The quality of folding treadmills has improved greatly in the past few years, according to expert Fred Waters. A folding treadmill is a great solution for smaller living spaces or multi-purpose rooms. Look for stability, ease of folding, weight capacity, and warranty.

Image provided by Smooth FitnessRated a best buy for 2006 by TreadmillDoctor.com in the under $1500 range. It is a stable folding treadmill with a 2.75 HP motor. Handgrip pulse monitor. Operates from 0.5-10 MPH with 15 levels of incline and 8 preset workouts.
The 3.5 HP continuous duty motor is the biggest in this price range. It is rated for users up to 400 pounds. The Sole F85 has both grip EKG and chest heart readouts. Comes with 6 Standard, 2 User Defined and 2 Heart Rate programs. Rated third runner-up in the $1500-$2000 category by TreadmillDoctor.com for 2005-06, who calls it "one of the best fold-ups on the planet."
A leading consumer magazine ranked this a best buy in 2006. It has a weight capacity up to 300 pounds. It has 15 programs and both grip pulse monitor and wireless heart rate monitor. Readouts: speed, time, distance, incline, calories, heart rate. It has a 3.0 HP motor.
It's in the mid to high price range, but TreadmillDoctor.com says this is the best foldup ever made and gives it the top foldup award for 2006-07. It's a serious treadmill for those who need a foldup.

Image provided by Smooth FitnessConsumerSearch.com prefers the Smooth 5.25 in this price category, and Treadmill-ratings-reviews.com gives it their "Best Buy" rating. It has a heart-rate monitor on the handgrip, a 52" x 20" belt, and it folds up for storage. The Smooth warranty is excellent - 3 years for the motor and parts, lifetime for the frame.
A folding treadmill with a 2.5 HP continuous duty motor, for speeds up to 11 mph and inclines up to 15% It has both wireless chest strap heart rate monitor control and pulse grips. Rated as a first runner up for this price category by TreadmillDoctor.com in 2004-05.

Smooth FitnessThis is the update to the Smooth 7.1, top-rated for the budget category by TreadmillDoctor.com, with the price bumping it up into the mid-price category. It is a very stable folding treadmill with a 2.75 HP motor and lifetime warranty. Has a heart rate pulse grip and wireless chest strap. Six pre-set programs, including heart rate control. Nine user profiles - user can store their weight, height, sex and target heart rate.
Given Second Runner-up in its price category by TreadmillDoctor.com for 2006. This folding treadmill has a big 3.0 HP motor and a 30-year motor warranty. It has heart rate control and multiple programs. Weight capacity is 300 pounds.
Come tell us about your experiences with these treadmills and other models in the Walking Forum. Read the reviews from other treadmill users.