Geothermal / Discussions

In Ottawa, are geothermal heat pumps efficient?

...Geothermal systems not feasible? Great question, and the answer is yes, geothermal systems are efficient in cold climates, but as for recouping cost, that’s a t...

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

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. Yes, you can run what is called a ‘ground loop’ below grade to warm or cool incoming air to your ERV or HRV depending on the ...

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 2 Responses

Should I build a basement or slab on grade?

...Geothermal company I spoke to practically laughed at the idea we are building on a slab. Hey Matthew, Where are you building, and how big? Geothermal is a costl...

Posted by robert baker March 27, 2020, 6:54 p.m. New foundations and slab-on-grade 9 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

My window drips when I run my air conditioning. What is the fix?

I live in Chicago and my home faces west. On hot days when I run my air conditioning I get drips from my front windows. The house was constructed in the late 9...

Posted by Sean Sullivan Aug. 27, 2020, 10:36 a.m. Heat pumps, geothermal and AC 5 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 a slab on grade prefab form foundation kit to extract winter heat? We generally recommend people check wi...

Posted by Jennifer Cole Aug. 28, 2019, 11:34 a.m. Slab on Grade 1 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 is the best heat pump hot water heater for an all electric house?

I'm planning to convert my house to all electric energy. Do you recommend tankless water heater or a water heater tank? What is the best brand for water heater...

Posted by Babak K Aug. 1, 2020, 7:07 p.m. Heat pumps, geothermal and AC 1 Responses

How do you fix radon and water infiltration in a dry stone foundation?

...Geothermal or just an air source heat pump. Again, this is all theory, so best is to have someone qualified look at it and see the condition of the mortar. Your...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 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

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

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 1 Responses