Rainwater Harvesting for Drylands and Beyond by Brad Lancaster

Publications & Online Resources

Condensate Calculator

“Condensate Water Recovery: Cost Effective Water Conservation” by Karen Guz, ASHRAE Journal, Vol. 47, No. 6, June 2005, pages 54-56.
Great write-up of condensate’s potential and challenges.

“Harvesting Air-Conditioning Condensate in Jeddah, Saudi Arabia and Beyond” by Brad Lancaster

Alternative Water Sources: Supply-Side Solutions for Green Buildings
Scroll down to the Air-Conditioner Condensate section on this page for good info:

Rainwater Harvesting for Drylands and Beyond, Volume 1, 3rd Edition, by Brad Lancaster
Includes a table helping you estimate air-conditioner condensate, evaporative-cooler, and reverse-osmosis discharge volumes; Water-Energy-Carbon Nexus charts giving you energy and water consumption and carbon emission figures for condensate and other waters; and myriad tips on water-harvesting earthworks/rain gardens that passively and freely harvest condensate and other on-site waters to produce and enhance multiple on-site resources.

Rainwater Harvesting for Drylands and Beyond, Volume 2, 2nd Edition by Brad Lancaster
Step-by-step instruction on creating water-harvesting earthworks/raingardens utilizing condensate and many other on-site waters.

Water-Energy-Carbon Nexus data on condensate and other waters

Drops in a Bucket Blog

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Upcoming Events

  1. Desert Green XXV

    September 30 - October 1
  2. 2021 Rocky Mountain Natural Building Conference

    October 14 - October 16
  3. Water Harvesting Design Certification: Fall 2021

    November 8 - November 20
  4. Water Harvesting Design Certification: Spring 2020

    February 28, 2022 - March 12, 2022

Umbrella Newsletter

The Umbrella: Summer 2020

THE UMBRELLA: A catch-all of resources, events, media, and more from Brad Lancaster In this time of Covid-19 and spending more time at home to be safe, I’ve been grateful for the solace, inspiration, and bountiful sustenance my water-harvesting gardens, landscape, and neighborhood forest has provided me, my family, friends, and neighbors. Record summer heat […]

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