New York Window  Contractor  :  Okna Replacement Windows  :  Window Installation

Just Exterior Plus
Replacement Windows Contractor

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When selecting your new windows be sure to ask about the Energy Rating Label from the National Fenestration Ratings Council (NFRC). Each label includes a rating for the U-Factor and Solar Heat Gain. These rating numbers help consumers identify the heat loss or gain a window sustains. These ratings are important because your new windows should help control the temperature regulation throughout your home.


U-Factor measures heat loss and heat infiltration through conduction, while Solar Heat Gain measures heat gain through UV rays. A low U-Factor rating indicates your new windows are well insulated and resistant to heat flow, helping keep the warmth in during the winter and the cool air in during the summer.

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Windows for All Budgets

Okna Replacement Window Installation NY

When it comes to windows, making a decision can be very confusing.

There are so many choices, and they all seem the same!

What should you consider first?Price, company, manufacturer, looks, or construction?

What about wood, vinyl or fiberglass? Which is better?

Just Exteriors Plus makes it easy and affordable for you to upgrade your windows and siding. In addition to installing home improvement products that make your home more attractive and energy efficient, we focus on quality, completing our work quickly, and staying within your budget. No matter what type of project you have in mind – whether it’s replacing your home windows with new ones that help reduce your energy costs or transforming the exterior of your home with new siding – our promise is very simple. We can provide you with superior products, professionally installed, at the right price.

Windows by OKNA 

Advanced Technology With Old World Craftmanship
OKNA Evergy Saving Replacement Windows NY

Exceptional Energy Savings

Our Energy Saving Windows are designed to stop drafts and make your New York home much more comfortable and energy efficient.

OKNA Eco Pro Replacement Windows for NY

OKNA "ECO-PRO" Windows

The Okna 600 series is one of the most air tight windows in the industry and was designed to last decades and make your home as efficient as possible. Excellent high performance glass. 

Enviro-Star Replacement WIndows NY

ENVIRO-STAR Windows

 Also called the Okna 800 Series. The most Energy Efficient windows in the industry and are specifically designed to meet the demanding weather conditions in the northern New Jersey area.

Just Exteriors Plus doesn't just sell a window, install it and leave! 

Most companies give a simple one-year warranty. We give a 10-Year Warranty!

We always use closed-cell foam in the air pockets around the new window, and we install from either inside or outside. If we're installing from inside, drop cloths are used to protect floors. We vacuum any dust or debris we cause. In addition, we cap the outside frames, caulk all joints with a paintable silicone and thoroughly clean up. Our single goal is your complete satisfaction.


Just Exteriors Plus is an EPA-certified lead renovation and repair company.

We follow all state and federal guidelines set by the EPA to ensure your family is safe during and after the process.  

We Are Committed 100% To Customer Satisfaction

Just Exteriors Plus has the product, knowledge, expertise and attention to detail you deserve.