Windows

We offer an extensive line of replacement windows designed for just about any home.

Replacement windows are only as good as the company that stands behind them! Grennan Construction has the expertise you need to install your new windows properly and exactly according to our manufacturers specifications. You should expect no less!

Does your home need New Windows?

• Are you tired of difficult to clean windows?
• Are your windows hard to open?
• Tired of the time, safety and expense of painting old windows?
• Do you hate wasting money on heating from old windows?
• Are you tired of cold drafts?
• Do you feel like the look of your house could use an update?
• Are you concerned your old windows will impact your resale value?
• Are you thinking about the security of your home because of old locks?
• Do your current windows allow outside noises inside your home?

We can tell you that the right window, installed properly will

• Lower your energy costs- sometimes by up to 30% or higher
• Make your home more comfortable
• Make it quicker and easier to keep your windows clean
• Reduce Ultraviolet damage
• Give you a quieter home
• Allow you to save time and money on maintenance
• Improve homeowner safety
• Increase light and your view
• Improve security with better locking systems
• Enhance the beauty of your home
• Increase the resale value of your home up to 114%