Appliance Noise Problems
Diagnose, & Cure Appliance Noise Problems in Building Interiors
APPLIANCE NOISE DIAGNOSIS - CONTENTS: Building & home appliance noises, a complete catalog of sources of building noises traced to common appliances such as clocks, refrigerators, freezers: lists of causes, cures, and detection methods for appliance noise pollution.
Appliance noises in buildings are a bit easier to track down. If you are uncertain just which appliance is a noise source, or if it is a noise source, just try turning off individual appliances to check for cessation of noise.
Appliance noises cover a wide range, from humming refrigerator compressors to rattling loose metal parts.
Appliances most often run intermittently on their own, especially refrigerators, freezers, well pumps, heating systems, air conditioner systems, all produce noises that will start and stop as the appliance is off or on, and may involve humming, whining, whistles, rattles, or other mechanical or electrical sounds.
Air Conditioning or Heat Pump System Noises & Sounds include a very wide range of noises depending on the type of equipment, operating loads, duct systems, even loose or mechanical sounds as well as horrible shrieks and moans of failing parts. Sound recordings and links to diagnostic descriptions of various HVAC system noises are at
Clothes dryer noise: besides the normal noise of the drive motor that spins the dryer and possible gas burner noise if your dryer is a gas unit, watch out for rattles from a very wet, out of balance load, or a horrible crashing and bashing sound that signals that the dryer drum drive belt has burst. Also see safety warnings at DRYER VENTING
Dishwashers are a subject of enough annoying noise (for some models) that most units include a noise rating in their promotional literature. Besides the normal motor noise and splashing sounds during the dishwasher cycle, if your dishwasher sounds have changed, look for a worn or damaged motor bearing. Here are some recordings of various dishwasher noises & sounds, both normal and abnormal
Refrigerator ice makers can produce an unexpected whirring or clanking sounds that you may never notice during daytime but that might be surprising during quite night hours.
Don't rule out tiny appliances that can be surprisingly irritating to people with sensitive hearing, such as electric clocks, clocks on appliances, free-standing electric clocks (a high-pitched mechanical grinding, whirring, or gear noise is common) and non-electric clocks and timers
JETTED TUB & SPA NOISE ISSUES incude whirs and bubbling from the pump and air injection system. If these noises have increased in volume look for a blockage in the water or air system or a loose pump or motor. Shut down the system.
Washing machines: Normal washing machine noises during agitation and spin include the motor sound and of course the tub spinning and water entering or exiting the washer. But loud rattling and banging may be due to a seriously out-of balance washer load that was just not bad enough to shut off the machine. Also look for a failing clothes washer transmission causing a rattle.
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Acoustical Society of America - http://asa.aip.org/ Elaine Moran, ASA Office Manager, Suite 1NO1, 2 Huntington Quadrangle, Melville, NY 11747-4502
516) 576-2360, FAX: (516) 576-2377 email: email@example.com.
ASA is an excellent source of noise and sound standards. Quoting from the associations history page:
"From the Society's inception, its members have been involved in the development of acoustical standards concerned with terminology, measurement procedures, and criteria for determining the effects of noise and vibration. In 1932, The American National Standards Institute (ANSI), then called the American Standards Association, appointed the Acoustical Society as sponsor of a committee, designated as Z-24, to standardize acoustical terminology and measurements. The work of this committee expanded to such an extent that it was replaced in 1957 by three committees, S1 on Acoustics, S2 on Mechanical Shock and Vibration, and S3 on Bioacoustics, with a fourth, S12 on Noise, added in 1981. These four committees are each responsible for producing, developing a consensus for, and adopting standards in accordance with procedures approved by ANSI. Although these committees are independent of the Acoustical Society, the Society provide
s the financial support and an administrative Secretariat to facilitate their work. After a standard is adopted by one of these committees and approved by ANSI, the Secretariat arranges for its publication by ASA through the American Institute of Physics. The ASA also distributes ISO and IEC standards. Abstracts of standards and ordering information can be found online on the ASA Standards Page. More than 100 acoustical standards have been published in this way; a catalog is also available from the Standards Secretariat (631-390-0215; Fax: 631-390-0217). The Society also provides administrative support for several international standards committees and acts as the administrative Secretariat (on behalf of ANSI) for the International Technical Committee on Vibration and Shock (TC-108)." - http://asa.aip.org/history.html
ANSI/ASA S12.60, Acoustical Performance Criteria, Design Requirements, and Guidelines for Schools, 2002.
