1. Best Overall - Soniclean Soft Carpet Upright Vacuum Cleaner
Many people consider this Sonicare vacuum to be the best for cleaning shag carpets, and for good reason. Its large wheels make it easy to maneuver on deep, soft piles, and customers report that it is simple to push across any surface.
The 35-foot power cable and selection of accessories meet a wide range of cleaning demands, and the HEPA filter feeds dirt into a bag you remove and throw.
Adjustable vents on the brush roller's front are a unique feature that allows you to customize how much suction is applied to the carpeting.
It may be adjusted to a high setting for tall shag and a low setting for textured Berber, making it easier to maneuver. Soft bristle brush heads won't harm carpet fibers, and active sonic bar pulses against the shag, releasing even more dirt in a deep pile.
The flexibility to modify the motor strength to make this quieter for hardwoods and other solid flooring is a significant plus, according to reviewers.
However, as with other machines with large motors, the higher setting will produce some noise.
2. Best for Pets - Shark Rotator Powered TruePet Upright Vacuum
While we ranked this as the finest vacuum for homes with shag carpet and pets, this Shark vacuum offers a lot more versatility. The Lift-Away mechanism allows you to use the upright wand to reach under furniture or use it as a handheld vac for stairs. Even amid heavy piles, the swivel base makes it simple to turn and steer.
You can adjust the height and suction for both shags and solid surfaces with the flick of a finger if your floors have both. Between emptyings, the dust cup holds 3.3 quarts of debris. Air filters can be washed to save money in the long run.
This machine, according to users, is extremely quiet to operate. It's powerful, according to reviewers, and if you're not careful, it can suck in fibers from higher-pile rugs. Overall, it's an excellent cleaning tool for vacuuming pet hair off shags and other surfaces.
3. Best Robot - iRobot Roomba i7+ (7550) Robot Vacuum
This Roomba glides effortlessly across a variety of floor surfaces, including shag carpeting. While the air filtering technology is not HEPA rated, it is claimed to eliminate 99.9% of allergens while in operation.
It will autonomously return to its home base, charge, and empty into the base dirtbag when its battery needs to be recharged or its dust bin is full.
You can choose where it cleans and how often it cleans, so you can run it over the shag more frequently than other surfaces that don't collect debris as rapidly. It has powerful suction to extract whatever is stuck deep within your shag strands.
The dirt detection feature, which allows the machine to detect areas that require more cleaning, is popular among users, though some claim it does not perform as effectively as it should.
This Wi-Fi programmable iRobot can make your life a lot easier if you prefer the cleaning to be done while you're away from home.
4. Best Budget - eureka PowerSpeed Bagless Upright Vacuum Cleaner
To make the list as the best affordable model, the machine must excel in practically every aspect of shag vacuuming. With five height adjustments to travel from your shag rug to hardwoods, this Eureka fills the bill. It's a lightweight vacuum that's easy to use, and people love it for its cleaning power, ergonomic design, and accessories.
It doesn't use bags, instead choosing an extra-large one gallon dust cup that you can remove and empty with a lever. With a 25-foot power chord and a seven-foot (when extended) hose, you can easily reach into corners.
The cleaning path is over a foot wide, which eliminates the need for many passes that smaller equipment would necessitate.
The vacuum's excessive noise level when operating is the most common issue among reviewers.
Others have expressed worries about the machines' build quality, which they describe as "cheap plastic," despite the fact that they appear to be sturdy when used regularly. The efficiency of this equipment at such a low price is unbeatable.