Numerous brands of central vacuums were reviewed and Drainvac DV1R700-F was one of the highest rated vacuums listed followed closely by the Electrolux ZCV900, both receiving a score of 5/5.
Although Drainvac DV1R700-Fand Electrolux ZCV900 received the same score, they differed in cost. Electrolux was listed as two dollar signs on the chart versus Drainvac's four dollar signs. Both vacuums were within 60 watts and 1 gallon of each other. The Dust Care DCC-3000C came in third with a rating of 4.9/5. The Dust Care boasted 1800 air watts and a significantly larger dirt capacity of 12 gallons. The Dust Care used a micron filtration system while the rest used cyclonic.