Compare the highest-rated windows professionals in Portland, Maine. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading home performance contractor in Maine, specializing in high-efficiency window replacements and installations. They are well-regarded for their professional consulting, expert installation, and focus on improving home energy efficiency and comfort. They are a certified BPI and Energy Star partner.
As the local branch of a nationally recognized and trusted brand, Pella of Portland offers a wide range of high-quality windows, from their proprietary energy-efficient models to custom-designed solutions. They provide both sales and professional installation services with strong manufacturer warranties.
A long-standing, locally-owned and operated lumber and home improvement center. They offer a full-service window department, providing a wide selection of products from leading manufacturers and coordinating professional installation services for replacement and new construction projects. They are known for their personalized service and local expertise.
The window service market in Portland, Maine, is characterized by high demand for energy efficiency due to the region's cold climate and older housing stock. Many homes are historic, creating a need for providers who can offer both modern performance and aesthetic preservation. The competition is strong among a mix of local specialists, regional contractors, and national brand showrooms. The average quality of service is high, with a focus on professionalism and certification (e.g., Energy Star, BPI). Pricing for a full window replacement project on a typical home can range from $8,000 to $20,000+, heavily influenced by the choice of window material (vinyl, wood, composite), energy rating, and the complexity of the installation, particularly in older homes.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Portland regulations and climate
Get answers to common questions about windows services in Portland, Maine.
In the Portland area, the cost for a full-frame window replacement typically ranges from $800 to $1,500 per window, including professional installation. The final price depends on the window material (vinyl, wood, fiberglass), size, style, and energy efficiency ratings. Given Maine's climate, investing in high-performance, double or triple-pane windows with Low-E coatings is common and can influence cost but leads to significant long-term savings on heating bills.
While professional installers work year-round, late spring through early fall (May to October) is ideal in Portland. This avoids the peak heating season and the harshest winter weather, ensuring a more comfortable indoor environment during installation and allowing for proper sealing of exterior caulking, which requires milder temperatures to cure correctly. However, scheduling several months in advance is recommended due to high demand.
Maine's building codes align with the International Energy Conservation Code (IECC), requiring high thermal performance. For replacement windows in Portland, the U-factor (insulating value) is particularly critical for our cold winters. Many homeowners also look for the ENERGY STAR® label specific to the "Northern" climate zone. While no unique city permits are typically needed for standard replacements, historic districts like the West End may have aesthetic guidelines.
Look for a licensed and insured contractor with extensive local experience. Verify they are registered with the state of Maine (via the Department of Professional and Financial Regulation) and ask for references from recent projects in Greater Portland. A reputable provider will offer a detailed, in-home assessment and written estimate, and they should be knowledgeable about handling Maine's coastal moisture, wind, and seasonal temperature swings during installation.
Prioritize windows with a low U-factor for superior insulation against the cold and a low Solar Heat Gain Coefficient (SHGC) to manage summer sun. Durability against coastal air moisture is also key, so look for robust materials and finishes. For our snowy winters and windy coastal storms, ensure the installation includes proper flashing and sealing to prevent air and water infiltration, which is as crucial as the window unit itself.