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 and water-source heat pumps working in tandem I see the air-to-water heat pump solution being promoted quite often in net zero homes. It has been...

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

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

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 2 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

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

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

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

How do you deal with a house under negative pressure?

...air pressure in a home - House Air Tightness - Why Balancing Air Pressure is Essential On air pressure, there is clearly a balance problem with an excess am...

Posted by Connie Taylor April 16, 2020, 1:41 p.m. Ventilation 1 Responses

Could a ductless heat recovery ventilator be used for radon mitigation?

...air through the existing ductwork, however I realize that there is no fresh air coming in or stale being pushed out. Perhaps a plain old air-to-air exchanger th...

Posted by Jim B Feb. 20, 2021, 4:40 p.m. Radon in Homes - Mitigation 1 Responses

What can I use as an air barrier under an old wood floor with no sub floor?

...airflow through the floor. A bit of insulation would be a plus. I think it should also allow moisture to pass through. I would rather put it between the floor j...

Posted by Mimi Costley Nov. 6, 2021, 11:11 a.m. Air and vapour barriers 1 Responses

What is the best type of radiant floor heating for a garage?

...sources in Ontario, but it is the most common heat source in Quebec. An Ontario resident installing a radiant floor would probably choose hydronic with a gas bo...

Posted by J.F. March 24, 2017, 11:14 a.m. Delivery: radiant, forced-air and decentralized 1 Responses

How do you attach exterior siding without affecting the air barrier on a passive house?

...airtight barrier. Thanks, Scott The Zip Sheathing System is an air barrier sheathing when the joints are taped as specified by the manufacturer. There should ...

Posted by Scott Bowker July 16, 2018, 11:07 p.m. Wall assemblies - new construction 3 Responses

What is the best material to use on top of plywood for water proofing?

...air barrier, see our how to install an air barrier properly DIY video . ZIP systems are a good ‘all-in-one house sheathing / weather barrier product, but you wo...

Posted by Babak K July 27, 2020, 12:22 a.m. Air and vapour barriers 3 Responses

How do you seal up an old fireplace chimney?

...air out of the house. To stop your chimney from being a major source of heat loss you need to insulate inside the chimney from the top and bottom, in addition t...

Posted by Gord Nov. 2, 2017, 10:06 a.m. Wood stove and biomass heat 3 Responses