David Velan
David Velan is the founder and CEO of Ecodrain Inc. Ecodrain designs and sells heat exchangers to recapture heat from warm drain water. Ecodrain has conducted extensive research, building many prototypes and conducting thousands of experiments in order to build high performance devices that are safe and easy to use. David Velan has a bachelor’s of applied science in mechanical engineering degree from the University of British Columbia, and an MBA from McGill University.

Thermal imaging cameras highlight energy lost in homes as hot water goes down the drain

Thermal imaging cameras highlight energy lost in homes as hot water goes down the drain

Thermal imaging cameras have long been a tool used by home performance contractors. But every day, energy leaves the house in an often overlooked way, in the hot water going down the drain.

How much water is used in a hotel shower? (Full disclosure: I had to waste water to answer this question)

How much water is used in a hotel shower? (Full disclosure: I had to waste water to answer this question)

I love taking long showers in hotels and using the sample bottles of soap and shampoo that come in them. It is the best way to unwind after exploring a city...

What makes the ice water challenge work? Nobody likes very cold water

What makes the ice water challenge work? Nobody likes very cold water

As the ALS challenge makes the rounds, it has raised awareness and funds for an important cause. As someone involved in water heating, I couldn’t help but notice that the challenge involved ice water...

Water absorbs more heat per weight than almost any other material on Earth

Water absorbs more heat per weight than almost any other material on Earth

Ordinary water has extraordinary properties. It can absorb more heat per weight than almost any other material on earth. Put another way, it takes a lot of energy to increase the temperature of water, and as water decreases in temperature, it gives off a lot of energy.

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