Best Stabilizer for AC in India 2019 – Reviews & Buyer’s Guide

Best Stabilizer for AC in India 2019

The mercury is at its peak during the hot summer days. As temperature increase, most of us resort to keeping our homes cool by using air conditions.

Power cuts and Voltage fluctuation is pretty common in those days. This voltage fluctuation can damage appliances.

When we decide to buy any electrical appliances, the first question in our mind is ‘Do we need to invest in a Stabilizer too?’

Stabilizer keeps the appliances safe and doesn’t let those untimely fluctuations cause them any trouble.

A Stabilizer is an electrical device used to feed constant voltage-current to electrical appliances like AC and Refrigerators. It protects them from damage due to undesirable voltage fluctuations.

It is essential that you carefully choose the right kind of voltage stabilizer according to the air conditioner that you have and your other requirements.

Based on Market Research, we have prepared a buyer’s guide along with a list of 10 Best Stabilizer for AC in India 2019.

We highly recommend you to read our buying guide located towards the bottom of this post.


Comparison Chart for Top 10 Stabilizers for AC in India

Stabilizer for ACVoltage Range (V)Warranty
V-Guard VG 400170 - 2703 years
Vosta V3140 - 2603 years
Microtek EM4150+150 - 2803 years
V-Guard VG 500170 - 2703 years
V Guard VWI 400130 - 2803 years
V-Guard VND400150 - 2903 years
Microtek EM4130+130 - 3003 years
V-Guard VWR 400130 - 3003 years
Microtek EM4160+160 - 2853 years
V-Guard VND 400 Plus150 - 2853 years

Which are the 10 Best Stabilizers for AC in India for 2019?

1. V-Guard VG 400 Voltage Stabilizer (Grey)

V-Guard VG 400
From INR 2,500.00 INR 1,609.00
Save INR 891.00 ( 36% )
(as of 17/06/2019 01:56 IST - Details)


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V-Guard provides a wide range of voltage stabilizers so that you find a perfect fit for your electronic device.

The VG 400 voltage stabilizer works to keep your appliance safe from uncertainties of power outages and fluctuations.

Key Features

  • V-Guard VG 400 stabilizer is suitable for air conditioner up to 1.5 ton.
  • It is made of ABS plastic abs material that is durable and lasts a long time.
  • It operates well in a acceptable range of 170-270 volts.
  • It offers high/low-voltage break in system.
  • It is built with thermal overload protection.
  • It comes with an intelligent time-delay feature.
  • V-Guard comes with 3 years of warranty.
  • It comes in a sleek cabinet with wall moun facility.

  • Its superior IC technology provides advanced protection to your AC.
  • It helps the compressor garner proper balancing time when there are frequent-power-outages.
  • Its ITDS technology assures a proper safety net for the compressor of your AC.
  • It comes with the user-friendly LED Status Indicator.
  • It protects AC and makes it last longer.

2. Vosta V3 Voltage Stabilizer by Powermax Fitness – Engineered for Heavy Treadmills and Home Use Appliances (Input: 140~260 VAC & Output: 220 VAC)

Vosta V3
From INR 6,500.00 INR 5,000.00
Save INR 1,500.00 ( 23% )
(as of 17/06/2019 01:56 IST - Details)


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Vosta V3 Stablizier is designed for heavy treadmills and home-appliances such as LCD & LED Television, Refrigerator, Air Condition, etc.

Key Features

  • It is integrated with zero cross switching technology with highly efficient, 100% copper winding toroidal transformer.
  • It works on a voltage of 140-260 VAC.
  • It has 6s to 180s of time-delay function.
  • Its CRGO transformer gives maximum output efficiency of 98%.
  • It has MCU controlled circuit for precision and regulated output.
  • It comes with a digital LCD which displays input and output voltage with 3 LED indicators.
  • It comes with three years of powermax domestic Indian warranty.
  • With its high & low voltage cut off technology, it ensures the safety of connected devices.

  • It provides high & low voltage halt function.
  • It better handles when voltage fluctuates.
  • It is durable and easily mountable.
  • It offers full protection design for overheat and short circuit.

