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New Vinyl Windows Glen Park Rockville

Travillah, Maryland

Rockville MD Replacement Windows

This recent replacement window project took place in the Glen Park neighborhood of Rockville, Maryland.  The work scope included removing and hauling away twenty eight window and one sliding glass door (in the rear) from a house that was built in 1974.  The contract called for twenty seven vinyl replacement double hung windows, one casement style window and one energy efficienct vinyl sliding glass patio door with heavy duty lock.

Before Installation

Window contractor Travillah Maryland

This photo was taken prior to the new windows being installed.  The home is well kept and is in a beautiful Rockville neighborhood in Montgomery County, Maryland. 

Nine of the twenty eight windows that were replaced are on the front of the home.  The patio door is on the rear of the home.  The house was being prepared for a new family to move in and the owner felt it was time to seal up those old leaky wood windows.

Rear - After Installation

Patio door replacement Rockville MD

Each of the windows and patio door all had Argon gas and lowE film.  Nine of the twenty eight windows had tempered glass in the lower sash for safety due to the height from the floor or being over a tub.

The window grids called for six lite in the top sash of each new windows and no grids in the lower sash for a unique look.

Completed Window Project

Completed Window Project

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Service Areas: Howard County, Prince George's County, Montgomery County, Anne Arundel County, Baltimore County

Services: Energy Audits, Air Leakage Testing, Thermal Imaging, Air Sealing & Insulation, Replacement Windows, Replacement Doors, Siding, Trim, Gutters, Ventilation, Energy Efficient Additions

Our work in Maryland: Bladensburg, CroftonBowie, Ellicott City, Greenbelt, Rockville, Silver SpringUpper Marlboro, Wheaton

Building Performance Institute Certified
Building Performance Institute
Eric Gans
Building Analyst
Envelope Professional
BGE Approved Energy Contractor
Pepco Approved Energy Contractor

Helping You!

*Improve home comfort
Educate you about your home
*Find air leakage in your home
*Improve energy efficiency
*Use science for solutions
*Assess your building's shell
*Help prioritize improvements
*Find the root causes
*Assess insulation levels
*Measure indoor air quality
*Evaluate windows & doors
*Evaluate attic ventilation

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    Specialized Maryland Contractor


    • MHIC Licensed
    • Building Analyst Certified
    • Envelope Professional Certification
    • EPA Lead Renovator Certified
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    Our mission is to help Maryland homeowners create a more comfortable home and save energy. We achieve this by applying building science principles and modern air sealing and insulating techniques.

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    Services & Service Areas

    Anne Arundel County, Baltimore County, Baltimore City, Carroll County, Harford County, Howard County, Montgomery County, Prince George's County



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    Laurel, MD 20723


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    An Energy Auditor's Purpose 
    "Energy auditors visit residential buildings and talk to owners and residents.  They inspect, test, and measure to decide what energy-efficient retrofits are practical and cost-effective." Residential Energy