Efficient Heat / Discussions

In Ottawa, are geothermal heat pumps efficient?

...heating (GSHP) worth the investment for homes? And here is a page comparing the effectiveness of air source heat pumps (ASHP) and ground source heat pumps (GS...

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

Which radiant floor heat is best?

...heat in it, so when the thermostat hits the desired temperature and shuts off the heat, it will stop heating. A hydronic floor has so much heat in the water tha...

Posted by tony wolff Dec. 25, 2020, 1:22 p.m. Delivery: radiant, forced-air and decentralized 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 is the optimal setup for mechanical systems for slab on grade?

...heat pump for heating and cooling ) is a very well-insulated and airtight envelope, so it doesn't require a lot of heating and cooling in the first place. It is...

Posted by Dave Nuttall July 6, 2019, 9:42 a.m. Mechanical systems 1 Responses

Can you add exterior rigid foam insulation (e.g. EPS) with replacing windows?

...heat pumps and realize that an efficient building envelop is important for these work well.

Posted by Peter Milliken Nov. 9, 2020, 9:13 a.m. Wall assemblies - renovation 0 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

Should I replace my geothermal system with a gas boiler?

...heat in the basement and forced air heat on the main floor. I met with the plumber and the heating guys 2 days ago and have been trying to sort out what the b...

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

How do we find a designer for our new build?

...efficient and low cost. Have read many articles. Total “all in” cost of build $235k if our budget – including septic, well, driveway, electrical. Land already p...

Posted by Tim Blais Feb. 15, 2021, 8:40 p.m. How to Find Qualified Green Building Professionals 1 Responses

Should I be considering 66 or 80 gallon heat pump water heater?

...heat pump water heaters But speaking even just for your domestic hot water needs, I would suggest the bigger one. The thing about a hybrid heat pump water hea...

Posted by Greg Anderson Dec. 19, 2018, 5:44 p.m. Plumbing and water heaters 1 Responses

Are their grants in my area?


Posted by Shannon Hutchison Jan. 29, 2021, 10:30 a.m. Grants and incentives 0 Responses

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

...heated floor to provide most of the heat, and we included a ductless heat pump on the second floor. We used the CS11M model from Direct Air. Both of those manuf...

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

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

...heat pump for the lowest bills? (Heat pumps are 3 times more efficient). And to help you pick the best heating system for Passive House, here are a few pages ...

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

What is the best heat pump hot water heater for an all electric house?

...heat pump water heater we installed to help achieve LEED V4 Platimum in a demonstration home – Air to air heat pump and heat pump water heater working in tand...

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

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

...heat pump water heater? Increased efficiency with an air source heat pump and heat pump water heater working in tandem A heat pump water heater will act to ...

Posted by Réal Paquin May 28, 2020, 12:44 p.m. Heat pumps, geothermal and AC 1 Responses

Does hydronic radiant cooling work?

...heat - Air heated, electric of hydronic, which is best? Even in the appropriate climate it is a fairly complicated system and needs to be carefully designed, ...

Posted by dean c April 30, 2019, 8:01 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

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

...heating system. In net zero designs, if an air source heat pump is used for space heating and an indoor air to water heat pump is used for DHW heating, the net ...

Posted by August Wehrmann March 10, 2019, 9:26 a.m. Heat pumps, geothermal and AC 3 Responses

What is the payout for converting from gas heat to electric heat?

...heat given off by LED lights. What is good for Australia (getting rid of heat), is not as desirable as in Canada (wanting more heat). The heat loss between the ...

Posted by Fred Beaulac Jan. 24, 2020, 10:38 a.m. Heating with electricity 1 Responses

Why do my radiators make a crackling sound?

...heaters often make cracking noises, for example when they are turned on after a long shutdown, or simply when they start heating again when the air temperature ...

Posted by Heather Baird Dec. 11, 2017, 1:48 p.m. Heating with electricity 2 Responses