements can yield savings of five to twenty percent of a building’s annual utility bill.

Simple paybacks are generally less than 2 years, which equals a 98% IRR (based on a 7 year measure life.)3 Understanding why building systems are operated and maintained the way they are, and where and what improve. The Energy Efficiency Guide for Existing Commercial Buildings: The Business Case for Building Owners and Managers is also available for bulk purchase.

These can be customized with your company logo. For ordering information, contact [email protected] or call ASHRAE Publishing Services at .Measured Savings and Cost-Effectiveness of Conservation Retrofits in Commercial Buildings.

Volume 1: Analysis and Results.Building, with assistance from industry consultants Kipcon Inc./Energy Squared, the energy savings of and cost of 10 commercial advanced energy retrofits (AERs).

The ten buildings are benchmarked against the requirements of the New Jersey Clean Energy Program Pay for Performance (P4P) program.