Best Stabilizer for AC in India 2019

Best Stabilizer for AC in India 2019 | Buying Guide

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.

You can view our buying guide for Air Conditioners.

Based on our Market Research, we have prepared a list of Top 10 Best Stabilizer for AC in India. It includes detailed customer reviews, key features, what we like and what we didn’t like.

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


Top 10 Stabilizers for AC in India – Comparison Chart

Stabilizer for ACVoltage Range (V)Warranty 
V-Guard VG 400170 - 2703 years Buy at Amazon
V-Guard VG 500170 - 2703 years Buy at Amazon
Monitor 4-KVA170 - 2705 years Buy at Amazon
Vosta V3140 - 2603 years Buy at Amazon
V Guard iD4 Prima160 - 2803 years Buy at Amazon
V-Guard VWI 400 Smart130 - 2803 years Buy at Amazon
Microtek EM5150+150 - 2903 years Buy at Amazon
V-Guard VG 400 AE 10170 - 2703 years Buy at Amazon
V-Guard VND400150 - 2903 years Buy at Amazon
Microtek EM4160+160 - 2853 years Buy at Amazon

Which is the Best Stabilizer for AC in India for 2019?

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

V-Guard VG 400
From INR 2,500.00 INR 1,479.00
Save INR 1,021.00 ( 41% )
(as of 18/02/2019 09:57 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 keeps 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 material that is durable and lasts a long time.
  • It operates well in the range of 170-270 volts
  • It offers low and high voltage cut-off protection.
  • It is built with thermal overload protection.
  • It comes with an intelligent time delay system.
  • V-Guard comes with 3 years of warranty.
  • It comes in a sleek cabinet with wall mounting option.

What we like

  • 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. V-Guard VG 500 Voltage Stabilizer for AC up to 2 Ton (170 – 270 V, Grey)

V-Guard VG 500
From INR 3,250.00 INR 1,798.00
Save INR 1,452.00 ( 45% )
(as of 18/02/2019 09:57 IST - Details)


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V-Guard VG 500 stabilizer is one of the best stabilizers when it comes to higher voltage capacity for an air conditioner.

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.
  • It comes with an intelligent time delay system.
  • It comes with high and low cut-off protection.
  • Its HMC technology provides reliable protection for the air conditioner.
  • V-Guard offers three years warranty on the product.

What we like

  • It offers protection from both under volt as well as overvolt situations.
  • It is long lasting and durable as it is made of ABS 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.

3. Monitor 4-KVA Wall Mountable Voltage Stabilizer For 1.5 Ton AC (100% Copper)

Monitor 4-KVA

Monitor 4-KVA voltage stabilizer is an innovative voltage stabilizer and designed with the latest technology.

Key Features

  • Monitor 4-KVA stabilizer is suitable for AC upto 1.5 tones.
  • It has 100% copper winding which helps the product to save power.
  • Its operating voltage range is 170-270 volts.
  • It provides high voltage cut-off protection.
  • It comes with an intelligent time delay system.
  • The product comes with 5-years replacement guarantee.
  • It has epoxy heavy coated metal body.

What we like

  • It comes in a sleek cabinet with wall mounting option.
  • It is durable and provides complete power protection.
  • It comes with user-friendly LED indicator.
  • It can be conveniently mounted on the wall/floor.
  • It is highly affordable.

4. 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 7,500.00 INR 4,500.00
Save INR 3,000.00 ( 40% )
(as of 18/02/2019 09:57 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 toroidal transformer.
  • It works on a voltage of 140-260 VAC.
  • It has 6s to 180s of time delay function.
  • Its CRGO transformer gives 98% output efficiency.
  • 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 voltage cut-off technology, it ensures the safety of connected devices.

What we like

  • It provides low and high voltage cut-off protection.
  • It handles voltage fluctuation well.
  • 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.

5. V Guard iD4 Prima 2040 AC Stabilizer for Inverter AC Upto 1.5 Ton (White)

V Guard iD4 Prima

V Guard iD4 Prima stabilizer offers the optimal output voltage for your AC to function safely so that you can enjoy uninterrupted cooling.

Key Features

  • It is suitable for one inverter air conditioner up to 1.5 ton.
  • It has input voltage range of160-280 volts.
  • It comes with fire retardant ABS cabinet.
  • It has 7 segment digital display.
  • It has built-in thermal overload protection.
  • It has intelligent time delay system which offers approx 3 minutes of time delay.
  • The product comes with 3 years of warranty.