What we didn’t like

  • Vosta V3 stabilizer is bit pricey.

3. Microtek EM4150+ 150V-280V Digital Display Voltage Stabilizer (Grey) for AC Upto 1.5 Ton

Microtek EM4150+
From INR 3,840.00 INR 2,159.00
Save INR 1,681.00 ( 44% )
(as of 17/06/2019 01:56 IST - Details)


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Microtel EM4150 has silicon-based transistors and silver caked relays.

It features an Intelli microchip design that provides high performance and better reliability. It is the best voltage stabilizer in India with time delay feature for better reliability.

Key Features

  • Microtek EM4150 is suitable for AC’s up to 1.5 tons.
  • It comes with an advanced seven-segment digital-display.
  • Its operating voltage is 150-280 volts.
  • It has Intelli thermal management and silver-caked relay.
  • It features smart time-delay-system for better reliability.
  • Microtek provides three years warranty for product.

  • It is slim, compact and durable.
  • It is easy to install.
  • It has an ergonomic wall mounting design that makes it easy to install.
  • It provides better reliability and saves electricity.

What we didn’t like

  • It doesn’t have plug-socket. You have to purchase it separately.
  • It has limited voltage input capacity.

4. V-Guard VG500 Voltage Stabilizer for AC up to 2 Ton (170 – 270 V, Grey)

V-Guard VG500
From INR 3,250.00 INR 2,105.00
Save INR 1,145.00 ( 35% )
(as of 17/06/2019 01:56 IST - Details)


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The V-Guard VG 500 voltage stabilizer is one of the Best Voltage Stabilizers in India when it comes to higher voltage capacity for an air conditioner.

It can work with all type of regular or inverter split ACs from all brands of air conditioners in the market.

Key Features

  • It is suitable for one air conditioner up to 2 ton. The product leads to shut down outside this range.
  • The voltage stabilizer has aluminium winding.
  • It works on an average voltage input of about 170-270 volts.
  • It has built-in thermal overload protection feature.
  • It comes with an intelligent time-delay system.
  • It comes with voltage cut-off option.
  • Its HMC technology provides reliable protection for the air conditioner.
  • V-Guard offers a warranty of three years on the product.

  • It offers protection from both under volt as well as overvolt situations.
  • It is long lasting and durable as it is made of ABS based material.
  • It has the latest IC technology that assures the safety of AC.
  • It uses save power technology which gives better reliability during frequent power-cuts and fluctuations.
  • It automatically steps up and down.
  • It is compact and affordable.
  • It is easy to install/mount.

What we didn’t like

  • It doesn’t have an input/output voltage display.

5. V Guard VWI 400 2850-Watt AC Stabilizer (White)

V Guard VWI 400
From INR 5,999.00 INR 4,799.00
Save INR 1,200.00 ( 20% )
(as of 17/06/2019 01:56 IST - Details)


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The V-Guard VWI 400 classy white stabilizer is the perfect combination of sleek, compact and easy to install design. If you need a low cost and efficient stabilizer, then this stabilizer is an ideal choice. Its electronic circuitry is very sophisticated to sense a minimal voltage fluctuation.

Key Features

  • It operates well in the range of 130 to 280 volts.’
  • This is the perfect stabilizer for inverter or regular air conditioners.
  • It has an intelligent time-delay function.
  • It comes with three years warranty on product.
  • It has a seven segmented digital-display.
  • It provides low and high voltage cutoff protection feature.

  • It handles voltage fluctuations well.
  • It is lightweight and can be easily mounted.
  • It is built with latest IC-technology that ensures reliable protection.

What we didn’t like

  • It is a bit expensive.
  • There is no on/off switch in it.

6. V-Guard VND400 Voltage Stabilizer for 1.5 Ton AC (150V – 290V)

V-Guard VND400
From INR 3,990.00 INR 2,690.00
Save INR 1,300.00 ( 33% )
(as of 17/06/2019 01:56 IST - Details)


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V-Guard VND400 Stabilizer offers smart features that add an advanced layer of protection to your air conditioner. It is one of the best voltage stabilizers for ACs with auto start function when connected to the power supply with the designed input voltage range as per requirement.

