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Frequently Asked Questions

Everything you need to know about V-Guard solar water heater, heat pump and solar panel — price, installation, warranty, maintenance, subsidy, EMI and more.

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General Questions

About Arun Hitech & V-Guard authorized dealership

Who is Arun Hitech?
Arun Hitech is a V-Guard authorized dealer based in Coimbatore, Tamil Nadu. We specialize in solar water heaters, heat pumps and solar panel installation. Since 2014, we've completed 1,500+ Installations across Coimbatore, Tiruppur, Erode, Salem and all of Tamil Nadu. Our address: 5/235D, Sathy Main Road, Opp to TNEB, Kariyampalayam, Coimbatore – 641653.
Are you really a V-Guard authorized dealer?
Yes. We are an officially authorized V-Guard dealer with valid certification. All products we sell are 100% genuine V-Guard with full manufacturer warranty. You can verify by contacting V-Guard customer care at 1800 103 1300.
Which areas do you serve?
We serve all major cities in Tamil Nadu: Coimbatore, Tiruppur, Erode, Salem, Pollachi, Karur, Trichy, Madurai, Chennai, Hosur, Namakkal, Udumalpet, Avinashi, Mettupalayam, Ooty, Sirumugai, Kovilpalayam, Dharapuram, Gobichettipalayam, and more.
What products do you sell?
We sell V-Guard solar water heaters (TRU HOT PRO, V-HOT PLUS, FPC GL series), heat pumps (V-HP 200/300/500 domestic, 1T-15T commercial, EVI cold-climate, V-SHP swimming pool), solar panel systems (on-grid, off-grid, hybrid 1kW to 100kW), and storage tanks (300L to 5000L).
Do you provide after-sales service?
Yes. We provide complete after-sales service including warranty repairs, AMC (Annual Maintenance Contract), genuine V-Guard spare parts, troubleshooting, and emergency service across Tamil Nadu. Average response time: 24-48 hours.
What are your business hours?
Monday–Saturday: 9:00 AM to 7:00 PM. Sunday: 10:00 AM to 4:00 PM. WhatsApp support is available almost anytime — typically replies within 30 minutes during business hours.
Can I visit your shop?
Absolutely! Visit us at 5/235D, Sathy Main Road, Opp to TNEB, Kariyampalayam, Coimbatore – 641653. We have V-Guard products on display. Walking in is welcome anytime during business hours, no appointment needed.
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Solar Water Heater Questions

