Premier Window Installation in Oakland County

Your View to Quality and Excellence

Transform Your Home with Expert Window Installation from Grennan Construction

Welcome to Grennan Construction, Oakland County’s leading window installation experts. With decades of experience, our skilled professionals are dedicated to providing top-notch window solutions that enhance the beauty, efficiency, and value of your home.

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Discover the Grennan Difference in Oakland County

Unmatched Quality: At Grennan Construction, we believe in the power of quality. That's why we partner with the industry's best window manufacturers to bring you products that are not only aesthetically pleasing but also performance-driven.

Tailored Solutions: Your home is unique, and your windows should be too. Our comprehensive selection of styles, from classic double-hung windows to contemporary picture windows, ensures personalized solutions that fit your taste, home architecture, and budget.

Energy Efficiency Mastery: Say goodbye to drafty windows and high energy bills. Our installations focus on energy efficiency, leveraging cutting-edge technology and materials that keep your home comfortable year-round while saving on energy costs.

Seamless Installation: Grennan Construction’s team of certified installers ensure a smooth, hassle-free experience. We respect your time and property, providing fast yet meticulous installation with minimal disruption to your daily life.

Get Your No-Cost Window Consultation!

Don't miss out on windows that wow! Secure your no-cost, no-obligation window consultation now. Grennan Construction’s experts are ready to enhance your Oakland County home!

Our Window Installation Services

  • Free Consultation: Every project begins with a thorough understanding of your needs. We provide a no-obligation, free consultation to discuss your window installation requirements.
  • Custom Window Selection: Choose from a vast array of window types, including bay, bow, casement, sliding, garden windows, and more. Our experts will guide you through the selection process, ensuring you get the perfect match for your home.
  • Professional Measurement: Precision is key to perfect window installation. Our team performs detailed measurements to guarantee a flawless fit.
  • Expert Installation: Leveraging state-of-the-art tools and techniques, our installation process is designed to be efficient, clean, and exceed industry standards.
  • Old Window Removal: We take care of the old window removal, ensuring that the process is environmentally friendly and your property is left clean.
  • Post-Installation Support: Our service doesn't end at installation. We stand by our work with robust post-installation support and warranties that give you peace of mind.
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Window Installation

Start Your Home Transformation!

Begin your journey to a more beautiful, energy-efficient home today. Schedule your free window installation estimate with Grennan Construction and let the light in!

Why Choose Grennan Construction for Your Window Installation?

Local Expertise

With deep roots in Oakland County, we understand the local climate and architectural nuances, ensuring that your windows are perfect for your home.

Commitment to Satisfaction

Our mission is to provide an exceptional experience from start to finish. We're not happy unless you're delighted with the results.

Licensed and Insured

We are fully licensed and insured, so you can trust that your project is in the hands of professionals.

Reputation for Excellence

Our extensive list of satisfied customers in Oakland County speaks to our commitment to excellence in every project we undertake.

Financing Also Available


Service Finance is one of the most reputable lenders in the home improvement industry and we’re proud to be partnering with them. Applying for financial assistance has never been easier — get your application started today!

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Ready to Enhance Your Home?

Grennan Construction is here to turn your vision into reality. Contact us today at [phone number] or fill out our online form to schedule your free consultation. Our friendly team is ready to answer any questions and guide you through the seamless journey of window installation.

Proudly serving all of Oakland County, Michigan – from the charming streets of Rochester to the serene landscapes of Novi – let us show you why Grennan Construction is the clear choice for your window installation needs.

Check out our latest articles that feature the latest trends as well as homeowner tips and tricks that will enhance your largest financial investment.

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Frequently Asked Questions (FAQs)

What types of windows can Grennan Construction install?

Grennan Construction offers a wide range of window types to suit any style and functionality. Our selection includes double-hung, casement, bay, bow, sliding, garden windows, and many more. Each type comes with various customizable options to match your home’s design and your personal preferences.

How long does window installation take?

The duration of the installation process can vary depending on the number and type of windows you're having installed. Typically, a standard window installation can be completed within one day. During your consultation, we’ll provide a more accurate timeline based on the specifics of your project.

How long does window installation take?

The duration of the installation process can vary depending on the number and type of windows you're having installed. Typically, a standard window installation can be completed within one day. During your consultation, we’ll provide a more accurate timeline based on the specifics of your project.

Is Grennan Construction licensed and insured for window installation?

Yes, Grennan Construction is fully licensed and insured to provide window installation services. Our credentials reflect our commitment to professionalism and the peace of mind of our clients.

Can new windows really save me money on energy bills?

Absolutely! Modern windows are designed with energy efficiency in mind. They feature advanced technologies such as low-E coatings and inert gas fills that can significantly reduce heat transfer, helping to keep your home warmer in the winter and cooler in the summer. This improved energy efficiency can lead to noticeable savings on your utility bills.

How do I prepare my home for window installation?

We recommend clearing the work area of any furniture and valuables to prevent any accidental damage. Also, please deactivate any security sensors on the windows, and if possible, remove window treatments such as blinds or curtains. Our team will handle the rest, ensuring a smooth installation process.

What areas in Oakland County do you serve?

Grennan Construction is proud to serve all of Oakland County, including but not limited to Rochester, Novi, Farmington Hills, Troy, and Bloomfield. If you're unsure whether you're within our service area, please give us a call, and we'll be happy to assist you.

How do I get started with Grennan Construction?

Getting started is easy! Simply give us a call at (248) 462-0224 or fill out our online form to schedule your free, no-obligation consultation. Our team will guide you through every step of the process, from selection to installation.

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We proudly serve Auburn Hills, Berkley, Birmingham, Bloomfield Hills, Clawson, Clarkston, Commerce, Davisburg, Farmington Hills, Ferndale, Franklin, Hazel Park, Highland, Holly, Huntington Woods, Lakeville, Leonard, Keego Harbor, Lake Angelus, Metro Detroit, Milford, Madison Heights, New Hudson, Novi, Oak Park, Oakland, Oakland County, Orchard Lake Village, Pleasant Ridge, Pontiac, Rochester, Rochester Hills, Southeast Michigan, Sylvan Lake, South Lyon, Southfield, Union Lake, Walled Lake, Troy, Villages of Franklin, Lake Orion, Ortonville, Oxford, Waterford, White Lake, West Bloomfield, & Wixom.

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