Key Features

  • V-Guard VND400 is suitable for ac upto 1.5 ton.
  • Its input power range is 150 to 290 volts.
  • It provides low & high halt protection.
  • It features built in thermal high temperature overload protection.
  • V-Guard offers warranty of three years on the product.
  • It is equipped with latest IC technique.
  • The capacity of the stabilizer has a capacity of 12 amperes.

  • It ensures reliable protection.
  • It is long lasting and durable as it is made of fine ABS cabinet.
  • It doesn’t heat up.
  • It is elegant and easy to install.
  • It comes with wall mountable cabinet design.
  • It works efficiently under low voltage condition.

7. Microtek EM4130+ 130V-300V Digital Display Voltage Stabilizer (Grey) for AC Upto 1.5 Ton

Microtek EM4130+
From INR 5,690.00 INR 3,646.00
Save INR 2,044.00 ( 36% )
(as of 17/06/2019 01:56 IST - Details)


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Microtek EM4130 voltage stabilizer is an innovative stabilizer and designed with the latest technology.

It provides high performance better reliability throughout frequent power-cuts and voltage fluctuations and saves electricity.

Key Features

  • Microtek EM4130 stabiliser is based on save power technology.
  • It is ideal for AC up to 1.5 ton.
  • It has Intelli microchip-based design.
  • It comes with an intelligent system of time-delay.
  • It provides a low and high cut off voltage protection.
  • It has silver-caked relay system.
  • Its operating power is 130 to 300 volts.

  • It is easy to install.
  • It comes with wall mounted cabinet design.
  • It handles voltage fluctuations effectively.’
  • It is energy efficient voltage stabiliser.

8. V-Guard VWR 400 Voltage Stabilizer (Grey)

V-Guard VWR 400
From INR 5,899.00 INR 4,121.00
Save INR 1,778.00 ( 30% )
(as of 17/06/2019 01:56 IST - Details)


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V-Guard VWR 400 Stabilizer comes with the state-of-the-art technology to provide secure protection to your air conditioner.

It comes with a smart digital display system, overload protection and a host of other features.

Key Features

  • V-Guard VWR 400 is ideal for air conditioner up to 1.5 Ton.
  • It comes with latest IC technique that assures reliable protection.
  • Its voltage is 130-300 volts.
  • It provides low and high voltage break protection.
  • It supports built-in thermal-overload-protection that protects the stabilizer and compressor.
  • It is powered with Intelligent time delay option.
  • This stabilizer comes with three years of warranty.

  • It is easy to install/mount.
  • It is durable and provides complete power protection.
  • It comes with the digital-display.
  • It supports the compressor in balancing load effectively.

9. Microtek EM4160+ 160V-285V Digital Display Voltage Stabilizer (Grey)

Microtek EM4160+
From INR 2,800.00 INR 1,900.00
Save INR 900.00 ( 32% )
(as of 17/06/2019 01:56 IST - Details)


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Microtek EM4160 gives High Performance, Better Reliability during frequent Power Cuts and Voltage Fluctuations.

Key Features

  • This stabilizer is suitable for ACs up to 1.5 tonnes.
  • Its efficient working range is 160-285 volts.
  • It comes with low and high cut-off protection system.
  • It offers durability and strength to stabilizers as it is made of metal.
  • It has Intelli Microchip-based design.
  • It comes with silver caked relays.
  • It comes with a Save Power technology.
  • It provides three years warranty on the product.

  • It is easy to install/mount.
  • It is compact and durable.
  • It comes with digital input/output display.
  • It handles voltage fluctuations efficiently.

What we didn’t like

  • Its cable quality is average.
  • There is no on/off switch.

10. V-Guard VND 400 Plus Voltage Stabilizer (Grey)

V-Guard VND 400 Plus
From INR 4,275.00 INR 3,130.00
Save INR 1,145.00 ( 27% )
(as of 17/06/2019 01:56 IST - Details)


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V-Guard VND400 Plus Stabilizer offers excellent features that add an advanced layer of protection to your air conditioner. This stabilizer starts automatically when mains are sensed with the designed input voltage range.

