Decoding New Windows

New windows can make a huge impact on your home. Not only can installing new windows make your place look better, but those windows can also make it a lot easier to heat and cool as well. Sure, replacing old windows can eliminate drafts, but that’s only a small part of how installing new windows can increase your home’s energy efficiency.

Information about the efficiency of new windows is printed on a sticker that’s attached right to the glass. Unfortunately, if you don’t know what you’re looking at then these stickers may raise more questions than anything. If you need a little help understanding exactly what you’re looking at on your window sticker, here’s a rundown of everything you need to know.

What’s the U-Factor?

When looking at window stickers, two values are listed as “Energy Performance Ratings.” The first of these is the U-Factor, which provides information about the insulating ability of the window. This is similar to the R-Value that you find on insulation, and the U-Factor value will usually be somewhere between 0.20 and 1.20 on new windows. The lower this value is, the better the window is at insulating your home and preventing heat transfer between the inside and outside. If you want to think about this in terms of R-Value instead, simply divide 1 by your U-Factor value and you’ll end up with the corresponding R-Value (so a U-Factor of 0.20 would correspond to an R-Value of 1 ÷ 0.20 = 5, while a U-Factor of 1.20 would correspond to an R-Value of 1 ÷ 1.20 = 0.83.)

What About Solar Heat Gain Coefficient?

The other value listed under “Energy Performance Ratings” is the Solar Heat Gain Coefficient (SHGC). This measures how much heat is transferred through the window from sunlight (as opposed to the air heat transfer that is indicated by U-Factor.) The SHGC scales between 0 and 1, with lower values indicating a greater ability to block heat transfer from sunlight.

What Is the Visible Transmittance?

Beyond the “Energy Performance Ratings” entries on a window sticker, three other values are also provided to help you choose the window that best fits your needs. One important listing among these additional performance ratings is Visible Transmittance (VT). As with SHGC, the VT of a window scales between 0 and 1. In most cases you will want a high VT, however, as it indicates how much light passes through the window glass to provide daylight for your home.

What’s the Condensation Resistance Rating?

As the name suggests, the Condensation Resistance (CR) rating of a window indicates how well it can resist the formation of condensation on its surface. This not only indicates how likely you are to experience “fogging” and liquid condensation but can also indicate the likelihood of frost formation in the winter as well. This rating ranges from 1 to 100, with higher CR numbers indicating a greater resistance to condensation.

What Does Air Leakage Mean?

Another important performance rating is Air Leakage (AL). As the name implies, this measures how much air can leak through the window and affect the internal climate of your house. These values typically scale between 0.1 and 0.3, with lower values indicating a smaller amount of air leakage. One thing to keep in mind is that this is considered an optional rating, meaning that not all manufacturers will provide AL data; as a result, some window stickers might only have ratings for the other four values.

Need Help Crunching the Numbers?

Even knowing what the numbers on your window stickers mean, finding the window that has the best balance of these values for your home can be tricky. If you aren’t sure which windows to buy, let the pros at HomeKeepr help you find the perfect window for your needs. Because our system is built on recommendations instead of generic ratings, you can rest assured that the professional you choose will be just the right fit.

Smart windows

Everything’s getting smarter these days. Everything. Not only are smart appliances, smart outlets, smart light bulbs and smart TVs gaining traction, smart windows are all the rage among the techy types. They can also be a really useful part of your home automation setup.

They’re not for everybody and there are differences in what various types can do, though, so pay attention and research the windows of your dreams well before you choose one for your home.

How Do You Make a Window Smart?

There are actually several different types of windows currently using the moniker “smart.” Some, like those produced by Marvin, are simply regular windows fitted with smart locks at the factory. There’s little else that they do than a traditional window doesn’t besides let you know that you left the kitchen window unlocked.

If this is a concern because you have a child that might climb out a window or a teenager known to slip out of the house that way, this might be a solution for you, but it’s hardly touching what other smart windows can do.

Some of them can generate their own electricity. Who’s smart now?

Smart Homes Made Smarter With Smarter Windows?

There are many of the mindset that we’ve all gone a little wild with the “smart” stuff in our homes. Who really needs a smart toaster? Or a microwave that you can turn on with Alexa? What’s the point of smart switches when you have a smart light bulb?

There are so many questions. But the truth is that smart windows can have a big impact on your living space and your happiness. The smart windows with lock sensors can make it easier to sleep at night, which is always great, but other smart windows can literally change the feel of the room, no matter what time of day.

