• Air Infiltration and Ventilation Centre (AIVC) http://www.aivc.org/
• American Conference of Governmental Industrial Hygienists (ACGIH) https://www.acgih.org/
• American Industrial Hygiene Association (AIHA) https://www.aiha.org/
• American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) http://www.ashrae.org
• Indoor Air Quality Association (IAQA) http://www.iaqa.org/
• Indoor Environmental Quality Global Alliance (IEA-GA) http://ieq-ga.net/
• Institute of Indoor Air Quality Management (IAQM) https://iaqm.co.uk/
  
• International Society of Indoor Air Quality and Climate (ISIAQ) http://www.isiaq.org/
• Vocabulary of the Indoor Air Sciences http://www.isiaq.org/docs/Vocab_of_the_Indoor_Air_Sciences.pdf
• Korean Society of Indoor Environment (KOSIE) http://www.kosie.or.kr/
• National Institute of Occupational Safety and Health (NIOSH) http://www.cdc.gov/niosh/homepage.html
  

• Accredited Indoor Air Quality Certificate Issuing Body:
• Acoustics and Air Testing Laboratory Co Ltd 聲學及空氣測試實驗室有限公司 http://www.aa-lab.com/
• Acumen Environmental Engineering and Technologies Co. Ltd 浩科環境工業有限公司 https://www.acumenhk.com/
• Business Environment Council Limited – Indoor Air Quality Solutions Centre 商界環保協會有限公司 - 室內空氣技術服務中心 https://bec.org.hk
• Castco Testing Centre Limited 佳力高試驗中心有限公司 http://www.castco.com.hk/
• CMA Industrial Development Foundation Limited 香港中華廠商聯合會工業發展基金有限公司 http://www.cmatesting.org/
• Environmental Pioneers & Solutions Limited 大成環境科技拓展有限公司 https://www.fsenv.com.hk/environmental-pioneers-solutions-limited
• Fugro Technical Services Limited 輝固土力工程及檢測有限公司 https://www.fugro.com/about-fugro/locations/country/asia-pacific/hong-kong
• PIT Limited 高準檢驗及檢測有限公司 http://pitesting.com.hk/
• Consultants/Suppliers:
• AirProce Company Limited 艾泊斯有限公司 http://www.airproce.com.hk/
• AirTek Limited http://airtek.com.hk/
• A-one Tech Limited https://www.a-onetech.com.hk/
• Associated Environmental Systems Limited 聯誼環衛設備有限公司 http://www.aesl.hk/
• AT Medical Catalyst Environmental Purification Company Limited 醫學觸媒環保淨化有限公司 http://atmc.com.hk/
• Bioem Disinfection Engineering Services Ltd. 貝達安消毒工程有限公司 http://www.bioem.com.hk/
• Blue Active Pro Company Limited 緻藍環保科技有限公司 https://www.facebook.com/BlueActivePro/
• Calcite Indoor Environment Services Ltd. http://calcitegroup.com/
• Carrier Hong Kong Limited 開利(香港)有限公司 https://www.carrier.com.hk/
• Cleair Group Limited 傑一有限公司 http://www.cleairgroup.com/
• Dreamy Aqua Company Limited http://dreamyaqua.com/
• Easyaire Solutions Company 依時亞方案公司 https://www.easyaire.org/
• EcoAir Purification Limited 意高空氣潔淨有限公司 https://www.ecoair.com.hk/
• EnvironmentalCare Ltd 愛環保有限公司 http://www.environmentalcare.com.hk/
• Evergreen Environmental Technology Co., Ltd 冬青環保科技有限公司 http://www.evergreen-environmental.com/
  
