Thermal Insulation

•Indow Window inserts combined with a single pane window provides 94% of the thermal insulation (R-value) of standard double pane replacement windows.


Seals Out Drafts and Heat

•The tight seal between the Compression Tube and your window frame provides industry leading performance, keeping the cold drafts or heat at bay.  Indow Window storm inserts provide superior comfort.

Designer Specialty Products, LLC • 5001 Drew Avenue North • Brooklyn Center, MN 55429     PH: 763.231.0882

• Indow Windows cost effectively reduce heating energy consumption by almost 20%, delivering superior 
comfort that keeps you from dialing up your thermostat


• Windows are almost always identified as the number one source of energy loss and discomfort. Insulating 
single pane windows with Indow Windows can have a huge impact on the temperature balance in your home, 
reducing drafts and warm/cool air loss and increasing comfort (easily). 


• The cost of replacing windows easily exceed most budgets. Indow Windows delivers comfort without the 
construction and cost of replacement windows. Insulate your windows and build that new bathroom! 


EAsy Inside Storm Windows.


This short video shows you how Indow Window inserts fit within your window frames, how easy they are to install, how they work as well as the key benefits our customers enjoy.