Our Top 15 Picks:
Best Vacuum Gauge Hvac Reviews:
Bestseller No. 1 
CPS VG200: Vacuum Gauge with Digital LCD Display
- ACCURATE - Calibrated to strict NIST standards for best-in-class accuracy and reliability.
- SMART DESIGN - Advanced sensor design with self-heated thermistor bridge and automatic temperature compensation.
- SIMPLE TO CLEAN - Field cleanable sensor designed to withstand 400 Psi of positive pressure.
- EASY TO READ - Continual digital readout of evacuation process on large, easy to read 5-digit LCD display.
- USER SELECTABLE UNITS - Choose between microns, torr, in/hg or mBar.
Bestseller No. 2 
Testo 552i App-Controlled Wireless Vacuum Probe I for HVAC Systems – with Bluetooth
- Accurate: The testo 552i achieves precise deep vacuum measurements down to single digit resolutions and provides notifications when the evacuation target is met
- Easy-to-use: The device is equipped with a built-in 45° angle for convenient installation and rugged IP 54 certified housing, which makes it extraordinarily compact and reliable
- Clever: For the purposes of wireless vacuum measurement, the testo 552i automatically connects to digital manifolds and can be used via just one service port and no loss of refrigerant
- Efficient: The gauge identifies vacuum in a rapid and easy manner and can display data on the digital manifold screen and in the testo Smart App in real time
- Smart App: Take advantage of clearly visualized documentation from a smartphone or tablet. Remotely operate service and maintenance tasks and send results directly from the job site
Bestseller No. 3 
Antstone Digital Vacuum Gauge HVAC Micron Gauge Vacuum Tester Micron Meter with 6 Units 7/16"-20UNF(1/4" SAE)
- [Wide Measurement Range] - The measuring range of the vacuum gauge is 99999~0.1Pa(740000~0.75Micron). Accuracy is ±5%(at 20℃).
- [Professinal Quality] - The digital vacuum gauge uses a professional Pirani vacuum sensor, which makes the measurement accurate and fast.
- [6 Units] - This Vacuum Tester has 6 conversion units: Pa, mBar, mmHg, mTorr, InHg, Microns. Units can be converted as needed.
- [Humanized Design] - 1)When the set target vacuum is reached, there will be a buzzer alarm. 2)It automatically shuts down after 10 minutes of inactivity. 3)The compact tool bag makes it easy to carry. 4)Large screen electronic digital display, high-definition 720p luminous display.
- [Complete Accessories] - The packing list includes a vacuum gauge, 3 AA batteries, an extension connector, and a portable tool bag.
SaleBestseller No. 4 
Digital Handheld Manometer HVAC Air Pressure Vacuum Pressure Gas Pressure Gauge Meter Tester 11 Units with Backlight, ±13.78kPa ±2PSI, 1-2 Pipes Ventilation Air Condition System Furnaces Boiler
- Measures air pressure of the single pipe or differential pressure of 2 pipes. Has 11 selectable units of measurement kPa, psi, kgfcm2, ozin2, bar, mbar, inHg, mmHg, inH2O, ftH2O, cmH2O.
- Best for measuring the ventilation and air condition systems. Widely used for gas measurement, calibration, and any troubleshooting of any gas pressure systems.
- Max / minimum / Average reading record function
- Low battery display and Auto power off set up function
- Differential pressure measurement,Large LCD backlit dual display
Bestseller No. 5 
Elitech Vacuum Gauge 1~19,000 Microns Digital Microns Gauge for HVAC and Automotive, Refrigerant Vacuum Meter 1/4" SAE, VGW-Mini
- High Accuracy: The digital vacuum gauge achieves precise deep vacuum measurements down to single digit resolutions and provides notifications when the evacuation target is met.
- Smart APP Control: Control your micron tester remotely and navigate through all measurement data via Smartphone or Tablet. Quickly and conveniently document your job, finalize your report and export - directly from the job site.
- Intelligent Judgement of H2O Status: The vacuum meter automatically judges physical state of H2O by comparing ambinent temperature and water saturation temperature corresponding to the vacuum in the system.
- Large, Easy-to-Read Display: Continual digital readout of evacuation process can be viewed easily on the large, full-view LCD screen.
