15 Best HVAC Gauges in 2023 [Features Included]

Are you wondering what type of HVAC gauge is best to buy? If YES, here are 15 best HVAC gauges with features included.

HVAC gauge is a device that will tell you the static pressure of your system, the load pressure, and help you spot any clogs in the refrigerant piping, as long as you know how to use them properly. HVAC technicians use the gauges to refill a system with refrigerant and to verify pressures if the system is overfull.

Basically, if you need to fill, refill, or test your AC refrigerant levels, you will need a set of HVAC manifold gauges. Depending on the type of system you are running, the specific type will vary.

If you are an HVAC professional, this should be the number one tool in your collection of tools. Getting reliable and effective HVAC gauges will go a long way to help you effectively gauge your air conditioning or heating system.

Considering the number of options on the market, shopping for the best HVAC gauges can be challenging and time-consuming. In no particular order, here are 15 of the Best HVAC Gauges that you can get today.

Best Types of HVAC Gauge

1. Table of Content

   • Elitech SMG-1H Refrigeration HVAC Digital Pressure Gauge
   • Elitech VG-760 Digitl Vacuum Gauge 
   • Yescom R410a R404a R22 4 Valve 60 Inch Manifold Gauge 
   • VIOT R410a Manifold Set, Model GM410A
   • BANG4BUCK Universal Diagnostic Manifold Gauge Kit HVAC Air Conditioning Charging Service Set
   • Fieldpiece SMAN460 Wireless 4-Part Digital Manifold Gauge
   • Testo 0563 Digital Gauge Bluetooth Supported
   • BELEY HVAC System Gauge Set
   • Fourth HVAC Digital Manifold System Gauge Set
   • AutoWanderer Tool 3 Way A/C Manifold Gauge
   • AiCooler R134a A/C Refrigerant Diaphragm Type Quick Check Gauge
   • CarBole Pair Air Conditioner
   • ENVIRO-SAFE 134A Tap to 1234YF Coupler Economy Gauge & Hose
   • ATD Tools 3666 High Side Replacement Gauge
   • ZXMOTO 5FT Manifold Gauge Set Car Manifold Gauge Set
   • ZENY Diagnostic A/C Manifold Gauge Set

   Elitech SMG-1H Refrigeration HVAC Digital Pressure Gauge

If you are looking towards buying a reliable HAVC gauge, especially the digital model, then you should consider buying Elitech SMG-1h Refrigeration HVAC Digital Pressure Gauge. The SMG series are professional digital gauges used for maintaining, monitoring, and evacuating refrigeration systems and charging refrigerants.

The gauges can measure system pressure and display various parameters such as the evaporation temperature of the corresponding refrigerant. They have a backlight, auto-off, unit switch, over-range alarm, and other functions.

Elitech is known for quality and the company produces a complete line of HVAC tools, from gauges, leak detectors, scales to vacuum pumps and intelligent manifolds, counting with additional refrigeration solutions, Elitech leads the new generation of smart touch screen HVAC tools.

2. Elitech VG-760 Digitl Vacuum Gauge 

Another fast-selling HVAC Gauge in the market today is the VG-760 Digital Vacuum Gauge Micron Gauge. The VG-760 Digital Vacuum Gauge Micron Gauge is a new brand vacuum gauge that is used to test system leaks and discern vacuum pump quality in the HVAC and refrigeration system.

This HVAC gauge comes with wide measuring range that gives accurate measurements from 19,000 Microns (atmosphere) to 0 Micron. It also has battery indicator and long battery life: powered by 3AA batteries, up to working 300 hours.

3. Yescom R410a R404a R22 4 Valve 60 Inch Manifold Gauge 

This AC Diagnostic Set comes with dual manifold gauges and 3 pieces 1/4″ SAE charging hoses, for R410a, R22, R404a refrigerants, displaying in PSI and Fahrenheit degree, used for AC charging, diagnostic check, and recovery work

It has built-in sight glass, blue gauge for measuring low pressure and vacuum, red gauge for measuring high pressure, extra-large design for easy reading color-coded dials; no-flutter gauge design for high precision, etc. So, if you are considering buying a reliable and affordable HVAC gauge, then you should consider buying Yescom Manifold Gauge. Trust me, you will have value for your money.

3. VIOT R410a Manifold Set, Model GM410A

Another reliable HVAC gauge that you can find in the market is the VIOT R410a Manifold Set, Model GM410A. The VIOT R410a Manifold Set, Model GM410A is large, easy-to-read 3 and 1/8″ diameter steel case red and blue; front access for easy field recalibration; mounted on Aluminum alloy Block body (light weight, but stronger than brass).

VIOT R410a Manifold Set, Model GM410A come with: 3 Color Coded High Pressure Hoses 60 inch in length each 800 PSI working pressure; 4000 PSI burst pressure 1/4″ female SAE brass fitting to the gauge block 1/4 ” female SAE brass fitting on the service side with a 45 degree turn for easy access.

