Storm windows costs and choice

Adding a storm window to a primary window provides energy savings and is typically cheaper than a replacement window.

Inexpensive, mid-priced and expensive storm windows

The most inexpensive type of storm windows are basically cheap plastic sheets (rather equivalent to window films), installed in the interior of the primary windows, designed for just one or some few seasons.

Mid-priced storm windows are glass units; these class of storm windows include custom storm windows with different features (see: Exterior and interior storm windows).

The most expensive type of storm windows are exterior ones with high-quality glasses or special plastic sheets.

Storm Windows Prices

There is a large offer of storm windows available in local distributors and directly from manufacturers. Prices vary with their type and features.

Cheap interior storm windows made from plastic sheets are very inexpensive….

Storm Windows Kits Storm window kits with glass panes or good plastic sheets for DIY installation involve very low prices: $60 or less for a 60"x 30" window...

Custom storm windows are more expensive. Prices between $150-$200 (installed) are very common.

Prices above $200 for more sophisticated storm windows are also possible.

Temporary vs. Permanent Storm Windows

Storm windows can fulfill several goals and needs. Some versions are designed just to seasonal or temporary uses (during the harsh periods of the year). But there are also permanent storm windows, involving sashes, screens and other elements of the common windows.

Image (from Marvin): The key elements of some interior storm window kits.

Plastic Vs. glass Storm Windows Costs

Most interior storm windows with plastic panels (acrylic and plexigas storm windows) are inexpensive and easy to install, but they are prone to scratching and degradation over time (yellowing….).

Glass pane storm windows offer a longer lifespan, more effectiveness and are aesthetically preferable.

Storm Windows Frames

Wood-framed storm windows are relatively expensive and require more maintenance.

Aluminum storm windows, unless with thermal breaks, are inexpensive but also rather inefficient in terms of energy savings.

Vinyl is relatively inexpensive but environmentally-unfriendly, and prone to warp.

See, for more details: Wood, vinyl and aluminum storm windows

Special Features

When buying, take into account the storm window designs and features. Some features may not deserve the extra cost of the storm windows, but others can be crucial for efficiency, ventilation, comfort or a longer lifespan...

Some storm windows are removable (an important feature for natural ventilation during good weather) and many can be customized to fit the shape and dimensions of the windows.

Many interior storm windows have mounting brackets to fasten them to the interior primary window frame. Some have detachable glass/acrylic panes, which can be energy-efficient low-E glazing – an important feature to ensure high energy savings and to reduce the UV damaging effect on furnishings.

Storm Windows Warranties

If you want a lasting storm window, pay close attention to the frames, sashes and seals. Magnetic tapes and other adhesives do not last long. Prefer models with other means of attachment. They can be slightly more expensive and more tricky to install, but they deserve the cost.

Storm windows warranties vary by manufacturer, type and cost. Mid-priced storm windows with warranties between 5 and 10 years are common. Low-cost storm windows don't have warranties...