Before you run out to buy yourself some fancy smart windows, keep these items in mind:

Energy efficiency is a big part of many designs. Lots of smart windows are designed to help you get the most out of your utility dollars. Many can change color based on different environmental factors, like bright sunlight or especially dark days. This way, your home stays reasonably easy to heat and cool and you can have lots of big windows without lots of big curtains.

Smart Windows can do lots of different things. The fact that a smart window can simply be a window with a smart lock or a window that changes tint to help keep your utility bills low is only the beginning. Smart windows can also double as solar panels. It’s true!

They’re not cheap, but that’s not the point. The smartest of the smart windows may come in at around $1,000, making a whole home window refit unbelievably expensive, but that’s not really the point at this time. Right now, the “cool” factor and their ability to save energy are really what buyers are getting out of these advanced windows with their connected features. Early adopters make it possible for these kinds of technologies to fall in price over time, opening up the market even wider.

For homeowners interested in smart windows that have responsive glass but terrified of their price tags, it might make sense to put the windows in rooms that get extra hot or cold (just be sure to match the style of the windows in the rest of your house), rather than doing a whole home install that can become hugely cost-prohibitive.

Looking for the Smartest Window Installers Around?

There might be smarter installers, but no one installs a smart window better than the smart window experts in the HomeKeepr community. You get all the advice you need to make the right decision and support from purchase through install and often even for the lifetime of the window. Just ask your Realtor to recommend a smart window installer for you, then give them a call. Tell ‘em HomeKeepr sent you!

Is it time for new windows?

Whether you just bought your home or you’ve owned it a while, it can be easy to overlook the windows that open it up to the world, as if they didn’t even exist. Even if you don’t, you probably know that a lot of glass and natural light is awesome, but it comes at a cost. As windows age and homes settle, windows can distort ever slow slightly. It’s not enough that you’d notice, at least until the first cold blasts of Arctic air are blowing into your home.

Short of waiting for a major blowing snowstorm, how can you if it’s time for new windows? And what do you do if it is? We’ll walk you through it. Read on, reader!

Signs Your Windows are Giving Up the Ghost

When it comes to the big things in your house, windows are pretty huge. On the hassle scale, replacing windows is up there with a new roof or trying to retile the busiest room in your home. Unfortunately, these are all jobs that you’ll eventually need to tackle, but sometimes you can make repairs rather than start a replacement project that will eat up your money, your time and turn your home into a construction zone.

Starting at a few hundred dollars each, a house full of windows can be a huge investment that you’re unlikely to get back. Before you go window hunting, check this list to see if buying new windows is the right move after all:

Are your energy bills climbing or already high? A significant rise in your utility bills over the last year, or even five years, that comes from an increased use of power or gas and not simply a rate hike means you’re leaking somewhere. Windows are often the culprit. If you can borrow an infrared camera, you can track exactly where the energy loss is coming from. If you don’t have a friend with such fun toys, many home pros offer this service. Check HomeKeepr for a referral.
Are they tricky to open or won’t stay open without a prop? Really old windows may have a problem staying open because their corded weights have broken after decades of use and fallen into the interior space between the window and the wall. Newer windows might refuse to close because they’ve shifted ever so slightly. Either way, these are windows that are a huge pain to operate. That alone can be a good reason to replace them.
Can you hear your neighbors when you’re indoors? Cars, kids and pets, they’re all part of living in most communities, but they also make a lot of noise. Good quality windows will help reduce the volume, though none can block noise entirely. If you can hear your neighbor’s car like it’s in your own driveway, you definitely need to consider a window replacement.
Do you wake up to condensation between the window glass panes? A small amount of condensation isn’t really anything to worry about, but when it’s widespread or happens every day and hangs around for most of it, your window pane seal has probably been compromised. Sometimes you can contact the manufacturer or the reseller where the window came from and order a replacement pane, but they can be difficult to install and costly, which is why many people choose new windows at this stage. A window with a busted seal is one that’s costing you serious cash. The air trapped between those two (or three) panes of glass act as insulation, reducing the rate at which the window cools.
Is there extensive damage? Sometimes the damage to your windows can’t really be seen until you open them up, examine moving parts closely and, when necessary, remove some trim to look for rot that’s hidden inside the wall. Small sections of damage can sometimes be repaired, but larger areas indicate that you need to fix whatever cause the damage in the first place and then replace that window with one that’s new and healthy.
What if My Windows aren’t Damaged?

If your windows are in great shape and the only problem you’re having is heat loss, you can do a few different things to maximize your efficiency when the cold wind blows. Those include:

Winterizing. Go around the house and seal up all the nooks, crannies and cracks you might find. A new bead of caulk around each window and door and along all the trim will help reduce drafts.

