Compare the highest-rated windows professionals in Longmont, Colorado. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, locally-owned and operated company specializing in high-quality window and door replacement for residential properties. They are known for their professional installation, strong customer service, and focus on energy-efficient products from leading manufacturers.
Serving the Front Range, including Longmont, Rite Window & Door has built a strong reputation for quality craftsmanship and a wide selection of products. They are a full-service provider from consultation to installation, often emphasizing the value and ROI of their window upgrades.
This provider stands out for its exceptional customer satisfaction ratings and personalized service. As part of a national buying group, they offer competitive pricing on premium brands while maintaining the care and attention of a local contractor. They serve Longmont from their Boulder/Lafayette base.
** The window replacement and service market in Longmont is competitive and quality-focused. Due to Colorado's climate—with its intense sun, temperature swings, and potential for hailstorms—homeowners prioritize durability, UV protection, and superior energy efficiency. The market is not saturated with low-cost, low-quality providers; instead, it is dominated by established, reputable contractors who often use premium brands like Andersen, Pella, and Simonton. Competition is strong, which benefits the consumer through high service standards. Pricing is typically mid-to-high range, reflecting the quality of materials and the expertise of the installers. A full window replacement project for an average Longmont home can range from $8,000 to $25,000+, depending on the number of windows, the materials chosen (vinyl, fiberglass, wood), and the complexity of the installation. The top providers distinguish themselves through manufacturer certifications, warranties, and a deep understanding of the specific environmental demands of the Colorado Front Range.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Longmont regulations and climate
Get answers to common questions about windows services in Longmont, Colorado.
In Longmont, a full home window replacement typically ranges from $10,000 to $25,000+, depending on the number and size of windows. Key cost factors include the window material (vinyl, fiberglass, or wood), the energy efficiency rating (crucial for our variable climate), and the complexity of installation in older homes, which may require custom sizing or historical considerations. Local material and labor costs also influence the final price.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for installation and allows for proper sealing. Avoiding deep winter is wise due to potential snow and cold that can complicate the installation process and affect caulking and sealing, while peak summer can be busy with high demand from contractors.
Absolutely. Given Longmont's cold winters, hot summers, and intense sunlight, look for windows with a low U-factor (for insulation against cold) and a low Solar Heat Gain Coefficient (SHGC) to manage summer heat gain. Double or triple-pane glass filled with argon gas and Low-E coatings are highly recommended to improve comfort and reduce year-round energy costs.
Always verify that the contractor is licensed and insured to work in Colorado. Look for established local companies with strong references and reviews specific to the Longmont/Boulder County area. A reputable provider should offer a detailed, in-home estimate, clearly explain local building code requirements (like egress rules for bedrooms), and provide a robust warranty on both product and labor.
For standard, like-for-like window replacements where the opening size and location are not changed, a permit is generally not required. However, if you are altering the opening size, changing the style (e.g., adding an egress window in a basement bedroom), or live in a designated historic district, you will likely need a permit. A qualified local installer will know these regulations and can guide you through the process if needed.