What we like

  • It offers low and high voltage cut-off protection.
  • It has latest IC technology that assures reliable protection.
  • It is slim, compact and lightweight.
  • It is easy to mount on wall/floor.

What we didn’t like

  • There is no on/off switch in it.

6. V-Guard AC Stabilizer – VWI 400 Smart For Inverter ACs Upto 1.5 Ton

V-Guard VWI 400 Smart

The V-Guard VWI 400 SMART adjusts the voltage at much quicker and accurate levels than the conventional or IC circuitry, thereby assuring a more reliable output voltage.

Key Features

  • Its working range is 130 to 280 volts and maximum output restricted up to 240 volts.
  • It comes with fire retardant ABS cabinet.
  • Its seven segmented digital display allows you to monitor the input and output voltage.
  • Its ITDS technology provides approx 3 minutes of time delay.
  • Its advanced circuitry micro-controller enhances the reliability and durability of the stabilizer.
  • It comes with three years of the product warranty.

What we like

  • The VWI 400 Smart comes in a sleek cabinet with wall mounting option.
  • It features a thermal sensor which prevents your appliances from burning out.
  • It offers low and high voltage cut-off protection.
  • It provides proper balancing time which ensures longer life of the air conditioners.
  • It comes in an attractive cabinet with wall mount facility.

What we didn’t like

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

7. Microtek EM5150+ For AC upto 2 Ton (150V-290V) Digital Voltage Stabilizer (Grey)

Microtek EM5150+

Microtek EM5150 Stabilizer is based on Save Power Technology and offers many unique features which provide High performance, Better reliability and Save electricity.

Key Features

  • EM5150 stabilizer is suitable for air conditioner upto 2 ton.
  • Its input power range is 150 to 290 volts.
  • It uses copper winded coil for its efficient functionality.
  • It comes with an advanced seven-segment digital display.
  • It offers low and high cut-off protection.
  • It comes with the three years of warranty.
  • It features smart time delay system for better reliability.

What we like

  • It has an ergonomic wall mounting design that makes it easy to install.
  • It steps up and steps down output voltage automatically according to AC.
  • Microtek provides an onsite (service at your doorstep) warranty.
  • It is slim, compact and durable.
  • It is easy to install.

What we didn’t like

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

8. V-Guard VG 400 AE 10 2850-Watt AC Stabilizer (White)

V-Guard VG 400 AE 10

V-Guard VG 400 AE classy white stabilizer is the perfect combination of sleek, compact and easy to install design. If you need a low cost and very efficient stabilizer, then this stabilizer is an ideal choice.

Key Features

  • VG 400 AE is suitable for air conditioners up to 1.5 ton.
  • It operates well in the range of 170 to 270 volts.
  • It has an intelligent time delay system.
  • It features a built-in thermal overload protection system.
  • It comes with a low and high voltage cut-off protection system.
  • V-Guard offers three years of the product warranty.
  • It comes with fire retardant ABS cabinet.

What we like

  • It supports the compressor in balancing loads effectively.
  • It is built with the latest IC technology that assures reliable protection.
  • It comes with a user-friendly LED indicator.
  • It handles voltage fluctuations well.
  • It is compact, lightweight and can be easily mounted.

What we didn’t like

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

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

V-Guard VND400
From INR 4,075.00 INR 2,599.00
Save INR 1,476.00 ( 36% )
(as of 18/02/2019 09:57 IST - Details)


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V-Guard VND400 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

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

What we like

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

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

Microtek EM4160+
From INR 3,590.00 INR 1,589.00
Save INR 2,001.00 ( 56% )
(as of 18/02/2019 09:57 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.
  • It works efficiently in the range of 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.

What we like

  • 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.

Best Stabilizer for AC Brands in India

  • Microtek
  • Monitor
  • V-Guard
  • Vosta

How to Choose Stabilizer for AC?

All the home appliances come with their own specifications and features.

Different electrical devices work on different voltages and use different units of electricity.

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 your air conditioner.

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 your voltage 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.

Important Features You Should Look Out for in a Stabilizer

Mounting

There is always a risk of stabilizer getting damaged 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

In the case of a power cut, this feature gives compressors sufficient time to balance the current flow.

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

This feature turns off the stabiliser output in case of short circuit or any kind of burn-out.


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 regulate the supply voltage to the load. These are not meant to provide a constant voltage output.

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.

Best Stabilizers for AC in India
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