WINDOW SERVICES
Drafty rooms, rising energy bills, and worn-out windows don’t have to be the norm. We install and repair windows across Southern Maine and New Hampshire to improve comfort, efficiency, and protection year-round.
WHY C.M.L. IS THE BEST WINDOW COMPANY IN ME & NH
Windows play a huge role in comfort, energy efficiency, and moisture protection, especially in New England, where drafts, condensation, and temperature swings can expose weaknesses fast. At CML Roofing & General Contracting, our window services are built around honest recommendations, clean workmanship, and clear communication, so you know exactly what you’re getting and why.
- Locally owned and operated in Maine & New Hampshire
- Founded in 2022 by owner Chris Laurion
- Fully insured for all window work
- Clear window inspections and honest recommendations (no pressure, no upsells)
- Experienced with New England drafts, condensation, and freeze-thaw conditions
- Experienced with New England drafts, condensation, and freeze-thaw conditions
- Warranty-backed workmanship, including a 25-year workmanship warranty
- 250+ 5-Star Reviews in Maine
- 43+ 5-Star Reviews in New Hampshire
OUR 5-STAR WINDOW SERVICES
From drafts to water intrusion, our catalog of window services solve real problems with lasting performance.
Window Replacement
Replace drafty, failing windows with energy-efficient upgrades that improve comfort and protect your home.
Window Repair
Fix stuck, leaking, or damaged windows to restore performance, operation, and proper sealing.
Window Emergency
Fast response for broken or leaking windows to secure openings and prevent further damage.
Window Installation
Professional window installation for new builds and remodels with proper sealing and weather protection.
Free Window Inspection
Get a clear assessment of window issues with photos, recommendations, and honest next steps.
Commercial Window Services
Durable window solutions for offices and multi-unit properties with secure installation and long-term performance.
WINDOW SOLUTIONS FOR NEW ENGLAND HOMES
Homes in Southern Maine and New Hampshire see a heavy mix of rain, snow, and seasonal temperature swings. Portland averages nearly 69 inches of snow and more than 48 inches of precipitation each year, while Concord averages nearly 68 inches of snow and about 42 inches of precipitation. For windows, that much moisture and movement makes proper installation critical, especially around the frame, flashing, insulation, and exterior seal.
Our window services focus on creating a tighter, better-protected opening from the start. We install and seal each window with careful attention to flashing, weather-barrier integration, insulation, and water management, helping reduce drafts, protect against moisture intrusion, and keep your windows performing reliably through New England weather.
SPECIALIZED WINDOW EQUIPMENT & TRAINED CREWS
At CML Roofing & General Contracting, quality window services start with specialized equipment and trained crews on every job. Window installation requires precision at the opening, and the tools and systems used directly impact how well that window performs over time.
Our crews work with window-specific installation tools and materials, including precision leveling equipment, flashing systems, weather barrier integration products, and professional air sealing and insulation methods. We also use proper staging, fall protection, and jobsite coverings to protect your home, interior finishes, and surrounding property during the work.
Just as important is how the work is done. Our trained crews follow manufacturer installation standards and proven water management practices, with a focus on alignment, secure fastening, clean sealing, and proper integration at the opening. This combination of the right equipment and experienced workmanship ensures your windows are installed correctly and built to perform in Southern Maine and New Hampshire conditions.
THE ME & NH WINDOW COMPANY YOU CAN TRUST
Fully Insured & Backed by Real Warranties
CML Roofing & General Contracting is fully insured for window services across Southern Maine and New Hampshire, giving homeowners confidence that work is completed safely and to professional standards.
We also back our window services with a 25 year workmanship warranty for qualifying projects, providing long term protection and peace of mind after your project is complete.
Industry-Recognized, Locally Trusted, and Manufacturer-Approved Roofing Services
We’re proud to be recognized for the homeowner experience we deliver, not just the finished result. We’ve been named a 2025 Neighborhood Fave on Nextdoor, an award driven by real recommendations from homeowners in the communities we serve.
We are also a James Hardie Alliance Select Contractor and an Owens Corning Preferred Contractor, designations that reflect our commitment to professional standards, proper installation methods, and long term performance across all exterior work.
For window services, that same approach carries through. Our team follows manufacturer standard installation practices to ensure windows are properly integrated, sealed, and built to perform in New England’s demanding climate.
HOW MUCH DO WINDOW SERVICES IN MAINE & NH COST?
Window service costs can vary widely depending on your home, the type of window, and whether the issue is a simple repair or a full replacement. In Southern Maine and New Hampshire, pricing is often influenced by New England conditions like freeze-thaw cycles, coastal wind-driven rain, and moisture-related wear that can impact seals, frames, and trim over time. On average:
- Window repairs typically range from $177 to $632 per window, depending on the issue and window type.
- Window replacement often ranges from $300 to $2,500 per window, depending on style, materials, and glass package.
- For larger projects, many homeowners spend around $3,441 to $11,839 total, depending on how many windows are being replaced and project complexity.
