Geothermal / Discussions

Should I replace my geothermal system with a gas boiler?

...geothermal heating (closed loop, 6 wells 200 ft deep), triple E argon windows, R50 attic insulation, etc. However, the coax coil in the geothermal system has ...

Posted by Lawrence Brusnyk Oct. 31, 2018, 8:07 p.m. Heat pumps, geothermal and AC 1 Responses

Can you preheat ERV inlet air?

...geothermal heat exchanger concept. A cheap way is to build a "puit canadien"

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 1 Responses

Should I build a basement or slab on grade?

...geothermal heating as we had planned. Your toughts? Robert Baker A lot of builders recommend building a basement instead of a slab on grade mainly because o...

Posted by robert baker March 27, 2020, 6:54 p.m. New foundations and slab-on-grade 1 Responses

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

...geothermal system with some kind of hydronic system (underfloor/baseboards/radiators)? -epa certified wood fireplace insert (or pellet)/or woodstove (I intend...

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

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

...Geothermal heating/cooling Adding thermal mass Feel free to ignore this list completely and simply share your knowledge with me directly about the cost/be...

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

Can you install tubing under a slab on grade foundation to extract heat in winter?

Can tubing for a ground source heat pump be put under an iso-slab slab on grade foundation to extract winter heat We generally recommend people check with an e...

Posted by Jennifer Cole Aug. 28, 2019, 11:34 a.m. Slab on Grade 1 Responses

How do you install a ground loop for an HRV?

I have been researching HRV/ERV systems for when we build our house in the next few years. That stated, I have never seen a system in person and do not know ex...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 1 Responses

Can you build a water-to-Air Heat Pump with a large storage tank and well water?

Instead of installing vertical or horizontal loops for a ground source heat pump could you pull water (I'm on a well) into a large tank and use a water-to-air ...

Posted by Doug Edmondson Feb. 29, 2020, 3:32 p.m. Heat pumps, geothermal and AC 0 Responses

Can I see details about the heating and domestic hot water systems of the Edelweiss house?

I saw the article on the CaGBC site regarding the Edelweiss house where it indicated "a hydronic radiant floor and an air source heat pump". Can you post more ...

Posted by August Wehrmann March 10, 2019, 9:26 a.m. Heat pumps, geothermal and AC 1 Responses

What does it take to get a water heater air-conditioner and heater mini-split?

Our water heater just died and it is near expiry date so it needs to be replaced. We have been looking to install an air-conditioner with a mini-split ductless...

Posted by Réal Paquin May 28, 2020, 12:44 p.m. Heat pumps, geothermal and AC 0 Responses

Air source heat pumps: Which brand has the best performance?

I need a 3 or 4 zone ductless air source system in the 24,000 BTU range. Suggestions? When looking for a heat pump for a home, we would recommend checking th...

Posted by Mike Brigham Jan. 22, 2020, 9:25 a.m. Heat pumps, geothermal and AC 1 Responses