Westfield Gas + Electric (WG+E) is making it easier and more affordable for local homeowners to weatherize their homes with an enhanced Insulation + Weatherization Rebate. Customers who complete qualifying insulation, air sealing, and blower door test work can now receive an on-bill credit covering 50% of costs, up to $3,000. Triple the rebate is available for a limited time, running September 1, 2026, through December 31, 2026.