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R-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with Gauge vs A/C Pro Ultra Synthetic A/C Recharge R-134a Kit

Both kits recharge an R-134a system the same way: a self-sealing can, a charging hose and a gauge. The A/C Pro Ultra Synthetic kit adds a leak sealer and claims 2x cooling boosters, and it has a reusable braided hose. The Super Tech kit is the cheaper, simpler top-off. The A/C Pro kit's price is not listed here, so compare it against the Super Tech kit's recent range of $22.32 to $24.96 before deciding.

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Super Tech
R-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with Gauge

R-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with Gauge

4.6· 2,493 ratings

Choose the Super Tech R-134A Recharge Kit if you just want a low-cost top-off with a gauge and don't need a leak sealer.

Pros
  • Low price for a can, hose and gauge.
  • Large review base with many reports of easy hookup and cold air.
Gauge helps avoid overcharging.
  • Sold without the WA/VT shipping restriction.
    • Cons
    • No leak sealer.
    • Some buyers got a partly empty can or a can that stopped spraying.
    • No written warranty.
    • Standard hose, not reusable braided.
    A/C Pro
    A/C Pro Ultra Synthetic A/C Recharge R-134a Kit

    A/C Pro Ultra Synthetic A/C Recharge R-134a Kit

    4.8· 92 ratings

    Choose the A/C Pro Ultra Synthetic kit if your system has a slow leak or you want the reusable braided hose and the stronger additive package.

    Pros
    • Leak sealer can fix slow leaks in hoses, gaskets and O-rings.
    • Reusable extra-long braided hose.
    • Claims 2x cooling boosters versus the next leading brand.
    • Higher rating, though from far fewer reviews.
    Cons
    • Cannot be sold or shipped to WA or VT.
    • Price not listed here, so value is unclear.
    • Only 92 ratings, so less proven.
    • Leak sealer is wasted on a system with no leaks.

    What separates them

    R-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with GaugeA/C Pro Ultra Synthetic A/C Recharge R-134a Kit
    AdditivesCooling boosters, acid eliminator, moisture eliminatorLeak sealer for hoses, gaskets and O-rings, plus acid and moisture eliminators and 2x cooling boosters
    Charging hoseStandard hose with analog gaugeReusable extra-long braided hose with gauge
    Can size12 oz can (18 oz container listed)18 oz
    Price$22.32 to $24.96 in early November 2026Not listed here
    Ratings volume4.6 out of 5 from 2,493 ratings4.8 out of 5 from 92 ratings
    Shipping restrictionsProp 65 warning, no stated state restrictionsIneligible for sale or shipping to WA and VT
    WarrantyNo written warrantyNot stated

    Price history

    $45.00$22.32
    Nov 1Nov 2
    • R-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with Gauge: lowest $22.32 on Nov 1 at Walmart; $24.96 on Nov 2.
    • A/C Pro Ultra Synthetic A/C Recharge R-134a Kit: lowest $45.00 on Nov 1.

    Prices at every store

    R-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with Gauge

    • WalmartCheck price at Walmart
    • WalmartCheck price at Walmart
    Prices and history →

    A/C Pro Ultra Synthetic A/C Recharge R-134a Kit

    No priced offers right now.

    Prices and history →

    Specs compared

    SpecR-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with GaugeA/C Pro Ultra Synthetic A/C Recharge R-134a Kit
    colorBlueBlack
    size12 oz18 oz
    Vehicle typeCarCar
    Container Size18 oz18 oz
    Container TypeCan, KitKit
    Regulatory ComplianceEPA Registration Number: 048168458462CA Compliant
    Refrigerant TypeR-134aR-134a
    Chemical FormulaR-134aR-134a
    Chemical CompositionUltra Synthetic R-134aUltra Synthetic
    Compatible WithAll carsAll cars
    Compatible carsCompatible with all automotive air-conditioning…—
    Vehicle fitment typeUniversal—
    Show all 35 specsShow fewer specs
    SpecR-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with GaugeA/C Pro Ultra Synthetic A/C Recharge R-134a Kit
    BrandSuper Tech—
    Vehicle makeall vehicles using R-134a air-conditioning syst…—
    Vehicle modelall vehicles using R-134a air-conditioning syst…—
    ManufacturerSRF LIMITED—
    Has written warrantyNo—
    Weight1 lb—
    MaterialB-134a—
    FlammabilityYes—
    AdditivesCooling boosters, Acid eliminator, Moisture eli…—