 Connelly, Maureen, Hodgson, Murray, "Thermal and Acoustical Performance of Green Roofs", Sound Transmission Loss of Green roofs, [presentation, Session 1.5], Greening Rooftops for Sustainable Communities, conference, awards, trade show, Baltimore MD, 30 April-2 may 2008. Web search 4/3/2011 original source: http://commons.bcit.ca/greenroof/publications/
2008_grhc_connelly_hodgson.pdf. These authors provide an excellent bibliography of references for sound transmission in buildings, including some of the references cited just below:
Sharp, BH 1973, Study of Techniques to Increase the Sound Insulation of Building Elements. U.S. Department of Commerce PB-222 829, Washington.
Sharp, BH & Martin S 1996, "The Measurement of Aircraft Noise Reduction in Residences", Proceedings of Inter-Noise, Liverpool, 1996, pp. 2747-2752.
Friberg, R 1973, "Transmission Loss and Absorption Factors for Corrugated Steel Roofs, Insulation on the Outside", Proceedings of Inter-Noise, Copenhagen, 1973, pp. 213-217.
 Colbond, EnkaTech Note, "Acoustical Benefits of Roof Underlayments", Colbond Inc., PO Box 1057, Enka NC 28728, Tel: 800-365-7391, website: www.colbond-usa.com web search 4/3/2011, original source: http://products.construction.com/
 General Steel Corporation, "The Facts About the Acoustical Performance of Metal Building Insulation 2", Sound Transmission Class, General Steel Corporation, 10639 W. Bradford Road, Littleton, CO 80127, web search 4/3/11, original source: http://www.gensteel.com/insulation_facts-5a.htm
 North American Insulation Manufacturers Association NAIMA, "Insulation Facts #58: The Facts About the Acoustical Performance of Metal Building Insulation", NAIMA, 44 Canal Plaza, Suite 310, Alexandria VA 22314, tel: 703-684-0084, website: http://www.naima.org/
 Sarah Hager Johnston, Peregrine Information Consultants, Tel: 860-676-2228, Website: www.peregrineinfo.com Email: firstname.lastname@example.org
Research and writing for insurance, risk management, safety & health, business, and medical professionals. Quoting: Peregrine Information Consultants provides customized secondary research, technical information, and standards, news, current awareness services, writing, and editing to support U.S. clients in property/casualty insurance, risk management and loss control, occupational safety and health, consumer safety, business, retail, manufacturing, and other industries.
Developments in Noise Control, NRCC, National Research Council, Canada, suggestions for noise control, sound transmission through block walls, plumbing noise control, noise leaks, and sound control advice. Web search 01/17/2011, original source: https://www.nrc-cnrc.gc.ca/eng/ibp/irc/bsi/90-noise-control.html
Thanks to audiologist Cheryl P. Harllee, licensed hearing specialist, for discussing noises and noise problems in preparation for this article. Ms. Harllee can be located at the Village Hearing Center, 249 U.S. Highway One, Tequesta FL 33469 561-744-0231
 "Localization of a source of sound in a room," W.M. Hartmann, Proc. Audio Engr. Soc. Eighth International Conference, ed. S. Pizzi, pp 27-32, AES, New York (1990).
 "Auditory Localization in rooms," W.M. Hartmann, Proc. Audio Engr. Soc. Twelfth International Conference, ed. S. Bech pp 34-39, AES, New York (1993). "Listening in a Room and the Precedence Effect," W.M. Hartmann, in
 Binaural and Spatial Hearing} ed. R.H. Gilkey and T.B. Anderson, pp 191-210, L. Erlbaum Associates (1997).
 Medhi Batel et als., "Noise Source Location Techniques - Simple to Advanced Applications", Sound and Vibration, March 2003, retrieved 4/23/2013 original source www.sandv.com/downloads/0303bate.pdf [copy on file as Noise_Source_Location_Techs0303bate.pdf]
Thanks to reader Sue Hazeldine, from the U.K. for discussing how she tracked down a whistling chimney noise to an antique hanging sign on the building exterior - 01/19/2010.
Thanks to reader Michael Anderson, 8 May 2009, for discussing clicking sounds coming from air conditioning equipment.
