home-air-conditioning / Green Building & Sustainable Home Renovation Information & Advice

How do Heat Pumps Work? Ecohome Explains all about Heat Pumps...
Heat pumps, geothermal and AC

Heat pumps: what they are and how they work

Heat Pumps explained simply When it comes to residential heating and cooling systems, few types of heating systems are as energy efficient as heat pumps. But what exactly are heat pumps and how do they work? In short, a heat pump is simply an electrically powered device that is capable of transferring heat from one pla...

Reducing the need for air conditioning
Heating and cooling

How to keep homes cool without air conditioning

  How to cool a home without AC While it's true that no matter where you live, be it urban, suburban or rural, the hottest days and nights of summer may have you dreaming of coolers climates. However, those living in dense urban areas will feel it the most, where ambient temperatures can be 5 to 9 degrees Celcius highe...

Reflective window film to reduce overheating
Windows and doors

Product feature: window film treatment to reflect heat and lower air conditioning bills

After a difficult first half to 2020, heat waves then took hold across North America, from Canada down into the Southern and Central USA. These extreme summer temperatures pose a very real health risk to the most vulnerable members of society.   There are some tips to help keep a home cool during a heat wave, but faced...

Geothermal Heating Systems
Heat pumps, geothermal and AC

Geothermal heating for Homes in North America - Does it work & will it save money?

Geothermal Heating Systems for Homes Domestic Geothermal heating systems can be a great way to heat a home, replace a furnace, and are labeled as money savers. Question is, are they worth the hype? Here's a quick view first of how they operate. Starting at depths of between 6 and 10 metres, the temperature of the earth...

Problem areas of air leakage in a home and blower door test being cond
Air and vapour barriers

Airtight Construction of Homes is Essential: "Your house sucks." "Oh yeah? your house blows!"

Air Tightness in Houses - All about Balancing Air Pressure in the Home We go on incessantly here about the importance of air barriers in home construction to reduce air leakage, but no matter how hard you worked to make a house airtight, if the pressure isn't balanced you will be sucking air in or forcing it out and, d...

Healthy Home Offices - Natural Biophilic Design Ideas
Interior design and furnishing

How do you create a healthy home office? With Biophilic Interior Design

If you’re anything like me, you’ll have daydreamed on more than one occasion of having the luxury of being able to work from home. Oh, the thought of not having to deal with the daily commute, of being able to put your laundry on before the weekend rolls around and being able to spend your lunch break in the luxury of ...

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is an air barrier?

Approximately 100 times more water vapor is carried into our walls by air leakage than is carried by vapor diffusion. That makes air barriers 100 times more important than vapour barriers, so why is no one talking about them? We don't talk about air barriers because we are too busy talking about vapor barriers. An air ...

Living green wall
Healthy indoor air quality

Living walls: what they do and don't do

It is well-documented that indoor air is filled with contaminants, mostly due to cooking (specifically burning) and improperly vented combustion appliances (woodstoves, gas water heaters, gas ranges, etc.). Following that would be formaldehyde, VOCs and other chemicals in building materials and furnishings. All these f...

Why build LEED?
LEED Homes

Why build LEED?

There are no LEED certified builders, only LEED certified buildings. To build a home to LEED certification is something that is accessible to anyone, no accreditation is required to undertake the process. It is simply a matter of registering your project and successfully completing the requirements of the program. Why ...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

We cannot overstate the importance of airtightness in homes and attic rooms. A proper air barrier reduces heat loss in winter, overheating in summer, and prevents moisture build up in walls which can lead to mould and rot. We recently had a chance to try out a product that at first sounds too good to be true, but one t...

DIY air exchanger installation video
HRV and ERV

DIY Lunos HRV air exchanger installation video

This heat recovery ventilation (HRV) system is very different than what people are probably used to seeing, where air is directed to a centralized core for a heat exchange before being exhausted from the house. Lunos is a decentralized system with a series of self-contained units, each with their own ceramic heat exch...