Johannesburg · mixed area
Heat Pump Regassing in Melville
Heat Pump Regassing in Melville covers leak detection first, then correct-charge regassing by weight. Older housing stock, guest houses and restaurants with small commercial hot water systems.
A heat pump is a sealed system: if it is short of gas, there is a leak. Simply topping up sends the same refrigerant back into the atmosphere within months and masks the fault. We pressure-test, trace the leak, repair it, evacuate to vacuum and then charge by weight to the manufacturer's plate data.
The installed base here spans domestic geysers through to commercial plantrooms, so the first step is establishing exactly what is installed before quoting. Older plumbing often needs valve and pressure control correction.
Technicians work out of the central Johannesburg base, which keeps travel time short for northern-suburb call-outs. Gauteng municipal water is moderately hard, so scale on elements and heat exchangers is the single most common cause of falling performance. Recovery rate and storage volume have to be considered together; adding heating capacity to undersized storage rarely fixes a peak-hour shortfall.
- Area
- Melville, Johannesburg
- Response
- Leak test and repair usually one visit; coil replacement quoted separately.
- Call
- 069 268 0988
Heat Pump Regassing · Melville
Scope of work
- Nitrogen pressure test and vacuum hold test
- Electronic and UV dye leak tracing
- Braze repairs to pipework, joints and coils
- Charge by weight with digital scales
- Superheat and subcooling verification after charging
- Filter drier replacement
Technical detail
Equipment and specifications
| Refrigerants | R410A, R32, R134a, R417A, R407C |
|---|---|
| Method | Recover, evacuate to 500 microns, charge by weight |
| Verification | Superheat/subcooling within manufacturer band |
| Warranty | Leak repair warranted; unrelated leaks quoted separately |
| Local context | Older housing stock, guest houses and restaurants with small commercial hot water systems. |
Fault library
Common faults in Melville
Heat Pump Not Heating Water — Melville
The unit runs but water stays cold or only reaches lukewarm temperatures.
Heat Pump Keeps Tripping the Breaker — Melville
The circuit breaker or earth leakage trips shortly after the heat pump starts.
Heat Pump Leaking Water — Melville
Water pooling under or around the unit, sometimes continuously.
Heat Pump Making Noise — Melville
Rattling, grinding, screeching or loud humming during operation.
Heat Pump Compressor Fault — Melville
The compressor will not start, hums and trips, or cuts out on overload.
Heat Pump High Pressure Fault — Melville
The unit locks out on a high pressure error, often after running for a while.
Industries
Applications we support here
Hotels & Lodges — Melville
High morning and evening peaks with 24-hour availability requirements.
Residential Complexes — Melville
Aggregated domestic peaks with body corporate cost pressure.
Factories & Manufacturing — Melville
Shift-based process heat with production-critical uptime.
Schools & Hostels — Melville
Sharp morning and evening peaks during term, low demand in holidays.
Restaurants & Catering — Melville
Concentrated hot water demand around service periods.
Brand support
Brands serviced in this area
- Samsung Heat Pump Regassing
- Daikin Heat Pump Regassing
- Midea Heat Pump Regassing
- Rheem Heat Pump Regassing
- Kwikot Heat Pump Regassing
- Hisense Heat Pump Regassing
- Panasonic Heat Pump Regassing
- ITS Heat Pump Regassing
- Techsun Heat Pump Regassing
- Sirac Heat Pump Regassing
- Heat Tech Heat Pump Regassing
- Solahart Heat Pump Regassing
- Atlantic Heat Pump Regassing
- Carrier Heat Pump Regassing
- Trane Heat Pump Regassing
- Mitsubishi Heat Pump Regassing
Also in this area
Related services
Heat Pump Repairs Melville
Fault-finding and repair of air-source hot water and pool heat pumps.
Industrial Heat Pump Repairs Melville
High-capacity and cascade heat pump repairs for plants and process water.
Commercial Heat Pump Repairs Melville
Hotel, guesthouse, gym and complex heat pump repairs with minimal downtime.
Heat Pump Maintenance Melville
Scheduled servicing that keeps COP high and prevents compressor failure.
Heat Pump Installation Melville
Sizing, plumbing, electrical and commissioning for new heat pump plant.
FAQs
Frequently asked questions
Do you attend heat pump regassing call-outs in Melville?
Yes. Melville falls inside our standard service area covering Johannesburg, Ekurhuleni, West Rand, Midrand, Centurion and Pretoria. Technicians work out of the central Johannesburg base, which keeps travel time short for northern-suburb call-outs. Call 069 268 0988 or email info@reyds.co.za to book.
How long does heat pump regassing usually take?
Leak test and repair usually one visit; coil replacement quoted separately.
What is included in the scope of work?
Nitrogen pressure test and vacuum hold test, Electronic and UV dye leak tracing, Braze repairs to pipework, joints and coils, Charge by weight with digital scales — plus anything else the on-site inspection identifies. Additional work is quoted before it is carried out.
Which faults do you see most often in Melville?
On heat pumps in this area the recurring issues are heat pump low pressure fault, heat pump icing up, heat pump not heating water. Sites with long, poorly insulated pipework lose more heat in distribution than most owners expect, which reads as a capacity problem at the outlet.
Do you work on commercial and industrial plant as well as domestic units?
Yes — this service covers domestic units through to commercial and industrial plant. The installed base here spans domestic geysers through to commercial plantrooms, so the first step is establishing exactly what is installed before quoting.
Heat Pump Regassing in Melville
Older plumbing often needs valve and pressure control correction.