What we do
Multifamily Building Services
We start with the building, not a product. The assessment decides which of these belong in the scope, in what order, and which ones a utility program may fund at your address.

Core scopes
The work an owner or manager usually asks for by name.
- 01Multifamily Energy Services for Buildings With 3 or More UnitsMultifamily energy services for Chicagoland buildings with 3 or more units: assessment, air sealing, insulation, ducts, and the utility paperwork we file.
- 02Multifamily Energy Assessment for 3+ Unit BuildingsWhat a multifamily energy assessment measures, what residents experience, and what the written report contains. For 3+ unit buildings in northern Illinois.
- 03Multifamily Air Sealing for 3+ Unit Buildings in ChicagolandMultifamily air sealing for 3+ unit Chicagoland buildings. Property-specific scopes, occupied-building coordination, and utility paperwork filed.
- 04Multifamily Insulation Services for 3+ Unit Buildings in Northern IllinoisMultifamily insulation for 3+ unit buildings in Chicagoland. Material matched area by area, work planned around occupied units, paperwork filed.
- 05Multifamily Weatherization for Buildings With 3 or More UnitsInsulation, air sealing, and duct sealing as one coordinated scope for 3+ unit buildings in northern Illinois. We handle the utility program paperwork.
- 06Multifamily Heat Pumps for Chicagoland BuildingsCold-climate heat pumps for 3+ unit buildings across Chicagoland. What we inspect before sizing, what tenants experience during install, and when to wait.
Materials and supporting measures
What the assessment specifies once the building has been reviewed. Material choice follows the assembly, the moisture conditions, and the access, not a preference.
- Cellulose Insulation for Multifamily BuildingsDense-pack cellulose insulation for 3+ unit Chicagoland buildings. Blown into closed walls, documented by area, with utility paperwork filed.
- Fiberglass Insulation for Multifamily BuildingsFiberglass insulation for 3+ unit multifamily buildings in Chicagoland. Batts and blown-in attic work, air sealed first and installed to Grade I.
- Closed Cell Spray Foam for Multifamily BuildingsClosed cell spray foam for Illinois multifamily buildings: rim joists, crawl spaces, and below-grade walls, with project documentation filed.
- Open Cell Spray Foam for Multifamily BuildingsOpen cell spray foam for Chicagoland multifamily buildings: what the crew sprays, what tenants experience, and when it is the wrong material.
- Attic and Bathroom Ventilation for Multifamily BuildingsAttic baffles, soffit airflow, and bathroom exhaust routing for multifamily properties. Building-specific review for clean, intentional airflow paths.
- Duct Testing and Sealing for Multifamily BuildingsDuct testing and sealing for northern Illinois multifamily buildings. Property-specific system scopes, documented work, and applicable paperwork filed.
- Multifamily LED LightingCommon-area LED lighting upgrades for Illinois multifamily buildings: what we inventory, what gets installed, and how the ComEd paperwork actually works.
Next step
Start with the building, not the product
The assessment documents the conditions found, then the scope follows from that property-specific review.
