SERVING MULTIFAMILY BUILDINGS ACROSS GREATER CHICAGOLAND

Multifamily insulation, air sealing, weatherization, and energy assessment for 3+ unit buildings across Lake, Cook, DuPage, McHenry, and Kane Counties. We are an authorized contractor for ComEd, Nicor Gas, Peoples Gas, and NorthShore Gas utility rebate programs. Headquartered in Crystal Lake, serving the Chicago metro since 2008.

BASED IN CRYSTAL LAKE. SERVING ALL OF CHICAGOLAND.

Every project starts with a no-cost energy assessment. We diagnose where the building is losing energy, design a scope tailored to the building's needs and budget, and handle the full rebate application process from pre-approval to final submission. There are rebates and incentives available throughout our entire service area.

— OUR COVERAGE

Not sure if your building qualifies? You can verify your address through the official Illinois Multifamily Eligibility Tool, or call us at (888) 623-3769 and we will confirm in under a minute.

We serve multi-family buildings across the Chicago metropolitan area with high-performance insulation, air sealing, and energy assessments. As an approved contractor for the four major Illinois utility rebate programs (Nicor Gas, ComEd, Peoples Gas, and NorthShore Gas), we deliver upgrades that are partially or fully funded by your utility, depending on your building's address and program eligibility.

Utility Program Territories

Authorized Across Four Utilities

Most Chicagoland buildings fall within at least one of our authorized utility service territories, often two or more. Rebate eligibility is determined by your specific utility provider, not by city limits.

Natural Gas

Nicor Gas

Northern suburbs, McHenry, Lake, Kane, and northern Cook County.

Electric

ComEd

All of Chicagoland and most of northern Illinois.

Natural Gas

Peoples Gas

City of Chicago service territory.

Natural Gas

NorthShore Gas

Northern suburbs along the Lake Michigan shoreline.

Counties We Serve

Northern Illinois Counties

Cook
DuPage
Lake
McHenry
Kane
Kendall
Will
Winnebago
Boone
+ More
Cities & Communities

A Sampling of Where We Work

Chicago + Inner Suburbs

Chicago Evanston Skokie Oak Park Cicero Berwyn Forest Park River Forest

North & Northwest Suburbs

Highland Park Glenview Northbrook Wilmette Niles Park Ridge Des Plaines Mount Prospect Arlington Heights Palatine Schaumburg Hoffman Estates Buffalo Grove Wheeling Barrington Lake Zurich

West Suburbs

Naperville Aurora Wheaton Elmhurst Lombard Downers Grove Glen Ellyn Carol Stream Hanover Park Elgin

McHenry & Lake County

Crystal Lake McHenry Algonquin Lake in the Hills Cary Huntley Fox River Grove Woodstock Waukegan Mundelein Libertyville Vernon Hills

South & Southwest

Joliet Oak Lawn Tinley Park Orland Park Rockford

And many more communities throughout Chicagoland and northern Illinois. Check the official Illinois Multifamily Eligibility Tool or call us to confirm your building.

Not Sure You Qualify?

We'll Confirm Eligibility for You

Most multifamily buildings across Chicagoland and northern Illinois qualify for at least one of the utility-funded programs we work with. Tell us your address and we'll verify your eligibility, available incentives, and program fit — at no cost.

Chicago Cook County DuPage Lake Will Kane McHenry Northern IL