Insulation & Air Sealing

Save with energy-efficient insulation

Little boy closing the blinds to save energy

Drafty rooms and rising heating costs are all signs you may have energy escaping. Insulation, combined with air sealing, is an effective way to improve home comfort, reduce costs and lessen your environmental impact. Learn why it’s a smart investment and get rebates to upgrade.

How-to videos

How to install foam gaskets.

How to avoid heat loss from pot lights.

How does a blower door test work?

How to spot air leaks in your basement.

FREE energy upgrades for homes in need

If your household income is eligible, we’ll install new insulation, draft proofing and a smart thermostat—at no cost to you.

See if you qualify

More offers for your home

Home Efficiency Rebate

Planning a home renovation? Get up to $5,000 back.

We offer rebates to help offset the cost of insulation, air sealing, furnaces, boilers, water heaters, new windows and doors.

See rebates

Smart Thermostat Program

Save $75 instantly on a smart thermostat

Before you buy, get a discount code for eligible Google Nest, ecobee, Sensi and Honeywell models. Redeem online or in store.

Get discount code