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  • Luiz Bezerra posted a discussion in Ontario
    Share the Passive House experience!
    passivehousecanada.silkstart.com...
  • Discussion in Ontario
    Hello, Ontario members
    If you're a PHPP user, please note that PHI notifications regarding updates to the PHPP are posted on the Passive House Canada website at: www.passivehousecanada.com/phpp-... (under the Software Updates tab)
    There have been a couple of updates...
    see more Hello, Ontario members
    If you're a PHPP user, please note that PHI notifications regarding updates to the PHPP are posted on the Passive House Canada website at: www.passivehousecanada.com/phpp-... (under the Software Updates tab)
    There have been a couple of updates in recent months, so check it out.
  • Phil Maier posted a discussion in Ontario
    Does anyone have a link to some documentation that compares different insulations, their R value per inch, and approx costs?
    • ZBen Polley Hi Phil,

      I saw also your prior post. I currently live/work in southern Ontario though grew up in the Ottawa Valley so was keen to see your intentions in Almonte!

      This may not be a wholly...
      see more Hi Phil,

      I saw also your prior post. I currently live/work in southern Ontario though grew up in the Ottawa Valley so was keen to see your intentions in Almonte!

      This may not be a wholly satisfactory answer though it always begins with “it depends.” For example, cellulose is a low cost material with a moderate R-value per inch, though both the net installed price and even the R-value are affected greatly by the application. If for example the application is a deep, accessible, ventilated attic, then blowing in cellulose is in a loose-fill manner is very common for reason that these conditions make it very inexpensive to install. In your instance as a DIYer this would be even more true, since this is a very easy to do type of activity with suitable rental equipment found at most major building supply stores. However if we continue with the notion of using cellulose in the walls, the question arises as to what the balance of the wall assembly is comprised of…as it will be these other parts that will collectively become part of that cost equation. And they too will have a direct impact even on the cost of the cellulose installation itself, as it is probable that it would need to be applied in some form of densepack – rather than loose fill – application when used in the walls. Correctly densepack applied insulation is not readily plausible with ordinary cellulose blowing rental equipment so it also may mean in your instance that this becomes less desirable an option than for a builder such as us, where labour factors in to all cost equations.

      And of course the above, doesn’t begin to consider entirely different materials and their required assemblies (ie. various rigid insulations instead of densepack, combinations of both, different cavity framing/sheathing types etc)

      While undoubtedly you will be able to make some assumptions and based on the construction of the existing home further rule out some options - thus somewhat reducing the combinations of materials/methods you may wish to consider - in the end pricing is really a wholistic exercise (even moreso when accounting for sweat equity contributions which further change the ordinary relative costs) that if you can find a way, is best performed with some theoretical whole assemblies in mind. Otherwise you may end up with the lowest cost insulation that incidentally creates for you the highest cost building assembly.
      6 months ago
  • Phil Maier posted a discussion in Ontario
    Hi all, I'm excited to finally start on my passive house journey, one I have been debating now for years since I first became aware of passive houses.

    A bit about the project. My 3 kids and I live in a 100+ year old tear down house in Almonte Ontario. The work that would be required to fix...
    see more Hi all, I'm excited to finally start on my passive house journey, one I have been debating now for years since I first became aware of passive houses.

    A bit about the project. My 3 kids and I live in a 100+ year old tear down house in Almonte Ontario. The work that would be required to fix the house and then bring it to any standard, including just plain building code, is just not worth it. I have built before myself and will be doing this project on my own with help from the kids and friends of course. And we are on a super tight minimalist budget that most people wouldn't even consider building anything on. Let's say somewhere around $70k all in. I know sounds impossible.

    Or is it? So the plan is to build a 3 story building beside the existing old house. The building will have a basement apartment for rental income and the other 2 stories will be a 3+1 bedroom setup. Nothing in the house will be fancy. Simple, clean, inexpensive is where I want this project to go.

    The goal at the moment is to come up with a plan that seems possible. What are the least expensive or most cost effective methods of building? What are methods that are not as common but have the possibility of being much less costly that could be employed? One example, how would pressure treated basement walls compare to poured walls. Perhaps instead of a basement, how about a house on concrete piers with the lower floor insulated as opposed to insulated slab? What are the most cost effective means of designing the wall assemblies? What could be a less expensive approach to glazing that would produce the same results like maybe two sets of windows in an opening?

