A San Diego Window & Door Company That Does Things Differently

High-Performance Windows for Southern California Homes

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+ No Interest & No Payments for 12 months*
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Bright bedroom with large black-framed window
Light, Comfort, and Lasting Performance

Enhance Your Home with Replacement Windows

Windows aren’t just a core feature of your home; they shape how it feels, how it functions, and how it performs day to day. The right replacement windows will bring in natural light, block out noise, improve energy efficiency, and elevate your home’s curb appeal and interior aesthetic. But getting there takes more than a product catalog and a tape measure.

At 360 Windows and Doors, we treat window replacement as a craft and a collaboration. Our industry veterans take time to understand your home and how you live in it, then guide you toward beautiful, high-performance windows that are built to last. From selection to professional installation, we manage every step with precision so you can focus on what matters most: loving the home you’re in.

Better Living Starts with Better Windows

How Replacement Windows Can Transform Your Home

Many San Diego homeowners come to us thinking about a specific problem: drafts, outside noise, or rising energy bills. But what they discover along the way is that the right window replacement does much more than fix an issue; it transforms how a home looks, feels, and functions from the inside out. Our energy-efficient replacement windows are selected to meet the demands of Southern California’s climate and the way people actually live here.

Stay cool without overworking your HVAC

Let in natural light without sacrificing performance

Create a quieter, more peaceful home

Elevate your curb appeal and property value

Modern home exterior featuring a sleek black-framed glass entry door
San Diego’s Window Replacement Company

Leading With Insight, Experience, and Care

From coastal cottages to hillside homes, we’ve helped San Diego homeowners modernize, protect, and reimagine their spaces with craftsmanship and care. We understand the local landscape — how to navigate permitting, how different window materials respond to the Southern California climate, and how to match window styles to diverse home designs.

Whether you’re upgrading a historic bungalow or completing a modern renovation, our experienced window installation team is here to guide every decision with confidence. We’ll help you explore your options, understand your investment, and get results that feel exactly right for your home.

Schedule Your Free Assessment
Choosing the Best Window Material for Your Home

How to Choose the Right Replacement Windows

Not all windows are created equal. That’s why we help you compare materials and construction methods based on your goals for durability, low maintenance, and energy efficiency. Our replacement windows come in a variety of styles and materials to suit different homes, budgets, and performance needs. We’ll walk you through the pros and cons of each option so you can feel confident in every choice you make.

Bright bedroom with a large window seat and garden view.
Vinyl Windows

Affordable, energy-efficient, and virtually maintenance-free, vinyl replacement windows are a great choice for everyday performance and long-term durability. They resist moisture, never need painting, and hold up well in San Diego’s varied coastal and inland conditions.

Spacious living room with a large black-framed sliding glass door
Fiberglass Windows

Strong, stable, and dimensionally consistent, fiberglass windows are ideal for homes that experience wider temperature swings or need extra structural integrity. They’re also a popular choice for homeowners who want the appearance of painted wood without the ongoing upkeep.

Modern two-story home with a minimalist cube-like design
Aluminum Windows

Slim, strong, and built for a clean modern aesthetic, aluminum windows are especially well-suited to homes with large glass openings, panoramic views, or contemporary architecture. They deliver a sleek, minimal look without sacrificing durability.

 Complete Selection of Window Styles for Every Space

Explore Our Window Styles

The material is only part of the decision — the style of window you choose shapes how each room breathes, feels, and functions:

Slider Windows

A clean, space-saving option well-suited to modern homes and wide openings.

Learn more about our slider windows →

Single-Hung Windows

A classic look with a fixed upper sash and a lower sash that opens for ventilation.

Learn more about our single-hung windows →

Double-Hung Windows

The same traditional style with the added convenience of both sashes opening independently.

Learn more about our double-hung windows →

Picture Windows

Fixed-frame windows designed to maximize views and flood a room with natural light.

Learn more about our picture windows →

Casement Windows

Crank open on a side hinge for excellent ventilation and a tight, energy-efficient seal when closed.

Learn more about our casement windows →

Awning Windows

Hinge at the top and open outward, ideal for rooms that need airflow even in light rain.

Learn more about our awning windows →

Radius Windows

Add architectural character with curved frames, perfect for a distinctive design detail in any room.

Learn more about our radius windows →

Tilt and Turn Windows

Dual functionality: tilt inward for ventilation or swing fully open for maximum airflow and easy cleaning.

Learn more about our tilt and turn windows →

Bay and Bow Windows

Extend outward from the wall to create a sense of space, add seating or storage, and bring in light from multiple angles.

Learn more about bay and bow windows →

Not sure which style fits your space? We would be happy to walk you through the options during your free assessment.

Schedule Your Free Assessment

The Brands Behind the Performance

Choosing the right window starts with the material and style, but it’s the brand behind the product that determines how it holds up over time. That’s why we’re selective about what we carry. We partner with a curated group of industry-leading window manufacturers chosen for their performance standards, warranty coverage, and proven track record in Southern California homes. Every product we recommend is one we’d stand behind in our own home.

Windows Replacement FAQs

How long does window replacement take?

Most residential window replacement projects are completed in a single day. Larger projects or homes requiring multiple windows may take two days. Our team will give you a clear timeline before any work begins.

Do I need a permit to replace windows in San Diego?

In most cases, like-for-like window replacements in San Diego do not require a permit. However, if you’re changing the size or location of an opening, a permit may be required. Our team handles this on your behalf and will advise you during the assessment.

What’s the difference between a full-frame replacement and a window insert?

A full-frame window replacement removes the entire existing window frame and installs a new one. An insert replacement keeps the existing frame and fits a new window unit inside it. We assess your existing frames during the consultation to recommend the right approach.

Will new windows really lower my energy bills?

Energy-efficient replacement windows can meaningfully reduce heat gain in summer and heat loss in winter, which reduces the load on your HVAC system. The exact savings depend on your home’s current windows, insulation, and usage, but the improvement is typically noticeable.

How do I get started?

The easiest way to get started is to schedule a free in-home assessment. One of our window specialists will visit your home, evaluate your existing windows, and provide honest recommendations with transparent pricing — no pressure, no obligation.