4.5CFM 1/3HP Vacuum Pump for HVAC Systems, Single Stage AC Vacuum Pump

The VECOTOOLS 4.5CFM 1/3HP Vacuum Pump is an evacuation tool designed to clear air and moisture out of automotive and household air conditioning systems, as well as refrigeration lines. Built for DIYers and professional technicians tackling refrigerant work, it pairs a reliable 1/3 HP copper motor with a single-stage pump mechanism to provide steady airflow for everyday HVAC maintenance.

Its mechanical build focuses on heat management and practical handling. The pine green aluminum housing improves heat dissipation and resists corrosion during long service runs. A foldable ergonomic handle sits on top, making the pump easy to carry between vehicles or rooftop units and simple to tuck away in compact storage spaces when the job is done.

Several built-in features make routine operation straightforward. Dual intake ports measuring 1/4 in. SAE and 3/8 in. SAE provide out-of-the-box compatibility with common service hose sizes. The unit also includes a large oil sight glass so you can check fluid volume and condition at a glance, alongside an anti-backflow structure engineered to minimize oil return into the system.

As a single-stage pump, it serves standard evacuation needs well, but technicians seeking multi-stage deep vacuum capabilities will need to keep the single-stage limit in mind. You also need to add the included oil before initial startup, and the listing does not state specific details regarding total weight or power cord length.

Verdict: This pump offers a practical, ready-to-run setup for automotive AC maintenance and home refrigeration servicing. If you need a capable 4.5CFM evacuation tool with dual port sizes and included oil, it is a solid addition to your service kit.

• Flow Rate: 4.5 CFM
• Motor Power: 1/3 HP
• Motor Type: Copper motor
• Pump Design: Single-stage
• Housing Material: Pine green aluminum
• Intake Ports: 1/4 in. SAE and 3/8 in. SAE
• Included Accessories: Vacuum pump oil

A great fit if you:

• Service automotive air conditioners or household AC systems at home or on the job
• Need dual 1/4 in. SAE and 3/8 in. SAE hose connection options without extra adapters
• Prefer a pump with included oil and a clear sight glass for quick setup and monitoring
• Want a compact unit with a foldable handle for easy transport and storage

Consider something else if you:

• Require a two-stage vacuum pump for specialized deep evacuation tasks
• Need a pump that operates completely oil-free

Does this pump come with oil?
Yes, it includes vacuum pump oil in the package so you can fill the unit and prepare it for servicing right away.

What intake port sizes are available on this unit?
It comes equipped with both 1/4 in. SAE and 3/8 in. SAE intake ports to fit standard hose connections.

What type of motor powers this vacuum pump?
The pump is driven by a 1/3 HP copper motor designed to deliver stable airflow during HVAC and refrigeration work.

What applications is this vacuum pump suitable for?
It is designed for automotive air conditioning, household AC maintenance, refrigeration servicing, and general HVAC vacuum applications.