V-Guard TRU HOT PRO, V-HOT PLUS & FPC series

What is the price of V-Guard solar water heater in Coimbatore?
V-Guard TRU HOT PRO solar water heater prices in Coimbatore (GST included): 100 LPD ₹23,500 · 150 LPD ₹33,000 · 200 LPD ₹39,500 · 250 LPD ₹48,000 · 300 LPD ₹56,500 · 500 LPD ₹69,000. Pressurised V-HOT PLUS and FPC GL Series available too. Call 99424 87774 for current offers.
Which capacity do I need for my home?
General rule: 25 litres per person per day. 100 LPD: 3-4 persons. 150 LPD: 5-6 persons. 200 LPD: 7-8 persons. 250 LPD: 9-10 persons. 300 LPD: 11-12 persons. 500 LPD: 18-20 persons (hostels/hotels). Free site visit for accurate sizing based on your bathing habits.
Does solar water heater work in cloudy weather?
Yes. V-Guard ETC (Evacuated Tube Collector) tubes capture diffused sunlight and heat water to 45-60°C even on cloudy days. For continuous monsoon days, we recommend an optional 2kW electric backup heater (additional ₹1,650). The system automatically switches to electric when sun is insufficient.
What is the difference between TRU HOT PRO and DAF?
TRU HOT PRO and DAF have similar specs and pricing. TRU HOT PRO is the newer model with improved tube design. Both are non-pressurised ETC systems with 10-year warranty. We recommend TRU HOT PRO for new installations.
What is pressurised vs non-pressurised solar heater?
Non-pressurised (TRU HOT PRO): Water flows by gravity. Cheaper, suitable for ground floor or 1-2 floors above heater. Pressurised (V-HOT PLUS, FPC): Withstands water pressure up to 6 kg/cm², ideal for showers, multi-floor buildings and apartments. Pressurised costs roughly 2× more.
Will it work with hard water (borewell)?
Yes. V-Guard tanks are glass-lined and corrosion-resistant. The ETC tubes (TRU HOT PRO) are also hard-water tolerant. For very hard water (TDS > 1500 ppm), we recommend annual descaling/cleaning to maintain efficiency.
What is the warranty on solar water heater?
V-Guard TRU HOT PRO & DAF: 10-year tank warranty. V-HOT PLUS Pressurised: 10-year tank warranty. FPC GL Series: 5-year tank warranty. All warranty serviced by V-Guard authorized service centres.
How much electricity does it save?
A 200 LPD solar water heater saves approximately 1,500-2,000 units (kWh) of electricity per year compared to a 2kW electric geyser. At ₹7-8 per unit, that's ₹10,500-16,000 yearly savings. Payback period: 2-3 years for residential, 1-2 years for hotels.
How much rooftop space do I need?
Approximate space needed: 100 LPD: 6×3 ft (18 sqft) · 150 LPD: 8×3 ft (24 sqft) · 200 LPD: 8×4 ft (32 sqft) · 300 LPD: 10×5 ft (50 sqft) · 500 LPD: 12×6 ft (72 sqft). Roof should face south or south-east for best sun exposure.
Is annual cleaning required?
Yes, recommended once a year. Tank cleaning (descaling), tube cleaning, leak check and water quality test. Cost: ₹500-1,500 depending on capacity and water quality. Saves long-term efficiency and extends product life.
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Heat Pump Questions

V-HP domestic, commercial, EVI, swimming pool

What is V-Guard heat pump price?
Domestic: V-HP 200 ₹1,45,000 · V-HP 300 ₹1,65,000 · V-HP 500 ₹2,50,000. Commercial: 1T ₹1,50,000 · 2T ₹1,78,000 · 3T ₹3,16,000 · 5T ₹3,93,000 · 10T ₹6,78,000 · 15T ₹9,04,000. All include GST. Call 99424 87774 for latest pricing.
How does heat pump work?
A heat pump extracts heat from ambient air using a refrigerant cycle (similar to AC reversed), and transfers that heat to water. With COP 4.32, every 1 unit of electricity produces 4+ units of heat — making it 4× more efficient than an electric geyser.
How much electricity does heat pump save?
Heat pump saves 60-80% electricity compared to electric geyser. Real example: Hotel using ₹15,000/month electric boiler reduces to ₹3,000-4,000 with V-HP 500. Hostel saving 70% on a ₹40,000/month bill saves ₹28,000 monthly. ROI typically 2-3 years.
Does heat pump work in winter?
Yes — V-Guard heat pumps work efficiently down to 5°C ambient temperature. For colder regions like Ooty, Kodaikanal, hill stations, we recommend the EVI (Enhanced Vapor Injection) series which works down to -15°C with minimal efficiency loss.
Is heat pump better than solar heater?
Both have advantages. Heat pump: works 24×7, all weather, ideal for hotels/hostels needing consistent hot water. Solar: zero running cost when sunny, lower upfront cost. Many customers combine both — solar for daytime, heat pump for backup. We help you choose based on usage pattern.
How noisy is a heat pump?
V-Guard heat pumps are very quiet — typically 48-55 dB (similar to a quiet refrigerator). They're suitable for residential terraces, hotel rooftops, and hospitals. We install with vibration dampeners to further reduce sound transmission.
What is the warranty on heat pump?
V-Guard heat pump comes with 3-year compressor warranty + 5-year tank warranty + 1-year comprehensive warranty (parts and labor). Tank: 5-10 years. We strongly recommend an AMC after warranty expires for continued reliability.
Where should I install the heat pump?
Heat pump should be installed in a well-ventilated area — terrace, balcony, or open utility area. It needs free airflow to extract heat from ambient air. Indoor closed rooms are NOT suitable. Distance from storage tank should be minimal (ideally less than 5 meters).
What capacity heat pump for hotels?
Rough sizing for hotels: Up to 20 rooms — V-HP 500 (500L). 20-50 rooms — V-HP 1T (1 ton). 50-100 rooms — V-HP 2-3T. 100-200 rooms — V-HP 5T. 200+ rooms — V-HP 10T or 15T. Free expert sizing visit available.
Heat pump tank — pressurised or non-pressurised?
Non-pressurised tanks (300L-3000L, ₹47,500-₹2,51,750): cheaper, gravity-fed, suitable for ground/single-floor distribution. Pressurised tanks (300L-5000L, ₹56,950-₹6,05,000): for shower pressure and multi-floor buildings. Most hotels and apartments need pressurised.

