Passive heating / Guides

What is a heat pump
Heat pumps, geothermal and AC

Heat pumps: what they are and how they work

...heating or cooling systems is that a heat pump can actually be configured to do both heating and cooling. The thermodynamic cycle described above can actually be reversed in order to switch it from one function to the other. Instead of taking heat from outside to heat your home on the inside, you can also take heat fro...

Off grid, passively heated and cooled house in the Gatineau Hills, Que
Off-grid and Net-Zero Housing

Off grid living blog, part 2: passively heated, this house in Quebec aims for LEED certification

...passively-heated home. See post 1 of the off-grid homes blog here . or post 3 in the off-grid homes blog here . This off-grid home design began with the basic principles of passive heating and cooling - invest in really good windows, face as many of them south as you can to gain heat, and install heavy duty insulatio...

Efficient green home design choices
Concept and design

Efficient home design, or how to design a home to use less energy

...heating strategies here. A house with 60% of its windows facing south ( passive solar ) may have its heating requirements reduced by as much as 25% for virtually no cost. It is important that it be properly-designed to avoid overheating though, or you will negate any heat savings with air conditioning in the summer. ...

Passively-heated off-grid LEED Gold home
Off-grid and Net-Zero Housing

Off-grid living blog part 6 - energy modeling projections and real performance

...heating needed for this home is accomplished by sun streaming in the windows. I've taken just enough of a look at the passive solar heating literature to know that this is roughly as high as one should go with passive solar heating in a home unless one is willing to endure unwelcome overheating on warm sunny days in ...

Rendering of the Ecohome demonstration house
Efficient home design

Ecohome Demo House: High performance, affordable cost

...Passive heating and cooling, healthy living space, affordable to build and operate, resilient and flexible design. The underlying goal of the Ecohome Demo House was to design and build a modestly-sized but functional home that would greatly outperform conventionally built homes, yet be on par with those homes in its ...

Passively-heated off-grid LEED house in Low, Quebec
Off-grid and Net-Zero Housing

Off-grid living blog: a firsthand account of building and living in a remote area

...passive solar design is that much of the heating load is carried by the heat coming in the windows, with energy modeling suggesting that about 30% of the house's total heat load is being passively provided by the sun. The final thing that always needs to be mentioned when discussing a building envelope is air-tightne...

LEED Platinum Prefab Home Kits
LEED Homes

LEED Platinum Pre-fab Homes

...passive solar gain . © SeeVirtual Not only is this a high efficiency home, it's a healthy home as well. Indoor contaminants were kept to a minimum by installing formaldehyde-free solid wood cabinets and zero VOC paints and finishes. Some other features that this home includes are: HEPA f...

Skygarden House home renovation in Toronto, Canadian Green Building winner
Real estate

This beautiful Renovation in Toronto is a Canadian Green Building Award Winner

...passive strategies such as natural ventilation, passive cooling, daylighting, and solar gain were maximized. These were integrated with efficient active systems, such as in-floor radiant heating , high-velocity cooling, low-flow plumbing fixtures and high-efficiency lighting . Complementary to this approach, a key su...

Blower Door Tests - What's the Cost & Who Does Them?
Air and vapour barriers

What is a blower door test? What's the cost? How do you find a company to do one?

...Passive House air leakage rate has to be 0.6ACH or lower , which is several times more airtight than the average home and that is partly why a Passive House consumes several times less energy in heating. Even at 3 air changes per hour, which is much better than most older homes, the entire volume of air in your home ...

Net Zero Energy Home ZNE in Edmonton Alberta
Off-grid and Net-Zero Housing

Award winning Net Zero Energy house in Edmonton Alberta Leads the Way

...passive solar design , increased insulation, airtight construction techniques , highly efficient mechanical systems and photovoltaic power generation . These systems and design features work together to achieve an EnerGuide rating of 100. The home also boasts a Walk Score of 56 and a transit score of 58. ...

How to choose Triple pane, high performance windows
Windows and doors

Our top tips for buying high-performance windows

...passive solar heating . But they are also holes in our wall structure, making them by far the weakest part of the thermal envelope of any home unless we choose good ones. So how should we select our windows to reduce energy bills all year round? It is very important to understand that choosing the wrong windows will ...