HomeBLOGTop 10 Best HVAC Multimeters

Top 10 Best HVAC Multimeters

When it comes to HVAC and your equipment, you need to have the best, which means when it comes to measurements. You must get the right multimeter that would help with measuring voltage and letting you know the electricity levels going through the cables. Here is our comprehensive guide to helping you choose the right one, so keep reading on.

Top 10 Best HVAC Multimeters 

  1. Best Overall: Fieldpiece SC260 Clamp 0.01 Resolution Temperature True RMS MultimeterFieldpiece SC260 Clamp 0.01 Resolution Temperature True RMS Multimeter

If you are looking for reliability, this will be the right multimeter to check out. It has an indicator that you can use for low battery, and it is ideal for all HVAC needs you might have. This can use both AC/DC, and it has a thermometer, and it can tell you both Celsius and Fahrenheit based on what you change the settings to.

The continuity indicator is there to help you with avoiding all possible hazardous situations that you might face. This can measure motor-start capacitors, microfards and motor-run using this range.


  • Works well with all Fieldpiece accessories
  • Affordable
  • Easy to use


  • Needs maintenance and proper handling to last a long time


If you want to have the best of the best, then this model is going to be great, especially if you handle your equipment properly.

  1. Runner Up: Fluke 116/323 HVAC MultimeterFluke 116 323 HVAC Multimeter

For those who want the top of the line without worrying about the price, this would definitely be the model to check out. This has CAT IV 600 V, CAT IV 300 V, and CAT III 600 V ratings, and it can easily measure the microamp readings for the capacitance, temperature, DC and AC voltage readings, flame sensors, and resistance readings.

The max voltage this one can handle is 600 volts, and you can record the data by pushing the minimum and maximum buttons, which records both the lowest and highest readings. It also has the feature for low input impedance that would prevent false readings.


  • Easy to use
  • Low input impedance prevents false readings
  • 3 years warranty


  • No 100 amp input


For those who want a longer warranty, this model will definitely be one that you want to put on your list.

  1. Best Budget Option: Fluke 323 True-RMS HVAC MultimeterFluke 323 True-RMS HVAC Multimeter

Another great option that you should check out if you have a smaller budget is this model, and it is the clamp style. This can handle the AC currents up to 400 AMP, and it has a 4omhs resistance. It also uses the true RMS AC and voltage to ensure that the non-linear signals’ measurements are accurate.

This model’s design is ergonomic and slim, which makes it perfect for carrying around with you or leaving it in your truck when going to a work site. It has a safety rating of CAT IV 300 V and CAT III 600 V.


  • Affordable
  • Easy to use
  • Lightweight


  • Doesn’t measure DC currents


If you search for a lightweight, affordable, and easy to use, this model would fit all of your needs and be on the top of your list.

  1. Fieldpiece HS33 Voltage MeterFieldpiece HS33 Voltage Meter

If you want to use one that doesn’t require any contact, then this model might be the one to purchase. This model has a sleek yet chic design that will make it easy to carry around in your pocket and simple to hold. This has a built-in thermometer, and there is a manual ranging, which would be perfect for a professional.

It also has the data hold that will keep the data from the last measurement is taken, so you don’t have to worry about writing it down. It has a CAT III 600 V rating, and it has a battery life of around 150 hours.


  • User friendly
  • Automatic power-off feature
  • Chic and sleek design


  • Display is small


If you don’t want to deal with touching any wires, then this multimeter would be a great option for you to look at.

  1. Greenlee DM-810A MultimeterGreenlee DM-810A Multimeter

If you are a professional and need something of the highest quality, then this would be the perfect option for your needs. You can use the continuity, resistance, current, AC/DC voltage frequency. This can also verify any continuity test and check the diodes and use the low impedance feature to prevent false readings.

The display on this model is large, which means you will be able to read what is displayed without any major issues easily.


  • Durable carrying case included
  • Easy to use
  • Widely available


  • Slightly tough to handle


For those who are professionals and need something that will work for them in all areas, this multimeter is the right one.

  1. UEi Test Instruments Clamp MeterUEi Test Instruments Clamp Meter

Another good option that you can go for is this one, and it has a clamp that you would use to put around the wire. This is another option if you don’t want to touch the wires and the display is large enough to read easily. It also has lead storage that is built-in, which allows for storage of the latest readings.

It also comes with a magnetic mount, so you can place it wherever you want when you aren’t using it. This can be used easily with a single hand so that both of your hands will not be occupied.


