Consumers Energy:
Helping Neighbors Program (Income-qualified) Free
877-448-9433 or consumershelpingneighbors.com
Residential Rebates: https://www.consumersenergy.com/residential/save-money-and-energy/rebates
Home Energy Analysis: (Homeowners and Renters, Not Income-qualified)
https://www.consumersenergy.com/residential/save-money-and-energy/assessments
DTE:
Home Energy Consultation: 866-796-0512 or www.dteenergy.com
Energy Assessment Rebate Program: 866-796-0512 or www.dteenergy.com