Search
Member Login
  |  
Search Standards
  |  
Contact Us
  • Home
  • Certification
    • AHRI Certification Programs
      • Active Chilled Beams
      • Air-Cooled Water-Chilling Packages
      • Air-to-Air Energy Recovery Ventilators
      • Automatic Commercial Ice-Makers
      • Central Station Air-Handling Unit Casings
      • Central Station Air-Handling Unit Supply Fans
      • Commercial Boilers
      • Commercial Finned Tube Radiation
      • Commercial Furnaces
      • Commercial Refrigerated Display Merchandise
      • Commercial Water Heaters
      • Datacom Cooling
      • Direct Heating
      • DX-Dedicated Outdoor Air System Units
      • Forced Circulation Air-Cooling & Air-Heating Coils
      • Geothermal – Direct Geoexchange Heat Pumps
      • Geothermal – Water-Source Heat Pumps
      • Heat Pump Pool Heaters
      • Ice Storage Bins
      • Indirect Water Heaters
      • Indoor Pool Dehumidifiers
      • Liquid to Liquid Brazed & Fusion Bonded Plate Exchangers
      • Liquid to Liquid Heat Exchangers
      • Non-Condensable Gas Purge Equipment for Use with Low Pressure Centrifugal Liquid Chillers
      • Packaged Terminal Air-Conditioners
      • Packaged Terminal Heat Pumps
      • Reclaimed Refrigerant
      • Refrigerant Recovery/Recycling Equipment
      • Refrigerant Testing Laboratory
      • Residential Boilers
      • Residential Furnaces
      • Residential Water Heaters
      • Room Fan-Coils
      • Single Packaged Vertical Units
      • Transport Refrigeration
      • Unit Coolers
      • Unit Ventilators
      • Unitary Air-Conditioner Equipment
      • Unitary Heat Pump Equipment
      • Unitary Large Equipment
      • Variable Air Volume Terminals
      • Variable Frequency Drives
      • Variable Refrigerant Flow (VRF) Multi-Split Air Conditioning and Heat Pump Equipment
      • Water-Cooled Water-Chilling and Heat Pump Water-Heating Packages Using the Vapor Compression Cycle
    • Learn About Certification
      • How to Join a Certification Program
      • Who Can Be Certified
      • Rated Versus Certified
      • AHRI General Operations Manual
      • How To License AHRI Data
      • Annual Sales Volume Reporting Instructions
    • Promoting Certification
      • Brand Overview
      • Brand Usage Guide
      • Obtain the Mark
      • Certification Marketing Toolkit
        • Certification Marketing Toolkit Resources
    • ENERGY STAR
    • NextGen Directory
      • Training
      • FAQs
  • Standards
    • HVACR Industry Standards
      • Search Standards
      • Withdrawn Standards and Guidelines
      • Proposed Standards and Guidelines
      • AHRI (ARI) Standards Referenced in US
    • Canadian Standards
    • HVACR Industry Guidelines
    • Standards Process
      • International Standards Development and Project Status
      • Related Research
      • Standards Development Guide
    • Public Review Drafts
    • AHRI Seismic Standard Overview
    • Standards Development Organizations
  • Contractors & Specifiers
    • Certified Products
    • HVACR Equipment/Components
    • HVACR Replacement Guidance
    • Refrigerant Safety
    • Responsible Use of Refrigerants
      • Equipment Owners
      • Glossary
  • Homeowners
    • Federal Energy Efficiency Tax Credits
    • Indoor Comfort Systems
      • Air Conditioners and Heat Pumps
      • Furnaces
      • Water Heaters
        • Storage Water Heaters
        • Tankless Water Heaters
        • Heat Pump Water Heaters
        • Indirect-Fired Water Heaters
      • Radiant Heating
      • Vent-Free Gas Heating Appliances
    • How Things Work
    • Improve Safety
      • Gas Furnace Safety
      • Floods and HVACR Equipment
      • Vent-Free Gas Safety Heating
      • Infrared Heater Safety
    • Save Energy
      • Central Heating and Cooling Systems
      • Seasonal Energy Efficiency Ratio
      • Water Heating Products
      • Condensing Boiler
    • Technical Definitions and Terms
  • Policy
    • AHRI On the Issues
    • Federal Advocacy
      • Congressional Calendar
    • State Advocacy
      • State Priorities
      • State Legislative Resources
    • Regulatory
      • Smart or Connected Equipment
    • International
    • Intellectual Property Rights
