The Best Window Installers in Southwest Harbor, ME

Compare the highest-rated windows professionals in Southwest Harbor, Maine. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Window Fashions of Maine

4.8
(150 reviews)
Verified

A highly respected, family-owned and operated provider specializing in high-quality, energy-efficient windows and doors. They are known for their professional installation, excellent customer service, and expertise in both modern and traditional home styles common to Mount Desert Island. They offer in-home consultations and are a premier provider for leading brands like Marvin and Andersen.

21 Rose Ln, Ellsworth, ME 04605 (Primary location serving all of MDI, including Southwest Harbor)

Specialties & Features

Energy-efficient windows
Custom window solutions
New window installation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Sargent Corporation (Local Construction & Carpentry Division)

4.6
(80 reviews)
Verified

While Sargent is a larger construction firm, their local carpentry and renovation teams are a go-to for high-end residential window projects in the Bar Harbor and Southwest Harbor area. They are ideal for complex installations, full-home replacements, and integrating windows into custom new builds or major renovations. Their reputation for quality and durability is exceptional.

30 Community Lane, Bar Harbor, ME 04609

Specialties & Features

Custom window solutions
Residential window replacement
New construction installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Acadia Home Services

4.5
(100 reviews)
Verified

A reliable and well-established local contractor known for a wide range of home improvement services, with a strong focus on window and door installation and repair. They are a practical choice for homeowners seeking storm window installation, window repair services, and standard replacements. They are praised for being responsive and knowledgeable about the local climate's demands.

Serves the entire Mount Desert Island area, including Southwest Harbor.

Specialties & Features

Window repair services
Storm windows and security windows
Residential window replacement

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Southwest Harbor

** The window market in Southwest Harbor and the broader Mount Desert Island area is characterized by a high standard of quality and specialization, driven by the region's severe coastal weather, strong focus on energy efficiency due to high heating costs, and a large inventory of historic and custom-built homes. Competition is moderate but concentrated among a small group of established, high-quality contractors rather than large national chains. * **Average Quality:** Very high. Homeowners and builders prioritize durability, weather resistance, and energy performance. Brands like Marvin, Andersen, and Pella are extremely common. * **Competition Level:** Moderate, but specialized. There are few "window-only" companies; most providers are skilled general contractors or carpentry specialists who offer window services as a core part of their business. Reputation and word-of-mouth are critical. * **Typical Pricing:** Premium. Pricing is above the national average due to the high-quality materials required, the custom nature of many projects (especially for historic homes), and the expertise of the local labor force. A standard window replacement project can range from $600 - $1,200+ per window, including installation, with custom or high-end architectural windows costing significantly more.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Southwest Harbor regulations and climate

Frequently Asked Questions About Windows in Southwest Harbor

Get answers to common questions about windows services in Southwest Harbor, Maine.

1How does the coastal climate of Southwest Harbor, Maine, affect my choice of new windows?

The salty air, high winds, and nor'easters common here demand windows with exceptional corrosion resistance and structural integrity. We strongly recommend vinyl or fiberglass frames over aluminum, and look for windows rated for "Coastal" or "Severe" exposure with durable, non-corrosive hardware. Proper installation with robust flashing and sealing is also critical to prevent moisture intrusion and withstand our harsh weather cycles.

2What is the best time of year to schedule a window installation in Southwest Harbor?

The ideal window is late spring through early fall (May to October). This avoids the deep cold that can complicate sealing and allows for proper curing of caulks and sealants. However, planning and ordering should begin in winter or early spring, as lead times for quality windows can be 8-12 weeks. Many local installers book up months in advance for the prime season, so early scheduling is key.

3Are there any local permits or regulations in Southwest Harbor I need to be aware of for window replacement?

Yes. If your home is in the historic district or is a designated historic property, you will likely need approval from the Southwest Harbor Historic District Review Board to ensure replacement windows meet specific aesthetic guidelines. For all homes, a building permit from the Southwest Harbor Code Enforcement Office is typically required for window replacement to ensure compliance with the Maine Uniform Building and Energy Code (MUBEC), which includes strict energy efficiency standards.

4What should I look for when choosing a local window installation contractor?

First, verify they are licensed and insured in the State of Maine. Look for a contractor with extensive experience specifically in our coastal environment—ask for local references and examples of past work in Southwest Harbor or Mount Desert Island. A reputable provider will conduct a detailed in-home assessment, provide a clear written estimate, and explain how they will handle weatherproofing and address potential issues like old, water-damaged framing common in older Maine homes.

5What is a realistic cost range for a full window replacement in a typical Southwest Harbor home?

For standard, energy-efficient double-hung or casement windows with professional installation, homeowners can expect a range of $1,000 to $1,800 per window. Final costs are highly dependent on the window's size, quality (e.g., triple-pane glass is highly recommended for our winters), and the condition of the existing frame. Historic replication or custom shapes will increase the price. Always get 2-3 detailed, itemized quotes from local contractors for an accurate comparison.