Heat Pump vs Electric Geyser — Coimbatore எது Best? Savings Calculation | Arun Hitech

Heat Pump vs Electric Geyser — Coimbatore எது Best?

Electric geyser-ஐ use பண்றீங்களா? Heat pump-க்கு switch பண்ணினால் எவ்வளவு மிச்சமாகும்? Arun Hitech detailed comparison தருகிறோம்.

How They Work

Electric Geyser

Electrical resistance element-ல் மின்சாரம் → heat → தண்ணீர் சூடு. COP = 1.0 (100% efficiency). 2KW element → 2KW heat மட்டும்.

Heat Pump

Ambient air-ல் இருந்து heat extract → compressor → தண்ணீர் சூடு. COP = 3.8–4.0. 750W input → 2.8–3.0 KW heat. Free energy from air!

Electricity Comparison — 200L System

Electric geyser daily: 4 KWh | Monthly: 120 units | Annual: 1,440 units | Cost @₹7: ₹10,080/year

Heat pump daily: 1 KWh | Monthly: 30 units | Annual: 360 units | Cost @₹7: ₹2,520/year

Annual savings: ₹10,080 - ₹2,520 = ₹7,560/year | 15-year savings: ₹1,13,400!

ROI Calculation

V-Guard VHP 200L cost: ₹1,64,000. Annual savings: ₹7,560–₹10,000. Payback period: 16–22 months. 15-year profit: ₹1,13,400 - ₹1,64,000 + savings = Net positive ₹50,000+

Other Comparisons

Hot water consistency: Heat pump 24/7 vs geyser 30 min wait. Space: Heat pump needs outdoor space vs geyser indoor. Maintenance: Heat pump annual vs geyser minimal. Lifespan: Heat pump 15 years vs geyser 8 years.

Verdict — Coimbatore-க்கு

Investment-ஆ பார்த்தால் heat pump clear winner. 16–22 months-ல் payback. 15 years-ல் ₹1 lakh+ savings. Coimbatore TANGEDCO rates அதிகமாகும்போது savings இன்னும் அதிகமாகும்.

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