    The kids and I also want to make the work we do here available to others to replicate or build on. We want our house to be an example that others can follow. Housing shouldn't be SO expensive and unaffordable.

    If any of you have any ideas or can point me in the direction of material that might help us, maybe existing designs that are inexpensive, people who may be interested in volunteering some time to the project, grants and or loans we could apply for that are available for green house builds, and such would be great.

    We are looking to start in the spring, so that gives us plenty of time to do all the planning and research between now and then.

    Thank you everyone.

    Sincerely,
    Phil
    • Luiz Bezerra Hi Phil!
      Thank you for you message!
      I really like your idea! Can we talk on the phone or can you send me an email so we can start our conversation?
      here is my e-mail:...
      see more Hi Phil!
      Thank you for you message!
      I really like your idea! Can we talk on the phone or can you send me an email so we can start our conversation?
      here is my e-mail: luiz.bezerra@passivehousecanada.com

      Thank you!
      6 months ago
  • ZChad Thurlow posted a discussion in Ontario
    Hello everyone! Hope you are all staying safe

    When it comes to none air to air heat recovery, like heat recovery chillers or heat re-distribution through a VRF system, are you able to take credit towards lowering the heating energy in a PHPP model with these systems? Will Passive House allow...
    see more Hello everyone! Hope you are all staying safe

    When it comes to none air to air heat recovery, like heat recovery chillers or heat re-distribution through a VRF system, are you able to take credit towards lowering the heating energy in a PHPP model with these systems? Will Passive House allow you to take credit outside the software through exceptional calculations? I can't find answers online to this question, hopefully someone in this group might be able to help me.

    All the best,

    Chad Thurlow
    • Luiz Bezerra Hi Chad!
      The specific heating and cooling demands and specific heating and cooling loads in PHPP reflect the actual thermal energy that would need to be delivered to the whole building and does...
      see more Hi Chad!
      The specific heating and cooling demands and specific heating and cooling loads in PHPP reflect the actual thermal energy that would need to be delivered to the whole building and does not consider the sourcing of that thermal energy. The Primary Energy and Primary Energy Renewable could be influenced to a certain degree by a VRF system, however, given that the PHPP reflects the whole building thermal energy requirements, transferring thermal energy from one area of the building to another will not influence the thermal energy demands and loads.
      11 months ago
  • Brad Durant P.Eng posted a discussion in Ontario
    How do you get an updated list of PHI approved components so I do not have to manually enter new data for approved componenets?
    • Luiz Bezerra Hi Brad, here is where you can get it.
      database.passivehouse.com/en/com...
      11 months ago
    • Brad Durant P.Eng That is the basic info, I mean so I can add this to my Certified Passive House Components list on my Components sheet in PHPP so I can just pick it on column AC of Areas sheet rather than enter... see more That is the basic info, I mean so I can add this to my Certified Passive House Components list on my Components sheet in PHPP so I can just pick it on column AC of Areas sheet rather than enter all the details in the U-values Building Assemblies.
      11 months ago
    • Brad Durant P.Eng I believe I have the most updated PHPP version from June 2019
      11 months ago
  • Christopher Bender posted a discussion in Ontario
    Hello there, I am curious how designers are meeting(or would prefer to meet) the ventilation needs for cold climates, considering that you need frost protection on the HRV. Currently the only Passive House certified HRV uses an electric pre-heat coil for frost control, but that is only... see more Hello there, I am curious how designers are meeting(or would prefer to meet) the ventilation needs for cold climates, considering that you need frost protection on the HRV. Currently the only Passive House certified HRV uses an electric pre-heat coil for frost control, but that is only effective for frost prevention down to approximately -15 degrees C. I believe that a combination of pre-heat and recirculation frost protection may be the optimal solution in a Passive House. Fan shutdown (exhaust defrost) woudl create too much negative pressure in a tightly sealed home, and pure recirculation would not ventilate enough at very low temperatures. Thoughts anyone?
    • Luiz Bezerra There are several options to prevent nucleus icing. Passivhaus does not "certify" de-icing technologies. That said, Passivhaus certification does not allow certain approaches to defrosting the... see more There are several options to prevent nucleus icing. Passivhaus does not "certify" de-icing technologies. That said, Passivhaus certification does not allow certain approaches to defrosting the core. For example, it is not allowed to stop the entry of fresh air in order to use the stale air flow to defrost the core. It is also prohibited to stop the air exchange.
      As for the best approach to prevent core icing, you are right that an electric coil would be expensive in primary energy, but this technology is often adopted by Passivhaus projects because it is the least expensive option (spending on capital) and the simplest. Among the more attractive options, from an energy performance point of view, are Canadian sinks, which not only increase the temperature of the fresh air during the heating season but also decrease the air temperature cool during the summer season. A geothermal glycol loop offers the same benefits as a Canadian well, but with slightly increased complexity.
      1 year ago
    • Brad Durant P.Eng What is a Canadian Sink?
      11 months ago
  • Brad Durant P.Eng posted a discussion in Ontario
    I have clients looking at larger apartment buildings. They are keen on Passive House design but there is no cost data out there to give them guidelines to go by for preliminary discussions with board members and committees. Is there a data base of information on costs relevant in Ontario/Canada?
    • Evelyne Bouchard Hi Brad,