  • Affordable
  • Test leads and pouch included.
  • Highly accurate


  • No temperature readings


If you are searching for a clamp style multimeter, this would be one of the best ones to opt for, so go ahead and check it out.

  1. Triplett CAT II 1101-B MultimeterTriplett CAT II 1101-B Multimeter

If you want something that is going to be compact, then this might be the right model for your needs. This will be great for the professionals along with household use, and it is a 3.5 digit device. It has the feature that automatically turns it off to save your battery, and the LCD is large and lit up well.

It also has overload protection that is built-in along with a resistance range of 2M up to 200 ohms. It also comes with K type beads to take temperature measurements, a 9V battery, alligator clips, safety test leads, and red rubber boots.


  • Test leads are good quality.
  • LCD is large and well lit
  • Easy to hold


  • Uses manual ranging


If you are looking for a multimeter that would have everything that you need, then this might be the option that suits you the best.

  1. Fieldpiece LT17A MultimeterFieldpiece LT17A Multimeter

If brand matters to you, this will be one of the top multimeters that you can buy. This is also a great option for those who have a smaller budget, and it will fit easily into your hand without slipping. It can provide volt both DC and AC and voltage, and the micro-amps are included so you can do the flame diode testing.

It has a bright light that is blue that makes it easy for you to see the readings and accurately note them down. It will read both the minimum and maximum measurements during the testing, and it has a feature to turn the device off automatically so your battery won’t be drained.


  • Affordable
  • Wide variety of accessories available
  • Comfortable to hold


  • Requires proper maintenance and usage


For those who don’t mind having a machine that isn’t the best but that will be comfortable to hold and comes with plenty of accessories, then this should be on your list.

  1. Amprobe AM-520 Multimeter

If you want an extremely accurate device, then this one can measure the DC or AC voltage and current, and it can test all HVAC equipment. This has the most convenient and easiest micro-amp range, and it doesn’t require contact to detect the voltage, which makes it extremely safe to use.

It has the CAT III 600 V safety rating, and it has a low pass filter so that it can work with the variable frequency drives. It can detect both the maximum and minimum ranges from this device, which means you don’t have to record anything. The battery life is around 100 hours due to the automatic off feature that keeps it lasting longer.


  • CAT IV safety rating
  • LED screen flashlight built-in
  • Uses digital and manual ranges


  • The continuity checker is loud


When it comes to your multimeter, you want something that will be easy to use and convenient, which this is with the built-in flashlight to help you reach tight or dark corners.

  1. Extech EX505 MultimeterExtech EX505 Multimeter

If you are starting, then this entry-level device would be great for you. It uses true RMS, and the device will be watertight and dust proof, so you don’t have to worry about using it in the rain or anywhere else. There is a built-in thermometer, and it has the highest accuracy with DC, and it can measure up to 20amps in current and 1000 volts.

You can also get the temperature measures in both Fahrenheit and Celsius, and it uses 2AA batteries. It has an indicator for low battery levels, and it has an LCD that is well lit and large in size. It also has a magnetic strap that makes it extremely easy to hold and carry.


  • Complete protection from harsh weather
  • Measures currents up to 20 amps
  • Good quality LCD screen


  • It can be sluggish when using auto-ranging
  • Temperature readings can sometimes be wrong


If you want something that you can take outside and not worry about, this will be the perfect model for all of your needs.

HVAC Multimeters Buying Guide

When you are working in HVAC, you want to have the best equipment available, which means the multimeter. It would help if you thought about when you are starting to buy one, including what it is and how they work. Keep reading on to find out more about how to purchase the right one for your needs.

What is HVAC Multimeter?

For those who will work in the HVAC industry, you need to know what an HVAC multimeter meter is. This is a piece of equipment for electronic tests that would be used to figure out whether there is any electronic voltage there or not. This is a tool that is extremely important if you are going to be working with any electronics.

How do HVAC Multimeters work?

These work in different ways depending on the type of multimeter that you have purchased. If you are using one with wires, you would need to connect the wires to the appropriate locations to get the measurements. However, the clamp style is one where you can just put the clamp around the wire to get your required measurements.

Also, there is the one that doesn’t require any contact, which means you have to place it close to the wire. Ensure that you are checking out all of these options and figuring out which one works the best for you. If you are learning this, then go with the simplest option you feel would work for you and your projects.

