Marc Chow

An engineer turned entrepreneur residing in Hong Kong.

Specialized in indoor air quality (IAQ) solutions, with options on LoRaWAN or WIFI (IoT) capability.

Business Scope

WOOFAA.com: IAQ product & solution development and trading.
XASER.com: Air cleaning rental and service.
UrbanClimo.com: Enabling corporate carbon neutrality with a microalgae appliance.

Engineer Entrepreneur

See what have filled the gap between a building engineer and a PropTech entrepreneur.

Entrepreneur's Bookshelf

Read market studies authored by others. Some are general overviews, some are on verticals, and some on very deep niches.

Techno Geeks

A collection of interesting technology briefings, addressing problems in better living and productivity in built environment.

Recent Listings

Latest postings on a wide range of topics. Some of them original, some are reviews on others.

You are What You Read

IWBI Annual Report 2021: People First Places

IWBI Annual Report 2021: People First Places

Our Progress in Advancing People-First Places, by International WELL Building Institute. Adoption of WELL offerings in 2021 eclipsed 3 billion square feet of space in 109 countries. Today, WELL is utilized by a fifth of the Fortune 500.

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LoRaWAN Asset Tracking Geolocation Technical Specifications

LoRaWAN Asset Tracking Geolocation Technical Specifications

This is a reference for LoRaWAN asset tracking and equipment geolocation tendering/RFQ/RFP documentation. One important feature of this document is that it specifies an asset tracking system capable to cover BOTH outdoor and indoor ubiquitous geolocation integrated in one single system.

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