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Illinois

Window Replacement in Cook County

Window work in Cook County is permitted at the county or city level, and that is where two questions get answered that no showroom can answer for you: whether your address needs opening protection, and whether a permit is required for a like-for-like replacement.

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Licensed Illinois installers. No obligation for the call.

Cook County is in the ENERGY STAR Northern zone, so the numbers to look for are a U-factor of 0.22 or lower and solar heat gain 0.17 or higher. Both are printed on the NFRC label on the glass, and both are worth writing down before comparing quotes.

The federal lead rule turns on the year the house was built, not on the county — but the age of a county’s housing tells you how often it comes up. Any home from before 1978 needs a Lead-Safe certified firm for paid work.

The day itself

One opening takes a couple of hours. A house takes days rather than weeks, and the order rarely changes.

  1. A work van with wrapped window units being unloaded 01Units arrive built to your measurements.
  2. Two installers carrying a window unit upright across a lawn 02Carried in, one opening at a time.
  3. An old wooden sash being lifted out of an opening 03The old sash comes out. Dust sheets first.
  4. Hands setting a shim under a new window and checking it with a level 04Shimmed and levelled — a house settles, openings do not stay square.
  5. An installer pressing a new window unit into an opening and fastening it 05Set, fastened, sealed against the weather.
  6. An installer fitting new interior trim around a finished window 06Trim back on, and the room is a room again.
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An installer running sealant along a window frame indoors

Describing the job costs nothing

Nothing is measured or ordered until you say so. Useful on a first call: how many windows, what type they are, and what is wrong with them.

(888) 504-4842
License
Held by the contractor and issued in Illinois. Ask which name it is held under — a trading name and the licensed entity are often not the same.
Lead certification
Required by federal rule for paid work on any home built before 1978. It has a number, and the firm should give it without hesitating.
The call
Describing the job commits you to nothing. Nothing is measured or ordered until you say so.
Coverage
By town, not by region. Cook County and the towns around it.
Map loads when you reach it

Open Cook County, IL in Google Maps

Towns in Cook County

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