Name
Richard Price
01/08/2021 20:24
Building company
Construction Le Tournesol
Builder's name
Richard Price
Architecture firm
Alias Architecture
Architect's name
Lucie Langlois
Passive building consultant
Lucie Langlois & Richard Price
Date when the project began or is expected to begin (enter "01" for the day if you only know the month and year)
Type of structure
wood-frame
Town or city
Montreal
State or province
Quebec
Original construction year
Year when passive building work was or will be completed
Lot type
urban
Building use type
--
Brief description of the retrofit project
Maison Ozalée
Type of retrofit
whole-building-retrofit
Why did you choose to do a whole, partial, or phased retrofit?
What were the main goals of the retrofit?
IPHA certification and LEED platinum
Was this a registered historic building?
no
Did you use historic tax credits?
no
Total area of the structure (in square feet)
2850
Passive house certified?
yes-by-other-organization
If certified by another group, please list the organization:
How many months did the renovation take? If ongoing, how many months is the renovation expected to take?
12
Were people living in the building during renovation?
yes
Air tightness (ACH)
.4
Energy use intensity (EUI)
Annual electricity usage (kWh)
Annual electricity costs (USD)
Annual heat usage (kBtu)
Annual heat costs (USD)
650
Heat source(s)
electric
Annual hot water usage (kWh)
Annual hot water cost (USD)
Hot water system
0
Air tightness (ACH)
Energy use intensity (EUI)
Annual electricity usage (kWh)
Annual electricity costs (USD)
Annual heat usage (kBtu)
Annual heat costs (USD)
Heat source(s)
heat-pump
Annual hot water usage (kWh)
Annual hot water cost (USD)
Hot water system
0
Is the retrofit now using renewable energy sources?
no
If using renewable energy, please describe the type, kWh generation and any other system specs
Were/are any passive house certified materials used?
0
Please describe your reasoning in using certified or non-certified materials
Door type before renovation
Door type after renovation
Please describe any methods you're using for controlling thermal bridging, water, vapor and air movement related to doors
U-value of doors before renovation
U-value of doors after renovation
Window type before renovation
Standard Double Pane no gas
Window type after renovation
Optiwin Resista
Please describe any methods you're using for controlling thermal bridging, water, vapor and air movement related to windows
U-value of windows before renovation
U-value of windows after renovation
Materials in the wall assembly before renovation (listed from outside to inside)
Materials in the wall assembly after renovation (listed from outside to inside)
Please describe methods for controlling thermal bridging, water, vapor and air movement related to the wall assembly, e.g. materials used and construction
R-value of wall assemblies before renovation
.648
R-value of wall assemblies after renovation
.088
What rough percentage (0 - 100) of the wall assemblies have thermal bridges after renovation?
Materials in the roof assemblies before renovation
Materials in the roof assembly after renovation
Please describe methods for controlling thermal bridging, water, vapor and air movement related to the roof assembly, e.g., materials and construction
R-value of roof assemblies before renovation
R-value of roof assemblies after renovation
.052
Please upload up to four images of the structure and/or retrofit
Ventilation strategy (type and number of ERV or HRV) before renovation
none
Ventilation strategy (type and number of ERV or HRV) after renovation
1 Paul Novus HRV 300
If any make-up air systems were used, please describe
Please describe any thermal bridging issues before renovation
none
Please describe strategies to mitigate thermal bridging after the renovation
Option 1
Please describe any moisture issues before renovation
6
Please describe the moisture control strategy after renovation
.4
On a scale of 1 to 10, what was the perceived comfort of the structure before renovation?
On a scale of 1 to 10, what is the perceived comfort of the structure after renovation?
What was the total cost, or estimated cost, of design for the retrofit project (in dollars)?
547000
Total construction cost per square foot, or estimated cost, for the project (in dollars)
192
Roughly what percentage (0 - 100) of the project was financed?
What types of funding did you use?
0
Total door cost (in dollars)
Total windows cost (in dollars)
Total wall assembly cost (in dollars)
Total roofing cost (in dollars)
Total ventilation cost (in dollars)
Total foundation cost (in dollars)
What is the expected life of this retrofit (in years)?
100
If you calculated it, what was the energy return on investment, i.e. the EROI (in dollars)?
On a scale of 1 to 10, how much did you take the EROI into consideration before starting the project (if it was calculated)?
Please upload up to four images of the structure and/or retrofit
What would you say was the most successful part of the process?
Rate the following in terms of difficulty...
Section 1: Contact
The first section is just to get your contact info...
Working with your builder and/or architect
Procuring materials
Technical challenges
Local regulations and rules
Financing
What do you wish you knew before starting the project?
If you do another retrofit, what would you do differently?
Completely new walls
Any additional notes or comments
Gray water heat recovery, Geothermal ground loop