Here are some common questions you may have about AHT Windows and our services to our Wisconsin neighbors.
How long have you been in business?
Advanced Home Technologies was originally established in 1967 and has been family-owned and operated ever since, changing its name to AHT Windows in 2000.
How long will it take to replace my windows?
The length of time depends on the number of windows, size of windows, and ease of installation. Each of our windows is custom sized for the best, most secure fit. Please speak to one of our consultants for a personalized time quote.
How much will replacing my windows cost?
Window replacement cost depends on the number of windows, size of windows, and ease of installation. We’d be happy to provide a personalized, written quote once we’ve had a chance to look at your existing windows.
Just what is a replacement window?
A true replacement window is a window that’s custom built to fit within the opening of an existing window. It’s built to fit precisely and can be installed without disturbing the interior and exterior areas around the window.
What are the advantages of custom replacement windows over pre-made, standard-size windows stocked at home centers and lumber yards?
Because custom windows are made to fit perfectly, they provide the best energy efficiency (which saves energy costs) and install much more easily and with very little mess. Also, because of the myriad of options available that affect appearance and efficiency, custom windows allow consumers to design exactly the windows they need or want.
Standard windows typically cost less in the beginning, but other expenses and factors—like additional labor and the disruption to the home—far outweigh the original savings. For example, installing stock windows requires that you add brick or siding to the exterior, and drywall or other materials to the interior. In addition, custom-made windows allow you to choose the best solution to the problems you want to solve by replacing windows.
Do replacement windows really pay for themselves or is that just a sales line?
It’s true, if you select high-quality, energy-efficient windows. Savings will vary, but expertly engineered and well-built windows lower home energy consumption. With composite windows, maintenance is also virtually eliminated. No need to scrape and paint windows. These energy and maintenance savings will allow you to recoup your window investment over time.
How are replacement windows any different from older windows in terms of cleaning?
Many high-quality windows are actually engineered to make cleaning easier. For example, double-hung windows with the latest internal constant force balance system allow a homeowner to easily maneuver the sashes up and down. They tilt in—and lock securely in place—for safe, easy cleaning. Quite a difference from old wood windows that stick and are difficult to move up and down.
Will new windows eliminate condensation?
Actually, no. Condensation is moisture vapor suspended in the air, and that’s something no one can guarantee to eliminate. However, high-quality windows incorporating warm-edge technology glazing systems will help to reduce condensation because they’re much less thermally conductive than other window types. They can help keep the temperature of the window warmer—minimizing the hot and cold differences that turn moisture into condensation.
What makes a window energy efficient?
Numerous factors, including how the frame and sashes are engineered and built, the type of glass used (single-, double- or triple-pane), the weather stripping, the type of low-emissivity coating on the glass and the presence of inert krypton gas.
What is an R-value and how important is it in selecting windows?
Although the U-value is actually the important number in evaluating windows and doors today, most people are more familiar with the related concept of R-value (or R-factor). The R-factor of a window is the measure of its resistance to the transfer of heat flow. The higher its R-value, the greater its insulating ability.
What is a U-value?
U-value (or U-factor) is the measure of the window’s ability to conduct heat—in other words, the amount of heat transmitted through the window. The lower a window’s U-value, the better the window is at insulating your home.
What is Low-E and, how important is it to have it on your windows or doors?
Low-E stands for low emissivity and is a fairly new advancement in glass technology. Basically, it’s a microscopic, metallic coating—applied to a surface of glass—that reflects and re-radiates heat energy either into or out of a home depending on climate conditions. Using Low- E is an excellent way to increase the energy efficiency of a window.
What is krypton gas and why is it used in high performance windows?
An improvement that can be made to the thermal performance of insulating glazing units is to reduce the conductance of the air space between the layers. Originally, the space was filled with air or flushed with dry nitrogen just prior to sealing. In a sealed glass insulating unit, air currents between the two panes of glazing carry heat to the top of the unit and settle into cold pools at the bottom. Filling the space with a less conductive, more viscous, or slow-moving gas minimizes the convection currents within the space, conduction through the gas is reduced, and the overall transfer of heat between the inside and outside is reduced.
Manufacturers have introduced the use of krypton gas fills, with measurable improvement in thermal performance. Krypton is particularly useful when the space between glazings must be thinner than normally desired, for example, 1/4 inch (6 mm). The optimum gap width for krypton is 3/8″ (9mm). A mixture of krypton and argon gases is also used as a compromise between thermal performance and cost.