Sticking up window insulation film. For a temporary fix this winter, you can install window insulation film on the cold windows in question. When installed properly, you can barely tell there’s anything between the room and the window.

Installing heavy curtains. Like a warm blanket on a cold night, a thick insulating curtain can help reduce both heat loss and drafts. The only catch is that you have to keep them closed, which can make your cabin fever burn this winter.

Do You Know Who to Call for New Windows?

When it’s time to put new windows in your house, you don’t have to look any further than your HomeKeepr community for a window installer that you can trust. After all, your real estate agent recommended their favorite subcontractors, people they know will do a professional job each and every time.

7 things to consider when considering new windows

The first few years of owning your home mean discovering lots of things about it. Every house is different and some almost seem like they have a personality of their own — which isn’t too surprising since they have literally thousands of individual parts that can combine their own quirks in nearly endless ways. Although plenty of these combos create something beautiful, it’s never a guarantee.

Take your windows, for example. As your home shifts and ages, your windows can end up being a huge source of drafts and thermal loss. Sure, you can weatherstrip them and recapture some of that warmth, but ultimately, window technology will leave you behind if you put off replacing those windows for too long.

Windows: Here’s What You Need to Know

Shopping for windows is kind of like shopping for a car. It’s a big investment, you may not know a whole lot about what you’re buying, but you absolutely know that you need to replace your old one(s). You don’t have to go it alone, though. You can take this list of seven things to consider and consult it before pulling out your Visa or Mastercard.

Window configuration and features. Not only do windows come in a huge variety of shapes and sizes, they also come with lots of different features. Simply matching the new windows to those of your existing ones is generally a good bet, but features that newer windows offer, like double hung windows with tilt-in glass sections, can give you added functionality inside the original framework.
Frame materials. Depending on your window budget, you may have a pretty wide selection of materials to choose between. Vinyl and composite windows tend to be popular choices since they neither sweat nor require a lot of maintenance throughout their lifetimes, but other materials like aluminum and wood are commonly used in frames, too.
U-Factor: The U-Factor tells you just how well the window insulates by reducing the rate of heat transfer. You’ll find windows with U-Factors from about 0.25 to 1.25 Btu/h-ft²-°F.. Choose the lowest value that fits reasonably into your budget because the lower the value, the better it’ll insulate.
Solar Heat Gain Coefficient (SHGC): Like the U-Factor, the SHGC is a measurement of how well a window insulates. But this time, we’re talking about how hot the sun makes the window and then how much of that transfers into your home. SHGC, in short, is how well the window blocks incoming heat. Interestingly enough, both ends of this figure can be of use to different kinds of homeowners. If you own a house that uses passive solar heat, you’re going to want to take advantage of this property and go for the highest number you can find (on a scale of 0 to 1). Homeowners with more traditional setups will want the lowest number their money will buy.
Air Leakage (AL). Those drafty drafts are often caused by a property known as air leakage. Windows are tested for just how much air passes through the joints while in the factory. The less air leakage, the better, obviously. Industry standards require an AL at or below 0.3 cf-m/ft².
Visible Transmittance (VT). Because windows are full of neat and precise measures these days, it’s possible to have a window that blocks outside heat without blocking all that precious light. The visible transmittance is the figure that tells you just how bright your room will be after this window goes in. A higher number (on a 0 to 1 scale) means more light.
Condensation Resistance. Although it’s a much smaller concern than the four performance ratings above, condensation resistance should be taken into consideration before you pony up the window dough. Measured on a scale of 0 to 100, the highest figures resist condensation better than those lower down.
What Do Windows Cost?

Of all the possible non-answers to this question there could be, this might be the worst. Windows cost varies widely by size, material, insulating factor and number needed for your home. As aggravating an answer as that may be, a quick flip through your favorite home improvement store catalog will back it up.

A joint report from the National Association of Realtors and the National Association of the Remodeling Industry estimates that replacing old windows with new vinyl windows will run a homeowner around $18,975 or about $35,000 for wood windows.

Since this report is more about return on investment, though, the additional data provided indicates that your money is well-spent: 79 percent of the cost is recovered at the sale for vinyl windows and 57 percent of the cost of wooden windows comes back to your pocket.

Need Help Choosing and Installing Those New Windows?

Don’t worry, your HomeKeepr family has it covered. Just log in and check out the window installers that your Real Estate Pro has recommended for you! You know you can trust them because your Real Estate Pro has already built a solid relationship on your behalf. They’ll even help you pick your new windows if you can’t decide which to buy.