Let Grennan Construction help cut your energy costs while increasing both your curbside appeal and the value of your home. Some companies might try to sell you only one brand of windows. At Grennan, we understand each home is unique. We offer many quality window brands and styles to choose from. Our experts have over 12 years of experience helping home owners find the perfect solution for their property. All of our window installation projects are backed by a full manufacturer’s warranty.

Once the planning process is complete, our team gets to work, maintaining a safe and tidy job site during the course of the installation. We treat each project as if it was our own home. When installing new windows, it is important you work with a firm that has the experience to get the job done right. From planning to clean-up, let the Grennan team take care of your next window installation project!


Call us today at 1-248-462-0224 or click here to request a quote.