How much does this duct cleaning robot cost?

Factory-direct B2B pricing ranges from $2,550 to $8,500 depending on the model and configuration — typically 40-60% below comparable equipment sold through distributors. Request a quote with your project specs and receive a detailed price within 24 hours.

What is the minimum order quantity (MOQ)?

MOQ is 1 unit for standard models, so you can evaluate the machine on a real job before committing. Volume discounts apply from 5+ units, and OEM or custom orders typically start at 10 units.

Which applications is this model suited for?

Our robots handle duct diameters from 120mm to 1000mm across commercial kitchen exhaust, HVAC ventilation, and industrial pipeline cleaning. Models are optimized by application: CR360 for oil fume kitchen exhaust, K7S and K9 for HVAC systems, and E200 for large industrial pipelines.

How fast is shipping and delivery?

Free global shipping to major ports via express (3-7 days), air freight (5-10 days), or sea freight (10-15 days). All equipment ships in reinforced fumigated wooden crates with full transit insurance and local customs clearance support.

What warranty and support does Gaolijie provide?

1-Year Comprehensive Warranty on all machines covering manufacturing defects and component failures, extendable to 3 years. Free lifetime technical support via video call, email, and remote diagnostics. Spare parts ship within 48 hours from factory inventory.

Is the equipment compliant with industry standards?

Kitchen exhaust robots are built for NFPA 96 compliance for commercial kitchens, and explosion-proof models for oil and gas facilities meet ATEX requirements for hazardous areas. Compliance certificates are available on request.

Do you offer OEM or custom configurations?

Yes — OEM services include custom branding, color schemes, and packaging. We also configure robots to specific voltage requirements (110V/220V/380V), duct size ranges, and regional certification needs. Minimum order quantities apply for OEM customization.

1 18

GAOLIJIE

K7S AC Duct Cleaning Machine

Name: K7S AC Duct Cleaning Machine
Brand: GAOLIJIE

Gaolijie K7S AC Duct Cleaning Machine

The Gaolijie K7S is an all-in-one duct cleaning system for HVAC and air conditioning ductwork. It combines powered brushing, camera inspection, and vacuum collection into a single unit for use in office buildings, hotels, hospitals, and commercial facilities.

Technical Specifications

Specification	K7S
Duct Diameter Range	200–800 mm
Maximum Working Distance	30 m
Camera	HD with recording and timestamp overlay
Climbing Angle	30–35°
Cleaning Speed	4–6 m/min
Drive System	Tracked crawler, aluminum alloy frame
Control System	Dedicated control box with LCD display
Power Supply	Configurable: 110V/60Hz or 220V/50Hz
Vacuum Integration	Pairs with K8 HEPA dust collector
Weight	~85 kg (system total)
Warranty	1 year factory-direct

Application

The K7S is used for HVAC duct cleaning in commercial buildings — office towers, retail centers, hotels, and healthcare facilities. It is designed to handle the dust and particulate buildup common in air conditioning and ventilation ductwork, where dry particulate removal is the primary requirement.

Contact our engineering team for the complete datasheet, application-specific recommendations, and a factory-direct quotation.

Request Factory Quote Chat on WhatsApp

24-hour response — factory-direct pricing

Get Quote

Quick Quote Request

Fill in your details and we'll get back to you within 24 hours with pricing and recommendations.

Shipping & Delivery

Global shipping to 50+ countries via express, air, and sea freight. Every order packed in reinforced fumigated wooden crates with full insurance. Processing: 1-3 business days. Transit: 3-14 days depending on destination and method.

Warranty & Lifetime Support

1-Year Comprehensive Warranty on all machines. Extended plans up to 3 years available. Spare parts ship within 48 hours from factory inventory. Free lifetime technical support — video training, maintenance docs, and remote diagnostics included with every purchase.

Frequently Asked Questions

Is this machine right for my application?

Our robots handle duct diameters from 120mm to 1000mm, covering commercial kitchen exhaust, HVAC, and industrial pipeline cleaning. Contact us with your project specs for a tailored recommendation.

What comes in the package?

Robot body, control box, 20m cable, remote controller, HD camera system, LED lighting, tool kit, user manual, and warranty card.

Do you offer training?

Yes. Video training and documentation included. Live remote training sessions available at no extra cost.

How fast can I get spare parts?

Parts ship from factory inventory within 48 hours. Express delivery available for urgent needs.

View full details

CR360 duct cleaning robot front view — high-torque motorized brush system with adjustable speed control | Gaolijie

Technical Specifications

Brand: GAOLIJIE | Model: CR360
Overall Size: 300 × 300 × 155 mm | Body Material: 304 Stainless Steel
Working Voltage: 24V DC | Suitable Duct: 120mm – 1000mm diameter
Camera: 180° wide-angle HD | Lighting: Built-in 12V LED
Drive Mode: Dual crawler track | Travel Speed: 4–5 m/min
Waterproof Grade: IP67 | Climbing: ≥ 45° slope
Net Weight: 17.5 kg | Control Cable: 20 meters
Warranty: 1 Year Comprehensive | Testing: 48-hour continuous pre-shipment

Application Scenarios

Commercial Kitchen Exhaust
Heavy grease and oil fume duct cleaning for restaurant chains, hotel kitchens, and food processing facilities. Removes built-up deposits that pose fire hazards.
HVAC & Central AC Ducts
Large-building air conditioning duct inspection and cleaning. Navigates long horizontal and vertical runs with full camera documentation.
Industrial Pipelines
Factory ventilation, dust collection, and process piping systems. Handles heavy debris, metal dust, and chemical residues in demanding environments.
Preventive Maintenance
Scheduled inspection and cleaning programs for facility management companies. Full video documentation for compliance and insurance requirements.

📄

Product Catalog (PDF) Complete product lineup with specifications

📋

Technical Datasheet Detailed dimensions, electrical specs, and performance data

📘

User Manual Operation guide, maintenance schedule, and troubleshooting

Item added to your cart

K7S AC Duct Cleaning Machine

K7S AC Duct Cleaning Machine