Chicago winters can be brutal, with subzero temperatures, high winds, and plenty of snow. To keep your Marvin Windows performing at their best, it’s important to take some proactive steps. Proper care and maintenance will not only extend their lifespan but also ensure energy efficiency, keeping your home warm and your heating bills in check.

Here’s what you need to do to protect and maintain your Marvin Windows during winter:

1. Inspect and Seal Any Drafts

Before the deep freeze sets in, check for any air leaks around your windows. Even high-quality windows like Marvin can develop small gaps over time due to natural settling or caulking wear.

✅ How to Check for Drafts:

  • On a windy day, hold a lit candle or an incense stick near the window frame. If the flame flickers or the smoke moves, there’s a draft.
  • Run your hand around the edges of the window to feel for cold air coming in.

✅ How to Fix It:

  • Apply fresh weatherstripping around the edges of operable windows.
  • Use caulk to seal any small cracks around the exterior trim.
  • If you have older caulking, remove and replace it with a high-quality, weather-resistant sealant.

2. Clean and Protect the Glass

Chicago winters bring snow, ice, and road salt, which can leave residues on your window glass. Regular cleaning helps maintain visibility and prevents buildup.

✅ Best Cleaning Method:

  • Use a mixture of warm water and mild dish soap to clean the glass.
  • Avoid ammonia-based cleaners, which can cause streaking and damage window coatings.
  • Dry with a microfiber cloth or a squeegee to prevent water spots.

✅ Bonus Tip:

  • For extra protection, apply a glass protectant spray to help repel water, ice, and dirt.

3. Prevent Ice Buildup and Condensation

Condensation and ice on the inside of your windows can be a sign of high indoor humidity or poor air circulation.

✅ Reduce Indoor Humidity:

  • Keep your home’s humidity levels between 30-50% using a dehumidifier if necessary.
  • Run exhaust fans when cooking or showering to vent excess moisture.
  • Keep blinds or curtains open during the day to allow air circulation around the windows.

✅ Prevent Ice Formation:

  • If ice builds up on the outside, avoid using sharp tools to scrape it off, as this can damage the glass or frame. Instead, try a warm damp cloth or a safe de-icing spray.

4. Maintain Window Frames and Hardware

The cold can cause materials to contract, so it’s important to check that everything is in good working order.

✅ For Wood Frames:

  • Inspect for cracks or peeling paint, and touch up with a weatherproof sealant if needed.
  • Avoid excess moisture to prevent warping or swelling.

✅ For Fiberglass or Vinyl Frames:

  • Wipe them down with a damp cloth to remove dirt and debris.
  • Check for any cracks or damage and seal them before winter deepens.

✅ For Window Hardware:

  • Lubricate moving parts (like hinges and locks) with a silicone-based lubricant to prevent freezing or sticking.
  • Ensure all locks are engaging properly for a tight seal against cold air.

5. Be Proactive About Snow and Ice Removal

Snow accumulation on window sills and frames can cause long-term damage.

✅ How to Prevent Issues:

  • Regularly brush off snow from exterior sills using a soft-bristle broom.
  • Ensure gutters and downspouts are clear to prevent ice dams that can push water against window frames.
  • If ice forms around your windows, apply a safe ice melt product rather than using force to chip it away.

Final Thoughts

Marvin Windows are built to handle extreme conditions, but with some basic maintenance, they’ll continue to perform beautifully through the harshest Chicago winters. By sealing drafts, cleaning glass, preventing ice buildup, and maintaining the frames and hardware, you’ll not only improve your home’s energy efficiency but also prolong the life of your windows.