Most stair lifts have backup battery power which will enable it to operate in a blackout. Some units do not have backup battery, but you can purchase your own to install into the system.
Some popular stair lift manufacturers include SilverCross, Savaria, Bruno, AmeriGlide, and Precision Stair Lifts. Stair lifts can vary in price from $1289.99 to $2299.99. If you're looking to get a comparison on the different brands of stair lifts just google "Silver Cross Stair Lifts"
These websites - www.livingfreehomestairlifts.com/Stair and www.ameriglide.com/Stair-Lifts - offer a range of stair chair lifts at an affordable cost.
Home stair lifts are worth the money, because they enable physically disabled people ascend a stairway easily. The alternative route would be a home elevator, which is much more expensive to install and operate.
The company Bruno makes many different types of stair lifts. Bruno's has outdoor stair lifts, straight rail stair lifts, custom curved rail stair lefts.
Ameriglide stair lifts are most often purchased directly from the manufacturer, however other medical home help websites such as US Medical Supplies and Medical Supplies also sell the stair lifts. If you're located in Canada or the US Silver Cross Stair Lifts offers multiple brands of stair lifts. You can easily find them on Google.
You can find information on stair lifts by contacting a company that specializes in stair lifts and asking them questions directly. You can also find a company that installs stair lifts near you and visit their website to find detailed information on things such as the cost, installation process and how it works.
Stair lifts are much more likely to be used in homes with the elderly or disabled. There have been no overall statistic, but at least 10% of families with seniors 65 or older look into stair lifts.
Several websites have information on stair lifts: http://www.usmedicalsupplies.com/Stair-Lifts.htm or http://www.ameriglide.com/ or http://jamesonmedical.com/ should be helpful.
Stair lifts by manufacturers such AmeriGlide are said to be well favored by customers and incredibly easy to install. Electric powered stair lifts are said to be more difficult. However, battery powered stair lifts are easier for installation.
US Medical Supplies and Stair Lifts 4 Less both have listings for a variety of brands of stair lifts. Expect to pay at least $1200 for a stair lift. If you are trying to save money, ask the supplier if they have refurbished models.
US Medical Supplies offers AmeriGlide brand home stair lifts for wheelchairs for competitive prices, that may be reduced in price depending on your insurance coverage.
Stair lifts have a lift that will bring you up stationary stairs. Escalators are where the stairs themselves actually move up or down.