Air source / Discussions

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

...air source system in the 24,000 BTU range. Suggestions? When looking for a heat pump for a home, we would recommend checking the specs page on whatever heat p...

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

What is your recommendation for an air source heat pump?

...air to air heat pump. What do you recomend? I live in Hillside beach Manitoba....Thank you. To learn more about how to choose a heat pump see this page . I woul...

Posted by Martin Dandeneau July 9, 2020, 2:30 p.m. Heating and cooling 3 Responses

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

...air dryer ”. But there’s savings to be had in building costs as well, because you can reduce the size of the heating system, and you certainly don’t need that m...

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

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

...air-source heat pump is far more efficient and so we rely primarily on that to heat the air of the home. The domestic hot water is a heat pump as well, we use...

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

Where to get good tape for taping air barriers?

You recommend using "brands of tape that are more suitable for extreme temperature changes. Siga,Delta Multi-Band and Air Stop are three examples of tapes with...

Posted by Frank Suerich-Gulick Sept. 12, 2020, 7:25 p.m. Air and vapour barriers 2 Responses

Will I save energy by lowering my thermostat at night?

...air source heat pump furnace. I am getting confliciting information about temperature control. Is it best to set the ASHP furnace at one temperature all day? Or...

Posted by Ryan Peterson May 1, 2018, 11:51 a.m. Heating and cooling 4 Responses

I have chronic illness from the air quality of my home, can you help determine if I need to replace the HVAC system?

...air quality- some return air/vents were completely blocked off by some not very intelligent homeowners - so air isn't moving properly in home. The electric is...

Posted by Niki Harrison Sept. 6, 2019, 4:32 p.m. HRV and ERV 4 Responses

Why is there mold on particle board outside vapor barrier on new addition?

...air conditioning the space. Here is another important page to read – Never Install Air-Conditioning in a Home with a Vapor Barrier You will read there about...

Posted by Christine ML June 7, 2020, 1:35 p.m. Wall assemblies - renovation 1 Responses

How do you install a ground loop for an HRV?

...source (ground loop fluid) to effect the greatest change on the air after it has partially been cooled by the HRV. This loop could also be used by a SHWH to hea...

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

In Ottawa, are geothermal heat pumps efficient?

...air source heat pumps (ASHP) and ground source heat pumps (GSHP) , which was done in a similar climate to Ottawa at the Living City Campus just outside of Toron...

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

Which radiant floor heat is best?

...air radiant systems (e.g. Legalett) aren't direct electric resistance mats more efficient. Seems air and water systems use power to heat the air/water which is ...

Posted by tony wolff Dec. 25, 2020, 1:22 p.m. Delivery: radiant, forced-air and decentralized 3 Responses

Does a low radon air reading necessarily = low radon in well water?

...air-borne source, despite the fact that our water may (as you say) be the sole source for whatever small amount that remains in our household air. Further, our ...

Posted by Steve Bull Jan. 4, 2020, 1:45 p.m. Radon in Homes - Mitigation 5 Responses

Can you install electric wire in floor heat cables and cork flooring?

...air source heat pump , we don’t run the floor often, or at very high temperatures when we do. But we did choose materials that were safe for install on a heated...

Posted by C Whitby Aug. 7, 2020, 6:43 p.m. Flooring and stairs 2 Responses

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

...Air conditioning systems don’t just cool the air in a home, they lower relative humidity levels as well so something would need to be seriously amiss to have mo...

Posted by Sean Sullivan Aug. 27, 2020, 10:36 a.m. Heat pumps, geothermal and AC 5 Responses

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

...air source heat pump as well as an air to water heat pump water heater? Increased efficiency with an air source heat pump and heat pump water heater working i...

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

Is solar air heating for a floor as efficient as solar hydronic?

...air through a floor. The fuel source (gas, electricity, propane etc) will affect cost and efficiency, but differences in how you deliver heat isn’t as big a f...

Posted by Ryan Johnson Dec. 7, 2020, 9:02 a.m. Delivery: radiant, forced-air and decentralized 2 Responses

What is better for a small slab on grade foundation: water (glycol) or electrical radiant heat?

...source, being electric or gas. Then get a few quotes from local installers. Another option would be air heated radiant floors , which is provided by a company...

Posted by Mark Dixon July 7, 2020, 2:56 p.m. Delivery: radiant, forced-air and decentralized 3 Responses

What kind of non-toxic exterior sheathing can be used in place of plywood?

...source a non-toxic one if you like, but typically it doesn't have a measurable impact on interior air quality. There is an interior grade plywood called Purebon...

Posted by pier charter June 4, 2020, 1:12 p.m. Wood and organic materials 1 Responses