Ottawa, June 30 -- Canada is relaunching its greener homes retrofit programme for low- and middle-income households in four provinces, nearly two years after the previous initiative ran out of funding, reported CBC News on Monday.

Under the programme, eligible homeowners and renters will receive no-cost energy-efficiency upgrades, including heat pumps, insulation, air sealing and other retrofits designed to reduce monthly utility bills while improving home energy performance.

Unlike the previous Canada Greener Homes Grant, which primarily served homeowners, the new initiative also extends eligibility to income-qualified tenants.

Officials estimate participating households could save between $300 and $1,700 annually on energy costs whil...