The Best Window Installers in Deer Isle, ME

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

#1

Dead River Company - Ellsworth

4.2
(80 reviews)
Verified

A well-established, trusted provider throughout Maine, known for heating fuels but also offering a full range of Marvin Windows and Doors. Their Ellsworth branch is the primary source for high-quality, energy-efficient, and custom window solutions for the Down East region, including Deer Isle. They focus on professional installation and replacement services.

26 Dow's Highway, Ellsworth, ME 04605

Specialties & Features

Energy-efficient windows
Custom window solutions
New window installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Window & Door Store of Maine

4.6
(50 reviews)
Verified

A specialized contractor and retailer located in Ellsworth, focusing exclusively on windows and doors. They are authorized dealers for leading brands like Andersen and Pella. They are highly regarded for their expertise in residential replacement, repair, and custom projects, making them a go-to for homeowners seeking professional consultation and installation.

58 Main Street, Ellsworth, ME 04605

Specialties & Features

Residential window replacement
Window repair services
Storm windows and security windows

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

S.M. Dunham Builders

4.8
(40 reviews)
Verified

A highly-rated, local building and remodeling contractor based in Blue Hill, who frequently serves the Deer Isle and Stonington areas. While a full-service builder, they have extensive expertise in window installation, repair, and integrating custom and energy-efficient windows into both new constructions and historic home renovations, which are common in the region.

(Service-based; operates in Blue Hill/Deer Isle area)

Specialties & Features

Custom window solutions
New window installation
Window repair services

Business Information

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

Why These Are the Top Windows Contractors in Deer Isle

** The windows market serving Deer Isle, Maine, is characterized by a high demand for quality and durability due to the harsh coastal climate. The local market is not saturated with large, big-box competition; instead, it relies on a network of skilled local contractors and specialized retailers from nearby commercial centers like Ellsworth (approx. 25-30 minutes away). **Average Quality:** High. Homeowners in this area, including seasonal residents, invest in premium, energy-efficient products from brands like Marvin, Andersen, and Pella to combat Maine's winters and improve home comfort. Historic home preservation also drives demand for custom solutions. **Competition Level:** Moderate, but specialized. There are few "window-only" companies in the immediate area, creating a market served by a mix of specialized window retailers from Ellsworth and versatile local builders/carpenters from the Blue Hill Peninsula. Reputation and word-of-mouth are critically important. **Typical Pricing:** Pricing is typically above the national average. This is due to the premium cost of high-performance windows, the specialized labor required for installation in older homes, and the service travel costs for contractors based off the island. Homeowners should expect a significant investment for full-window replacement projects, with a strong focus on long-term value and energy savings.

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 Deer Isle regulations and climate

Frequently Asked Questions About Windows in Deer Isle

Get answers to common questions about windows services in Deer Isle, Maine.

1How does Deer Isle's coastal climate impact the type of windows I should choose for installation?

Deer Isle's coastal environment demands windows that can withstand high winds, salt air corrosion, and significant temperature shifts. We strongly recommend impact-resistant glass for storm protection and frames like vinyl or fiberglass that resist salt spray corrosion, paired with low-E coatings to improve energy efficiency against Maine's cold winters. Proper installation is critical to prevent air and water infiltration, which is a common issue in our harsh weather.

2What is the typical timeline for a window installation project on Deer Isle, and are there seasonal considerations?

From order to completion, a typical full-home window replacement project can take 6 to 12 weeks, with installation itself often lasting 1-3 days. Due to our seasonal tourism and weather, scheduling is crucial; the ideal installation periods are late spring through early fall to avoid winter conditions. Homeowners should plan and book consultations early, as local installers' schedules fill up quickly during the short peak season.

3Are there any local permits or regulations in Deer Isle I need to be aware of before installing new windows?

Yes, always check with the Deer Isle Town Office. If your home is in a historic district or is a designated historic property, you may face specific aesthetic guidelines for window style and materials. For most standard replacements, a permit may not be required, but a building permit is often needed for new construction or structural changes. Your local installer should handle this process and be familiar with Hancock County codes.

4How do I choose a reliable window installation provider in the Deer Isle area?

Prioritize local, established contractors with verifiable references on the island or in nearby communities like Stonington. A reliable provider will be fully insured, licensed by the State of Maine, and offer a strong warranty on both product and labor. Ask specifically about their experience with coastal installations and request to see photos of past projects on similar island homes to assess their craftsmanship.

5What are common post-installation issues specific to our area, and how can I prevent them?

The most common issues are condensation and drafts, often caused by the extreme temperature differentials between indoors and out, or by improper sealing. To prevent this, ensure your new windows have a high condensation resistance rating and are installed with proper flashing and sealing to handle driving rain and wind. Regularly inspect and clean the exterior seals to remove salt spray residue, which can degrade materials over time.