Lets compare Venus and Vguard storage water heater by their features:

FeaturesVenus Water HeaterVguard Water Geyser
Inner Tank ProtectionPorecelain Enamel Glasslined Tank with magnesium rodAdvanced Vitreous Enamel Coating with Sacrificial Magnesium Anode
Heating ElementIncoloy 800 Incoloy 800
Outer TankPre-coated metal sheet with Rustproof PP lidsCorrosion-resistant powder coat mild steel
Warranty2 yr comprehensive
3 yr heating element
7 yr tank warranty
2 yr comprehensive
3 yr heating element
5 yr tank warranty
Temperature AdjustmentTemperature Control Knob from 25-75°CTemperature Control Knob from 25-75°C
Venus geyser offers extra inner water tank warranty, rest everything is almost same. Few good Venus water heater deals below……
Venus Audra 15L (Ivory) Storage Water Heater | 5-Star BEE | Hard Water Friendly Geyser 15 ltr capacity | Porcelain Enamelled Tank | Free Flexible Hose | 8 Bar | Guarantee - 7 Years on Inner Tank
  • TYPE: Storage Geyser; Capacity -015L, Wattage - 2000 Watts; Pressure: 8 Bars; BEE rating:5 Star:ISI mark
  • INNER TANK: Porcelain Enamel Glasslined Tank ; Heating Element: Incoloy 800 ; Outer Body Material: Pre-coated metal sheet;Rustproof PP lids;Dual Indicator-Red light(Power);Green Light(Heating)
  • 3cm thick PUF insulation : 3cm extra thick (PUF) insulation keeps the water hot for a much longer time and reduces energy consumption.
  • Heat Retention Technology : No Thermal Bridge between the Tank and the external Housing, there by enabling 16% lower Thermal Losses.
  • Max Safety: Automatic Thermostat, Multifunction valve and thermal cutout ensure protection from overheating, dry heating and high pressure
Venus Tefra 5 - Litre Instant Water Heater (white) | 100% Copper Element | 3000 Watts | Geyser for Bathroom and Kitchen | 5 Year Inner tank warranty | Fast Heating | Compact & Durable | Auto Shut-Off
  • TYPE: Instant; Capacity-5 Litres, Wattage - 3000 Watts; Pressure: 6.5 Bar Pressure Compatibility
  • Elegant smooth design;Two Indicator lamps Red for power and green for Heating.
  • INNER TANK: Hi Grade SS304 inner Tank for corrosion free performance; Heating Element: High Quality Copper Element for longer performance
  • Over heating protection
  • Guarantee -5 Years on Inner Tank, 2 Years on Heating Element & 2 Years on Product
VENUS ZYLO 3 Litre Instant water heater with 3kW copper element | Instant Geyser for Bathroom and Kitchen | Fast Heating | Compact & Durable | Auto Shut-Off | 5 Year Inner tank warranty.
  • Type: Instant; Venus Zylo Instant Water Heater; Capacity: 3 Litres, Wattage - 3000 Watts; Pressure: 6 Bars.
  • Elegant Smooth Design; Two Indicator Lamps Red For Power And Green For Heating.
  • Inner Tank: Hi Grade SS304 Inner Tank For Corrosion Free Performance; Heating Element: High Quality Copper Element For Longer Performance.
  • Overheating Protection: Senses Water Temperature Quickly And Precisely Protect Against Over Heating Safety Function.
  • Protection: Maximum Protection Against Hard water & Corrosion
Venus MegaPlus 25L Storage water heater (White) | 4-Star BEE | Hard Water Friendly | Porcelain Enamel Tank | Multi-Safety System | 8 Bar Pressure | Ideal for Flats & Tall Buildings | 8 BARS
  • Geyser 25 Litre, Storage Water Heater; Capacity -25 Litre (White), Wattage - 2000 Watts; Pressure: 8 Bars; BEE rating: 4 Star. Porcelain Enamel Glasslined Tank protects the tank from rust and corrosion.
  • INNER TANK: Porecelain Enamel Glasslined Tank; Heating Element: Incoloy 800 element ; Outer Body Material: PP;Rust-proof PP lids
  • HEATING ELEMENT: Incoloy 800 element: Withstands temperature up to 1000°C. Long lasting, even in case of hard water. Reduces scale formation. Prevents premature element failure.