Solar Panel Questions

On-grid, off-grid, hybrid systems & subsidy

What is the price of solar panel in Coimbatore?
Approximate solar panel system prices (before subsidy): 1 kW: ₹50,000-₹70,000 · 3 kW: ₹1,80,000-₹2,40,000 · 5 kW: ₹3,00,000-₹3,80,000 · 10 kW: ₹5,50,000-₹7,00,000. PM Surya Ghar subsidy can reduce cost by 30-60% for residential up to 3kW.
What is the difference between on-grid, off-grid and hybrid?
On-grid: connected to TANGEDCO grid, sells excess power back, no battery. Cheapest option. Off-grid: with battery storage, works during power cuts, more expensive. Hybrid: combines both — grid + battery backup. Best for power-cut prone areas. Most homes choose on-grid for ROI.
How much subsidy can I get?
Under PM Surya Ghar Muft Bijli Yojana 2024: 1 kW ₹30,000 · 2 kW ₹60,000 · 3 kW & above ₹78,000 (max). Tamil Nadu may add additional state subsidy. Only for residential on-grid up to 10 kW. We assist with full application.
How much does solar panel reduce my electricity bill?
Typical reduction: 70-90% on home electricity bill. Real example: Customer in Saravanampatti had ₹3,500/month bill. After 3kW solar, bill reduced to ₹400/month — saving ₹37,000/year. ROI usually 4-5 years (faster with subsidy).
How much rooftop area do I need?
Approximately 80-100 sqft per kW. So: 1 kW = 80 sqft · 3 kW = 240 sqft · 5 kW = 400 sqft · 10 kW = 800 sqft. Roof should face south/south-east, with no shading from trees or adjacent buildings.
What is net metering?
Net meter measures both power consumed from grid AND power exported back to grid by your solar panels. TANGEDCO bills you only for "net" consumption. Excess solar generation is credited and adjusted in next bill. Arun Hitech handles net meter application for free.
What is the warranty on solar panels?
Solar panels: 25-year linear power output warranty (panel will produce at least 80% of rated capacity in year 25), 10-12 year product warranty. Inverter: 5-10 years. Mounting structure: 5+ years. Battery (if used): 5 years.
What if there's a power cut?
On-grid: Solar shuts off during power cut (safety regulation). Off-grid: Battery powers your home. Hybrid: Battery + solar continue working. If you face frequent power cuts, choose hybrid or off-grid. Else on-grid is most economical.
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Installation & Service

