Choosing a refrigerant recovery vacuum service tool means balancing pump speed, included manifold hardware, and total kit price. The four complete pump-and-gauge sets here all handle refrigerant evacuation and charging, but their flow ratings and extras differ enough to change how you carry and connect them.
Quick Take
Four complete pump-and-gauge kits target AC and refrigeration service. The listed prices span $79.99 to $119.95. The kits differ in flow rating and included accessories, so the main task is to pick the one that matches the size of the systems you service.
What to Look For
When you compare these service tools, the useful differences are the flow rating, the pump's power, and what else arrives in the box. Flow rating tells you how fast the pump can pull air and moisture out of an AC system. The manifold gauge set is the part you use to read low-side and high-side pressures, and the included hoses, can taps, oil, or carry bag can turn a bare pump into a complete charging and evacuation kit.
Listed Price Comparison
| Product | Listed Price | Price Bar |
|---|---|---|
| OMT Combo 3.5CFM 1/4 HP Air Vacuum Pump HVAC Refrigeration AC Manifold Gauge Set | USD 79.99 | |
| 3.5 CFM HVAC Vacuum Pump 1/4 HP AC Manifold Gauge Set Kit R134a R22 R410A Auto | USD 89.95 | |
| AC Manifold Gauge Set 3 Ways Vacuum Pump HVAC Kit 4CFM 1/3HP Refrigeration Oil | USD 95.99 | |
| XtremepowerUS 3CFM 1/4 HP Vacuum Pump HVAC Refrigeration AC Manifold Gauge Set | USD 119.95 |
Decision Matrix
- Need the most pumping capacity in this group? Start with the AC Manifold Gauge Set with the largest flow rating listed.
- Need the lowest listed price? The OMT Combo is the entry point in the comparison.
- Want a kit with R410A compatibility in the title? The 3.5 CFM HVAC Vacuum Pump Kit lists R134a, R22, and R410A.
- Want a carrying tote? The XtremepowerUS kit lists one as part of the set.
Product Notes
AC Manifold Gauge Set 3 Ways Vacuum Pump HVAC Kit 4CFM 1/3HP Refrigeration Oil

The main reason to choose this kit is the 4 CFM flow rating, the largest pump capacity listed here. The package includes vacuum oil plus a manifold gauge set, and the pump description includes an oil sight glass and a cooling fan for heat dissipation. The listed refrigerant compatibility covers R134a, R22, R12, and R502. Its listed price sits above two of the other kits, so the extra flow comes at a higher outlay in this group.
OMT Combo 3.5CFM 1/4 HP Air Vacuum Pump HVAC Refrigeration AC Manifold Gauge Set

The strongest argument for this kit is the lowest listed price in the comparison. The set combines a vacuum pump with a 3-way manifold gauge, and the description highlights an all-copper motor, a shockproof gauge, pressure-resistant hoses, R134a quick couplers, and R134a can taps. A sight gauge and easy oil drainage are also listed. The 3.5 CFM rating is a step under the 4 CFM pump in this group, which matters if you want maximum evacuation speed.
XtremepowerUS 3CFM 1/4 HP Vacuum Pump HVAC Refrigeration AC Manifold Gauge Set

A carrying tote is the standout addition in this kit, and the manifold gauge set adds solid brass connections, 36-inch color-coded hoses, a heavy-duty hook, and a no-flutter gauge design. An R134a can tap is included too. This is the highest listed price in the group, and the 3 CFM flow is the lowest of the four pumps, so you are paying for the bundle and portability rather than a higher CFM rating.
3.5 CFM HVAC Vacuum Pump 1/4 HP AC Manifold Gauge Set Kit R134a R22 R410A Auto

This kit is the one to pick when R410A compatibility in the title matters for your service work. It lists R134a, R22, and R410A, and the features include ETL certification, a die-cast aluminum housing, an anti-slip rubber base, an oil sight glass, a built-in cooling fan, and a 4000 psi burst pressure. It comes as a complete HVAC diagnostic kit with oil and accessories. It has the same flow as the OMT kit but is listed higher in price, so the R410A reference and the extra listed details are the trade-off.
Final Recommendation by Use Case
- For the strongest listed pump capacity, choose the AC Manifold Gauge Set with the 4CFM/1/3HP pump.
- If price is the tie-breaker, choose the OMT Combo.
- For a kit that names R410A in the title, choose the 3.5 CFM HVAC Vacuum Pump Kit.
- For a carrying tote as part of the kit, choose the XtremepowerUS set.