Deep Energy Retrofit - Phased

This home has been updating their energy performance over the past several years.

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Building photo: After Front

Calgary, Alberta

This home's first phase was an above grade envelope update which included 6" EIFS and new Lux windows and doors.  Two years later we installed a heatpump hot water tank and central heatpump for forced air heating.  There are plans to add Solar PV soon. 

BEFORE

AFTER

ENERGY 
CONSUMPTION
BEFORE
172
GJ/year
AFTER
55
GJ/year
COMFORT
BEFORE
Cold and draughty
AFTER
Excellent
BUILDING CONDITION
BEFORE
Needed maintenance
AFTER
Complete exterior renovation
RENEWABLES
BEFORE
N/A
AFTER
N/A
WAll Insulation
BEFORE
R8
AFTER
R32
Ceiling Insulation
BEFORE
R40
AFTER
R40
Foundation Insulation
BEFORE
N/A
AFTER
N/A
Windows
BEFORE
Original
AFTER
Lux triple panes
Ventilation
BEFORE
N/A
AFTER
HRV
Heating
BEFORE
Old gas furnace
AFTER
Daikin Heatpump
Cooling
BEFORE
N/A
AFTER
Daikin Heatpump
Hot Water
BEFORE
Naturally Aspirated Gas
AFTER
AO Smith heatpump
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