      That's a great question, and a topic worthy of ongoing study as PH becomes more prevalent in the Canadian market. The best resource that I've found to date is the Pembina Institute's...
      see more Hi Brad,

      That's a great question, and a topic worthy of ongoing study as PH becomes more prevalent in the Canadian market. The best resource that I've found to date is the Pembina Institute's report titled "Accelerating Market Transformation for High-Performance Building Enclosures". The section on incremental costs that starts at page 54:

      www.pembina.org/reports/passive-...
      2 years ago
    • Gerardo Parisi unfortunately Ontario is really behind on eco friendly and energy saving homes/construction. I ve got some info and costs regarding fiber-wood insulation panels etc. I happy to share info
      1 year ago
  • Evelyne Bouchard posted a discussion in Ontario
    Hello! Do any of you have recommendations for a structural engineer and an HVAC consultant for a single-family Passive House near Perth, ON? Thanks!
    • See 1 more comment...
    • ZBen Polley Hi Evelyne, Greg was fast on the draw...I can happily add my voice by way of referral to he/ZON for mechanicals. If it makes sense for the project to have someone nearer (apologies Greg!), Ross... see more Hi Evelyne, Greg was fast on the draw...I can happily add my voice by way of referral to he/ZON for mechanicals. If it makes sense for the project to have someone nearer (apologies Greg!), Ross Elliott and Stephen Magneron of Homesol who are just a stone's throw from Perth may be worth considering. With respect to structural, perhaps Rob Blakeney of Local Impact Design might be an option (despite his business name and location rather west of Perth!)? I grew up very near Perth, so am happy to see some PH projects landing in the area!
      2 years ago
    • Evelyne Bouchard Thank you both for your quick responses! It's nice to see that people are active in these PHC regional groups. Greg, I'll send you an email shortly. Ben, thanks for the recommendations!
      2 years ago
    • Greg Leskien Ben's suggestion about Homesol is a very good. With them being local, I expect they would be able to review construction and commission the ventilation system more cost effectively (and with a... see more Ben's suggestion about Homesol is a very good. With them being local, I expect they would be able to review construction and commission the ventilation system more cost effectively (and with a lighter environmental footprint) than we could.

