Introducing QuantaPanel IGS Low-E Storm Windows
75%
Less expensive than installing high quality windows with similar performance.
230%
Better heat retention potential while preserving the historic beauty of your home.
70%
Potential decrease in air leakage after installation of QuantaPanel IGS Storm Windows.
National Grid is offering a $25 Instant Rebate on ENERGY STAR certified Low-E Storm Windows.
QuantaPanel has painstakingly re-engineered the ugly storm windows of the past and designed an ENERGY STAR® certified Architectural Low-E storm window that enables property owners to maintain a structures original elegance and enhances the energy efficiency to that of a high-end modern window at a fraction of the cost. Learn More at National Grid