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The Heights – 388 Skeena – Vancouver BC Canada’s Largest Passive House
CORNERSTONE architecture
1
The Heights – 388 Skeena – Vancouver BC Canada’s Largest Passive House
CORNERSTONE architecture
2
The Heights – 388 Skeena – Vancouver BC Design PH – Sketch-Up Model
CORNERSTONE architecture
3
The Heights – 388 Skeena – Vancouver BC Passive House Standards (PHPP 9.6a = classic / PE) Requirements
Passive House
388 Skeena
• Heating Demand
15 kWh/(m²·a)
8 kWh/(m²·a)
• Heating Load (or cooling)
10 W/m²
9 W/m²
• Primary Energy (PE)
120 kWh/(m²·a) 119 kWh/(m²·a)
• Primary Energy Renewable (PER)
60 kWh/(m²·a)
86 kWh/(m²·a)
• Air Tightness
0.6 ac/h
0.6 ac/h
• Thermal Bridge Free
yes
yes
CORNERSTONE architecture
4
The Heights – 388 Skeena – Vancouver BC Ventilation • Heat Recovery ventilation is essential with efficiencies in the order of 80-90% • We looked at 4 ideas • Central system • Distributed system by unit • Distributed system by room
• Semi-central system Semi Central Ventilation System • Zehnder ComfoAir 550 • 90% heat recovery • Located off the common corridor to facilitate maintenance
CORNERSTONE architecture
5
The Heights – 388 Skeena – Vancouver BC Annual Energy Balance Non-Useful Gains Solar Gains (windows gain on the south)
External Wall Roof/Ceiling Floor Slab
Internal Heat Gains (About 50% of the total required heating energy)
Windows Thermal Bridges
Heating Demand (supplied by heating system)
Ventilation Losses
CORNERSTONE architecture
Gains 6
Dik Ty Housing – BC Housing - Smithers BC Seniors and Challenged Adults Housing
CORNERSTONE architecture
7
Dik Ty Housing – BC Housing - Smithers BC • Simple & efficient plan (good Area / Volume ratio) • Minimal external corners & protrusions of the envelope • High glazing to South, lower glazing to North, East & West • Suites to South, services & services spaces to North
CORNERSTONE architecture
8
Dik Ty Housing – BC Housing - Smithers BC Basic Specifications • Walls:
U 0.104 (~ R55)
• Roof:
U 0.075 (~ R76)
• Floor:
U 0.171 (~ R33)
• Windows:
Ug 0.70 W/(m2 K) (~ R8)
• Thermal Bridge Free Detailing
• Fresh Air with high efficiency Heat Recovery (93%) • Air Tightness .6 Ach/hr @50 Pa
CORNERSTONE architecture
9
Dik Ty Housing – BC Housing - Smithers BC Annual Energy Balance Non-Useful Gains Solar Gains (windows gain on the south)
External Wall
Roof/Ceiling Floor Slab Internal Heat Gains (About 53% of the total required heating energy)
Windows Doors Thermal Bridges
Heating Demand (supplied by heating system)
Ventilation Losses
CORNERSTONE architecture
Gains 10
Dik Ty Housing – BC Housing - Smithers BC Defining Thermal Envelope – Double Wall • 2x6” structural exterior wall c/w batt insulation • 6” EPS Type 2 insulation (taped polymer skin air barrier) • 2x4” service wall c/w batt insulation
CORNERSTONE architecture
11
Dik Ty Housing – BC Housing - Smithers BC Defining Thermal Envelope – Exterior Wall & Perimeter Footings
CORNERSTONE architecture
12
Dik Ty Housing – BC Housing - Smithers BC Defining Thermal Envelope – Slab & Footings
CORNERSTONE architecture
13
Dik Ty Housing – BC Housing - Smithers BC Windows: • Euroline 4700 Series ThermoPlus, tilt & turn • Triple glazed, low-e coatings
• Vinyl Insulated frame • Over-insulated psi install (2” EPS on exterior jamb and head)
CORNERSTONE architecture
14
Dik Ty Housing – BC Housing - Smithers BC Windows: • Over-insulated psi install - 2” EPS on exterior jamb and head (0.010.017W/(mK)
CORNERSTONE architecture
15
Dik Ty Housing – BC Housing - Smithers BC Ventilation Strategy – Plan: • 2x HRV’s per floor – Semi-central system • Each HRV serves 3 or 4 suites
CORNERSTONE architecture
16
Dik Ty Housing – BC Housing - Smithers BC Hot Water Strategy – Sanden CO2 Based Heat Pumps • 1 Heat Pump and Tank per floor • 1 Electric Resistance second storage/back-up tank • Small recirculating loop with 2” insulation
CORNERSTONE architecture
17
Dik Ty Housing – BC Housing - Smithers BC Passive House Standards (PHPP 9.6a = classic / PE) Requirements
Passive Standard
Smithers
• Heating Demand
15 W/sqm
12.93 W/sqm
• Heating Load (or cooling)
10 W/sqm
12.46 W/sqm
• Primary Energy (PE)
120 kWh/sqm
133 kWh/sqm
• Primary Energy Renewable (PER)
60 kWh/sqm
60 kWh/sqm
• Air Tightness
0.6 ac/h
0.6 ac/h
• Thermal Bridges
None
None
CORNERSTONE architecture
18
Just Do It Cornerstone’s Vancouver Region Passive House Projects
And More… Thank you.
