4 Best Voltage Stabilizers for AC – Reviews and Price Comparison

Choose the right Voltage Stabilizer by knowing the power requirements of your AC – The most straightforward way to achieve this is to buy a stabilizer that is designed for your AC operating tonnage.

Most stabilizer manufacturers will mention the Tonnage/Voltage range the stabilizer is designed to handle, so this serves as a ready indicator and crucial parameter in the decision process. The operating Voltage range for the AC would be mentioned on the AC/User manual.

In addition, if you are a resident of an area where there is an erratic power supply, frequent disconnections and issues with spikes in voltage, we would advise that the range of voltage at your residence also be checked

Our Top Picks for "Best AC Voltage Stabilizers"

Best Voltage Stabilizer Overall –  V-Guard VG 400 Voltage Stabilizer for upto 1.5 Ton A.C (170V To 270V)
Best Designed Stabilizer – Microtek-EM4160+ AC Stabilizer
Best AC Stabilizer for 2 Ton AC – Microtek EM5170+ Voltage Stabilizer for AC up to 2 ton (170V-270V)
Best Stabilizer for Inverter AC – MONITOR 4-KVA Voltage Stabilizer For Split / Inverter AC upto 1.5 Ton AC

What to expect from this Read?

Let us help choose this must-have essential accessory to safeguard your Air Conditioner. We shortlisted 19 AC Voltage stabilizers for this exercise of finding the “Best Voltage stabilizer in India”. We narrowed down the list to the best 10 before finally coming up with the final list below of the 4 Voltage stabilizers in India.

PS – Of the top 10, we found that many had similar features to the one’s in our top 4 and eliminated them to the best four below. 

We encourage you to glance through our Buying Guide and other tips to pick up the stabilizer that suits your AC requirements.

Highlights of this Feature

Best Voltage Stabilizer for AC: Reviews

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Voltage Stabilizers Reviewed
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Voltage Stabilizers Shortlisted
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Best AC Voltage Stabilizers

Best Voltage Stabilizer Overall

V-Guard VG 400 Voltage Stabilizer

The most commonly used ACs are upto 1.5 ton in most households in India, so this is an excellent choice for the masses.

The V- Guard VG 400 is a very effective stabilizer for ACs upto 1.5 ton and does so at a Voltage Operating range from 170V to 270V.

Since the standard operating Voltage for most parts of India is 230V and 50 hz this range from 170V to 270V is extensive and gives adequate buffer for normal operating conditions.

This AC stabilizer will protect the AC from high or low voltage alike with its automatic cutoff.

The stabilizer has Aluminium windings. The LED indicators will give a visual status of the mode at which the device is functioning.

The Stabilizer also has a Thermal surge protector, which ensures that the connected equipment is protected from Overheating.

Check this out
✅ Working Range 170V – 270V
✅ Intelligent Time Delay System
✅ Latest IC Technology
✅ Wall Mounting Cabinet Design –
✅ Elegant and easy to install
✅ Automatic –cut off
✅ Thermal Overload Protection
✅ Warranty – 3 years

What needs to be improved
🚫 Would have been ideal to see the Digital numeric display of the voltage.

Best Designed Stabilizer

Microtek-EM4160+ AC Stabilizer

The Microtek em 4160+ Stabilizer works efficiently for protecting Air-conditioners upto 1.5 Ton. The working range of this Stabilizer is from 150V – 285V.

If you live in an erratic power supply area, this would be the ideal choice given its working range.

This Microtek stabilizer is designed on Save power technology, enabling it to deliver high performance, work efficiently, and save electricity.

Voltage displayAnother feature is that it displays the numeric input voltage coming from the main power source, and if you want to take that experience a notch higher, you can view the digital voltage output to the connected AC by merely pressing a button.

One of our editors so liked this feature; that she couldn’t stop talking about it. So a special shout out for this feature!

For the majority in our team, the above mentioned popular choice V Guard VG 400 was the unanimous pick, and the output coloured led indicators seemed to work well. However, if you are reading this we would love to hear from you, do drop a comment below.

Continuing from where we left, the stabilizer has the Autostart mode, which keeps the connected devices to the stabilizer safe as it effectively regulates the Voltage to the connected equipment.

This is aided by the silver caked relay, which performs over a wide input voltage range. The stabilizer has Copper windings.

This stabilizer also has the smart delay feature, which is essential for giving the much needed time to the compressor to balance power and is a proven technology feature to enhance the equipment’s longevity.

The onsite warranty is responded to, once the issue is logged on the customer care number within 24 to 48 hrs.

Check this out
✅ Working Range 150 – 285V
✅ Energy Efficient
✅ Digital Numeric display of Voltage
✅ Intelli Autostart
✅ Silver Caked relay
✅ Smart delay feature
✅ Warranty – 3 years
✅ Onsite warranty with a turnaround service time of 24 – 48 hrs

Best AC Stabilizer for 2 Ton AC

The Microtek EM5170+ is our choice if you have an AC from 1.6 to 2 Ton. The operating Voltage range is from 170V to 270V. The Stabilizer has the Intelli Micro chip design.

With the Save power technology, Microtek ensures that the stabilizer will work efficiently.

The Intelli Auto-Start function Steps Up and Steps Down Output Voltage according to input voltage without any manual intervention. The stabilizer has Copper windings.

This stabilizer also has the smart delay feature, which is essential for giving the much needed time to the compressor to balance power and is a proven technology feature to enhance the equipment’s longevity.

