Ambady Group Refrigeration & Air conditioning

14/02/2026

HVAC rules of thumb are simplified, fast estimation guidelines used by professionals for preliminary design, budgeting, and load verification before performing detailed calculations.

06/10/2025

10/07/2025

What is refrigerant?
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A refrigerant is a chemical substance used in refrigeration and air conditioning systems. They work by absorbing heat and transferring it in a cycle to achieve cooling of air or objects.

Refrigerants typically have low boiling points, allowing them to evaporate and cool the surrounding environment at relatively low temperatures. When in liquid state, the refrigerant absorbs heat and evaporates into a gas. Then, through compression and condensation processes, the refrigerant releases heat and returns to a liquid state, preparing for the next cycle.

06/07/2025

Inverter compressor
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The Japanese electronics company Toshiba invented and introduced the inverter compressor in the early 1980s. They were the first to develop and mass-produce air conditioners with inverter-driven compressors for both commercial and residential use in 1980 and 1981. This innovation allowed for variable-speed control of the compressors, leading to improved comfort and energy efficiency.

05/07/2025

Which is no 1 AC in the world?
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Daikin is considered the No. 1 AC brand globally, known for its advanced inverter technology, superior energy efficiency, and durable performance. The brand is a leader in HVAC solutions, offering cutting-edge cooling systems that provide excellent performance while reducing power consumption.

05/07/2025

The top 10 refrigerator brands
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According to various sources, include
1)GE
2)KitchenAid
3)LG
4)Whirlpool
5)Maytag
6)Samsung
7)Frigidaire
8)Bosch
9)Sub-Zero
10)Thermador.
These brands are frequently cited for their reliability, innovative features, and overall performance

28/06/2025

Oxy-acetylene welding, a process used in HVAC and other industries, was invented by French engineers Edmond Fouché and Charles Picard in 1903. They developed a method to combine acetylene and oxygen to create a high-temperature flame for welding.

06/04/2025

What is the difference between Air conditioning and Refrigeration?
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Air conditioning and refrigeration are technologies used for cooling and temperature control. Air conditioning is used to cool and dehumidify the air in enclosed spaces, providing comfort in buildings, vehicles, and rooms. Refrigeration, on the other hand, is used to cool and preserve perishable items at low temperatures, such as food and medical supplies. Both systems use refrigerants to absorb heat from the surroundings and release it elsewhere, creating a cooling effect.

12/01/2025

HVAC vs Refrigeration
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HVAC and refrigeration are closely related but distinct fields. HVAC focuses on controlling indoor climate for comfort, while refrigeration deals with cooling systems to preserve perishable items. Both involve complex technologies and play crucial roles in various industries, ensuring optimal environments for different purposes.

04/01/2025

What is the use of thermostat in refrigerator?
Thermostats are typically found inside the refrigerator and have a k**b that allows users to adjust the temperature setting. Once a user sets the desired temperature, the thermostat maintains that temperature by controlling the flow of electricity to the compressor.