Hong Kong's Water Treatment Specialists
Cooling towers, boilers, water tanks and pools — treated and tested by a local team established in 1982. Tell us your building to find the right service.
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Everything water, one company.
View all services →Cooling tower treatment
Treatment programmes for scale, corrosion and microbiological control.
02Boiler water treatment
Water treatment and testing for steam and hot water boilers.
03Cooling tower cleaning
Cleaning, desludging and disinfection for cooling tower systems.
04Fresh water tank cleaning
Tank cleaning, disinfection and water sampling.
05New pipework disinfection
Chlorination, flushing and testing before pipework goes into service.
06Chemical flushing
Pre-commission cleaning for new or modified water systems.
07Acid cleaning
A separate cleaning service for hardness scale in cooling towers.
08Laboratory testing
Water sampling, independent laboratory analysis and reports.
09Cooling tower audits
Review tower operation, water quality and maintenance records.
10Monitoring & dosing
Monitor pH, ORP and chlorine, with dosing and alarms.
11Industrial chemicals
20 products for cooling towers, boilers and industrial water systems.
12Pool chemicals
Chlorine, water balancers and pool care products.
Local work. Practical expertise.
Gotech has carried out water-treatment works for the EMSD’s E&M Services Department at Hong Kong public hospitals. Our team supports commercial, industrial and residential water systems across Hong Kong.
Read the company profile →Built for your kind of building.
Industries we serve →From cooling tower and boiler programmes to cleaning, testing and chemical supply, our team supports commercial, industrial and residential water systems across Hong Kong.
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Service enquiry, product price or tender documents — we will direct your request to the right next step. We reply within one working day.
Phone: Mon–Sat 09:00–18:00. For urgent enquiries, check service availability. Urgent help →