Thermal Performance is a quality window and door company specializing in window sales and installations. We are currently serving the South Jersey / Central New Jersey area and the Philadelphia Metropolitan area.
* no warping or swelling
* no rust or corrosion
* no painting
* maintenance free finish
* both sashes tilt in for easy cleaning
* vinyl acts as a thermally efficient insulator
* constant force balance system
* Non-prorated Lifetime Warranty
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