Welcome to J-7 Engineering Company
Hot Water System Expertise
Our J-7 Engineering Company continuously supplies innovating and extending excellent hot water system solution in various completed products such as Electric, Gas, Hybrid Solar energy, Heat Pump and Air-Cond Heater or (Heat Recovery) both for residential and commercial used. Our “One Stop Service Program” is being developed to fully support all clients including conceptual designs, eco-design with energy savings, turn key piping design, sizing the product, fully installation, and greater after sale services. Please contact us for more information.
Recommended Products
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Launching a new series of saving energy 'EH-HRseries' An air-conditioning water heaters. The system is a fully designed by truning 'Hot Air' into 'Hot Water'. All waste heat recovery discharged by air conditioners is utilised to heat up water, increasing your energy efficiency water heatings. All series are focused on safety design features with 'Wrapped tank technology', avioding cross contamination.
The models are an environmental-friendly application giving you "F R E E" hot water. Not only to save your energy bills, but also to increase lifespan of your air-conditiioners, faster cooling, prolonger compressors life and contribute to less global warming effects.
Rheem Glass Lining-"World Class Standard
for Water Heating Tanks.",complied IEC standard
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"Renewable Energy Integration, Better Performance, Work well with any condenser units |
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From the past experience over 100 years being the world largest water heating solution, Today Rheem has splited a new line production of Instant Water Heater, 'Rheem Rio RH388E' models being luanched to grain the market share. The electronic control system provides easy selection of variable shower temperature by simply turning the temperature control knob. Quality comes with the state-of-the art built-in technology and is manufactured in accordance with the stringiest ISO9001 Standards, built-in ELCB (Electric leakage circuit breaker) and triple safety system.,
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News and Tips for You

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The powerful of heat pump to help a reduction of CO2 emission nowadays has been acknowledged. It helps to reduce down to 8% only if the heat pump is used around the world, (International sustainable Energy Organisation, 2011).
Heat pump in Thailand has been developed and produced since year 2000 by J-7 engineering Company, designed the first complete line of air-source heat pumps for high efficiency and green. “ecotech” is granted to be number 1 brand for heat pump energy saving technology in Thailand. Our reputation for outstanding reliability has been reinforced in numbers of successful installations, including oversea market. Using feedback from building owners, consulting engineers, contractors, and service engineers, we designed “ecotech heat pump” products to give you maximum flexibility to design, operate and maintain, more info |
Going Green .... "eco ideas .... with ecotech water heaters".