In Canada, a residential house can enjoy $500.00 rebates in the Federal ecoENERGY program administered by Natural Resources Canada; in Ontario, the Provincial governmental is matching the Federal ecoENERGY Program, giving additional $500.00 rebates to a home owner. Please browse

http://www.oee.nrcan.gc.ca/residential/personal/retrofit-homes/retrofit-qualify-grant.cfm?attr=4#eligible

for details. Municipalities and local environmental organizations may have additional incentatives. Ask your contractor for more information.