Efficient / Discussions

In Ottawa, are geothermal heat pumps efficient?

...efficient in cold climates, but as for recouping cost, that’s a toss up. It’s a tough one for us to recommend people do, or dissuade them from doing because usi...

Posted by John Ioannou July 20, 2020, 12:19 p.m. Heat pumps, geothermal and AC 1 Responses

What is the best way to make a row house in Montreal Quebec more energy efficient?

Background: House attached on both sides, built in 1875, in Montreal. Two stories and a basement. Main and 2nd floor have wood floors that I don't intend to ch...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses

What is the most efficient passive home design?

...efficient Passive House wall, if your intention is to reduce your carbon footprint, starts with choosing materials with low-embodied energy. Different insulatio...

Posted by Peter Riley Jan. 29, 2020, 9:01 p.m. Passive House 1 Responses

Does anyone have any experience or thoughts on a geodesic dome ecohome?

I am curious about the measurable advantages and disadvantages of geodesic dome construction for energy efficiency in a zone 3 climate. Would the advantages of...

Posted by Tyler Chidester Dec. 12, 2019, 4 a.m. Concept and design 0 Responses

How to insulate an apartment you don't own?

I'm a tenant, not a homeowner, so I can't tear down drywall and reinsulate but winter is coming and drafts are already getting in. Is there anything I can do t...

Posted by Teresa Cunningham Oct. 21, 2019, 3 p.m. Wall assemblies - renovation 1 Responses

Why do you say building on a slab is more ecological than starting with a basement?

I watched a presentation by Emmanuel Cosgrove of Ecohome who said that a house built on an insulated slab floor was much more ecological and more affordable th...

Posted by Geri P Dec. 11, 2017, 11:45 a.m. Foundations and Basements 1 Responses

I have many issues with my house where should I start?

...efficient upgrades. Please have a read on a few of these pages, and once you have a better idea of what you want to get done and your budget we are more than ...

Posted by Bryan Squirrell Sept. 29, 2019, 3:08 p.m. Wall assemblies - renovation 1 Responses

Can you recommend consultant for hire to optimize tiny home build?

...efficient as possible. So we'd like to hire a consultant to optimize passive solar, ventilation, and other aspects. Do you have a list of recommendations? If yo...

Posted by Felicia Hobert July 20, 2020, 5:39 p.m. Tiny house 3 Responses

What are the most cost-effective green building strategies in new home construction?

...Efficient lighting Efficient appliances Solar panels Geothermal heating/cooling Adding thermal mass Feel free to ignore this list completely and sim...

Posted by M T Nov. 4, 2019, 11:07 a.m. Concept and design 3 Responses

Are slab on grade foundations cheaper than a basement?

...efficient to heat and keep cool? I'm near Portland Oregon - thanks! If the history of our website is an indicator, this question will for sure invite a heated d...

Posted by Jason Nov. 21, 2019, 4:12 p.m. New foundations and slab-on-grade 1 Responses

What are your thoughts about incorporating natural ventilation techniques into the heating/cooling/ventilation design of a house?

...efficient house May we ask where you are located? The level of success you would have using natural ventilation to save energy for heating and cooling would be ...

Posted by dean c Jan. 18, 2020, 3:51 p.m. Ventilation 1 Responses

Which is the best way of sun heating an indoor public swimming pool?

...efficient heating the water using the sun. Please give me information about this. Thank you in advance for your tips and advice. Sincerelly, John Stavropoul...

Posted by Ιωάννης Σταυρόπουλος March 29, 2020, 12:50 p.m. Solar thermal collectors 1 Responses

What is the best way to insulate embedded joists in a basement Montreal Home?

...efficient/keeping-heat/keeping-heat-chapter-6-basement-insulation/15639#a6-2 " I want to use a professional company to spray foam the joist area while using X...

Posted by Emil Idf Jan. 7, 2020, 8:34 p.m. Foundation and basement improvements 1 Responses

Are Insulated Concrete Forms and Gigacrete panels good?

...efficient method of building houses, can be air tight without a lot of additional work, dont have thermal bridges, and they tend to have a hard time catching fi...

Posted by Dallin Sumpter Feb. 21, 2019, 2:46 a.m. Wall assemblies - new construction 5 Responses

What do you think of insulated T Studs in Canada?

...efficient homes. What I DON’T really like at a glance is that they are insulated with spray foam. However, if the company that makes these insulated wood stud...

Posted by Lee Watt June 3, 2019, 10:57 a.m. Wall assemblies - new construction 1 Responses

Why do my radiators make a crackling sound?

I recently bought a home and have yet to spend a winter in it, so it is only just now that I turned on the heat and I'm a bit concerned - they make a crackling...

Posted by Heather Baird Dec. 11, 2017, 1:48 p.m. Heating with electricity 1 Responses

Should I use an air source heat pump in a Passive House?

...efficient, and as they love saying, “ you can heat a Passive House with a hair dryer ”. But there’s savings to be had in building costs as well, because you can...

Posted by Iain cunningham March 27, 2019, 9:31 p.m. Heating and cooling 1 Responses

Should you put insulation on the outside of a cinder block wall in a desert?

...efficient green home? That page should help you figure the answers to you question, and were happy to help more, just fill in some blanks about your current h...

Posted by Michael Apodaca March 9, 2020, 3:10 p.m. Wall assemblies - renovation 1 Responses