So, if you are considering buying a reliable and affordable HVAC gauge, then you should consider buying VIOT R410a Manifold Set, Model GM410A. Trust me, you will have value for your money.

4. BANG4BUCK Universal Diagnostic Manifold Gauge Kit HVAC Air Conditioning Charging Service Set

BANG4BUCK Universal Diagnostic Manifold Gauge is yet another reliable HVAC gauge in the market. Generally, R134A Professional Manifold Gauge Set is ideal for R134A, R404A, R22, R410A refrigerants; Designed for AC freon charging, evacuation (vacuum), diagnostic check, and recovery work; Great for automotive or household air conditioning units.

Each coupler has a shut-off valve to prevent loss of refrigerant, quick disconnect couplers for High/Low fittings included, Ideal for R134A, R404A, R22, R410A, includes 3 color-coded 5 ft. long service hose with storage attachment.

So, if you are considering buying a reliable and affordable HVAC gauge, then you should consider buying BANG4BUCK Universal Diagnostic Manifold Gauge. Trust me, you will have value for your money.

5. Fieldpiece SMAN460 Wireless 4-Part Digital Manifold Gauge

The wireless digital manifold with the 4th port, SMAN460 is at the top of the list from Fieldpiece. It has many more features and advantages over any other digital gauges on the market.

It has automatic calculation of the desired superheat, synchronized subcooling and superheat temperatures, and 9 more readings on a single screen and designed exclusively for HVAC professionals.

It has the 4th widest port for you to make the vacuum faster and to collect gas from the system, in addition to the wireless function that gives you readings in real-time, so you know what is happening inside the system while it is charging or just checking.

So, if you are considering buying a reliable and affordable HVAC gauge, then you should consider buying Fieldpiece SMAN460 Wireless 4-Part Digital Manifold Gauge. Trust me, you will have value for your money.

6. Testo 0563 Digital Gauge Bluetooth Supported

Testo 0563 is one of the best digital HVAC gauges on our top list. This manufacturer has over 60 years experience in this industry and always offers the best products. This digital gauge can be connected easily and quickly to your smartphone or tablet using Bluetooth.

It is extremely easy and state-of-the-art. It does not require hoses for measurements that means little or no refrigerant is lost. It comes with a smart case that allows measuring instruments to be transported conveniently, available always when you need it.

One of the best parts of this gauge is that the measurement data can easily be transmitted wirelessly from the instrument to the Testo Smart Probes app.

Also, you can view it on your smartphones as a table or as a graph. It has various practical functions such as automatic calculation of condensation temperatures and evaporation. Once done, the data record can be forwarded as an Excel file or a PDF. Thus, it will save time and you can focus on other tasks.

7. BELEY HVAC System Gauge Set

BELEY HVAC System Gauge Set is an intelligent device that can be used for maintenance, testing, and installation of refrigerant instruments. Best for cold storage, fridge, and car air conditioners. It comes with many great features. This gauge can be calculated as double pressure at a time.

Also, it is designed with dual temperature calculations. It is loaded with other great features such as automatic temperature conversion Fahrenheit / Celsius, multi-unit pressure conversions, etc. BELEY HVAC System Gauge Set is designed with large size LCD so that you can easily read data also it supports backlight so you can use it even in the dark.

Its switches are designed for long-life. This HVAC System gauge has a double pressure test, digital readout, multi-mode functions, built-in refrigerants database, dual temperature test, multi-unit switching, and much more. It has built-in 89 different types of refrigerant pressure-evaporation database system also calculate the subcooling superheat.

8. Fourth HVAC Digital Manifold System Gauge Set

Fourth HVAC Digital Manifold System Gauge Set is one of the intelligent electronic instruments for the refrigerant group by the Fourth manufacturer.

The intelligent electronic instrument for the refrigerant group is an auxiliary instrument for the installation, testing, and maintenance of refrigeration equipment such as air conditioning, refrigerator, and cold storage. The HVAC system meter has a double pressure test, double temperature test, digital reading, multi-unit saw.

Fourth HVAC Digital  Manifold System Gauge Set is able to measure double pressure at the same time, as well as double temperature measurement, with automatic multi-unit pressure conversion, automatic Celsius / Fahrenheit temperature conversion, to enable different needs.

The instrument is using high-strength engineering plastic and variable non-slip silicone design. This digital HVAC gauge is comfortable to hold and extremely solid. Integrated 32-bit digital processing unit and high precision data acquisition unit, high-quality data and stability.

9. AutoWanderer Tool 3 Way A/C Manifold Gauge

AutoWanderer Tool 3-way air conditioning diagnostic manifold gauge set for R134A, R404A, R22, R12 refrigerants. The manifold gauge set is designed to test air conditioning systems by comparing the “high side” and “low side” pressure, which is designed for automotive or household A/C freon charging, evacuation (vacuum), diagnostic check, and recovery work.

