Homes throughout the Tri-Valley and San Francisco Bay Area face unique climate challenges including; sun exposure, coastal moisture, warm summers, and chilly winter nights. Poorly insulated windows and patio doors are a major source of energy loss, driving up heating and cooling costs.

Upgrading to Infinity® from Marvin® replacement windows and patio doors can dramatically improve your home’s overall performance. These quality products reduce heat transfer, eliminate drafts and air leakage, stabilize indoor temperatures, and lower energy consumption. Best of all, they enhance natural light throughout your home without compromising efficiency.

Upgrading to Infinity® from Marvin® means enjoying lower heating and cooling bills, fewer drafts and hot spots, and a quieter, more comfortable home. You’ll benefit from increased sunlight with better temperature control, improved indoor air quality, and the long-term durability and low maintenance that come with high-performance fiberglass construction.

‍When installed by Custom Exteriors, your new Infinity products become a long-term investment in your comfort and energy savings. Our experienced, AAMA-certified installers ensure every window and door is properly fitted and sealed for maximum performance. The result is lasting durability, improved efficiency, and peace of mind for years to come.