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HVAC Contractor  in  Dehiwala-Mount Lavinia

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Along the Dehiwala and Mount Lavinia coast, salt air corrodes outdoor condenser coils faster than anywhere inland, and coil corrosion is the leading cause of the slow loss of cooling that owners here notice after two or three years.

What to expect

  • Professionals used to the narrow by-lanes off Galle Road and to coastal salt exposure
  • The fault diagnosed and explained before any gas is charged
  • A written quote separating labour, parts and refrigerant
  • Cooling performance checked and drainage confirmed clear before leaving

Helpful tips

Service every four to six months rather than annually if you are within a kilometre of the sea, and ask specifically for the outdoor coil to be washed. It is the part that suffers most here and the part most often given a cursory look.

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Frequently asked questions

Everything you need to know about hiring in Dehiwala-Mount Lavinia

Questions about finding a tradesperson in Dehiwala-Mount Lavinia? Here are the answers homeowners ask most.

Salt corrodes the outdoor condenser fins, which reduces heat rejection and makes the unit work harder for less cooling. Regular coil washing slows it; a badly corroded coil eventually needs replacement.

Within a kilometre or so of the sea, generally yes. Units with treated or coated condenser coils cost more up front but resist salt corrosion considerably longer, which shows up in both service life and running efficiency.

Still have questions? [email protected]

Air Conditioning Charges in Sri Lanka (2026)

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Hourly Rates

Rs 3,000 - Rs 4,500 Inspection or call-out, one to two units
Rs 2,500 - Rs 4,000 Technician, per hour on site
Rs 5,000 - Rs 8,500 Emergency or same-day call-out

Project Costs

Rs 3,500 - Rs 7,500 Routine service and chemical wash of a split unit (per unit)
Rs 8,000 - Rs 20,000 Gas refill, R32 or R410a (per unit)
Rs 18,000 - Rs 35,000 Install a 12,000 BTU split AC, standard pipe run (per unit)
Rs 12,000 - Rs 35,000 Repair or replace a PCB or control board (per unit)
Rs 35,000 - Rs 95,000 Replace a compressor (per unit)
Rs 12,000 - Rs 28,000 Relocate an existing split unit (per unit)

Indicative 2026 rates for Colombo and the suburbs, based on Snapwerks quotes and published Sri Lankan market data. Outstation districts usually run 10-20% lower on labour. Expect the top of each range during the Avurudu rush in March and April and at the start of the monsoon. Always get the scope and the price in writing before work starts.

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