Passive cooling / Discussions

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

...passive / pretty-good-house their R value brings them. I'm hoping to get some feedback and possibly alternatives on what I'm thinking. At 204 mm leakproof & sea...

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

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

...cooling zones to minimize energy use. Is this still recommended in a green Ontario home? If so, is it best to use 3 different heating and cooling units, or simp...

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

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

...passive heat gain needs to include a passive cooling strategy such as overhangs or sun shades to prevent overheating in summer or you'll be spinning your wheels...

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

Do I need ceiling fans if I have an HRV?

...cooling sensation. Here is a short video on ceiling fans , they are an integral part of the heating and cooling strategy of our Edelweiss demonstration house .

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

How do you calculate window height and location for passive solar heating?

...Passive Solar Home Design If it's mid-September and you are calculating this now, does that mean you are still in the design phase or have you started buildin...

Posted by Daniel Gardener Sept. 12, 2019, 8:54 a.m. Passive solar home design 1 Responses

Is installing a venting skylight to release hot air from my a home a good idea?

...passive ventilation and cooling suggestions. Here is another article that will help you a lot I think - How to keep a house cool with no air conditioning

Posted by Fred Velsen Aug. 28, 2021, 11:10 a.m. Ventilation 1 Responses

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

...passive heating and cooling You will learn on that page all the benefits of an airtight envelope, a well-insulated building envelope, and how to design window...

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

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

...Passive House high-efficiency zero net energy homes - video In our 2015 demo house build ( the LEED V4 Platinum Edelweiss House ) we used the Mitsubishi Mr. S...

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

Can south facing windows and glass doors, double glazed, be used to collect passive solar heat?

...passive solar basics – How to build a passive solar home The short story is, that if the sun is coming in your window you are getting some passive heat, sim...

Posted by Sue Whall June 5, 2020, 8:13 a.m. Passive solar home design 2 Responses

Are there any updates on the progress of the second demonstration house?

I am most curious about the effectiveness of the air tube floor heating system. The house is now standing, it is the first house built of our new prefab modula...

Posted by dean c April 30, 2019, 7:58 p.m. Solar thermal collectors 2 Responses

is there a SketchNanoGard Review?

Hello! We're looking for ways to up the energy efficiency of our building. We've looked at the typical options, but we are also exploring some more unconvent...

Posted by Island Lake June 24, 2020, 2:37 a.m. Windows and doors 1 Responses

How do you keep concrete house walls from getting too hot in hot climates?

...passive heating and cooling solutions that we can recommend once the house is already built unfortunately. The only thing I could think of would unfortunately b...

Posted by Florence A. Hawkins May 14, 2021, 7:05 a.m. Passive solar home design 1 Responses

What is the right amount of insulation for a house?

...passively heated Edelweiss Demonstration house that covers the basic principles of passive heating and cooling concept and design. Hi, thanks for the response. ...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

Should I build a basement or slab on grade?

...cooling system. What is the heating and cooling system installed in the Edelweiss house? 50% off for sure makes it more appealing! Energy modelling showed that ...

Posted by robert baker March 27, 2020, 6:54 p.m. New foundations and slab-on-grade 9 Responses

How do you install a ground loop for an HRV?

...cooling coil is present, you are simply running a fan, and a heat exchange takes place in the core. Read more here about choosing between an HRV and ERV here. ...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 2 Responses

Does hydronic radiant cooling work?

...cooling advanced enough to be a viable, cost effective option for an average 2300 sq ft residential house? Hydronic radiant cooling can be done, but we would st...

Posted by dean c April 30, 2019, 8:01 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

Can hydronic radiant heating be a complete heating solution for a home?

...cooling. And to answer your questions, the answer is yes to both. It is a new construction on a foundation with insulation between the floor joists. I plan to i...

Posted by Jeremy Peters Dec. 16, 2019, 1:13 a.m. Delivery: radiant, forced-air and decentralized 3 Responses

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

...Passive House , you can for sure trim that down. In some areas, achieving Passive House Certification allows you to bypass normal building codes, so your locati...

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