Thanks to reader Erna Ross who described loss of sleep due to a hissing noise at her home 06/15/2008.
Marpac, produces white sound generators, a product that they identify as the Marpac sound conditioner. Marpac can be contacted at http://www.marpac.com/ or contact the Marpac Corporation,
P.O. Box 560 Rocky Point, NC 28457 Phone: 800-999-6962 (USA and Canada) Fax: 910-602-1435 1-910-602-1421 (worldwide), 800-999- or email: email@example.com
Sound Oasis sound conditioners are produced by Sound Oasis: http://www.sound-oasis.com/ email: firstname.lastname@example.org or 1-866-625-3218
Barrier Ultra-R super high-R building panels, produced by Glacier Bay, use Aerogel and are rated up to R-30 per inch, or in Barrier Ultra-r™ panels, R-50 per inch. The company also produces acoustic panels that are Ultra-db resistant and lightweight. Unlike the appliance insulation panels discussed in the original Q&A above on miracle insulation, these Areogel based panels will continue to retain some, though reduced insulating value if punctured, performing at perhaps R-9 per inch. The product is used in marine refrigerators, but in the future may be available as a residential construction product. The company is researching specialized products in medical, transportation, and aerospace applications. Contact: Glacier Bay, Inc., 2930 Faber Street, Union City, CA 94587 U.S.A., (510) 437-9100, Sales and Technical Information - email@example.com
Noise - a Health Problem - http://www.nonoise.org/library/epahlth/epahlth.htm - quoted below
Racket, din, clamor, noise. Whatever you want to call it, unwanted sound is America's most widespread nuisance. But noise is more than just a nuisance. It constitutes a real and present danger to people's health. Day and night, at home, at work, and at play, noise can produce serious physical and psychological stress. No one is immune to this stress. Though we seem to adjust to noise by ignoring it, the ear, in fact, never closes and the body still responds - sometimes with extreme tension, as to a strange sound in the night.
The annoyance we feel when faced with noise is the most common outward symptom of the stress building up inside us. Indeed, because irritability is so apparent, legislators have made public annoyance the basis of many noise abatement programs. The more subtle and more serious health hazards associated with stress caused by noise traditionally have been given much less attention. Nonetheless, when we are annoyed or made irritable by noise, we should consider these symptoms fair warning that other things may be happening to us, some of which may be damaging to our health.
Protective Noise Levels - 1979, basis for many local noise ordinances and codes - http://www.nonoise.org/library/levels/levels.htm This publication is intended to complement the EPA's "Levels Document,"* the 1974 report examining levels of environmental noise necessary to protect public health and welfare. It interprets the contents of the Levels Document in less technical terms for people who wish to better understand the concepts presented there, and how the protective levels were identified. In that sense, this publication may serve as an introduction, or a supplement, to the Levels Document.
"Measurement of Highway-Related Noise", US Department of Transportation, Federal Highway Administration, http://www.fhwa.dot.gov/environment/noise/measure/chap8.htm
"Sound Decisions" 9/85 p.11 and "Soundproof Room" in 5/85 p.7 in The
New England Builder, Box 97, East Haven, VT 05837 (802) 223-6123.
"Noise and Vibration Control in Buildings", Robert S. Jones,
McGraw-Hill Book Co., PO Box 400, Hightstown, NJ 08520-9989 #006431-8 [$47.50]
"Shoptalk", Builder Magazine, NAHB, Feb. 1986 p. 138, Martin M.
Mintz, AIA, Director of NAHB Technical Services - article about constructing
soundproof floors using wood joists and plywood subfloors.
Guide to Airborne, Impact, and Structure Borne Noise Control in
Multifamily Dwellings", Federal Housing Administration publication.
"Construction Principles, Materials and Methods", Olin, Schmidt, and
"Soundproofing a Music Studio", Gene DeSmidt, Fine Homebuilding,
Taunton Press, 63 S. Main St., PO Box 355, Newton, CT 06470 No. 35,
"Building a Recording Studio", Jeff Cooper, Synergy Group, Inc., Los
Angeles, CA, ISBN 0-916899-00-4.
"The Book Nook" - how to build a quite room, Rodale's Practical
Homeowner, October, 1987, p. 50-61. This issue, p. 98-99, has a good list of
manufacturers/distributors of a range of noise control products such as
acoustical sealants, ceiling systems, resilient channels, wall panels, window
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