    • Refrigerant Transition Task Force
      • AIM
  • Resources
    • Statistics
      • Historical Data
        • Central Air Conditioners and Air-Source Heat Pumps
        • Commercial Storage Water Heaters Historical Data
        • Residential Storage Water Heaters Historical Data
        • Furnaces Historical Data
      • Monthly Shipments
    • Research
      • AHRI Low-GWP Alternative Refrigerants Evaluation Program
        • AHRI-Low-GWP AREP Conference
        • AHRI-Phase-II-Low-GWP-AREP
        • Reports by Category
      • Public Sector Research
        • Past Programs
        • Technical Results
      • Ongoing Projects
      • Projects Open for Bid
      • Tech Update
      • Members Only Project Reports
      • AHRI Flammable Refrigerants Research Initiative
    • Global Resources
      • New Market Exporter Initiative
      • Tariff Tracker
      • IRIS
        • WTO Notices
        • Refrigerant Policy and Regulatory Resources
        • IRIS Custom Search
      • Global Partnerships
      • Global ASHRAE Chapters
      • U.S. Commercial Service Offices
    • Regulatory Support
      • General-Rulemaking-Information
      • Residential Products
      • Commercial Products
      • Refrigerant Resources
      • Comprehensive Regulations
        • Department of Energy (DOE)
        • United States Environmental Protection Agency
        • International Agreements for Refrigerants
        • Federal Trade Commission
        • California
        • Canada Energy Efficiency and Refrigerant Regulations
    • HVACR Education and Training
      • Rees Scholarship
      • Become an Accredited Program
      • Obtain Donated Equipment
        • Equipment Donation Form
      • Order Textbooks
      • Order/Take Industry Competency Exams
      • Recruit Students
      • Learn About EPA Technician Certification
      • HVACR Career Opportunity Resource Center
    • Systems Steering Committee (SSC)
    • Terms and Technical Definitions
  • News & Events
    • News and Shipping Releases
    • AHRI in the News
    • Members Only News
    • Communications
      • AHRI's Industry Awareness Campaign
        • Campaign Materials
      • AHRI Mobile App
      • AHRI Update
      • AHRI Connect
    • Meetings and Events
      • AHRI Leadership Forum
      • Meetings and Events Calendar
      • AHRI 2019 Spring Meeting
      • NTK-Certification
      • NTK-Workforce Development
      • NTK-Government Relations
      • NTK-International
      • NTK-Regulatory
      • NTK-Research
      • NTK-Standards
      • NTK-Data Services
      • NTK-Public Affairs
    • Political News Links
  • About Us
    • Search AHRI
    • AHRI Industry Sectors
      • Applied Industry Sector
      • Heating Industry Sector
      • Refrigeration Industry Sector
      • Unitary Industry Sector
    • AHRI Members
      • AHRI Member Profiles
    • Join AHRI
    • Contact Us
    • Visit AHRI
      • Hotels Near AHRI Headquarters
    • Careers
    • Annual Reports
    • Privacy Policy
    • AHRI Staff
    • Site Map
  • Members
    • AHRI Logo Download and Usage Guide
    • Reinvent
 
 
 
 

 
  • Standards
  • HVACR Industry Standards
    • Search Standards
    • Withdrawn Standards and Guidelines
    • Proposed Standards and Guidelines
    • AHRI (ARI) Standards Referenced in US
  • Canadian Standards
  • HVACR Industry Guidelines
  • Standards Process
    • International Standards Development and Project Status
    • Related Research
    • Standards Development Guide
  • Public Review Drafts
  • AHRI Seismic Standard Overview
  • Standards Development Organizations

 
Standards > Standards Process > Related Research
Related Research

Classroom Acoustical Study
Full Report (released Aug. 27, 2007)

Quick Links

  • Certification
  • Standards
  • Contractors & Specifiers
  • Homeowners
  • Policy
  • Resources
  • News & Events
  • About Us
  • Members

Connect with AHRI

  • Search AHRI Certification Directory
  • Search Standards
  • Member Login
  • Contact Us

AHRI on Twitter

Tweets by @AHRIConnect

© Air Conditioning, Heating, and Refrigeration Institute
2311 Wilson Blvd, Suite 400, Arlington, VA 22201 | Phone: (703) 524-8800 | Site Map | Privacy Policy