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Excess Renew Tech Private Limited

EXCellence in Energy Saving Solutions
Since 2009

Solar Water Heater Dealer in Coimbatore | Tamilnadu - Excess India

Solar Water Heater


Solar Water Heater

Our state of the art manufacturing facility located in Coimbatore produces comprehensive range of Solar Water Heaters from ETC, FPC to pressurised systems with latest technology FUSION BONDED EPOXY COATING. We are also introducing our range of Energy Efficient heat pumps to work as a hybrid system along with our Solar water heaters

Working Principle of Solar Water Heater

Applications of Solar Water Heater

Water heating is one of the most cost-effective uses of solar energy. Every year, several thousands of new solar water heaters are installed worldwide. Solar water heaters can be used for Homes, Community Centers, Hospitals, Nursing homes, Hotels, Restaurants, Dairy plants, Swimming Pools, Canteens, Ashrams, Hostels, Industry etc. Use of solar water heater can curtail electricity or fuel bills considerably.

Usage of solar water heater for any application where steam is produced using a boiler or steam generator can save 70-80% of electricity or fuel bills. A residence can save 70-80% on electricity or fuel bills by replacing its conventional water heater with a solar water heating system. Solar water heaters are known to have the fastest repayment of investment in 2 to 4 years depending upon use and fuel replaced.

Types of Solar Water Heater


Evacuated Tube Collector (ETC) Model


Evacuated Tube Collector (ETC)

  • Fusion Bonded EPoxy Coating
  • Powder coated structure
  • Brass pipe connections
  • High transmission Solar Glass
  • Safety valve (Spring pressurized and Ultra models)
  • Food grade (304),Stainless steel, marine grade (316) steel
  • Very Efficient and long lasting
  • Very strong and efficient bonding with good heat transfer characteristics

Technical Specifications

Features Specifications
Length 1500 mm - 1800 mm
Outer tube diameter 47mm - 58mm
Inner Tube diameter 37mm - 47mm
Material Borosilicate glass 3.3
Absorptive coating Graded AI/N/AI ALN/AINSS/CU
Stagnation temprature >250째C
Absorbance (AM 1.5) >0.93 (AI/N/AI)
Emittance (800C / 1760F) <0.7 (AI/N/AI)
Heat Loss 0.75 W/m2
Glass thickness 1.8mm
Evacuated Tube Collector (ETC) Model
Evacuated Tube Collector (ETC) Model
Evacuated Tube Collector (ETC) Model

Flate Plate Collector (FPC) Model



Flate Plate Collector (FPC) Model

Our FPC systems are used for residential, commercial and industrial applications and are reliable, strong and long lasting

  • Copper Collector
  • Corrosion Resistant, Clean, Hygiene and Safe
  • Very Efficient and long lasting
  • Diameter 12 mm
  • Thickness 2.5 mm
  • Cladding Aluminum

Technical Specifications

Features Specifications
Type Liquid flat plate parallel flow
Number of Fins 9/12
Collector Area 2.090m2/2.375m2
Frame Extruded Aluminium
Frame Coating Polyester UV resistant
Back Insulation Rockwool 50mm
Glazing Single Glass 4mm, low iron toughened, fitted with EPDM rubber
Transmissivity >85% @ near normal incidence
Dimensions Length : 2030mm, Breadth: 1030 mm
Weight(dry) <60kg
Flate Plate Collector (FPC) Model
Flate Plate Collector (FPC) Model
Flate Plate Collector (FPC) Model






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