Compare the highest-rated windows professionals in New London, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.
A major regional leader with a direct presence in New Hampshire. Harvey specializes in manufacturing and installing high-quality, energy-efficient vinyl windows and doors. They are a go-to for homeowners seeking reliable, standard, and custom-sized replacement windows with a strong focus on weatherproofing and durability, which is crucial for New England winters.
A highly-rated local contractor known for personalized service and expertise in the Lake Sunapee area. They focus on residential projects, offering consultation, installation, and repair services from leading brands like Pella and Andersen. Their strength lies in custom solutions for historic homes and modern energy-efficient upgrades.
A well-established, family-owned provider serving the Upper Valley and Sullivan County. They offer a full range of glass and window services, from simple repairs and reglazing to full-frame new construction and replacement installations. They are a practical choice for a mix of repair needs and full window projects.
** The windows market in New London, NH, and the surrounding Lake Sunapee Region is characterized by a mix of high-end custom homes, classic New England capes, and historic properties. This creates a demand for both specialized custom solutions and standard, high-efficiency replacements. There are few to no providers based directly within New London's small commercial district; the market is served by reputable regional contractors and local craftsmen from neighboring towns like Sunapee, Newport, and New London. **Competition Level:** Moderate. While there aren't dozens of providers, the existing companies are well-established and have built strong reputations over decades. Quality of workmanship and customer service are the primary competitive differentiators. **Average Quality:** High. The climate demands high-performance, energy-efficient windows, and the affluence of the area supports a market for premium products from manufacturers like Pella, Andersen, and Harvey. **Typical Pricing:** Pricing is above the national average, reflecting the higher cost of living, the premium products installed, and the skilled labor required. Homeowners should expect a significant investment, with typical full-home window replacement projects ranging from $15,000 to $40,000+, depending on the window quality, home size, and complexity of the installation.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with New London regulations and climate
Get answers to common questions about windows services in New London, New Hampshire.
For a standard double-hung vinyl window replacement in New London, homeowners can expect to pay between $800 and $1,200 per window, including professional installation. This range accounts for the region's higher labor costs and the premium for high-performance windows, which are crucial for our cold New Hampshire winters and energy efficiency. The final cost varies significantly based on window size, material (like wood or fiberglass), brand, and the complexity of the installation in your specific home.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer milder, drier weather that is optimal for installation work, avoiding the deep cold of winter that can complicate sealing and the peak humidity of summer. Scheduling well in advance for these windows is critical, as local installers' calendars fill up quickly, especially for projects aiming to improve home efficiency before winter sets in.
Absolutely. Prioritize windows with a low U-factor (for insulation against the cold) and a low Solar Heat Gain Coefficient (SHGC) to manage both winter sun and summer heat. Look for the ENERGY STAR® label specific to the "Northern" climate zone. Given our heavy snowfall and wind, also ensure the windows have a strong design pressure (DP) rating to withstand weather loads and feature durable, low-maintenance exteriors suitable for the region.
In New London, replacing windows in an existing opening typically does not require a building permit, but this can vary if you are altering the structure. Always verify with the New London Building Department. Choose a reliable installer by selecting a licensed and insured New Hampshire contractor, checking for strong local references in the Sunapee region, and confirming they are certified by major window manufacturers (like Andersen or Pella), which indicates trained, quality installation.
Proper installation is key to preventing air infiltration and the interior condensation common in our cold climate. Ensure your installer uses a full-frame installation method (when possible) and meticulous air-sealing techniques with high-quality flashing and sealants. Opt for windows with warm-edge spacer technology and low-E, argon-gas-filled insulated glass to keep the interior glass warmer, dramatically reducing condensation and improving comfort.