CORNERSTONE architecture
19
Make Building Envelopes Great Again
CORNERSTONE architecture
20
CORNERSTONE architecture
1
The Heights – 388 Skeena – Vancouver BC Canada’s Largest Passive House
CORNERSTONE architecture
2
The Heights – 388 Skeena – Vancouver BC Design PH – Sketch-Up Model
CORNERSTONE architecture
3
The Heights – 388 Skeena – Vancouver BC Passive House Standards (PHPP 9.6a = classic / PE) Requirements
Passive House
388 Skeena
• Heating Demand
15 kWh/(m²·a)
8 kWh/(m²·a)
• Heating Load (or cooling)
10 W/m²
9 W/m²
• Primary Energy (PE)
120 kWh/(m²·a) 119 kWh/(m²·a)
• Primary Energy Renewable (PER)
60 kWh/(m²·a)
86 kWh/(m²·a)
• Air Tightness
0.6 ac/h
0.6 ac/h
• Thermal Bridge Free
yes
yes
CORNERSTONE architecture
4
The Heights – 388 Skeena – Vancouver BC Ventilation • Heat Recovery ventilation is essential with efficiencies in the order of 80-90% • We looked at 4 ideas • Central system • Distributed system by unit • Distributed system by room
• Semi-central system Semi Central Ventilation System • Zehnder ComfoAir 550 • 90% heat recovery • Located off the common corridor to facilitate maintenance
CORNERSTONE architecture
5
The Heights – 388 Skeena – Vancouver BC Annual Energy Balance Non-Useful Gains Solar Gains (windows gain on the south)
External Wall Roof/Ceiling Floor Slab
Internal Heat Gains (About 50% of the total required heating energy)
Windows Thermal Bridges
Heating Demand (supplied by heating system)
Ventilation Losses
CORNERSTONE architecture
Gains 6
Dik Ty Housing – BC Housing - Smithers BC Seniors and Challenged Adults Housing
CORNERSTONE architecture
7
Dik Ty Housing – BC Housing - Smithers BC • Simple & efficient plan (good Area / Volume ratio) • Minimal external corners & protrusions of the envelope • High glazing to South, lower glazing to North, East & West • Suites to South, services & services spaces to North
CORNERSTONE architecture
8
Dik Ty Housing – BC Housing - Smithers BC Basic Specifications • Walls:
U 0.104 (~ R55)
• Roof:
U 0.075 (~ R76)
• Floor:
U 0.171 (~ R33)
• Windows:
Ug 0.70 W/(m2 K) (~ R8)
• Thermal Bridge Free Detailing
• Fresh Air with high efficiency Heat Recovery (93%) • Air Tightness .6 Ach/hr @50 Pa
CORNERSTONE architecture
9
Dik Ty Housing – BC Housing - Smithers BC Annual Energy Balance Non-Useful Gains Solar Gains (windows gain on the south)
External Wall
Roof/Ceiling Floor Slab Internal Heat Gains (About 53% of the total required heating energy)
Windows Doors Thermal Bridges
Heating Demand (supplied by heating system)
Ventilation Losses
CORNERSTONE architecture
Gains 10
Dik Ty Housing – BC Housing - Smithers BC Defining Thermal Envelope – Double Wall • 2x6” structural exterior wall c/w batt insulation • 6” EPS Type 2 insulation (taped polymer skin air barrier) • 2x4” service wall c/w batt insulation
CORNERSTONE architecture
11
Dik Ty Housing – BC Housing - Smithers BC Defining Thermal Envelope – Exterior Wall & Perimeter Footings
CORNERSTONE architecture
12
Dik Ty Housing – BC Housing - Smithers BC Defining Thermal Envelope – Slab & Footings
CORNERSTONE architecture
13
Dik Ty Housing – BC Housing - Smithers BC Windows: • Euroline 4700 Series ThermoPlus, tilt & turn • Triple glazed, low-e coatings
• Vinyl Insulated frame • Over-insulated psi install (2” EPS on exterior jamb and head)
CORNERSTONE architecture
14
Dik Ty Housing – BC Housing - Smithers BC Windows: • Over-insulated psi install - 2” EPS on exterior jamb and head (0.010.017W/(mK)
CORNERSTONE architecture
15
Dik Ty Housing – BC Housing - Smithers BC Ventilation Strategy – Plan: • 2x HRV’s per floor – Semi-central system • Each HRV serves 3 or 4 suites
CORNERSTONE architecture
16
Dik Ty Housing – BC Housing - Smithers BC Hot Water Strategy – Sanden CO2 Based Heat Pumps • 1 Heat Pump and Tank per floor • 1 Electric Resistance second storage/back-up tank • Small recirculating loop with 2” insulation
CORNERSTONE architecture
17
Dik Ty Housing – BC Housing - Smithers BC Passive House Standards (PHPP 9.6a = classic / PE) Requirements
Passive Standard
Smithers
• Heating Demand
15 W/sqm
12.93 W/sqm
• Heating Load (or cooling)
10 W/sqm
12.46 W/sqm
• Primary Energy (PE)
120 kWh/sqm
133 kWh/sqm
• Primary Energy Renewable (PER)
60 kWh/sqm
60 kWh/sqm
• Air Tightness
0.6 ac/h
0.6 ac/h
• Thermal Bridges
None
None
CORNERSTONE architecture
18
Just Do It Cornerstone’s Vancouver Region Passive House Projects
And More… Thank you.
CORNERSTONE architecture
19
Make Building Envelopes Great Again
CORNERSTONE architecture
20
