ash / Green Building & Sustainable Home Renovation Information & Advice

Comparing ground source and air source heat pumps
Heating and cooling

Heat Pumps: Ground source geothermal GSHP or air source ASHP, what's the difference?

...ASHP's - and not really "Geothermal" heating in the true sense of the word - but hey - as many folks do call it that, they're also going to search for it, right? GSHP's v ASHP's - how are they compared?  The Sustainable Technologies Evaluation Program (STEP) is run out of The Living City Campus at Kortright, ON, where ...

Aerial view of BRE Innovation Park Living City Campus
Lifestyle and environment

Seven experimental homes being built at the Living City Campus North of Toronto

...ASH). The twin houses act as a living laboratory with more than 400 calibrated sensors that monitor the performance of the buildings' systems.  ASH will now be joined by a small subdivision of experimental houses to further facilitate research into green building products.    “Each of those new buildings will be built ...

Solar panel installation
Solar photovoltaic

Ten questions to ask a solar panel contractor

...ash your clothes in cold water; and turn off lights when you leave the house and even when leaving a room. Should I install a solar battery? Solar storage is expensive, and whether or not it’s worth the money depends on your goals. Both grid-connected and off-grid solar setups have their advantages. Off-grid solar all...

Tesla Solar Roof shingles
Solar photovoltaic

The Tesla Solar Roof: we love the hype, but we'd like to see some actual facts.

Tesla is a powerful brand that when riding on its track record of Electric Vehicles needs to do little but step into a market to get glowing accolades. Some of it is well-deserved, but in the case of their solar shingles that are flooding news feeds, we found very little hard facts behind the big marketing push. To get...

Geothermal heating vs. Air Source Heat Pumps
Heat pumps, geothermal and AC

Air Source Heat Pumps vs. Geothermal Heating: Which is Better for Your Home?

...ASHPs are designed to cope with lower temperatures without backup heating. Geothermal heating systems versus an ASHP When deciding between a geothermal heating system and an ASHP, consider the following factors: Climate Geothermal systems are more efficient in colder climate zones, while ASHPs perform better in milder ...

Wash Clothes in cold water? Only if Washing Better! - © Robert J. Pierson
Hot water

Save money by washing clothes in cold water - Especially as it can wash better!

...ashing machines and specially formulated 'cold water laundry' detergents, low-temperature wash cycles are far more effective than they were a decade ago. Reducing laundry energy use by washing in cold water Consider this: heating water accounts for about 90% of the energy your machine uses to wash a load of laundry. Sw...

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...

Exterior compresssor heat pump water heater
Plumbing and water heaters

Heat pump water heater with exterior compressor

...ASHP's heat pumps, take a read here. Now you know about efficient residential heat pumps, learn more about home heating and energy efficiency solutions in the following pages and in the EcoHome Green Building Guide. Home Heating - How to Design a Home for Thermal Comfort and Efficiency Electric Home Heating - W...