Site visit, installation time, AMC

Do you offer free site visit?
Yes — completely FREE. Our expert visits your home/site, checks rooftop space, water connection, OH tank height, sun exposure, and recommends the right product and capacity. No obligation to buy. Available across Coimbatore, Tiruppur, Erode, Salem.
How long does installation take?
Solar water heater: 4-6 hours (same day). Heat pump: 1 day. Solar panel 1-3 kW: 1-2 days. Solar panel 5-10 kW: 2-4 days. Larger commercial projects: 5-15 days. Net meter activation by TANGEDCO: 7-30 days.
What's included in installation?
Complete installation includes: product delivery, mounting structure (rooftop frame), pipe fitting, water connection from OH tank, electrical wiring, testing, demo to customer, and basic plumbing. Civil work like rooftop drilling/concrete work is included. Long-distance pipe extensions may be extra.
Do you offer AMC?
Yes. Annual Maintenance Contract (AMC) packages: Solar heater AMC: ₹500-1,500/year (1-2 visits). Heat pump AMC: ₹2,000-5,000/year (2-4 visits + priority service). Solar panel AMC: ₹2,500-10,000/year depending on system size. Includes scheduled service, priority repair and genuine spare parts.
What if a tube breaks or system fails?
During warranty: free replacement for manufacturing defects. Out of warranty: tube replacement ₹600-1,200 each. Tank issues: covered under V-Guard warranty for 10 years. Heat pump compressor: warranty included. Always use genuine V-Guard spares — call 99424 87774.
How quickly can you respond to service issues?
Within Coimbatore city: 24-hour response. Tiruppur, Erode, Salem: 24-48 hours. Other Tamil Nadu locations: 2-4 days. Emergency cases (no hot water in hospital/hotel): same-day response prioritized. AMC customers get priority response.
Do you replace existing old solar heater?
Yes. We dismantle old solar heater, dispose responsibly, and install new V-Guard system. We can re-use existing tank/structure if it's compatible and in good condition (saves cost). Site visit needed to assess. Old V-Guard system upgrade discount sometimes available.
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Pricing, EMI & Payment

Hidden costs, EMI options, GST

Are GST and installation included in price?
Yes — all prices on our website include GST 5% and standard installation in Coimbatore. Long-distance installations (Madurai, Chennai, etc.) may have additional transport charges. No hidden costs — quotation given upfront.
Do you offer EMI?
Yes. EMI available through partner banks for purchases above ₹15,000. Tenures: 3 / 6 / 9 / 12 / 18 / 24 months. Interest rates depend on bank and tenure (typically 12-15% p.a.). Bajaj Finserv, HDFC, ICICI EMI cards accepted.
What payment methods do you accept?
We accept: Cash, UPI (PhonePe/GPay/Paytm), Bank Transfer (NEFT/RTGS/IMPS), Credit/Debit Cards, Cheques, EMI via bank cards. GST invoice provided for all transactions.
Is advance payment required?
Typically: 50% advance at order confirmation, 50% on installation completion. For large commercial projects, custom payment terms (30-40-30 schedule) negotiable. Advance is required to procure your specific product from V-Guard warehouse.
Can I get a corporate or bulk discount?
Yes. Bulk discounts for: 5+ units same model · Hotel/hostel chains · Apartment complexes · Industrial projects · Government tenders. Discounts vary by quantity and product. Send requirement on WhatsApp 99424 87774 for custom quote.
Will prices increase or decrease in future?
Prices change based on V-Guard MRP revisions (usually annual), GST changes, and raw material costs. Generally stable but can shift ±5-10%. We always honor quoted price for 15 days from quotation date. Subsidy schemes also affect net cost.
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Still Have Questions?

Our team is happy to answer any specific question about V-Guard products, your home/business needs, pricing, EMI, subsidy, or service. Reach out — we respond within 30 minutes.

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Most Asked Questions

Solar Water Heater & Heat Pump — Top Questions Answered

How much does a solar water heater cost in Coimbatore in 2026?

Answer (May 2026): V-Guard solar water heater price in Coimbatore: 100L = ₹23,500 (2-3 people), 200L = ₹39,500 (4-5 people), 300L = ₹56,500 (6-8 people). All prices include installation, GST 5%, and 10-year tank warranty. Free site visit available — call 99424 87774.

How many years does V-Guard solar water heater last in Coimbatore?

Answer: V-Guard solar water heater lasts 15-20 years in Coimbatore. The glass-lined tank comes with 10-year warranty. ETC tubes last 10-12 years. Coimbatore's hard water can reduce tube life — we recommend annual tube cleaning service to maximize lifespan.

Does solar water heater work on cloudy days in Coimbatore?

Answer: Yes, V-Guard TRU HOT PRO works on cloudy days at 60-70% efficiency. Coimbatore gets 300+ sunny days per year — even on overcast days, diffused light heats water to 50-60°C. The insulated tank retains heat for 24+ hours. All V-Guard models include backup electric heater for fully cloudy days.

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