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Techsun Commercial Heat Pump Regassing in Johannesburg

Techsun commercial heat pump regassing across Gauteng. Common on guest house and complex installations; scale management extends compressor life.

Techsun equipment we work on includes commercial hot water heat pumps. Commonly replaced parts on this brand are heat exchangers, controllers, and we keep or source these against the unit's model and serial plate rather than by guesswork.

On commercial banks, one under-charged unit drags the whole system because the controller keeps calling for heat while a module runs at poor efficiency. Charge correction across a bank starts with identifying which module is losing gas and why — usually vibration fatigue at a joint or corrosion at the coil.

Peak draw-off matters more than total daily volume: plant that satisfies a whole day of demand can still fail at a 45-minute shower peak. Sites with long, poorly insulated pipework lose more heat in distribution than most owners expect, which reads as a capacity problem at the outlet.

Parts
Heat exchangers, controllers
Turnaround
Module by module, with the bank kept in service.
Call
069 268 0988

What is included

Scope of work

  • Per-module charge verification
  • Vibration and joint fatigue inspection
  • Coil corrosion assessment and coating
  • Recovery, evacuation and weighed recharge
  • Filter drier and sight glass replacement
  • Post-charge performance verification

Technical detail

Specifications

Applies toModular banks and multi-unit installations
RefrigerantsR410A, R32, R134a, R407C
VerificationPer-module superheat and delta-T recorded
ReportingCharge log kept per unit for warranty
Techsun rangesCommercial hot water heat pumps

When to call

Symptoms we see on this equipment

  • One module underperforming in a bank
  • Repeat gas losses at the same unit
  • Coastal or corrosive-atmosphere coil damage
  • Rising run hours at unchanged demand

FAQs

Frequently asked questions

Are you an authorised Techsun agent?

We are an independent specialist. We repair and maintain Techsun equipment using correct-specification parts, and where a unit is still under manufacturer warranty we will tell you before doing anything that could affect it.

Can you get Techsun parts?

Heat exchangers, controllers for Techsun are ordered against the model and serial plate. Where an original part has a long lead time we will offer a compatible equivalent and say clearly which one is being fitted.

What does Techsun commercial heat pump regassing include?

Per-module charge verification, Vibration and joint fatigue inspection, Coil corrosion assessment and coating, plus verification that the unit performs to the manufacturer's stated figures after the repair.

Where do you service Techsun equipment?

Across Johannesburg, Ekurhuleni, West Rand, Midrand, Centurion and Pretoria. Call 069 268 0988 to confirm attendance for your address.

Is it worth repairing an older Techsun unit?

Where the tank or coil has perforated, replacement is usually the honest answer and we will say so on site. Common on guest house and complex installations; scale management extends compressor life.

Techsun commercial heat pump regassing

Serving Johannesburg, Ekurhuleni, West Rand, Midrand, Centurion and Pretoria.