    What reviewers say

    R-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with Gauge

    With 4.6 out of 5 from 2,493 ratings, most owners find the kit easy to hook up and say it gets the A/C cold again. A few report a can that arrived partly empty or a unit that stopped spraying after about 15 seconds.

    Pros
    • Easy to hook up and use
    • Works as described and gets the A/C cold
    • Included gauge helps avoid overcharging
    • Good value for what you get
    Cons
    • Bottle arrived not full
    • Stopped spraying after about 15 seconds

    A/C Pro Ultra Synthetic A/C Recharge R-134a Kit

    Owners rate it highly, at 4.8 out of 5 from 92 ratings, and most describe cold air returning within minutes of a top-up. Complaints center on the gauge reading and on kits that did not fix a system with a larger leak.

    Pros
    • Cold air returns quickly on a low but healthy system
    • Gauge and hose make it a true one-box job
    • Leak sealer holds small leaks for a season or more
    • Cheaper than a shop recharge for a simple top-up
    Cons
    • Gauge can be hard to read or reads inconsistently
    • Does little for systems with a big leak or dead compressor
    • Easy to overcharge without weighing the can
    • Restricted shipping in some states
    Reviews
    • Useless

    Questions and answers

    Which kit is better for a slow leak?
    The A/C Pro kit. It includes an additive that seals leaks in rubber hoses, gaskets and O-rings. The Super Tech kit has no sealer, so a leak will keep losing refrigerant.
    Is the A/C Pro kit worth the extra cost?
    Only if you need the leak sealer or want the reusable braided hose. For a simple top-off on a tight system, the Super Tech kit does the same job for $22.32 to $24.96 in early November 2026.
    Do both work on any car?
    Both are for R-134a systems only. Check the label under your hood first; newer cars often use R-1234yf, which neither kit fits.
    Which has the better gauge?
    Both include an analog pressure gauge on the hose. The A/C Pro hose is longer and braided, which is easier to route, but the readings work the same way.
    Can I buy the A/C Pro kit in Washington or Vermont?
    No. The listing says it is ineligible for sale or shipping to WA and VT. The Super Tech kit has no such restriction listed.
    Which one lasts longer?
    The refrigerant itself does not expire in either can. The A/C Pro hose is reusable across cans; the Super Tech hose comes as part of the kit.

    More comparisons

    • R-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with Gauge vs EZ Chill Auto A/C Recharge Kit, Includes Charging Hose with Gauge -16.8 OZ
    • R-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with Gauge vs Interdynamics Arctic Freeze
    • A/C Pro Ultra Synthetic R-134a Car AC Refrigerant Kit ACP001, 18 oz vs R-134A Auto A/C Recharge Kit – Refrigerant + Charging Hose with Gauge

    Buying guides that pick them

    • Best car AC recharge kits
    • Best car AC refrigerant recharge kits
    System Type
    AC system
    —
    Meas Typespressure—
    Accuracy+/- 1%, +/- 2%, +/- 3%, ±0.5%, ±1%, ±2%—
    Unitskilograms/sq cm, pounds per square inch—
    Meas ModesManual Range—
    Disp TypeAnalog—
    Disp Size2 in.—
    Adv FeaturesAuto shut off—
    Form FactorHandheld—
    Ergonomicseasy and convenient to use—
    ApplicationAutomotive—
    IndustriesAutomotive—
    Typical Users—DIY car care
    Pressure—Read the pressure (to charge the system)