- Rechargeable Lithium Battery: Built-in rechargeable lithium battery can work up to 20 hours per single full charge, saving troubles of frequent battery change.
Bestseller No. 6 
Digital Manifold Gauge Set HVAC Dual-Channel Temp Sensor HVAC Tools for 89 Kind of Refrigerant Digital AC Gauges Vacuum Pressure&Temp Test Digital HVAC Gauges with Hoses Digital Refrigeration Gauge
- 1.【Manifold Gauge Set for Refrigeration Equipment】The refrigeration gauges are dedicated to installing, testing, and maintaining refrigeration equipment such as air conditioners, refrigerators, and cold storage. The 2 temperature clamps in the manifold gauge set have strong corrosion resistance and tightness, and will not easily break. The refrigerant gauge is also equipped with 3 standard test hoses (1.5m) and a portable toolbox, which is convenient for the storage and carrying of the meter.
- 2.【Refrigeration Gauges for Double Pressure and Dual Temperature Measurement】The digital HVAC gauges can measure double pressure (gauge pressure) at the same time, as well as dual temperature measurement, with automatic multi-unit pressure conversion, automatic conversion of temperature Celsius / Fahrenheit, to facilitate different needs. Note: Please make sure that the temperature sensor clip is properly connected. A poor connection will result in an inaccurate reading of the value.
- 3.【HVAC Gauges with High-Precision Data Unit and Refrigerant Database】The HVAC manifold gauge built-in 32-bit digital processing unit and a high-precision data acquisition unit, high data and stability. The a/c manifold gauge set built-in 89 kinds of refrigerant pressure-evaporation temperature database, also calculate the subcooling superheat, to facilitate the direct reading of operating process data. Also, it tests the percentage of vacuum measurement.
- 4.【Durable and Multifunctional HVAC Manifold Gauge Set】The HVAC tools are designed with high-strength engineering plastics and flexible non-slip silicone. The whole HVAC pressure gauge is solid and comfortable to hold. The exquisite design of the foldable hook ensures that the digital ac gauge is in a safe position during the measurement of air conditioning tools & equipment. Long-life valve switch, 1/4 inch standard interface design to ensure the durability and versatility of the instrument.
- 5.【HVAC Manifold Gauge Set for Pressure Leak Test】The HVAC pressure gauge calculates the pressure difference between the initial test pressure and the second test pressure to determine if the refrigerant is leaking. Pressure leak measurement, leak time and speed record. Using a digital manifold gauge set can make your job easier.
Bestseller No. 7 
R134a Digital Manifold Gauge Set HVAC for Testing Maintaining Air-Conditioner, Vacuum Pressure Temperature Leakage A/C Refrigeration Tester with Built-in 90 Refrigerants
- [Ideal A/C Maintaining Tool] a/c manifold gauge adopts the most advanced digital circuit and the high precision pressure sensor(Accuracy: 0.5%). Widely used Automotive Air Conditioner, Household Air Conditioner, Refrigerating Chamber and Refrigeration Plant. Real-time test of pressure got relative temperature which can help you more convenient for refrigeration system installation or servicing.
- [Three Working Modes] R410a manifold gauge set comes with three common working modes: refrigerant pressure mode, vacuum percentage mode, leak detection mode. Equipped with real-time vacuum pressure test and percent indicate. Test range: 0 KPa~6000 KPa. Operating temp: -20℃~60℃（-4℉-140℉) . But the manifold gauge cannot measure micron.
- [Built in 90 Refrigerants] ac diagnostic manifold gauge set built-in 90 refrigerants and corresponding temperatures sheet data according to the US NIST standard.(R11 R13 R113 R114 R115 R116 R12 R123 R124 R125 R1270 R134A R14 R141B R142B R143A R152A R170 R21 R218 R22 R410A etc.)
- [Powerful Function] a/c r134a manifold gauge set equipped with auto power off function, unit conversion and backlight function. By default,the system automatically powers down after 10 minutes of inactivity. Users can configure on cancel the auto power off function. The gauges are quite clear and readable. Short-press the button key to toggle the backlight on and off.
- [After Sales Service] No need to purchase an extended warranty service. We offers 2 years warranty and 7x24-hour customer service supports guarantee your shopping experience. If you have any issue about the refrigerantion Digital Manifold Gauge, please feel free to contact us. (Note: This product does not include 9V battery and hose.)
