Curved Stairlifts

Helix Full view of Harmar CSL500 Helix stairlift demonstrating its elegance and functionality Harmar CSL500 Helix stairlift with focus on footrest and safety features Harmar CSL500 Helix curved stairlift, showcasing curved rail design Harmar CSL500 Helix stairlift featured in a home environment Another perspective of the Harmar CSL500 Helix stairlift on a curved staircase Close-up detail of Harmar CSL500 Helix stairlift's rail and chair Alternate view of Harmar CSL500 Helix stairlift emphasizing comfort and design


Curved Stairlifts

  • Homes (Residential)
  • Commercial

Curves, landings, tight turns – oh, my! The Helix curved stairlift is a great solution to help you access every floor in your home with ease, no matter the configuration. These lifts are custom-made to perfectly fit your unique staircase and your home’s décor.

  • Fabricated to perfectly fit your unique staircase
  • Quiet, smooth ride
  • Comes with remote controls to call/send seat
  • Equipped with swivel seat for easy and safe entry and exit at upper landing
Retractable seat belt
for a clean look when
lift is not in use
Optional emergency stop
Non-skid footrest for
additional safety
Flat seat designed for easier
transfer to and from lift


  • Narrower profile
  • Extremely quiet, smooth ride
  • True-Curve rail with advanced bending technology creates smoother turns
  • Supportive, ergonomic seating
  • Simple-connect rails and lighter chassis for easy installation
  • Weight Capacity
    350 lb
  • Speed
    20 FPM
  • Track Length
    16', 18' and 24' standard depending on configuration
    Extra rail up to 164'
  • Incline Limit(s)
    up to 60°
  • Seat Size
    19" x 15"
  • Footrest Size
    11" x 12"
  • Folded Width
    16" from wall
  • Drive
    Steel rack and pinion
  • Certified
    ETL listed
    CSA B44.1/ASME A17.5
    Safety standard ASME A18.1
    Rated commercial & residential
  • Safety Features
    • Direction limit switches
    • Final limit switch
    • Footrest obstruction sensors
    • Seat swivel interlock
    • Constant pressure controls
    • Retractable seat belt
    • Chassis obstruction sensors
    • Overspeed brake
  • Options
    • Emergency stop
    • Key switch
    • Additional call/send
    • Additional charging station
    • Black or beige rail, chassis, upholstery
    • Outdoor package
  • Warranty
    Limited lifetime
    2-year parts
    1-year battery
No Accessories Available.

Available Documents & Literature

Dealer Project Photos

*Every Helix is custom designed and built to be one-of-a-kind. Harmar certified dealers take a series of pictures to provide valuable data to Harmar engineers. Only appropriate photography from established dealers will be reviewed. If you need quote, call Harmar today and we’ll connect you to a dealer in your area. 800-833-0478

Upload project images

California Prop 65 Warning Notice

Warranty : Limited lifetime: Drive system, structure
2-year parts
1-year battery

Get assistance from your local knowledgeable
Harmar dealer!

Consultations are available over the phone, online, or in person.

“My Helix was made just for me. Most importantly, it was made for my independence, confidence, my quality of life.”

“I never thought I would find a lift to fit my winding steps. They’re so tight! But a great team came in and measured and got everything set so Harmar could start on my lift. I love it and feel so safe going up and down the steps in my home.”

“I was so excited when they came to install my lift. And then when I took my first trip? I have my independence back and full access to my house!”


Make it yours with these accessories and options!

  • Emergency stop
  • Key switch
  • Additional call/send
  • Additional charging station
  • Black or beige rail, chassis, upholstery
  • Outdoor package