• Gainberg Environmental Systems Limited 滴滴佳環保系統有限公司 http://gainberg.com.hk/
• GRN Consultant (Hong Kong) Limited 依格安顧問(香港)有限公司 https://www.grnconsultanthk.com/
• H&A Global Consulting 凱傲全球資訊集團有限公司 http://haglobal.net/
• Health Safety & Environment Office (Hong Kong University of Science & Technology) https://hseo.ust.hk/
• Hinds International (HK) Ltd. 軒時國際有限公司 http://www.hkhinds.com/
• Homeasy Services Limited 家居易服務有限公司 http://homeasy.com/
• Hong Kong Air Purifier Centre Ltd. 香港空氣淨化器中心有限公司 http://hkapc.org/
• Hong Kong Facility Solutions Co Ltd. 香港設施方案有限公司 http://hkfs.com.hk/
• Honour EnviroSafe Tech Limited 尚譽環境安全科技有限公司 https://www.envirosafe-hk.com/
• Hope Year International Limited 合年國際有限公司 https://hope-year.com/
• Ipurifi Environment Company Limited 貝力士環保有限公司 https://www.ipurifi.com/
• ISO-Ing Technologies Limited 品管工程有限公司 http://www.iso-ing.com/
• ISPL Consulting Ltd. 智能安全顧問公正行有限公司 http://www.ispl.com.hk/
• ISS RoboClean (Hong Kong) Co Ltd. 機潔寶(香港)有限公司 http://roboclean.com.hk/
• Jardine Engineering Corporation, Limited 怡和機器有限公司 https://www.jec.com/
• Ka Shing Management Consultant Limited 嘉誠管理顧問有限公司 http://ka-shing.net/
• KOZY HK Limited https://www.kozyhk.com/
• Johnson Group 莊臣集團 https://www.johnson-group.com.hk/
• LBS Air Purification Services Limited 史偉莎空氣淨化服務有限公司 http://lbsgroup.com.hk/
• Lifa Air Limited 麗風有限公司 http://www.lifa-air.com/
• MateriaLab Consultants Limited 物料顧問有限公司 (Fugro) https://www.fugro.com/about-fugro/locations/asia-pacific/hong-kong
• Megatech Solutions Limited 智匯顧問工程有限公司 http://www.megatechsolutions.com.hk/
• MICRODUST (H.K.) LTD. 美高達士有限公司 http://www.microdusthk.com/
• Nano Solution Limited https://nanosolution.com.hk/
• One-stop 360C Air Purification Technology limited 一站式360度空氣淨化科技有限公司 http://www.onestop360c.com/
• Pro Catalyst International Group 保家力國際集團 http://www.procatalyst.hk/
• Raze Technology Limited 睿致科技有限公司 https://hk.nanoraze.com/
• RHT Industries Limited 信山實業有限公司 http://www.rhtind.com.hk/
• Sanitechnic Environmental Ltd 新德力環保有限公司 http://www.sanitechnic.com/
• SGS Hong Kong Limited 香港通用檢測認證有限公司 https://www.sgsgroup.com.hk/
• SP Infinite Technology 安寶創科有限公司 http://www.spit.hk/
• Standard Refrigeration & Engineering Co., Ltd. 立德工程有限公司 http://www.sre-aircon.com.hk/
• TNT Group 天天集團 http://tntgroup.com.hk/
• Venti-Tech International Environmental Service Co, Limited 環迪尖峰環境服務有限公司 https://www.facebook.com/hkventitech/
• Viesta Environmental Engineering Co. Limited 飛雅達環保工程有限公司 http://vee-veco.com/
• Wallcat Distribution Co. Limited 和旗銷售有限公司 http://dp-100.com/
• Welltech Instrument Company Limited 通路儀器(香港)有限公司 http://welltechltd.com/
• Wiltech Engineering Co., Ltd. 暐達工程有限公司 http://wiltech-hk.com/
• Government bodies:
• Environment Bureau 環境局 http://www.enb.gov.hk/
• Environmental Protection Department (EPD) 環境保護署 http://www.epd.gov.hk
• Indoor Air Quality (IAQ) Information Centre https://www.iaq.gov.hk/
• IAQ Certification Scheme https://www.iaq.gov.hk/en/iaq-certification-scheme.aspx
• Private organisations:
• Business Environment Council Limited (BEC) 商界環保協會有限公司 https://bec.org.hk
• Clean Air Network 健康空氣行動 http://www.hongkongcan.org/
• YouTube Channel https://www.youtube.com/user/CleanAirNetwork/
• Civic Exchange 思匯 https://civic-exchange.org/
• Air Quality https://civic-exchange.org/air-quality/
• The Conservancy Association 長春社 https://www.cahk.org.hk/
• Friends of the Earth (HK) 香港地球之友 https://www.foe.org.hk/
• Research:
• Division of Environment and Sustainability, HKUST https://www.envr.ust.hk/
• Institute for the Environment (IENV), HKUST 香 港科技大學環境研究所 https://ienv.ust.hk/
• Air Quality & Exposure Science https://ienv.ust.hk/AirScience
• Building Efficiency - High Performance Buildings https://ienv.ust.hk/BuildingEffeciency
• PRAISE-HK (Personalised Real-time Air quality Informatics System for Exposure) 個人化實時空氣污染風險信息系統 http://praise.ust.hk/

