Our commercial building window replacement services in St. Paul, MN will greatly improve the thermal regulation of your building’s façade. Alternatively, we now offer a new retrofitting service developed by the award-winning team at Inovues Inc., that significantly increases a window system’s insulation rating. This low-cost, low-environmental impact, sustainable façade retrofit system is a great choice for commercial buildings in St. Paul, MN. The service is much less invasive and much more cost effective than window replacement services. There is little construction-related cleanup and no damage to the building’s existing envelope. If your commercial building envelope is more than 50% window, is in an area with hot summers or cold winters, or in an area with a high price per unit of energy, then it will surely benefit from replacing or retrofitting old windows. Commercial buildings in St. Paul, MN could see an annual energy savings of up to $100,000 after window replacement or retrofit services.