What size solar water heater do I need for a family of 4 in Coimbatore?

A 150–200 LPD solar water heater is ideal for a family of 4 in Coimbatore. The V-Guard TruHot 200 Pro is the most popular choice. Arun Hitech at Kariyampalayam offers free site visit and capacity assessment. Call 99424 87774.

Is 100 LPD solar water heater enough for 2 people?

Yes, a 100 LPD V-Guard solar water heater is sufficient for 2 people with normal bathing and kitchen use. It provides approximately 100 litres of hot water daily at 60°C, which covers 2–3 baths comfortably.

What is the price of 200 LPD V-Guard solar water heater in Coimbatore?

V-Guard TruHot 200 Pro solar water heater price in Coimbatore is approximately ₹28,000–₹36,000 including installation and 10-year warranty. Contact Arun Hitech at 99424 87774 for exact current pricing.

Does solar water heater work in cloudy weather in Coimbatore?

Yes, V-Guard ETC (Evacuated Tube Collector) solar water heaters work even on cloudy days, though at reduced efficiency. For Coimbatore's climate with 300+ sunny days, the system achieves 90%+ efficiency annually. A backup electric heater element handles fully cloudy days.

How to Choose the Right Solar Water Heater Capacity for Your Home — 2026 Guide

By Arun Hitech | Updated May 2026 | 5 min read

V-Guard solar water heater capacity guide Coimbatore

Choosing the wrong capacity solar water heater is the #1 mistake homeowners in Coimbatore make. Too small — you run out of hot water. Too large — you overpay and the system runs inefficiently. This guide by Arun Hitech, V-Guard's authorized dealer with 1,500+ installations, shows you exactly how to choose.

The Simple Rule: 25 Litres Per Person Per Day

V-Guard and all solar water heater manufacturers use a standard benchmark of 25 litres of hot water per person per day for bathing and kitchen use in Indian homes.

Family Size	Recommended Capacity	V-Guard Model	Price Range
1–2 members	100 LPD	TruHot 100 Pro	₹18,000–₹24,000
3–4 members	150–200 LPD	TruHot 200 Pro	₹26,000–₹38,000
5–6 members	250–300 LPD	TruHot 300 Pro	₹42,000–₹58,000
Apartment/Villa	300–500 LPD	FPC Series	₹65,000–₹95,000

3 Factors That Affect Capacity Choice in Coimbatore

1. Water Quality (Hard Water vs Soft Water)

Coimbatore has moderately hard water in areas like Peelamedu, Saravanampatti, and Ganapathy. Hard water causes scale buildup inside the tank, reducing efficiency by 15–20% over time. For hard water areas, choose a V-Guard pressurized model or add a water softener.

2. Roof Space Available

A 100 LPD collector needs about 2 sq.m of south-facing roof space. A 300 LPD system needs 5–6 sq.m. Arun Hitech provides free site visits to assess your roof before recommending a capacity.

3. Usage Pattern (Morning vs Evening Peak)

If your family uses hot water mainly in the mornings, a standard ETC system works perfectly. If you need hot water at night or in cloudy weather, choose a V-Guard heat pump instead — it works 24/7 regardless of sunlight.

💡 Arun Hitech Pro Tip: For Coimbatore's climate with 300+ sunny days per year, a 150 LPD system for a family of 4 gives the best ROI — typically recovering the cost in 2.5 to 3 years through electricity savings.