Energy-Efficient Windows in the Florida Keys

Updated on January 6, 2026
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Energy-saving windows are more than just a smart feature; they are essential in the Florida Keys. With high humidity and long, warm seasons, buildings rely on windows that retain cooled air and help keep energy costs under control.

At Lindholm Exteriors, we install insulated glass windows designed to help properties feel comfortable and have energy costs under control. The energy-efficient windows we install block heat, maintain comfort, and reduce the workload on cooling systems. Eco-friendly windows also contribute to long-term sustainability by lowering energy usage across seasons.

Energy-efficient windows - Lindholm Exteriors
Trusted by Customers Since 1949

75+ years of durable roofing, impact windows, and secure doors.

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Why Get Energy-Efficient Windows from Lindholm Exteriors?

Each window we offer is made to match the needs of this region. Our products are ENERGY STAR certified and built with strong framing systems and durable glass. We carry options in aluminum and vinyl, two materials that perform well in coastal climates.

Aluminum resists wear and corrosion, making it a strong choice for larger structures. Vinyl offers smooth surfaces and easy maintenance. We work with leading brands like Simonton and PGT to give customers access to proven solutions that deliver lasting results. To learn more about our window replacement options, you can browse styles, sizes, and framing details.

Efficient Window Solutions by Lindholm Exteriors

Lindholm Exteriors has served the Florida Keys for over seven decades. Our company is family-owned and based in Islamorada. We complete work across residential and commercial projects, always focusing on quality and long-term support.

As window replacement & installation contractors in the Florida Keys, we know how to match the right product to each setting and deliver careful installation from start to finish. With an A+ rating from the Better Business Bureau, we are proud of our record and happy to offer fast estimates and personal guidance. If you have any questions or concerns, our team is glad to answer all your questions. Reach out today and let’s get started.

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Our Selection

See Our Window Types

Aluminum windows - Lindholm Exteriors

Aluminum Windows

Ideal for storm-prone areas, aluminum windows are durable and can be insulated to reduce heat transfer, enabling enhanced energy efficiency.

Awning windows - Lindholm Exteriors

Awning Windows

Hinged at the top, awning windows open outward from the bottom, creating an awning.

Casement windows - Lindholm Exteriors

Casement Windows

A classic and versatile window style, casement windows can add beauty, functionality, and efficiency to any home.

Double-hung windows - Lindholm Exteriors

Double-Hung Windows

If you're looking to add style and safety to your home, consider installing double-hung windows.

Energy-efficient windows - Lindholm Exteriors

Energy-Efficient Windows

Set into insulated frames, energy-efficient windows enable you to stay cool and comfortable in your home no matter how hot it gets outside. They feature two or three panes of glass with Low-E coatings and gas fills between the layers of glass.

Architectural, geometric windows - Lindholm Exteriors

Geometric Windows

To add unique architectural flair with custom shapes, geometric windows will bring light and character to any space.

Impact window - Lindholm Exteriors

Impact and Hurricane Windows

Built to withstand severe weather, impact and hurricane windows provide maximum protection and peace of mind.

Nonimpact windows - Lindholm Exteriors

Nonimpact Windows

Also known as standard windows, they usually feature two panes of glass with a nontoxic gas fill. They provide better protection compared to old single pane windows from ages ago though they're not impact-proof.

Picture Windows

For homeowners who want their home to have a colonial look, picture windows are the perfect traditional window option.

Single-Hung Windows

A cost-efficient way to upgrade your window package, single-hung windows provide a classic look.

Sliding Windows

Providing a space-saving design, sliding windows offer an easy horizontal operation and a wide view of the outdoors.

Vinyl windows - Lindholm Exteriors

Vinyl Windows

Energy-efficient, durable, affordable, and low-maintenance, vinyl windows are a smart pick for your Florida Keys home.

Gallery

See Our Window Gallery

We offer some of the highest quality residential window products that include PGT, Simonton, and Andersen.​ We have specialized in the replacement and installation of residential windows projects in the Florida Keys since 1949. Our commitment to excellence in residential window installation is at the core of our business model. That’s why it’s hard for homeowners to hire another residential window contractor. Trust Lindholm Exteriors for your total home window replacement.

Our Promise

Experience the White Glove Guarantee

The “white glove guarantee” is our promise to our customers. It’s the company-wide standard that we hold ourselves to daily. That promise is comprised of the following three values:

We Do What We Say

Our team practices what we preach from showing up to appointments on time to keeping installation deadlines and all the other promises in between. We mean what we say, and we stand by that!

Our Price Is Fair

Everyone pays the same. We know that you earn your money the hard way, just like the rest of us. That's why we have a same-price guarantee throughout the Florida Keys.

We Aim for Perfect

We're still here after 75 years because of one simple reason: we aim for perfection, not just "good," but "great." We help our customers to get the most out of their homes.