Key Features

  • This stabilizer is suitable for ac up to 1.5 Ton.
  • Its input power range is 150-285 volts.
  • It provides low & high voltage fluctuation protection.
  • It features built in thermal overload-protection.
  • It comes with three years warranty.
  • It works efficiently under low voltage condition.
  • It comes with wall-mounting cabinet design.
  • It has latest IC-technology that assures reliable protection.

  • It assures reliable protection.
  • It is long lasting and durable as it is made of ABS-cabinet.
  • It is elegant and easy to install.
  • It doesn’t heat up.

Most Popular Stabilizer Brands for AC in India

  • Microtek
  • V-Guard
  • Vosta

How to Choose Stabilizer for AC?

All the home-appliances come with their own specifications and features. Before buying a voltage stabilizer for your AC, keep these points in your mind:

Different electrical devices work on different voltages and use different units of electricity. So, There are different type of voltage stabilizers for single-phase and three-phase voltage power supply.

The standard voltage in India is around 230 volts, alternate at 50 cycles (Hertz) per seconds.

Know the Load Connected to Your Stabilizer

The maximum power of any device can be calculated by multiplying 230 x maximum rated current.

(The current, voltage & power rating of the device is mentioned on the specification sticker or in the user manual.)

Once you have an idea about the range of power consumed by an AC, it will help you to select a suitable stabilizer for air conditioner of your home.

Choose the Right Size of the Stabilizer

The size of the stabilizer is similar to that of an inverter or a UPS. All the stabilizer come in either Volt-Ampere (VA) or Kilo Volt Ampere (kVA).

1kVA = 1000VA

You must calculate the correct amount of power of voltage stabilizer that you will need.

For instance, if the sum of watts connected to the stabilizer is 1000, then you need to take a 1200VA stabilizer.

The watt value must be raised by 20% to get an approximate value of VA size that is suitable for you.

You must keep in mind that the 20% value is only for households, but not for commercial purposes, as the power factor is bad.

Mounting

There is always a risk of stabilizer getting damaged due to power surges  or wet when placed on the ground or anywhere unsafe. Therefore these stabilizers will need to keep at higher places than the ground level.

Keeping the stabilizer at a higher platform protect it from any damage and it also saves children in the house from an electric shock.

Hence wall mounted stabilizer is recommended.

Time Delay Systems

This feature of stabilizer allow the compressor to enables a time lapse to generate the required voltage. In the case of a power cut, this feature gives compressors sufficient time to balance the current flow and voltage.

Indicators

An indicator in a voltage stabilizer is a handy feature as it displays the voltage which has been regulated by the stabilizer.

Some of the best models include LED indicators.

Digitised

A lot of the advanced models are digitized to making the function of voltage stabilizer more reliable and accurate.

The digital technology of the voltage stabiliser helps it to adapt it to several appliances.

Overload Protection

Some stabilizers have surge protection or spike guard that turns off the stabilizer output in case of short circuits or any kind of burn-out. Most of the stabilizers comes with copper windings but some of the products use aluminium windings.


Frequently Asked Questions

How Much Electricity Do Voltage Stabilizers Consume?

Electricity consumption of the stabilizer depends on the efficiency of the stabilizer. They only consume about 2-5% of the maximum load.

So if you have 1kVA stabilizer, it would consume about 50 Watts.

What Are the Reasons for Voltage Fluctuation?

Voltage fluctuation can cause due to bad wiring, overload, sudden switching on of high powered devices (like refrigerators, air conditioners), bad earthing, or short circuits.

Does a Stabilizer Give Constant Voltage Output?

Voltage stabilizers stabilize the voltage to the load. These are not meant to provide a constant output of voltage.

It operates the device in a safe voltage range.

Can Regular Stabilizer Be Used for the Air Conditioner?

No, normal stabilizer can’t be used for the air conditioner. For AC, you need extra safety. The intelligent time delay system (ITDS) technology ensures proper protection for the compressor of AC.

Does Stabilizer Reduce the Electricity Bill?

The stabilizer will keep your power consumption stable and may reduce it. However, the stabilizer itself wastes up to 5% of the energy unless you run it at peak loads.

It only protects the load from brownouts and surges.

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