An electric stair lift would be installed in a home when an individual living in the home does not have the physical ability to climb the stairs, or is afraid of falling down, while trying to access a higher level of the home.
You can get information here: http://www.stair-lift-review.com/
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.
While there are many stair lifts that might not run when the power goes off, some are battery operated and would still work. There are other kinds that are electrical, but have battery back ups as well that will run when the power goes off.
Handicap stair lifts can be purchased from a variety of places online. I would recommend acornstairlifts.ca. Sale prices range from $1500 to over $2000.00 depending on the model.
Stair glides, also called stair lifts, are becoming more and more popular with our aging population and the loss of mobility suffered by older people. The lift you will need will of course depend on the type and staircase you have. A good place to start, to get an overview of the variables and what's available, would be: http://www.silvercross.com/stairlifts.html
When I looked up "companies in Michigan that install stair lifts" I got a lot of results, I got results for everywhere from Detroit, to places I've never heard of such as Rochester Hills, Michigan. The best answer for a general question would be this website, it offers several different areas in Michigan, I hope it helps you. The website is: http://articles.directorym.com/Best_Stair_Lift_Michigan-r992622-Michigan.html
AmeriGlide is one of the leading brands in handicapped stair lifts. Based on excellent reviews from their thousands of customers, AmeriGlide would probably be the first place to check into for this line of purchase. However, other companies such as Innovative lifts an AWA Lifts also carry this item. The price range for a stair lift is anywhere $1200 to $2000.
A stair chair lift is needed to help a handicap person manage a staircase. I would visit Abbot Stair-Climbers and Chair Lifts 4520 East West Highway Bethesda, MD 20814-3319. The best place to look for a stair lift is Craigslist.com. In fact, there is one listed right now in Burke for $1500. If you have time before buying, wait and try to find the best deal on Craigslist before buying.
Chair lifts are usually installed locally by specific companies. In general you're going to have to use whichever lifts these companies are used to installing. The best course would be to use google maps to search near your location and find out who has the best chair lift available in your area.
A good use of electricity would be to use electric motors to drive the ski lift. Also, electric lights could be used to illuminate the area round the ski lift at night.
I'm aware of two, but you would need to buy the stairlift from them, though: Arrow Lift and AmeriGlide.
One will need a pulley to install a stair lift as well as many other tools. A screwdriver, hammer, and perhaps even a stair lift kit would also be helpful in installing a stair lift.