27th April 2016

Blog: Passive House Explained in 90 Seconds

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Posted by: Carly

We love this short 90 second video created by Hans-Jörn Eich. We have included the transcript below. While most people wouldn’t build to a full Passive House certification level, it is good practice to implement many of the ideals. High energy glazing is a good place to start!

Passive House Explained in 90 Seconds

Does your house have a heater in the basement or maybe a fireplace? Probably also a central air conditioner or maybe a window unit? Did you ever wonder if it was necessary? In 1991, a Physicist in Austria, Dr. Feist, built the first Passive House. Here’s what he did.

  1. Proper insulation. It’s just like wearing the right winter jacket. It also doesn’t need a heater.
  2. No air-leakages. There should be no hole, small or large, to let hot air out of the house.
  3. No thermal bridges. A thermal bridge is like a road for heating energy in which warmth can travel right through your walls. As a matter of fact, most of our houses have thermal highways in our walls where heat can easily travel to the outside. Plus, the house needs proper windows, most of the time with triple pane glass [triple glazing]. It needs to be oriented properly so the sun can heat it in the winter and shade is provided in the summer and uses an HRV (Heat Recovery Ventilation), a device that provides the inside with fresh air without letting the heat out.

Add all these things up, and it turns out your house doesn’t need a heater or air conditioner.

So where does the heat come from? A Passive House needs 90% less energy and that can easily be supplied by your body heat, the sun, your appliances, light bulbs, and even your TV.

This saves you a lot of money on your heating bill and helps preserve the environment, plus you can re use your money to plat.

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