Stack effect / Discussions

What are your thoughts about incorporating natural ventilation techniques into the heating/cooling/ventilation design of a house?

...effectiveness of employing natural ventilation (stack effect, night flushing, cross ventilation) along with mechanical ventilation (HRV or ERV) for a mixed mode...

Posted by dean c Jan. 18, 2020, 3:51 p.m. Ventilation 1 Responses

Do you have a diagram showing effect of winds on the pressure inside the house?

...stack effect of warm air rising will create a convection in the house as well as create a positive pressure at the top portion of your building enclosure. How m...

Posted by Bryan Bargen June 8, 2018, 5:20 p.m. Air and vapour barriers 1 Responses

Do I need ceiling fans if I have an HRV?

I have high ceilings and I will be adding an addition this summer with normal height ceilings and a new stairwell to the basement. Should I arrange for a ceili...

Posted by S McIntyre April 2, 2019, 10:01 p.m. Ventilation 1 Responses

How do you seal up an old fireplace chimney?

...stack of bricks with a layer of rigid insulation (rockwool or expanded polystyrene) and half inch-thick plywood, which can then be covered to match the rest of ...

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

How do you fix high humidity levels in a basement?

...stack effect, humid air from the basement will rise to the living area , so fix the problem down there and you may fix it upstairs. If you do plan to do further...

Posted by JR Tadinac Aug. 21, 2019, 11:26 a.m. Healthy indoor air quality 3 Responses

How do you insulate a crawlspace?

...stack effect, this air will also rise into the conditioned living space above. Rather than inviting in new humid air in a crawlspace with ventilation hatches, y...

Posted by Drew Weistend Nov. 14, 2017, 9:22 a.m. Crawl spaces 1 Responses

My door lock keeps freezing to the point I can’t open it, any idea why this would happen?

...stack effect), air will leak in on the lower levels and leak out on the upper levels, and as warm humid air leaks out, it condenses and freezes. Air may be co...

Posted by AJ Nov. 13, 2016, 1:15 p.m. Walls and Roofs 1 Responses