Platinum HVACR technologies

Platinum HVACR technologies Bringing Hvacr science into reality science based hands on practical training in Hvacr

we've come a long way 👏 Yes We've made a lot of huge strides, and it's awesome once again for we to reflect on how far 😊...
13/03/2026

we've come a long way
👏 Yes We've made a lot of huge strides, and it's awesome once again for we to reflect on how far 😊 we've come. let me introduce you to the crosley iceball refrigerator.

This was an unusual refrigerator that operated with no moving mechanical parts and required no electricity.
The device worked by heating a metal unit called the “ball” on a stove for about 90 minutes. This heating cycle forced ammonia gas out of a solution and stored it under pressure.
After heating, the unit was placed back onto the refrigerator box, where the ammonia slowly evaporated and absorbed heat from inside the cabinet, creating a cooling effect.
Once charged, the system could provide more than 24 hours of refrigeration before needing to be heated again. Because it required only occasional heating and had no mechanical components, the IcyBall was especially attractive for homes without electricity in the early 20th century.





Certification of HVACR Technicians L. I. 2503The Refrigeration & Air conditioning industry in Ghana is finally taking t...
11/03/2026

Certification of HVACR Technicians L. I. 2503
The Refrigeration & Air conditioning industry in Ghana is finally taking that step,Certification of RAC technicians
The Environmental Protection (EPA Refrigeration and Air Conditioning certification) L.I. 2503
Just like the Energy Commission (Electrical wiring) Regulation, 2011 (L.I. 2008) for streamlining electrical wiring practices by Energy Commission of Ghana.
The purpose of the new regulation is to:
a) regulate emissions of refrigerants from the refrigeration and air conditioning sector to
i) prevent ozone depletion; and
ii) respond to climate change and the effect of climate change on the environment and hunan health.
(b) provide for the requirements, procedures and practices to ensure that the standards for refrigeration and air conditioning
i) installation,
ii) testing,
iii) maintenance,
iv) Servicing,
v) decommissioning, and
vi) disposal
are complied with.
(c) ensure the safe handling of equipment and refrigerants that are approved by the Authority in accordance with the Montreal Protocol on Substances that Deplete the Ozone Layer;
(d) ensure that emissions from refrigeration and air conditioning installation, testing, maintenance, servicing, decommissioning amd disposal do not impact the environment and public health; and
(e) ensure compliance with the Code of Practice for Refrigeration and Air Conditioning Systems and Heat Pumps Standard (GS 1383) as may be reviewed from time to time by Ghana Standards Authority




This is one of the most asked questions we got from junior techs during this year’s exhibition:A compressor operating ...
06/03/2026

This is one of the most asked questions we got from junior techs during this year’s exhibition:

A compressor operating with two different types of refrigerant (R32 / R410A)
This does NOT mean:
- The compressor is running with both refrigerants at the same time. NO!!!
- You can shift from one refrigerant to another anytime you want. NO!!!

It just means the motor windings and compression mechanisms (plus the type of oil the equipment manufacturer uses) allow this compressor to work with either R32 or R410A.

Besides that, the other refrigeration components need to be designed according to the compressor manufacturer’s specifications and requirements.

1)Pressure Compatibility: R32 and R410A operate at similar high pressures (both much higher than R22). This compressor is built for high-pressure refrigerants.
2)Oil Compatibility: R32 and R410A use POE or PVE oil, but R32 uses a higher viscosity than R410A because R32 has higher discharge temperatures.
3)Efficiency: R32 is more efficient than R410A, so you'll need less per pound to do the same work. This is very important because you’ll either end up overcharging or undercharging the unit.
4)Safety Note: R32 is mildly flammable (A2L), so safety measures must be followed.

Always check the nameplate for the type of refrigerant and required quantity. Never top up R410A with R32 or vice versa.

https://www.megaclimaexpo.com/ghana/


Leaking evaporator coill replaced
15/02/2026

Leaking evaporator coill replaced

28/11/2025

"As complicated as it seems, HVACR always begins with four main components: compressor, condenser, expansion device, and evaporator. Please join us on December 9th at Accra Technical Training Centre for our next training program.
it's free please call to book your place +233244955840

16/11/2025

"People's freedom begins with their ability to feed and care for themselves without relying on external support.
Refrigeration and Air Conditioning contribute to food security and healthcare by freeing us from dependence on aid and the volatility of global markets."-Youssouf Bagayan.
President of the Organizing Committee of the just ended Africa union of Refrigeration and Air Conditioning associations Conference Burkina Faso.

08/11/2025

Corn flour like many other substances, can exhibit complex behavior depending on the conditions.
Yes this also applies to A2L refrigerants they are classified as "mildly flammable" under some standard conditions,like the corn flour, they can become explosive when mixed with air in specific proportions and ignited.

The key factors that will influence flammability and explosiveness include:
1)Concentration of the refrigerant in air
2)Presence of oxygen
3)Ignition source (spark, heat, etc.)
4)Temperature and pressure conditions

Under normal operating conditions, A2L refrigerants are designed to be safe. But in certain scenarios, like leaks or improper handling, the risk of ignition and explosion increases.
implementing proper safety measures to mitigate these risks.

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Tema
ACCRA

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