Journals and Magazines:

• Air Information Review (AIR) (quarterly newsletter) [http://www.aivc.org/Air/air.html]
• Atmospheric Environment [614.7 A88 E56 S][http://www.journals.elsevier.com/atmospheric-environment/]
• Energy Efficiency and Indoor Climate in Buildings http://news.inive.org/
• Environment International [614.7 E61 I6][http://www.journals.elsevier.com/environment-international/]
• Indoor Air [628.53 i6][http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1600-0668]

Learning:

• Mould growth:
• A Guide on Prevention and Control of Indoor Mould https://www.iaq.gov.hk/media/67659/booklet-mould-final.pdf
• American Mold Experts https://americanmoldexperts.com/
  
• ASHRAE Position Document on Limiting Indoor Mold and Dampness in Buildings https://www.ashrae.org/file%20library/about/position%20documents/ashrae---limiting-indoor-mold-and-dampness-in-buildings.pdf
• HVAC Systems and Mold https://www.facilitiesnet.com/hvac/article/HVAC-Systems-and-Mold--2998
  
• Indoor Mold Contamination https://inspectapedia.com/mold/Building-Mold-Contamination.php
• Mold (US-EPA) https://www.epa.gov/mold
• Mold: A Common HVAC Complaint That Is Easy To Deal With https://www.goodway.com/hvac-blog/2009/10/mold-a-common-hvac-complaint-that-is-easy-to-deal-with/
• Mold in HVAC Air Ducts | How to get rid of mold in air ducts https://www.anytimehvac.com/mold-in-hvac-air-ducts-how-to-get-rid-of-and-the-causes-and-signs-of-mold/
• Molds (OSHA) https://www.osha.gov/SLTC/molds/
• Slides for Management of Indoor Moulds:
  
• Part I Introduction of Indoor Moulds https://www.iaq.gov.hk/media/75904/slides-for-indoor-mould-part-1-eng.pdf
  
• Part II Prevention and Control https://www.iaq.gov.hk/media/75910/slides-for-indoor-mould-part-2-eng.pdf
  
• Part III Compliance Assessment for Indoor Air Quality Certification Scheme for Offices and Public Placeshttps://www.iaq.gov.hk/media/75916/slides-for-indoor-mould-part-3-eng.pdf
  

• 中国室内环境网 China Indoor Environment Network http://www.cietc.com/

References:

• Flannigan, B. and Morey, P. R., 1996. Control of Moisture Problems Affecting Biological Indoor Air Quality, International Society of Indoor Air Quality and Climate, Milano, Italy. [693.893 C75]
• Harriman, L. G., Brundett, G. W. and Kittler, R., 2001. Humidity Control Design Guide for Commercial and Institutional Buildings, American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc., Atlanta, GA. [697.9323 H29]
• Murphy, J. and Bradley, B., 2000. Dehumidification in HVAC Systems, Trane Company, La Crosse, Wisconsin. [697.9323 M97]
• Prezant B., Weekes D. M. & Miller J. D. (eds.), 2008. Recognition, Evaluation, and Control of Indoor Mold, American Industrial Hygiene Association, Fairfax, VA. [HKALL]
• Stanke, D. and Bradway, B., 1998. Managing Building Moisture, Trane Company, La Crosse, Wisconsin. [P 697.92 S78]
• Trechsel, H. R. (ed.), 2001. Moisture Analysis and Condensation Control in Building Envelopes, ASTM Manual Series MNL 40, ASTM, W. Conshohocken, PA. [693.892 M71 T78]

• QUALICHeCK project http://qualicheck-platform.eu/
  
• TightVent Europe http://tightvent.eu/
  
• venticool -- IEA EBC Annex 62 The IEA project on ventilative cooling http://venticool.eu/

• AIVC webinar on IAQ metrics | Jan- 2017 | Pawel Wargocki (41:17) http://www.youtube.com/watch?v=K50wqtj1X8w
  
• Building Moisture and Humidity Management [videorecording, 90 min.], American Standard Inc. and Trane, La Crosse, Wiscosin, 2001. [AV 697.9323 B93]
• Indoor Carbon Dioxide as Metric Of Ventilation and IAQ: Yes or No or Maybe? | Andrew Persily (NIST) (19:33) http://www.youtube.com/watch?v=TBhP3Bs6RnI
• Why can’t perceived air quality indices tell you about Indoor Air Quality? | Pawel Wargocki (DTU) (41:19) http://www.youtube.com/watch?v=XUXAXCYgs5I