28 Best Window Replacement Companies in Altadena, CA (2023 Reviews)
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How Installing Energy-Efficient Windows in Altadena Saves You Money

By upgrading to energy-efficient windows, you can enjoy several benefits, such as:

• Save on energy bills: Since energy-efficient windows reduce how much energy you need to heat or cool your home, the switch can help you save around $509 annually on your energy bills in Altadena.
• Reduce your carbon footprint: By using less energy once switching to Energy Star certified windows, you'll also be reducing your carbon dioxide emissions by about 12%, according to Energy Star.
• Protect your investment: When you have an older home, your windows could also be outdated or leaky. Upgrading and repairing your windows is an important part of maintaining your property and its value.
• Protect your valuables: The low-emissivity coatings on many Energy Star certified windows help prevent damage from the sun's UV rays to your floors, carpets and furniture.

Estimated Cost of Window Replacement in Altadena

Windows come in all shapes and sizes, so costs and services will differ considerably. Here are the typical costs and services that you'll find from the average window installation company.

How Much Do New Windows Cost?

Generally, Altadena homeowners can anticipate their window replacements to range from $250 to $1,200. The average cost is at around $600. How much it will cost you is based on several factors, such as type, size, the location of your home, number of windows, material and more.

With windows, efficiency is one of the most important factors for most homeowners. High efficiency windows may cost more initially, but by increasing the efficiency of your home — especially if you live in a hot climate — they can provide many years of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Altadena homeowners $509+ per year after replacing single-pane windows.

Another factor that influences the total cost is the material you pick for your frame. Aluminum frames are usually the least expensive and are sturdy and relatively maintenance-free, but they provide poor insulation. On the other hand, wood frames are the most expensive because they are aesthetically pleasing and provide decent insulation. Fiberglass and vinyl frames provide good insulation as well and cost somewhere between the other two.

What Services do Window Installers Offer?

There are typically two types of window replacement services: full-frame and pocket installations.

A full-frame installation is a total window replacement. This service involves removing the old window, the sill, and the exterior and interior trim. It can also involve extra materials, such as insulation and drip edges, which increase the overall cost of the project. Also worth noting: you may have to touch up the paint around the window after a full-frame installation. Pocket installations (or retrofits) involve replacing a window within the existing frame, which makes pocket installations more simple and affordable. However, if the frame has any damage or rot, you should opt for a full-frame installation instead.

If you're still trying to decide which type of installation you need, you can talk to your installer and get their recommendation. The choice mostly depends on the age of your window frames and if there's any damage.

How We Choose the Best Window Installers in Altadena

In our search to find the most reliable, eco-friendly window installers in Altadena, the EcoWatch team chose the above companies as the best window installation companies in the city. We have decided to evaluate the top window installers in Altadena primarily based on their energy efficient offerings, as it's the most sustainable option and the best one for homeowners. Energy Star certified windows can lower power bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

Since this is a guide for Altadena, we paid more attention to companies that serve the city. There are other reputable providers that didn't make the cut because they wouldn't be able to serve homeowners in Altadena.

Work Quality

We're willing to bet that you're not looking for a company to do a shoddy job installing windows. We've vetted each installer featured on this list to ensure its technicians are well-qualified and that the company has gotten lots of positive customer feedback to vouch for its service.

Customer Reviews

Another self-explanatory yet super important review factor is customer feedback. If most customers don't have good things to say about their experience with a certain company, you won't see it featured on EcoWatch.

Cost

This one is a give-and-take: similar to other services, cheap window companies are not going to provide the most quality service. On the other hand, we want to ensure we're highlighting companies that provide a wide range of price and financing options so they're accessible to most homeowners.

Warranty

Protecting your investment in new windows is important. For that reason, window installation companies that have lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Last but not least, we like to see companies that have a proven track record in the industry. Window installation companies that have more years of experience will earn higher rankings by our standards. We like to see at least ten years of experience.