How Long Does It Take to Replace House Windows?

Sep 10, 2026

What You Can Expect on Installation Day 

On installation day, we do our best to stay out of the way of the homeowners. While full home window replacements will require us to be throughout the house, we want to make sure we’re not overly disruptive. When we schedule the installation, we’ll make sure to discuss the replacement timeline so you know if the project will take more than one or two days.

The Main Factors that Determine How Long Window Replacements Take

The number one factor is the number of windows that are being replaced. A small single-story home with less than ten windows can typically be completed in less than a single workday. A large multi-story home will likely take between two and three days. For homes that are getting specialized or custom windows, the manufacturing process may take longer. For homes that have difficult-to-reach windows, the process may take longer simply because of ensuring the safety of our crew and your home. Other problems can arise, like unexpected weather conditions or finding severely damaged window frames, but we’ll quickly find new solutions to get the job completed as quickly as possible. 

What Does A Full Window Replacement Project Entail?

What Does A Full Window Replacement Project Entail?

Overall, a window replacement job is fairly straightforward. We’ll assess the home to determine whether we can install replacement windows or if new windows will be required. For most homes, window replacements are the easiest and make the most sense both logistically and financially. Once we work with the homeowner to determine what windows they want installed, we’ll order the windows and contact them when they’re ready. The process is very hands-off for homeowners. Other than our initial meetings and some very basic home preparations, they won’t even have to think about it. We ask homeowners to simply clear the space around each window, making sure no furniture or other belongings are blocking the way. Once the installation day is scheduled, we’ll get everything done quickly and efficiently. 

Breaking Down the Window Replacement Timeline

When McCloud Windows does a home assessment, we’ll schedule a home visit and evaluate your old windows. Before getting to ordering your window replacement or talking about installation, we need to understand your goals. Some homeowners want new windows to reduce noise pollution, while others are looking for better insulation during the extreme temperature seasons. Whatever your goals are, we can discuss what options we believe are best to meet them. Once you’ve made window replacement decisions, we’ll order the replacement windows. This can take one to two months depending on the type of glass, window frame materials, and the time to ship them. While the installation process happens quickly, the longest part is waiting for the custom window frames to be manufactured. All of this is hands-off for the homeowners, and we’ll schedule an installation time once we have a concrete idea of when the replacement windows will be ready. At this point, we’ll contact you with updates and schedule the installation. Depending on the season, this could be as little as a few days away, up to a couple of weeks. We want to ensure your windows are installed as quickly as possible, so we’ll get the installation scheduled right after the window replacements are manufactured and have arrived. Installation happens in 1-3 days, depending on the size of the house. Single-story home installations with a handful of windows will likely be done within a single day, including everything from prepping the home to doing a final walkthrough. When our crew completes a job, we do a final walkthrough so the homeowner can inspect the replacement windows and ask us questions. 

Does It Take A Long Time to Replace Windows on A House

The process of getting your windows replaced is much faster than most people assume. Unlike many home renovations, the process is fairly straightforward. For most homes, the replacement project will take less than two full days. Once we have your new windows, we’ll schedule the installation. On installation day, our crew will arrive and set up our tools and prepare each room for the installation. We take particular care to ensure we don’t damage or create messes during the process. Once set up, we’ll remove each existing window. At this point, we’ll make sure each frame fits properly and begin the installation of each window replacement. The crew will be able to complete each window replacement relatively quickly, meaning the installation of the windows, sealing, and trim work will all happen within two hours. The overall time will depend on how many home windows you’re having replaced. A small home with 10 windows will be done in less than a day, while a home that’s having us replace windows for a multi-story home may take up to 3 days. Overall, we’ll be able to complete most window replacement projects in two days! Our crew will perform a cleanup and final inspection once the window replacement stage is completed. We want to make sure that every customer is informed and happy throughout the entire process, so our crew will walk you through each window to ensure you’re beyond satisfied. 

Does It Take A Long Time to Replace Windows on A House

Different Types of Window Frames and Window Replacements

Installing new windows in existing frames is the fastest type of window replacement. Once we have the custom windows, it takes less than two hours per window. We’ll remove the existing window while keeping the existing frame in place. The new window will be installed in the existing frame relatively quickly. A window replacement is best for homes that haven’t experienced rot, water damage, or decay over many years. This is a more budget-friendly approach that works for many homes that are in good shape and aren’t undergoing major renovations to exterior walls. More intensive window jobs take a bit longer. This may include jobs where the window frame needs work or replacement. A new window is done when the entire window and frame are torn out. This is a more invasive project that takes longer and is typically done when major construction is happening, or the homeowners want to increase the size of the existing window. 

Get A Free Consultation and Quote from McCloud Windows to Replace Your Windows

Anytime we take on a job, we begin with a free consultation where we come to your home and do a thorough assessment. This includes things like the state of your window frames, where each window is located, the type of window, and how many windows you’re having replaced. From that point, we’ll get into the fine details of what your window goals are and discuss different options, including budget. The process is very straightforward and, other than answering some simple questions, doesn’t require a lot from the homeowners. To get a quote or schedule an assessment, contact McCloud Windows today.