Kirby

Pros

• Exceptional deep-cleaning performance on carpets due to high airflow and aggressive brush rolls.
• Extreme durability; machines are known to last for decades and are often described as "tanks."
• Highly affordable on the secondary market, with used units frequently found for $50 to $200.
• Versatile attachment systems, including effective tools for pet hair and furniture like the Zip Brush.
• Manual height adjustment allows for effective cleaning on various carpet depths, including shag.

Cons

• Significant weight and bulk make them difficult to carry between floors or maneuver.
• Not recommended for homes that do not have wall-to-wall carpeting.
• The physical effort required to use them is high, with some users finding them "not fun or easy" to drag around.
• Older models may have inferior dust filtration compared to modern high-end vacuums.

Caveats

• Users strongly advise against paying full retail price from door-to-door salesmen; haggling or buying used is the preferred acquisition method.
• While newer models may be self-propelled, they remain "hefty" machines.
• The process of switching between floor cleaning and using attachments can be cumbersome compared to modern uprights.

Best for

• Homes with wall-to-wall carpeting or heavy rugs.
• Budget-conscious buyers willing to purchase a high-quality used machine.
• Users who prioritize mechanical longevity and repairability over lightweight design.

Avoid if

• You have physical limitations or find heavy appliances difficult to operate.
• Your home consists primarily of hard flooring.
• You have very limited storage space for a large, multi-component vacuum system.