Cost / Guides

4th generation blowing agents for spray foam
Insulation and soundproofing

New HFO blowing agents for spray foam will make it over 1,000 times less harmful to the climate

...cost, but increased performance: According to Honeywell's global sales manager for fluorinated products, Sanjeev Rastogi, the compound will increase the cost of an XPS panel by approximately 10 to 15%, but it also increases its energy performance from 10 to 15% at the same time. At a thickness of two inches, the HF...

Off-grid and Net-Zero Housing

A Toronto Off-grid home 20 years later; how did it fare? How could it be optimized?

...Cost of living In terms of total operational cost, it would seem the original forecasts were a little too optimistic. However, even at about $1,000 a year in operational cost (more than triple the estimate), it still represents a 2/3rd reduction compared to a conventional house of the same size. Off-grid living in ...

Flexible 'solar glitter' from Mpower Technologies
Solar photovoltaic

Flexible PV 'solar glitter' panels coming soon

...cost of solar technologies has dropped by 70% over the last seven years, and the introduction of solar glitter may help that trend continue. Such a product will be easier and quicker to install on rooftops than a typical bulky solar panel. But beyond fixed building applications, the strength and flexibility opens up ...

Wind farm
Wind power

Storing power from wind farms

...cost estimates have not been released. Excess power will be able to be sold off to other nations such as the UK, which will be able to connect directly to it under the sea. At present over half of Belgium's power supply comes from nuclear energy, which they hope to have weaned themselves from completely by the year 2...

Reflective window film to reduce overheating
Windows and doors

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

...cost of window replacement purely for saving money actually translate into more money in your pocket, as the cost of purchasing and installing windows usually far exceeds the added energy savings. Read more here about when to replace windows and when to repair them. Windows are without a doubt where most of the heat ...

How solar panels work
Solar photovoltaic

All about solar panels - the different options and how they work

...cost is an issue, there are several government grants and community solar projects that can help to spread the cost of your solar panels over a period of time—some areas even have local solar parks that can be accessed by members of the community for a much lower cost. Now you know more about the Tesla Solar ...

Ecodrain greywater heat recovery unit
Greywater Heat Recovery

A new design in greywater heat recovery

...cost effective, with a heat recovery efficiency of up to 60%. Depending on the consumption patterns of users, they generally have a payback period of between 7-10 years, and in some cases a lot less. Utility rates in your region will also affect payback periods, you'll get your money out of it way faster in Ontario tha...

Wood frame Triple-glazed, argon-filled windows in the Ecohome Demo House
Windows and doors

Choosing windows - which window frame? wood v aluminum v vinyl

...cost goes up, along with the weight. There is no question that triple-pane offers more thermal protection, and the added cost will likely be recouped in energy savings. You will certainly be more comfortable, and reduce the potential for moisture damage due to condensation on windows. A variety of materials for w...

Condensation on windows leads to mold & mildew in homes, ERV & HRV systems help
Ventilation

Ventilation & air exchangers

...cost you maybe $20 to $30 at most hardware stores. If you have an issue, crack your window a bit for now until you sort it out. Humidifiers, dehumidifiers and air purifiers are available to deal with some of these issues. A dehumidifier will cost between $200 and $300 to purchase, and maybe $10 to $15 a month to oper...

Tesla Solar Roof Tiles installation just got easier
Solar photovoltaic

Tesla solar roof gains ground with target of 1000 solar roofs / week

...cost? The working figures for the cost of a Tesla roof is $21.85 (USD) per square foot , which, is about 5 times the price of the cheapest and shortest-lifespan shingle roof you can find. But don’t get sticker shock before getting the full picture… and bear in mind that these are most suitable for new-build or when a...

Exterior air barrier membrane © Ecohome
Air and vapour barriers

How to install an air barrier for reduced air leakage

...cost or labour to a project. Read more here about the difference between air barriers and vapour barriers