You tell us what is difficult
Not what product you think you need. The stairs, the front step, the bath, getting into the car. Working out the product is our job.
A call, not a sales pitch
Harmar · Stairlifts
Harmar SL350AC Straight Stairlift: 350 lb, Indoor
Priced for your home, installation included
An indoor straight stairlift that runs on standard 115V AC household current, the SL350AC mounts to the stairs rather than the wall, on either side of the staircase. Its carriage comes pre-installed on a section of extruded aluminum track.
- Up to 350 lb (track up to 15'9")
- Runs on 115V AC household current
- Mounts to the stairs, not the wall
- Controls at top and bottom of stairs
Answer a few questions and see the price for the job. We install in the 33 states we serve.
Questions? Call (844) 799-0070
Will It Fit Your Stairs?
The Harmar SL350AC Straight Stairlift is a straight stairlift. Find the shape that looks like your staircase.
This model
A straight staircase with no turn or landing.
Needs a curved rail
For any staircase with a turn, a landing, or a spiral. The rail is manufactured to measurements taken from your actual stairs.
Not sure which you have? The quote builder asks about your stairs
About The Harmar SL350AC Straight Stairlift
Capacity is 350 lb on track up to 15'9" and 250 lb on longer track up to 25'. It travels at 20 FPM on a cable drive and suits inclines from 35° to 45°. The padded seat is 17.5 x 14 inches, the backrest has three settings, and the fold-up 9.5 x 10 inch footrest sets at two heights; folded, it sits 14 inches from the wall. Rocker controls stop it as soon as they are released, and separate controls sit at the top and bottom of the stairs.
Options include a grocery basket, key lock, extra rail and flip-up armrests. It is not for outdoor use. Harmar's warranty is to the original purchaser, with the certificate returned within 10 days of installation.
Specifications
- Weight capacity (track up to 15'9")
- 350 lb
- Weight capacity (15'10" – 25' track)
- 250 lb
- Seat size
- 17.5" x 14"
- Footrest size
- 9.5" x 10"
- Speed
- 20 FPM
- Folded width
- 14" from wall
- Track length
- 15'9" standard, up to 25'
- Incline limits
- 35° – 45°
- Powered
- 24V AC
- Drive system
- cable drive
- Outdoor use
- no
Warranty
- Warranty is to the original purchaser
- Certificate returned to Harmar within 10 days of installation
- Labor for installation, repair or service calls is not covered
Installation
Our own technicians install and service it in the 33 states we serve. The quote builder prices the job for your home, installation included, and the site visit confirms the measurements.
Specifications and warranty terms are from the maker: harmar.com, cdn.harmar.com. Checked October 13, 2026.
Stairlifts We Have Installed
Photos from our own jobs. Not every photo shows this model.
How The Work Happens
Five steps. You can stop at any of them, and nothing is charged until you have said yes to a written scope.
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1 -
2 We come out and measure
On site, at your address, free. We check the space, the power, and the structure, and we talk through how the room actually gets used.
Free, and no obligation -
3 You get it in writing
An itemized scope and a price, with the lead time stated honestly. The price you agree to is the price of the job. Take as long as you like with it.
The price does not move -
4 Our technicians install it
Our own people, not a subcontractor, who stay until everyone who has to operate it can operate it confidently.
Our own crews -
5 We service it afterward
The company that installed it is the company that maintains it. You are not handed to somebody else once the invoice clears.
Same company, years later
What Our Customers Say
Google reviews of our company and our technicians, not of this one product.
★★★★★
4.6 rating of 101 Google reviews
Mason is a wonderful service technician! We live in “rural country” of NE Georgia and he drove all this way to get my Dad’s chair lift up and running. Thank you, Mason AND Custom Mobility!
As a fellow business owner, I have seen this company do all of their work with as much professionalism and tact as any that I have ever encountered. I thoroughly enjoy actually witnessing people who care about their work and show it through their actions, and the owner at Customer Mobility is the ep…
My Service Technician is truly the best! He responded within a day and he fixed the chairlift in less than an hour! It’s reassuring to know that we can depend upon Custom Mobility!
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Talk To A Mobility Specialist
Questions before you order? We will help you compare models.