  • PUF INSULATION: Extra thick PUF, Reduces Heat loss and keeps hot water for longer duration, ensures energy saving.
  • MAGNESIUM ANODE: A Special device to enhance the corrosion protection of the tank by means of "Cathode Action".
Venus MegaPlus 10Litre Storage Water Heater (Geyser) (White, 4 Star Rated) | Porcelain Enamel Tank | Hard Water(Corrosion Resistant)| Multi-Safety System | High-Rise Compatible | 8 BARS Pressure
  • Geyser 10 Litre, Storage Water Heater; Capacity -10 Litre, Wattage - 2000 Watts; Pressure: 8 Bars; BEE rating: 4 Star. Porcelain Enamel Glasslined Tank protects the tank from rust and corrosion.
  • INNER TANK: Porecelain enamel glasslined tank protects the tank from rust and corrosion. , heating element: Incoloy 800 element , outer body material.
  • HEATING ELEMENT: Incoloy 800 element: Withstands temperature up to 1000°C. Long lasting, even in case of hard water. Reduces scale formation. Prevents premature element failure.
  • PUF INSULATION: 25 ltr Geyser with Extra thick PUF, Reduces Heat loss and keeps hot water for longer duration, ensures energy saving.
  • MAGNESIUM ANODE: A Special device to enhance the corrosion protection of the tank by means of "Cathode Action".
Venus Splash Copper 15CU 15-Litre Storage Water Heater For Bathroom | BEE Star Rating - 4 Star) | Guarantee -10 years on Inner Tank | (Ivory)
  • Type: Storage; Capacity -15L; Wattage - 2000 Watts; Pressure: 6 Bars; BEE rating: 4 Star
  • Inner Tank: 99.9 Percent Pure Copper Tank; Heating Element: Super Heavy Gauge Copper Element; Outer Body Material: ABS Material
  • Product dimensions: 475mm (height) x 316 mm (width) x 325 mm (length)
  • Guarantee -10 years on Inner Tank, 4 years on Heating Element and 2 years on Product
  • Included in the box: 1 Storage water heater, Flexible hose, user manual, Installation Kit, Wall fixing card
Venus Audra 15 - Litre (White) Storage Horizontal Water Heater | Porcelain Enamelled Tank geyser | 3 Stars | Corrosion resistance | ISI | Free Flexible Hose | Guarantee - 7 Years on Inner Tank | 8 Bar
  • Type: Storage-Horizontal Geyser, Capacity - 15L, Wattage - 2000 Watts; Pressure: 8 Bars; BEE rating: 3 Star: ISI mark
  • Storage water heater for bathroom
  • Perfect fit for modern false ceiling setups, Built to perform in high-rise environments
  • Guarantee -7 Years on Inner Tank, 3 Years on Heating Element & 2 Years on Product
Venus Splash Copper 10CU 10-Litre Storage Water Heater (Ivory, BEE Star Rating - 4 Stars) | Guarantee -10 years on Inner Tank
  • Type: Storage; Capacity -10L; Wattage - 2000 Watts; Pressure: 6 Bars; BEE rating: 4 Star
  • Inner Tank: 99.9 Percent Pure Copper Tank; Heating Element: Super Heavy Gauge Copper Element; Outer Body Material: ABS Material
  • Product dimensions: 350mm (height) x 316 mm (width) x 316 mm (length)
  • Guarantee -10 years on Inner Tank, 4 years on Heating Element and 2 years on Product
  • Included in the box: 1 Storage water heater, Flexible hose, user manual, Installation Kit, Wall fixing card

Venus Water Heaters and V-Guard Geysers both are renowned Indian brands which excel in manufacturing water heaters aka geyser as we popularly call in India. Both offer pan India service and support with free installation on any geyser sold Indiawide.

Venus Water Heater is part of Venus Home Appliances a Tuticorin TN based company which is makes small appliances within India for more than half a century.

Vguard is a Kochi KL based company which is more than 4 decades old. As the name suggests started as voltage stabilizer based co and later ventured into other products using it old reliable service network.

Above comparison is true for both storage and instant water heater. Nowadays one more category called tankless water heater is available in the market.