Check this out
✅ Inttelli Micro Chip Design
✅ Led Indicators for Voltage Display
Working Range 170 – 270V
✅ Silicon based transistors
✅ Energy Efficient
✅ Intelli Autostart
✅ Silver Caked relay
✅ Smart delay feature
✅ Warranty – 3 years
✅ Onsite warranty with a turnaround service time of 24 – 48 hrs

What needs to be improved
🚫 We missed the Digital Voltage display that’s available on some of the other models.

Best Stabilizer for Inverter AC

The Monitor 4-KVA Voltage stabilizer is a value for money (VFM) choice for Split Inverter ACs upto 1.5 Ton. Before we give you an indepth review of the product. Let us first give you some quick insights of the company manufacturing this Inverter.

We do understand that quite a few of you out there may or may not be familiar with this brand.

The stabilizer is manufactured by the company Keerti Electronics, they have been around since 1981 (Bhanu Gartex Company). Based in Hyderabad their offerings are widely appreciated for key features like durability, reliability, Price point (Budget), long service life and their their longer warranty periods.

This stabilizer is specifically designed for ACs only and can be coupled with a Split/Inverter AC upto 1.5 ton. The operating voltage range is from 170 -270V.

If the supply from the grid is out of this range the product will automatically cut-off thereby protecting the equipment it is connected to.

At the price point the 100% Copper windings transformer and the metal cabinet was an eye catcher. The Copper windings transformer ensures less power loss and low heat generation.

The 5 year warranty offered is  higher than the Industry average.

Check this out
✅ Working range 170 to 270V
✅ Auto Cut off
✅ Led Indicators for Voltage Display
✅ Copper windings Transformer
✅ Value for Money (VFM) Deal
✅ Warranty 5 Years

Buying Guide to choose the Best AC Voltage Stabilizer

How to choose the Best AC Voltage Stabilizer ?

Choose the right Voltage Stabilizer by knowing the power requirements of your AC – The most straightforward way to achieve this is to buy a stabilizer that is designed for your AC operating tonnage.

Also, if you are a resident of an area where there is an erratic power supply, frequent disconnections and issues with spikes in voltage, we would advise that the range of voltage at your residence also be checked before making the purchase.

There could be a possibility that you would either need a Double booster Stabilizer or even a Triple Booster Stabilizer if the power supply is erratic.

The other deciding factors are as follows –

Wide Voltage working range of the stabilizer – Choose a stabilizer that is designed to work across a wide voltage working range example from 170 V to 270 V for an AC upto 1 ton is good.

Placement of the Stabilizer – The device would ideally need to be placed near the AC. We do recommend mounting the stabilizer as there is always a risk of getting damaged or wet if it’s placed on the floor. Needless to say that if you have small children, it’s safe to place it on a stand near the AC.

Stabilizer Colour – Since the device is going to be mounted, you do want to choose a colour that matches the theme of your home or at least the AC itself.

Indicators/Digitized Display – Many models have indicators to display the regulated voltage. Newer models have digitized displays to show the voltage. For easy Unit

IC TECHNOLOGY DESIGN

Intelligent Time delay systems – This feature causes the time delay, which gives the AC compressor the necessary time to balance the power when there is a short-term power reduction.

IC based technology – The latest IC based circuitry design ensures more reliable output voltage by correcting the input Voltage.

Built in Thermal overload protection for the Stabilizer – True, the Voltage stabilizer protects the connected equipments. But what happens, if there is a short circuit or any burnout due to overload? The Overload protector would completely cut-off the output of the stabilizer.

Warranty – Please check the warranty availability and terms before deciding on the choice of the stabilizer.

AC Voltage Stabilizers FAQ's

How does a Stabilizer work?
The stabilizer protects the device it’s connected to by regulating the Voltage. The stabilizer is designed to keep a check on voltage fluctuations, and it internally adjusts it.

HOW VOLTAGE STABILIZER WORKS

If the Voltage is High the stabilizer steps down the Voltage. If it’s Low, the stabilizer will step up the Voltage. The power, in turn, is fed to the connected equipment, protecting the electrical or electronic device from voltage spikes – High or low Voltage.

Do I need a stabilizer for my electrical/electronic equipment?
Electrical and electronic equipments are designed to work with efficiency with a standard power source.

The Power supply in your area of residence will determine the need. In India, the standard operating voltage is 230 V AC (Alternating Current).

If you are a resident of an area where there is frequent power disconnections or you are aware of visible voltage fluctuations evident from Lights going dim or too bright, a voltage stabilizer is a must.

For the others not experiencing these issues, it is still essential to have a voltage stabilizer for your AC. The reasoning is that, there are power surges/spikes in voltage in most parts of India and studies have shown that even the rare power cut could cause a potential power surge beyond the optimum range that could damage the equipment.

These issues are catapulted in the monsoon and also in the summer season because of the increased load.

In conclusion, if the longevity and the Optimal workings are a concern, a Voltage Stabilizer is an often underrated product usually not very expensive compared to the device or devices it protects, but very important for its utility.

AC Voltage Stabilizers Price and Price Comparison

“Here you will find prices of all the products mentioned in this feature”

V-Guard VG 400 Voltage Stabilizer
Microtek-EM4160+ AC Stabilizer
Microtek EM5170+ Voltage Stabilizer
MONITOR 4-KVA Voltage Stabilizer

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