The Best Window Installers in Sitka, AK

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

#1

Spenard Builders Supply - Sitka

4.6
(45 reviews)
Verified

As a division of the large, trusted Alaska-based company Spenard Builders Supply, this Sitka branch is the primary local source for windows and installation services. They provide a wide range of window products and have strong connections with local contractors for professional installation. Their strength lies in their extensive inventory, brand access (like Andersen), and deep roots in the community.

834 Halibut Point Rd, Sitka, AK 99835

Specialties & Features

New window installation
Energy-efficient windows
Custom window solutions

Business Information

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

Alaska Glass & Window

4.7
(120 reviews)
Verified

Based in Juneau, this company is a leading specialist in glass and windows for Southeast Alaska and frequently serves communities like Sitka. They have an excellent reputation for high-quality installation, repair, and custom projects. Their expertise in handling the specific weather challenges of the region makes them a top choice for energy-efficient and storm-resistant solutions.

5755 Glacier Hwy, Juneau, AK 99801

Specialties & Features

Window repair services
Storm windows and security windows
Custom window solutions

Business Information

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

Sealaska

4.4
(80 reviews)
Verified

A major construction and fabrication company based in Juneau, Sealaska is an Alaska Native Corporation with a strong commercial and residential division. They are known for large-scale projects but also handle high-end custom residential work, including window and door systems. They are a premier choice for complex custom installations and new construction requiring high-performance, energy-efficient windows.

8495 Old Dairy Rd, Juneau, AK 99801

Specialties & Features

Custom window solutions
New window installation
Energy-efficient windows

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Sitka

The windows market in Sitka, Alaska, is characterized by high demand for durability and energy efficiency due to the harsh coastal climate featuring heavy rainfall, strong winds, and cool temperatures. The local market has limited competition, with Spenard Builders Supply being the primary local resource for products and contractor referrals. For specialized installation and repair, residents often rely on reputable companies from Juneau that are accustomed to traveling for projects throughout the Panhandle. The level of service quality is generally high but comes at a premium cost. Typical pricing for window replacement in Sitka is significantly above the national average, often ranging from $1,000 to $2,500 per window, driven by the high cost of materials, logistics, and shipping to the island, as well as the need for superior, weather-tight installations.

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 Sitka regulations and climate

Frequently Asked Questions About Windows in Sitka

Get answers to common questions about windows services in Sitka, Alaska.

1How does Sitka's coastal climate and heavy rainfall affect my choice of windows and installation?

Sitka's wet, windy, and salt-air environment demands windows with exceptional weather resistance. We strongly recommend vinyl or fiberglass frames over wood (which can rot) and insist on installations with superior waterproof flashing and sealing techniques to prevent moisture intrusion, which is the leading cause of failure here. Look for windows rated for high wind loads and corrosion resistance to handle our Southeast Alaska storms.

2What is the typical cost range for a full window replacement project on a Sitka home?

Costs in Sitka are typically 10-20% higher than national averages due to freight expenses for materials and limited contractor availability. For a standard home, a full replacement can range from $15,000 to $40,000+, depending on the number of windows, the quality (e.g., triple-pane vs. double-pane), and the complexity of installation in our older homes. Always get a detailed, in-home estimate that includes all freight and potential weather delays.

3When is the best time of year to schedule window installation in Sitka, and how long does it take?

The ideal installation window is late spring through early fall (May to September) when weather is most predictable and drier, allowing for proper sealing. A whole-home project may take 3-7 days, but scheduling is critical due to high demand in this short season. Reputable local installers book months in advance, so plan and contract early to secure a spot.

4Are there specific permits or local building codes in Sitka I need to be aware of for window replacement?

Yes, the City and Borough of Sitka requires building permits for window replacements, as they are considered structural alterations. Your installer should handle this. Codes emphasize energy efficiency and structural integrity to meet Alaska's climate challenges; for example, you'll likely need windows with a low U-factor (high insulation value). Using a licensed, local contractor ensures compliance with all codes and potential historic district guidelines if your home is in a designated area.

5Why is triple-pane glass so often recommended for Sitka homes, and is it worth the extra cost?

Triple-pane glass is highly recommended here because it provides superior insulation, drastically reducing heat loss during our long, damp winters and minimizing interior condensation—a common problem in our climate. The extra upfront cost is almost always worth it for the long-term energy savings, increased home comfort, and protection against mold/moisture damage, paying for itself over time given Sitka's high heating costs.