Durable and anti-corrosion 3 way A/C gauge set has two 3 inch diameter dual movement gauges with an easy-to-read color-code scale. Blue low-pressure gauge of range -30InHg-0-250PSI, and red high pressure 0-500PSI, Celsius unit.

The sight window on the manifold helps to see the status of the refrigerant. Built-in calibration screws and a skip-free pointer allow for accurate measurement and real-time display of system pressure.

The purge valve helps to clear air. AutoWanderer Tool specializes in high-quality auto parts and auto supplies kits. Universal 3 Way A/C manifold gauge kit comes with a durable custom-molded storage case that is easy to storage and transportation.

10. AiCooler R134a A/C Refrigerant Diaphragm Type Quick Check Gauge

AiCooler is a premium brand in the automotive aftermarket in Taiwan and it is highly reliable. AiCooler Gauge is fast and easy to check your Low Side Pressure for accurate charging of your Air conditioner.

It is important that your system is fully charged for maximum cooling and not overcharged which may damage the compressor. Very user-friendly: quick side bottom to reset and the gauge is really easy to read and understand with the colorful gauge design.

11. CarBole Pair Air Conditioner

Another reliable and of course affordable HVAC gauge that you should consider buying is the Carbole Pair Air Conditioner Gauge PSI KPA. This gauge fits for 7/16 inch in diameter hose. Over and beyond, the Carbole Pair Air Conditioner Gauge PSI KPA is great for refrigerant testing, charging, and evacuation ad you should consider having it.

12. ENVIRO-SAFE 134A Tap to 1234YF Coupler Economy Gauge & Hose

ENVIRO-SAFE 134A Tap to 1234YF Coupler Economy Gauge Charging hose with R134a Can Tap with Gauge with plastic ends is yet another reliable HVAC gauge in the market today. This is an economy gauge set with plastic ends.

Perfect for the folks that use it occasionally.  This is perfect for adding sealants, oil charge, dye charges that have the R134a top on them to R1234YF systems. This item will not screw onto the top of an R1234YF can! The can tap is an R134a tap and the end of the hose is R1234YF.

It will not work with valve-style 134a cans. So, if you are considering buying a reliable and affordable HVAC gauge, then you should consider buying ENVIRO-SAFE 134A Tap to 1234YF Coupler Economy Gauge. Trust me, you will have value for your money.

13. ATD Tools 3666 High Side Replacement Gauge

On its list of some of the best HVAC gauges is the ATD Tools 3666High Side Replacement Gauge. Trust me, the ATD Tools offer high-quality replacement gauges. The gauge scales are available in different sizes and styles. The 2-1/2 inch Gauge model is designed with the ANTI-FLUTTER feature that reduces needle fluctuation and increases reading accuracy.

This is a high-side replacement gauge for R12/R134a. So, if you are considering buying a reliable and affordable HVAC gauge, then you should consider buying ATD Tools 3666High Side Replacement Gauge. Trust me, you will have value for your money.

14. ZXMOTO 5FT Manifold Gauge Set Car Manifold Gauge Set

The ZXMOTO manifold gauge made from high-quality material, it is durable enough, not easy to crack or rust. Possess diaphragm valves with swivel seals for a more positive seal and less wear. And the rubber gauge cover can provide protection. The Manifold gauge Kit not only could be used with the car but also could be used with the house air-condition.

The ZXMOTO Manifold Gauge Set can test your automotive air conditioning system. This set includes high pressure and low pressure dual color-coded gauges, large and clear dials, quick-disconnect valves, and three charging hoses.

This set provides all the tools which you need, it is easy to use and read. The manifold gauge tool posses a durable metal casing, brass testing manifold body, and high impact pop-in Lexan lens, this is a highly cost-effective manifold kit. So, if you are considering buying a reliable and affordable HVAC gauge, then you should consider buying ZXMOTO Manifold Gauge Set. Trust me, you will have value for your money.

15. ZENY Diagnostic A/C Manifold Gauge Set

Last on our list of some of the best HVAC gauges in the market is the ZENY Diagnostic A/C Manifold Gauge. The ZENY Diagnostic A/C Manifold Gauge Set is designed to meet 1/4″ Standard SAE requirement for the refrigerant permutation.

It’s Celsius scale shown, not Fahrenheit scale. Units are metric measurements. Numbers on the panel are not large enough, so please wear glasses or take a closer look to read.

Any questions or doubts about the item or replacement, please contact the seller for the first time for a solution. In interestingly, each hose is approx 4ft (48 inches) each with 1/4″ SAE fitting; Working pressure: 500psi, Burst pressure: 2500psi.

It has diaphragm valves with swivel seals for a more positive seal and less wear. It has durable rubber gauge cover for added support and protection comes with a back hook for hanging the manifold gauge in place.