What is ENERGY STAR®—and what does it have to do with windows and doors?
ENERGY STAR is a U.S. government program—administered by the Department of Energy and the Environmental Protection Agency with the cooperation of manufacturers—that’s designed to reduce the consumption of fossil fuels through the education of consumers. The program covers many different types of products.
Windows and doors can only carry the ENERGY STAR label if they are tested by an independent laboratory through the NFRC program and meet specific, predetermined U-value ratings. By selecting ENERGY STAR products, you will reduce your energy costs and help make the environment cleaner.
What is the NFRC and what should I know about it?
NFRC stands for the National Fenestration Rating Council. It’s a program established by the U.S. Department of Energy to help consumers compare window products and options. Window manufacturers participating in the program are required to label every window to its specific thermal performance level. Customers are then ensured that the products they select meet the requirements for their application. Participation in the NFRC program is voluntary. Not all manufacturers participate because it requires outside third party inspection and extensive product testing.
How important is weather stripping?
Very. Weather stripping is important because it provides the barrier against air and water in windows and doors. It is the only element of operating windows or doors that make them reasonably air tight. High-quality weather stripping that’s applied and compressed properly really does improve the insulating performance of windows.
What are the different types of weather stripping, and what benefits do each offer?
Although there are many different types of weather stripping, they basically fall into one of three categories—woven piles, flaps, and hollow or foam bulbs. Which is best? That depends on the window style, design and application. Windows and doors that are expertly engineered are designed with weather stripping that creates the tightest possible seal and holds up to time and heavy use.
What is the difference between double and triple pane windows?
Triple pane windows offer an additional layer of glass, low-e protection, and insulation, which translates to a warmer house in the winter and cooler home in the summer.
What is Compozit?
Compozit is an environmentally friendly alternative to metal, wood, aluminum and other materials that don’t expand or contract with the change in climate. The durable material, used by NASCAR, Boeing and NASA, is 400% stronger than vinyl so it lasts much longer. Great for windows frames.
Will I really need a 50-year warranty?
You may not need a 50 year warranty. But wouldn’t you want the peace of mind that your windows will be covered as long as you live in your home? We offer our 50 year warranty on our windows to give you the comfort and confidence that your new windows will never need to be replaced again. The warranty is even transferable to the new owners if you sell your home, making your home more valuable. Some restriction do apply, so see your AHT consultant for details.
What is the difference between a 50-year warranty and “lifetime” warranties offered by other window manufacturers?
“Lifetime” warranties can exclude pieces and parts of the window, are often prorated, only paying a decreasing percentage of the cost to fix the problem based upon the time elapsed, and rarely transfer with the ownership of the home, leaving future tenants without protection. Our 50 year warranty includes all parts, is non-prorated, and is transferable to the new home owners within the 50 years.
What is a Workmanship Warranty?
A Workmanship Warranty covers the workmanship of the window installation. If the window is installed poorly or problems arise, these issues would be covered by the workmanship warranty.
Why should I hire you if I can do this job myself?
When problem occurs after windows are self-installed, the window manufacturer will often blame the issue on the installation job, relinquishing their responsibility to honor the warranty. By purchasing AHT Windows, not only do your windows come with a 50-year warranty, but a workmanship warranty as well, covering the workmanship of the installation job. Because AHT is involved throughout the process, you need never fear us passing the blame and voiding the warranty.
I burn wood in my home. Are your windows still OK for me?
Absolutely. AHT’s additional window insulation helps you burn less wood by retaining warmth longer.
Will new energy efficient windows help my house gain equity or resale value?
Absolutely. Not only will the increased curb appeal, and incentives of lower heating and air conditioning bills attract a higher bidder, but the transferable 50 year warranty might help you seal the deal.
Will new energy efficient windows help my house gain in value?
Absolutely. Not only will the incentive of lower heating and air conditioning bills attract a higher bidder, but the transferable 50 year warranty might help you seal the deal.
What if someone breaks into my home through an AHT window?
If someone breaks into your home through an AHT secure window, you will receive up to $500 towards the deductible of your insurance.
Will new windows decrease outside noise?
AHT’s customers have reported their new windows decreasing outside noise by around half. With the additional noise-buffering layers of glass in AHT’s triple pane windows, their observations seem well justified.
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We’d be happy to provide a free estimate. Just call us toll-free at (866) 602-7748, or click here to schedule a free, no-obligation in-home estimate.