Month: June 2026

Energy Efficient Windows in Chicagoland: 2026 Buyer’s Guide

Jun 10, 2026

Most of the “energy-efficient windows” sales pitches we see in Chicagoland are deliberately vague. The numbers that actually matter never make it into the brochure, and the salesperson hopes you’ll sign before you ask. We’d rather show you the same numbers we use when specifying a window for my own clients and explain how to read them. The window industry

Sliding Glass Patio Doors in Chicagoland: Energy, Security and Style Compared

Jun 08, 2026

A patio door is the largest piece of glass in most Chicagoland homes. It is also one of the most-used doors in the house, especially for homes with patios, decks, or backyard entertaining areas. So the wrong choice doesn’t just affect your energy bill. It affects how the back of your house looks every day, how secure it feels, and

SEE WHAT OUR CUSTOMERS HAVE TO SAY

I am very happy with the new windows McCann installed for us. They were able to install them quickly and did a very thorough job. Mark and Angel did a great job! I would highly recommend McCann to anyone looking to replace their windows. Thank you McCann!

Miki

I can only say good things about the people I dealt with with McCann, from Kevin, and Jim, and all the installers. They did a great job, their customer service was excellent, they were very clean, and I am as happy as can be. They were professional, and a pleasure to do business with.

Ande F

Just nice people all around. They know their stuff, have several quality options to choose from (less to more expensive), & didn’t pressure sell. Easy install, quality workmanship. Super satisfied with our experience.

Patricia S

Guildmaster award for service excellence

Pella Platinum Elite Certified Contractor badge featuring silver and black design with

Better Business Beureau A plus accredited business

McCann Window & Exteriors

3375 Commercial Ave.
Northbrook, IL 60062
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847-562-1212