Trees Please Hamilton

Green Solutions to Air Pollution

How do trees help with energy conservation?

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In addition to improving our air quality, trees help us to conserve energy. Energy conservation is great for the environment and your wallet!

Trees help to trap heat in the cold Canadian winter and cool us down in the summer, meaning that we can cut down on both our heating and air conditioning bills.

How do they do it? In the winter, trees act as buffers against the icy wind. Wind is a major cause of heat loss from buildings in the winter, forcing us to turn up our furnaces to stay warm. If planted in the right places near homes and other buildings, trees can reduce this heat loss, saving energy.

In the summer, trees have the opposite effect, cooling us down through a variety of methods. Again, their wind buffering effect comes into play, but this time the trees are shielding buildings from warm air.

Trees also provide shade, making it bearable to sit outside and preventing all the hard surfaces (sidewalks, roads, buildings) in the city from absorbing the sun’s energy and heating up. Finally, the leaves of trees act as mini air conditioners, evaporating moisture from their surfaces and absorbing heat in the process. According to the Urban Forestry Network, moisture evaporation due to one large tree can have the same effect as 10 room-sized air conditioners running all day!

Over the course of 2016 and with the help of our dedicated volunteers, we inventoried 1300+ trees in the Beasley and Beach Strip neighbourhoods. Using Open Tree Map, it calculates values of energy conservation, stormwater uptake, and more.
By inputting certain measurements, we calculate the 1300 trees helps save $128,146 in energy costs every year.

Remember, it’s all about putting the right tree in the right place. The energy conservation benefits vary depending on where you plant the tree, and increase exponentially with the size of the tree. There are lots of resources out there to help you figure out how to get the most out of your urban forest. So before you plant a tree, do your research!

where-to-plant-trees-for-energy-conservation-from-www-yourleaf-org

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Author: treespleasehamilton

A project of the Hamilton Naturalists' Club and Environment Hamilton. Funding by Ontario Trillium Foundation.

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