Factors That Affect Window Service Cost
- Number of windows and overall scope (single repair vs. full replacement project)
- Window size, style, and complexity (double-hung vs. casement vs. picture, custom shapes, etc.)
- Frame material and product tier (vinyl, wood, fiberglass, composite)
- Glass package and efficiency upgrades (double/triple pane, Low-E coatings, gas fills)
- Installation type and detailing (insert vs. full-frame replacement, exterior trim work)
- Access and site conditions (height, staging needs, landscaping constraints)
- Water damage, rot, or structural repairs discovered around the opening
- Flashing/water-management upgrades to prevent leaks and moisture intrusion
- Permit requirements and local code considerations (when applicable)
- Seasonality, scheduling, and current contractor demand
Many of these factors aren’t visible from the ground, which is why online pricing averages can only provide a rough estimate. The most accurate way to understand what your windows truly need and what your window services will cost is through a professional inspection and written scope from a local window contractor.
HOW TO TELL IF YOUR WINDOWS NEEDS ATTENTION:
Window problems don’t always show up as a dramatic crack or obvious leak. In many cases, issues develop quietly through failing seals, small gaps around the frame, or hidden moisture at the window opening.
By the time drafts or water stains become noticeable, the surrounding trim and framing may already be taking on damage.
Common signs you may need window services include:
- Drafts or cold spots near windows, especially on windy days
- Condensation between panes, foggy glass, or persistent interior condensation
- Windows that stick, won’t stay open, or won’t lock properly
- Noticeable outside noise coming through closed windows
- Water stains, bubbling paint, or soft/rotting wood around sills and trim
- Visible gaps, cracked caulk, or deteriorating seals around the frame
- Higher heating/cooling bills or uneven temperatures room to room
- Visible frame warping, swelling, or moisture-related deterioration
In Southern Maine and New Hampshire, freeze-thaw cycles, coastal wind-driven rain, salt air, and humid summers can accelerate seal failure and moisture intrusion even when windows look “fine” from a distance. A free window inspection is the best way to get clarity on whether you need window repair, targeted upgrades, or full window replacement before small issues turn into bigger repairs.
AREAS SERVED
SOUTHERN MAINE
- Portland
- South Portland
- Westbrook
- Scarborough
- Cape Elizabeth
- Falmouth
- Cumberland
- Yarmouth
- Gorham
- Windham
- Freeport
- Saco
- Biddeford
NEW HAMPSHIRE
- Strafford
- Portsmouth
- Dover
- Somersworth
- Rochester
- Exeter
- Hampton
- North Hampton
- Seabrook
- Newmarket
- Madbury
- Milton
- Wakefield
MAP OF WHERE WE PROVIDE WINDOW SERVICES
WINDOW SERVICE FAQ'S
Have questions about window repair, replacement, or installation? Here are answers to some of the most common window service questions we hear from homeowners across Southern Maine and New Hampshire.
Yes. We provide both window repair and full window replacement. Some issues can be resolved by fixing hardware, improving sealing, or addressing localized problems, while older or failing windows may be better replaced for long-term performance. A professional window inspection helps us determine the most practical, cost-effective option for your home or building.
Timelines depend on the number of windows, the style, and whether the project is repair-only or full replacement. Smaller window repairs can often be completed quickly, while window replacement projects typically take longer due to careful removal, prep work, and precise flashing and sealing. After your inspection, we provide a clear scope and realistic timeline.
Yes. We stand behind our window services with a 25-year workmanship warranty. Manufacturer warranties may also apply depending on the products selected, and we install using manufacturer-standard methods to support long-term performance. We’ll review warranty details with you so you know what’s covered and what to expect.
Yes. We provide commercial window services for offices, multi-unit buildings, and other commercial properties across Maine and New Hampshire. Projects are evaluated individually to align materials, installation methods, scheduling, and site requirements with an emphasis on clear communication and minimal disruption to operations.
We provide window services throughout Southern Maine and New Hampshire, including coastal and inland communities. If you’re unsure whether your location is within our service area, just reach out. We’re happy to confirm and schedule a free window inspection.
Absolutely, we’re happy to offer financing on window services. Just reach out and we’ll put you in touch with a project manager to get started.
GET YOUR FREE WINDOW QUOTE
Call us in Maine: (207) 331-4563
Call us in NH: (603) 570-6163
Or click the button below to fill out a form and we’ll be in touch soon!
GET YOUR FREE WINDOW QUOTE
If your home feels drafty, your windows are hard to open, or you’re seeing condensation or moisture around the frame, it’s worth getting clarity before small issues turn into bigger repairs. Whether you need window repair, full window replacement, or commercial window services, our local window contractors will walk you through the next steps with honest recommendations, photos, and a clear written scope.
Call us in Maine: (207) 331-4563
Call us in NH: (603) 570-6163
Or click the button below to fill out a form and we’ll be in touch soon!