Bestseller No. 8 
Elitech Digital Vacuum Gauge HVAC Micron Gauge 0-19000 Micron Refrigerant Vacuum Meter 1/4" SAE, VG-760
- WIDE MEASUREMENT RANGE & HIGH ACCURACY: Used to test system leak and discern vacuum pump quality of the evacuation in an HVAC and refrigeration system; accurate measurements from 19,000 Microns (atmosphere) to 0 Micron. Accuracy: ±10% or ±10 Micron
- MULTIFUNCTIONAL DESIGN: Settable high/low pressure alarms, notifications will be sent when readings go beyond the predetermined value.
- EIGHT MEASUREMENT UNITS: Easy conversion between 8 measurement units: inHg, Torr, psi, mbar, mTorr, Pa, micron, Kpa.
- HIGHER PROTECTION LEVEL(IP65 Rated): ensure a deep vacuum throughout the entire system and prevent the mist when the refrigerant is caused by refrigerant bottle blasting.
- Long battery life: powered by 3AA batteries, up to working 300 hours. 24/7 US Technician Support via Email and Phone.
SaleBestseller No. 9 
YaeTek 4CFM 1/3HP Rotary Vane Air Vacuum Pump HVAC A/C Refrigeration Kit AC Manifold Gauge Set w/Leak Detector R410a R134a R12 R22 R404
- Vacuum Pump Motor: 110V 60Hz 1/3hp
- Vacuum Pump :4 CFM Single Stage, 5Pa./0.05Mbar
- This Air Vacuum Pump HVAC A/C Refrigeration Kit AC Manifold Gauge Set is Ideal for R410A, R134A, R12, R22, R404Z etc.
- Oil Drain Plug Positioned at Bottom of Oil Reservoir
- PackageIncludes: 1x 4 CFM Single Stage Rotary Vane Vacuum Pump; 1x AC Manifold Gauge Set; 1xLeak Detector; 3 Hoses and other spare parts;
Bestseller No. 10 
XtremepowerUS Premium 4CFM Air Vacuum Pump HVAC A/C Refrigeration Kit AC Manifold Gauge Case Set R134a Tap w/Leak Detector and Carrying Tote Bag
- SIMPLE BUT POWERFUL: XtremepowerUS 1/3 HP 4 CFM 1-Stage Rotary Air Vacuum Pump is designed to have high efficiency and low noise output with internal high volume cooling fan for extended use
- HEAVY DUTY CASING: Die-cast Aluminum Alloy Casing enables the vacuum pump be light and durable at the same time. Equipped with brass fitting tethered safety caps to prevent oil leaks during transportation and handling
- EASY OIL CHANGE: The vacuum pump features a simple Oil Fill Port for a clean pour and Oil Drain Plug positioned beneath the oil reservoir to quickly drain when needed. Checking the spillage meter will help to ensure the proper level of oil
- PACKAGE INCLUDED: Multicolored set of three 36” hoses, Manifold Gauge, Oil Bottle, Accessories, Leak Detector and Storage Bag to keep equipment clean and dust free and R134a Can Tap
- The XtremepowerUS HVAC service gauge set is great for diagnosing and repairing AC systems. Ideal use for R134, R134A, R12, R22, R22A, R404A, R407C or R502; also commonly used for wine degassing and automatic milking
SaleBestseller No. 11 
Testo 552 I Digital Vacuum Gauge I Micron Gauge with Bluetooth Support
- Efficient: The testo 552 monitors the evacuation of hvac and heat pump systems dynamically. Thanks to optimized Pirani sensors, deep vacuum measurements are easier than ever
- Versatile: The pressure measurement tool is equipped with countless features in order to provide precise, comprehensive vacuum measurements down to single digit resolutions
- Time-saving: Thanks to groundbreaking real-time calculations, the testo 552 determines micron/temperature levels and provides notifications when the evacuation target is met
- Smart: The device communicates with smartphones or tablets via Bluetooth connection, thus providing reliable, precise analyses and reports which can be forwarded via e-mail
- App for Android and iOS: The free testo Smart Probes App is a powerful tool that allows you to read and log measurements and create custom reports which can be saved and shared
Bestseller No. 12 
Fieldpiece MG44 - Wireless Vacuum Gauge
- Wireless Vacuum Gauge
- Reliable, leak-proof seal
- Reversible angled coupler and new cylindrical design are easier to fit into tight spaces
- View from up to 1000 ft away via the Job Link mobile app, on the Fieldpiece SMAN Refrigerant Manifold, or direct from the MG44's display
- The new larger backlit LCD screen is easier to read and its dot-matrix display shows more info including a bar graph, rate, and rate meter
Bestseller No. 13 
UHARBOUR Glycerin Filled Vacuum Pressure Gauge, 2-1/2" Clear dial,1/4"NPT Bottom Connection, Stainless Steel Case, Brass Movement, Dual Scales -30inHg/-1BAR-0
- LIQUID FILLING WITH 2-1/2" CLEAR DIAL : Liquid Filled filled to enhance the reliability and integrity; helps dampen the effect of vibration and pulsation; Clear dial with dual two colors scales make it easy to read;
- PORFESSIONAL GRADE VACUUM PRESSURE GAUGE from -30" to 0 inhg(-1 to 0 bar), Accuracy comply to ASME B40.100 standard.Widely appply for measuring the vacuum of gas and air, suitable for vacuum pump, vacuum tank or other vacuum system.