      In terms of structural engineers, I would also put forward Tim Krahn of Built Alternatives Inc. (www.buildalt.com/) . Tim himself is based in Brighton, Ontario.
      2 years ago
  • Evelyne Bouchard posted a discussion in Ontario
    Does anyone have recommendations for external roller shades? For a project in Ontario. The Talius ones look great, but they're out of budget.
    • ZBen Polley Hi Evelyne, you don't state where in Ontario and I think that this distributor/fabricator probably has local representation (if in Perth area still?) however amazingwindowfashions.com fabricated... see more Hi Evelyne, you don't state where in Ontario and I think that this distributor/fabricator probably has local representation (if in Perth area still?) however amazingwindowfashions.com fabricated an exterior motorized roller shade for one of our design-conscious clients, who actually researched this supplier and was happy with the result. I don't see anything on the website that specifically matches what they produced but you could try contacting the rep whom we used:Courtney Dewdney and he could advise how/if they might be able to assist.
      2 years ago
  • Evelyne Bouchard posted a discussion in Ontario
    Hello! I'm working on a couple of single-family projects in Perth and I'm looking for recommendations for a blown cellulose (dense-pack) installer who won't balk at filling 12" external TJIs on the walls. Any suggestions? Thanks!
    • ZBen Polley Hi Evelyne, I haven't a personal suggestion though if you continue to find it difficult to source someone, you may wish to contact Chris Magwood at Peterborough's Endeavour Centre. I know that he... see more Hi Evelyne, I haven't a personal suggestion though if you continue to find it difficult to source someone, you may wish to contact Chris Magwood at Peterborough's Endeavour Centre. I know that he has had success with an installer located east of Peterborough whom I understood was willing to travel. Aside from him, I would expect that Ross Elliott of Homesol would have experience with someone local. Best,
      2 years ago
    • Evelyne Bouchard Thanks, Ben! Those are great suggestions. I'll reach out to Chris & Ross.
      2 years ago
  • Discussion in Ontario
    Mark your calendars and join your colleagues in the Greater Toronto Area for the first Toronto PHPP User Group meeting and social, February 13.
    PHPP users and specialists will provide presentations on two topics of interest for an open discussion. Pizza will be served.
    Meetings will normally...
    see more Mark your calendars and join your colleagues in the Greater Toronto Area for the first Toronto PHPP User Group meeting and social, February 13.
    PHPP users and specialists will provide presentations on two topics of interest for an open discussion. Pizza will be served.
    Meetings will normally take place from 6:00 pm to 8:00 pm on the second Wednesday of the month – except for February (because of Valentine’s Day).
    Tuesday, February 13
    Wednesday, March 14
    Wednesday, April 11
    Location: Ryerson University, Architecture Building 325 Church St., Room ARC 206.

    All Certified Passive House Designers and Consultants in the region are welcome, as are professional architects and engineers who are working on Passive House projects.

    Register at: ow.ly/vIf530i1qXR
    Questions? Email Germán Vaisman at germanvaisman@gmail.com
  • Ellen Abramczyk posted a discussion in Ontario
    I have a potential Passive House client looking to build in the Spring of 2018. I have, to date, not found a builder in this area who has the Passive House Builder training or is interested in acquiring it. The house is to be built in Cramahe Township. If anyone can suggest a builder for me... see more I have a potential Passive House client looking to build in the Spring of 2018. I have, to date, not found a builder in this area who has the Passive House Builder training or is interested in acquiring it. The house is to be built in Cramahe Township. If anyone can suggest a builder for me and my client to consider I would appreciate the introduction.
    • Greg Leskien Hi Ellen,

      A couple of builders come to mind that you may want to reach out to:

      Jen Feign and Chris Magwood - Endeavour Centre (Peterborough)
      endeavourcentre.org/

      Melinda or Mick - The...
      see more Hi Ellen,

      A couple of builders come to mind that you may want to reach out to:

      Jen Feign and Chris Magwood - Endeavour Centre (Peterborough)
      endeavourcentre.org/

      Melinda or Mick - The Fourth Pig
      https://www.fourthpig.org/

      Green Giant Design Build
      greengiantdesignbuild.ca/home/

      Good luck with your search.

      Sincerely,

      Greg
      4 years ago
    • ZBen Polley Hello Ellen. I and two of our crew are newly certified PH builders. And by virtue of my having grown up in eastern ON, we once serviced areas just east of Cramahe, however our teams now operate... see more Hello Ellen. I and two of our crew are newly certified PH builders. And by virtue of my having grown up in eastern ON, we once serviced areas just east of Cramahe, however our teams now operate only in Guelph, KW, Golden Triangle, Grey Cty, Simcoe Cty and Muskoka. As Greg, noted perhaps the others have the capability and service range that you are seeking.
      3 years ago
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