Secondary Glazing for Existing Buildings

Delivering project specific, proven solutions with high ROI 

The Problem We're Solving

Nearly half of the commercial buildings in the US have poorly performing windows, contributing to almost 30% of the nation’s greenhouse gas emissions. However, high costs and long payback periods make window replacement an unattractive solution. 

Alpen's secondary glazing solutions reduce energy use and costs, offer rapid paybacks, and seamlessly upgrade windows from the inside, enhancing comfort while preserving your building's aesthetics and reducing its carbon footprint. 

How We Work Together

ESCOs

ESCOs

Our glazing experts work closely with ESCOs to ensure your project achieves maximum energy efficiency and complimentary benefit to broader efficiency measures. By thoroughly assessing your project's specific needs, we deliver customized, cost-effective solutions that align with your overall program performance goals. 

Commercial Building Owners

Commercial Building Owners

Alpen works directly with commercial building owners to lower operating costs and meet energy code requirements. Our tailored glazing installations improve tenant comfort and enhance property appeal, making spaces more attractive to new tenants while delivering significant energy savings. 

Owner Operated Buildings

Owner Operated Buildings

Owner-operated buildings like schools, universities, and hospitals face rising energy costs and the need for upgrades to avoid the high expenses of new mechanical equipment. Alpen provides customized glazing solutions that lower energy use and operational costs while seamlessly integrating with existing structures, ensuring long-term efficiency and budgetary savings. 

Explore Secondary Glazing Projects

SERA Architects HQ