Nadair ST Series Central Vacuum Systems

The Nadair ST Series is designed for condos, small homes, garages, and light residential applications where professional-grade performance is required in a compact footprint. These installer-only systems deliver strong suction, quiet operation, and long-term reliability.

Available Models

• ST-600-18B – Compact entry-level system
• ST-700-25H – Higher airflow with airflow regulation
• ST-700-35H – Same power as 25H with larger capacity

Key Features

• Installer-grade Nadair construction
• Thru-flow motor design
• HEPA or hybrid dust collection
• Quiet operation
• Compact vertical installation
• Up to 4,000 sq. ft. coverage (model dependent)

Model Comparison

• ST-600-18B: 600 Air Watts, 4.75-gallon capacity, up to 2,500 sq. ft.
• ST-700-25H: 700 Air Watts, 3.2-gallon steel bucket, airflow regulation
• ST-700-35H: 700 Air Watts, 9.25-gallon steel bucket, extended capacity

Specifications

• Voltage: 110V
• Motor: 5.7\" 2-stage
• Motor Type: Thru-Flow
• Sound Level: 62–63 dB
• Filtration: HEPA Bags / Hybrid (model dependent)
• Muffler: Yes (700 models)
• Warranty: 10 Years

Ideal For

• Condos
• Garages
• Studios
• Small homes
• Light residential installations

ST-700-35H

• HIGH PERFORMANCE: 700AW, 5.7’’ (14.5 cm) 2-Stage Ametek thru-flow motor
• SUCTION POWER: 141.2” H2O / 140.2 CFM
• SILENT SYSTEM: 63 dB
• DOUBLE NOISE ISOLATION: Noise isolating foam and integrated muffler for optimal noise reduction
• HYBRID CYCLONIC FILTRATION SYSTEM: Can be used with or without disposable filtration bags. Filters up to 99.97%
• LED INDICATOR: Displays the status of the unit
• BOTTOM LOAD CANISTER: 35L (9.25 Gal.), easy removal wherever it’s installed
• TOP AIR INTAKE: Easy to install on any existing piping network
• ROLLED STEEL CANISTER: Resistant to wear, corrosion and damage / Increases the lifespan of the unit
• HYBRID FILTRATION SYSTEM: 1 triple layer disposable filtration bag included – 1 permanent machine washable filter included (for bagless operation)
• DIMENSIONS: D 12.91”  x H 30.20” x W 12.52”
• WARRANTY: 10 years

ST-700-25H

• HIGH PERFORMANCE: 700AW, 5.7’’ (14.5 cm) 2-Stage Ametek thru-flow motor 
• SUCTION POWER: 141.2” H2O / 140.2 CFM
• SILENT SYSTEM: 63 dB
• DOUBLE NOISE ISOLATION: Noise isolating foam and integrated muffler for optimal noise reduction
• HYBRID CYCLONIC FILTRATION SYSTEM: Can be used with or without disposable filtration bags. Filters up to 99.97%
• LED INDICATOR: Displays the status of the unit
• BOTTOM LOAD CANISTER: 25L (6.6 Gal.), easy removal wherever it’s installed
• TOP AIR INTAKE: Easy to install on any existing piping network
• ROLLED STEEL CANISTER: Resistant to wear, corrosion and damage / Increases the lifespan of the unit
• HYBRID FILTRATION SYSTEM: 1 triple layer disposable filtration bag included – 1 permanent machine washable filter included (for bagless operation)
• DIMENSIONS: D 12.91”  x H 25.39”  x W 12.52”
• WARRANTY: 10 years

ST-600-18B

• HIGH PERFORMANCE: 600AW, 5.7’’ (14.5 cm) 1-Stage Ametek thru-flow motor
• SUCTION POWER: 140.9” H2O / 127.1 CFM
• SILENT SYSTEM: 62 dB
• DOUBLE NOISE ISOLATION: Noise isolating foam and integrated muffler for optimal noise reduction
• LED INDICATOR: Displays the status of the unit
• TOP LOAD CANISTER: 18L (4.75 Gal.), easy removal wherever it’s installed
• SIDE AIR INTAKE: Easy to install on any existing piping network
• ROLLED STEEL CANISTER: Resistant to wear, corrosion and damage / Increases the lifespan of the unit
• WITH A DISPOSABLE BAG ONLY: Must be used with a disposable bag and permanent protective filters at all times
• FILTRATION: 1 Mandatory triple layer disposable filtration bag included – 1 Mandatory permanent protective filter included
• COMPACT: Designed to fit perfectly in narrow spaces
• DIMENSIONS: D 11.42” x H 19.48”  x W 11.42”
• WARRANTY: 10 years