Verified Technicians Across Dhaka & Bangladesh — Direct WhatsApp Contacts
Expert Divisions

Portal Service Categories

Explore pricing benchmarks, typical repair services, and choosing tips across Zener departments.

Solar Panel & Inverter Services

Complete engineering, mounting, and wiring of hybrid/off-grid clean solar energy.

Market Rate Benchmark৳1,500 – ৳8,000 per unit(Material costs extra)

Typical Tasks Handled

  • Rooftop panel structural assembly and mounting.
  • Hybrid & off-grid solar inverter wiring.
  • Inverter battery bank cell water refilling & parameter setup.
  • Smart MPPT & PWM charge controller programming.
  • System output diagnostic audits and net-metering synchronization.

Residential & Commercial Wiring

Short circuit diagnostics, household wiring, and electrical panel upgrades.

Market Rate Benchmark৳500 – ৳3,000 per fix(Material costs extra)

Typical Tasks Handled

  • Complete household internal pipeline electrical rewiring.
  • Short circuit identification and spark diagnostics.
  • Main distribution box safety upgrades and circuit breakers tuning.
  • Ceiling fans capacitor upgrades & winders.
  • Earthing test and leakage protection checks.

Heating, Ventilation & AC (HVAC)

Premium split AC installations, foaming jet deep cleanings, and gas refills.

Market Rate Benchmark৳800 – ৳4,500 per unit(Material costs extra)

Typical Tasks Handled

  • High-pressure foaming water jet deep cleaning.
  • Split and cassette AC unit brackets mounting.
  • Refrigerant gas refill (R22, R32, R410).
  • AC compressor replacement and copper tube micro-soldering.
  • Leak diagnostics and drainage piping clears.

Home Appliance Repair

Fridge, washing machines, kitchen chimneys, and water pumps repairs.

Market Rate Benchmark৳500 – ৳3,500 per device(Material costs extra)

Typical Tasks Handled

  • Water pump mechanical coil winding and automatic float sensor switch.
  • Fridge gas charge and defrost sensor timer replacements.
  • Washing machine motor belts and drainage valve changes.
  • Kitchen hood motor grease washes.
  • Microwave ovens heating magnetrons replacements.

Electronics & Gadget Tuning

Smart LED/LCD TV panel diagnostics, sound tuning, and hardware fixes.

Market Rate Benchmark৳500 – ৳4,000 per repair(Material costs extra)

Typical Tasks Handled

  • LED TV backlight strips replacements and card soldering.
  • Desktop computer assembly and fresh thermal paste coatings.
  • Audio soundbar diagnostics and bluetooth board soldering.
  • Wi-Fi routers long range range configurations.
  • DVR motherboard diagnostics.

CCTV & Digital Security

Full CCTV installations, DVR setups, and smart card biometrics setups.

Market Rate Benchmark৳1,000 – ৳3,500 per setup(Material costs extra)

Typical Tasks Handled

  • Analog/IP dome & bullet cameras structural mounting.
  • Coaxial and ethernet Cat6 data cabling setups.
  • DVR/NVR hard drive formatting and online cloud setup.
  • Smart biometric fingerprint card readers integrations.
  • Electronic door lock configurations.