Should You Repair or Replace Your Windows? The Answer Isn't Always Clear

It’s a warm spring day, and you want to open the windows to get some fresh air. Sadly, you try, and the window won’t budge. That’s when you notice the window appears to sit crooked in the frame and the double panes have condensation inside. If you’re a homeowner with these issues, it’s time to decide between window repair vs. replacement.

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The choice isn’t always obvious, and that’s where this article can help. Investing in replacement windows might initially seem like the smarter long-term move, but a strategic window repair might save money and preserve your home’s charm.

When Is It More Cost-Effective to Repair Your Windows?

Sometimes a full window replacement isn’t necessary. If your windows are structurally sound and the problems are minor, a professional repair may be the best solution. Repairs are more cost-effective in the following situations:

• Opening and closing. A window that sticks and is hard to open or one that won’t stay open can usually be repaired without replacing the entire unit.

• Single cracked window pane. A single crack in a window pane is an easy fix. A professional will measure the new glass and replace the pane without compromising the rest of the window.

• Damage to exterior casing. Peeling paint on the exterior casing of the window or a small patch of wood rot is typically simple to replace. Remove the damaged section of wood and apply a wood hardener. Fill the area with an epoxy wood filler, and once everything dries, sand it and stain it to match the rest of the window frame.

• Damaged weather stripping. If you feel a draft around your window, it may be causing your HVAC system to work harder and increasing energy bills. Replacing weather stripping is quick, inexpensive and the best way to boost efficiency without replacing the entire window.

• Failed seal. Multipaned windows are prone to fogging over as they age. If you notice fogging on a single insulation glass unit, you may be able to replace only the insulated glass instead of the entire window.

When Is It More Cost-Effective to Replace Them?

If you’re searching for more energy-efficient windows, you may want to invest more money in a replacement. Replacing your windows may also be the best choice if you notice any of the following:

• High energy bills. Old drafty windows can impact the efficiency of heating and cooling systems. Upgrading to new modern-pane windows with better insulation properties can help lower your energy bills.

• Widespread condensation. Moisture trapped between the majority of the window panes indicates broken seals and typically means your window has lost its insulating value. A replacement is usually the most reliable fix.

• Severe rot or structural damage. Rotting frames can sometimes be hard to repair. If the damage is too much for a simple repair, a replacement may be a better choice.

• Safety concerns. Broken locks or shattered glass pose a safety risk. Installing a new window provides peace of mind.

• Increase your home value. New windows offer an excellent return on investment if you’re remodeling your home to sell. New windows can increase curb appeal and your home’s energy efficiency rating.

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How Do You Decide Whether to Repair or Replace?

When deciding between repairing and replacing windows, cost is often one of the main factors. For replacement, the actual cost varies depending on whether you choose single-pane windows or triple-pane windows. Other factors can include what the windows are made of and the size. Typically, window repair varies between $175 and $600 (CAD 239 and CAD 820) per window. Alternately, replacing windows can range between $450 and $1,500 (CAD 615 and CAD 2049).

Answering the following questions can help you decide between window repair vs. replacement.

• How old are your windows? The average lifespan of aluminum home windows is between 15 and 20 years. If your windows are older than that, a replacement can help improve your home’s energy efficiency.

• Are your window problems structural or cosmetic? Assess your home windows and determine whether the problems are cosmetic or require extensive repairs.

• What is your window budget? Repairs are cheaper; however, replacing old windows may pay off more in the future. Be realistic about how much money you can spend and go from there.

• Are you looking to increase your home value? If you plan on selling your home within the next few years, new windows can be a major selling point. The return on investment is typically greater than the initial cost.

All CAD conversions are based on the exchange rate on the date of publication.