Ventilation / Discussions

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

...ventilation (stack effect, night flushing, cross ventilation) along with mechanical ventilation (HRV or ERV) for a mixed mode ventilation strategy? Is there m...

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

Improving the efficiency of a home built in 1978 during renovations, do I need an HRV?

...ventilation (HRV) or a energy recovery ventilation unit . If so, a nice ductless HRV system for renovations can be a pretty appealing option since you don’t hav...

Posted by joe cruikshank Feb. 8, 2020, 12:08 p.m. HRV and ERV 1 Responses

How to fix condensation on ceilings?

Hi! We moved into a house last winter (it is a 50 year old home) and we notice condensation on the ceilings. The house also had plywood soffits with minimal ve...

Posted by Jessica Sadler Nov. 13, 2019, 11:48 a.m. Walls and Roofs 1 Responses

If a passive house is designed well is it worth the extra cost for Low E window coatings?

...ventilation. Low-E coatings are something we always recommend whether you’re installing double or triple glazed windows . So when you talk about having a Passiv...

Posted by Joe Van Kuren June 7, 2019, 8:37 p.m. Passive solar home design 1 Responses

What is the best way to reduce humidity in a basement?

...ventilation in the basement apart from the drafts. There is a sink, the hot water tank with drain off and furnace, and one small window that stays closed to kee...

Posted by Frank Cooper Oct. 17, 2019, 10:45 p.m. Basements improvements 2 Responses

How do you insulate a crawlspace?

...ventilation, which is a fairly common mistake. In most regional climates across Canada, ventilating a crawlspace will not reduce moisture problems , it will add...

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

How do I find a green builder in my region?

...ventilation, durability, etc, so you are armed with a bit of info when you make calls. I would say that you are best off with a builder that respects your goals...

Posted by Marie Isakower July 26, 2018, 8:12 a.m. How to Find Qualified Green Building Professionals 3 Responses

How you vent a metal roof?

...ventilation as you mention - make sure air can flow and water can drain right below the metal. We don't have a dedicated page I can reference, but here is our p...

Posted by Kim jarrett July 12, 2019, 12:15 p.m. Roof coverings 3 Responses

How do you get rid of mold in a bathroom?

...Ventilation In the absence of a bathroom fan, you should reduce the humidity in the room as much as possible by removing any carpets that could hold moisture in...

Posted by Sara Oct. 28, 2017, 9:50 a.m. Healthy indoor air quality 1 Responses

Lunos HRV - where can I buy them and get advice?

...ventilation section of our building guide .

Posted by martin tierney Nov. 16, 2019, 4:57 p.m. HRV and ERV 1 Responses

Is it normal that condensation forms on the windows of my new home?

...ventilation unit yet that is likely part of the problem, as moisture you generate in the home (through washing, cooking and bathing) increases the overall level...

Posted by Kevin Newman April 19, 2017, 10:30 a.m. Ventilation 1 Responses

is it possible to integrate an HRV system into an existing gas forced air HVAC system?

It is a Trane XL95 four speed blower and trane AC

Posted by richard gunderson Feb. 27, 2020, 2:35 p.m. Mechanical systems 0 Responses

What are the most cost-effective green building strategies in new home construction?

...ventilation equipment do their job. A poor air barrier and lots of air leakage can account for 1/3 of heat loss in a home. The best type of windows (thermal c...

Posted by M T Nov. 4, 2019, 11:07 a.m. Concept and design 3 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

Where can I buy an HRV in New York State?

...ventilation system would depend a lot on your climate zone. First I would recommend you look over this article about choosing between an HRV and ERV to see whic...

Posted by Jarred Weaver July 29, 2019, 8:55 a.m. HRV and ERV 3 Responses

What should I be looking for in a heat recovery ventilator?

...ventilation capacity), measured in CFMs, or cubic feet per minute Performance, or heat recovery rate – meaning the percentage of heat recovered from exhaust a...

Posted by Adam Y. Dec. 11, 2017, 1:07 p.m. HRV and ERV 1 Responses

Can you preheat ERV inlet air?

Have you heard of the option to preheat the ERV/HRV inlet air with a dedicated tube that runs through a heated slab? Similar to a geothermal heat exchanger con...

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 1 Responses

Has anyone used Lunos Ductless HRVs in Alberta and passed inspection?

The home inspector is looking up if anybody in Alberta has used lunos and passed inspection. We don't know of anyone that has used them in Alberta unfortunatel...

Posted by Michelle Dimaano Nov. 4, 2019, 12:41 p.m. HRV and ERV 2 Responses