Ventilation / Discussions

Is there a small ventilation HRV/ERV for a camper van?

...Ventilation in tiny houses seems to be often overlooked for some reason, though it’s not too surprising to find them absent in a camper fan. How big is your van...

Posted by Ron Timmins June 6, 2020, 8:05 a.m. Tiny house 3 Responses

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

Can an HRV be installed in a condo?

...ventilation point outside away from sources of smell and where it is possible to install. So, I would start with Strata and ask them. Then I would suggest check...

Posted by Eugene Tam June 29, 2020, 7:42 a.m. Healthy indoor air quality 1 Responses

Building a Honka log “pretty good house” planning - thoughts on hvac, ventilation and roof

...ventilation with an ERV (I totally got sold on Zehnder) I have my doubts if it's overkill or "pointless" / can't find information using it in a log house. For...

Posted by Klemen Novak June 28, 2020, 1:55 a.m. Planning and Design 1 Responses

How do you add an Air Exchanger to a house with Hot Water Heat?

...ventilation system? I will answer based on that assumption, if I’ve missed the mark let me know And give me a bit more detail so we can help. But by ‘hot wate...

Posted by Bob Engelhart June 17, 2020, 10:08 a.m. Ventilation 3 Responses

What are the HRV or ERV options for 40-yr 2-storey 2000 sq ft home?

The local ventilation consultants wish to install a second ducting system, in addition to the returns and ducts for a electric-wood forced hot air system For...

Posted by T Newell July 17, 2020, 1:59 p.m. HRV and ERV 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

Can you recommend consultant for hire to optimize tiny home build?

...ventilation, and other aspects. Do you have a list of recommendations? If you want to learn how to build the best tiny house I would start on this page here , i...

Posted by Felicia Hobert July 20, 2020, 5:39 p.m. Tiny house 3 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

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

Should you keep duct work out of the attic?

Research has shown vented roof with air tight attic can save 20% energy. Have you done that before? And suggestion for new 2 story build ? I don’t fully unde...

Posted by Frank Liu July 23, 2020, 8:53 a.m. Ventilation 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

When I use my stove hood I get smoke odours in my home, is that due to negative pressure and how do I fix it?

...ventilation system (heat recovery ventilator or HRV)? Lack of either of those and a newly installed stove hood we suspect are at the root of the problem How bac...

Posted by Anonymous Dec. 11, 2017, 12:37 p.m. Healthy indoor air quality 1 Responses

Why is there fost on underside of roof deck in overhang?

...ventilation in the soffit (perforated metal strips used in wood soffits) would probably create enough ventilation to prevent the air from hitting the dew point....

Posted by George Paul March 23, 2020, 12:10 p.m. Roof assemblies - renovation 2 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

How do you install a ground loop for an HRV?

...ventilation core where incoming air is pre-heated or pre-cooled by exhaust air. No heating or cooling coil is present, you are simply running a fan, and a heat ...

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