- STAINLESS STEEL CASE WITH DURABLE CONSTRUCTION is built to outlast the competition from normal steel or plastic gauge. The superior quality steel and brass ensure the gauge corrosion resistance and extends the gauge life.
- EQUIPED WITH THREAD ADAPTOR make it used both for 1/8"NPT and 1/4"NPT connection, with corrosion resistant Sealant on the thread.
- LIFETIME SATISFACTION GUARANTEE AND FRIENDLY CUSTOMER SUPPORT,Buy with confidence,save your time and money, and enjoy accurate measure experience.
SaleBestseller No. 14 
Supco VG64 Vacuum Gauge, Digital Display, 0-12000 microns Range, 10% Accuracy, 1/4" Male Flare Fitting Connection , Grey
- Vacuum gauge with ultra-fine resolution (0.5 to 1000 micron), and a 0-12,000 micron vacuum range for accurate pressure measurement during system evacuation, and high-precision laboratory tests
- Programmable, audible and visual alarm for high and low vacuum indicates when threshold is reached
- Backlit, LCD digital display of seven international units including microns, Pascal, and PSI, and a 1/2-second response time
- Auto shut-off eight hours after alarm activation, and when alarm is disabled
- Built-in hanging apparatus for maneuverability
Bestseller No. 15 
Heavy HVAC Adaptor Cord HVAC Tools HVAC Accessories Compatible with Yellow Jacket 69522 Power Extension Cord for Yellow Jacket Gauges Apply to Vacuum Pumps,Breaker Finder( RT250, ET300 and ET310)
- Heavy Hvac Tool：HVAC adapter cord is a fast and easy way to get power to run a vacuum or a recover machine.We love it instead of running 100+ feet of cord, we can pull power from a disconnect box, to get the job done.
- HVAC-R Service Technician's Companion: The reliable circuit breaker finder kit is the perfect accessory for your circuit breaker tracker.You can use Compatible with hvac testing tools, ac tools for hvac, hvac power adapter cord, hvac gauges hoses, hvac tool bag, hvac tools clearance, hvac vacuum hose etc.
- Safe and Reliable：UL certified. Large Clip 0~30Amp, 14AWG Adapter Cord for 120V AC Circuit, 28 inch.The green wire is the real ground wire, which is safer to use, the black is the live wire, and the white is the neutral wire.
- Accessory Upgrades：Upgrade gator clips are made of high quality materials, have a good amount of tension, making the connection more stable, easier to use.Non-slip designed with frictional crocodile teeth help you to grip accessories more firmly. Wire core is thickened by 33%, Cross-sectional area increases to 1 m㎡. Less Resistance, Safer Conduction.
- Highly Suggest: As an HVAC extension cord for HVAC-R service technicians, residential HVAC technicians.It is strongly recommended that you learn how to test wattage and determine what voltage you are dealing with before purchasing this product.It can easily harm you or your equipment.
Last update on 2023-03-26 / Affiliate links / Images from Amazon Product Advertising API