Advantages of HVAC Multimeter

If you are using a digital multimeter during your HVAC work and diagnostic times, you need to know the benefits of having one. Here are a few of the top advantages to having one of these devices in your toolbox, including:

  • Automatic display – You don’t have to worry about anything since it will automatically display all of the measurements. The numbers would be easy for you to read, and you can write them down, or the device will remember them.
  • Accurate – Another major benefit of using these devices is that they will be much more accurate. You don’t need to worry about whether or not the numbers will be wrong, but instead, you can be confident the information is accurate.
  • Automatic polarity functions – These multimeters have the ability to read the negative values, which includes voltage. When the probes are placed in the opposite polarity spots, you will get a negative output. This means that a digital one will be better since you will easily be able to read the measurements.

Go ahead and make sure that you have the right multimeter in your truck or your toolbox if you are working in HVAC. These can make everything easier when it comes to electronics and measurements, so why worry about it when you can be sure they are right?

Factors to Consider When Buying HVAC Multimeters

You would need to consider so many factors and criteria when buying a multimeter, and it can be not very clear. You will need to know what these factors are so that you can start to use them to narrow down your list. Here are just some of the top factors that you are always going to want to check out and think about, including:

  • Multimeter type vs. Usage needs – You need to think about the various types of multimeters available, including those that use wires, the clamp style, and even those that don’t need to touch the location. Make sure to think about which one will work the best for your usage, especially if you will be using it regularly.
  • Accuracy & versatility – You should also find one that will be accurate and used for various purposes. You don’t want to spend a lot of money on one device that won’t be used for a few purposes like testing measurements and taking temperatures. Also, think about how accurate they would be and what types of measurements they can handle.
  • Display counts – Another thing you need to consider is the display and how easy it will be to read it. You should find a digital display and one that has an LCD screen that is going to be large enough to read it. Not only that, but it should be backlit, and it should be able to show you the measurements in different formats and much more.
  • Safety & reliability – Another factor that you need to look at is the reliability and the safety of the device. You want one that will be reliable, so ensure that it is accurate and one that will be safe. You want one that isn’t going to cause problems, so check out what others say about this before you buy anything.
  • Extra features – You also need to consider the features and the specifications of the products you are looking at. You want to ensure that you are picking a digital multimeter that would give you a more accurate reading of the measurements. You also need to want to know if it can store the data, auto-ranging, triggering, sample ratings, and much more.
  • Price & warranty – You always should consider the device’s prices that you are thinking of buying since you want to spend enough money to make it worthwhile. If you are buying an extremely cheap multimeter, it might not be as accurate or as heavy-duty as the other costlier options.
  • Size – Another thing to consider is the size of the device, and you want one that you would be able to carry around with you easily. Not only do you need to think about the size, but you also need to consider the weight.

Go ahead and use these factors when trying to make your final decision since they can help make it much easier and less confusing.


  • What is the number of readings that the meter can save in the memory?

This really depends on the type of device that you are buying and the capacity it has. However, the normal number of measurements that can be saved is around 400.

  • Which option is better, analog or digital multimeters?

If you are confused, the first thing to think about is displaying the multimeter that you want to get. The digital ones will give you a higher accuracy level for your measurements than the analog ones. The professionals all use the digital ones.

  • Can this multimeter be used during my HVAC work?

If you are a professional, it is likely that you already have one of these in your toolbox. However, if you are starting, you want to ensure that you have one that you can easily use and apply for all of your HVAC work.

  • Which is going to be the best HVAC multimeter to get?

This really depends on each individual since one might be easier to use for one and not for everyone. If you are a beginner, you want one that will be easy to use and that would also be affordable.

  • How much is too much to spend on a multimeter?

If you are a professional, you might want to spend a good amount of money on your multimeter. The typical range is around $100 to $150, but you can go for a lower-priced one if you are just a beginner. However, avoid spending more than you can afford to buy one no matter what.

Final Thoughts

You will always want to ensure that as an HVAC professional, you have the best multimeter in your equipment collection. You want to find that one that would fit your budget and give you the readings you want. Find one that is going to be easy to use, affordable and durable, especially if you work outside a lot or if you tend to drop things easily.

Notify of

Inline Feedbacks
View all comments
- Advertisment -spot_img

Most Popular


BTU SACC Vs. BTU ASHRAE In Portable AC Units

When choosing a portable air conditioner, you check various metrics, but the most important is capacity. Because you need to know how powerful is...