Air Source Heat Pump

What is Air Source Energy?

Air source energy is a renewable technology that captures heat from the ambient outside air (even in cold weather) and transfers it indoors for space heating and hot water. In reverse, it can also provide cooling.

Core Technology: The Air Source Heat Pump (ASHP)

An ASHP works like a refrigerator in reverse, using a refrigeration cycle:

1. Evaporation: A refrigerant liquid absorbs low-grade thermal energy from the outside air, causing it to evaporate into a gas.
2. Compression: A compressor increases the pressure and temperature of the gas, concentrating the heat.
3. Condensation: The hot gas releases its heat inside your home (to radiators, underfloor heating, or air vents) and condenses back into a liquid.
4. Expansion: The liquid passes through an expansion valve, cooling it down, and the cycle repeats.

Two Main Types:

• Air-to-Air: Transfers heat to warm indoor air via fans (like an air conditioner in reverse). Can provide cooling in summer.
• Air-to-Water: Transfers heat to a wet central heating system (radiators/underfloor) and a hot water cylinder. Primarily for heating and hot water.

Key Advantages:

• High Efficiency: Delivers 2.5 to 4 units of heat for every 1 unit of electricity used (COP of 2.5-4.0), reducing energy bills.
• Low Carbon: Significantly reduces carbon emissions compared to gas, oil, or electric resistance heating, especially when paired with green electricity.
• Dual Function: Most systems can provide both heating and cooling.
• Renewable: Utilizes the constant, renewable heat in the air.

Key Considerations:

• Upfront Cost: Higher initial investment than traditional boilers.
• Climate Dependence: Efficiency decreases as outside temperatures drop, though modern models work effectively well below freezing.
• Installation Requirements: Works best with well-insulated homes and low-temperature heating systems like underfloor heating or large radiators.

Applications

Primarily used for residential heating and hot water, and increasingly for commercial buildings.

Environmental Impact

ASHPs are a cornerstone of building electrification and decarbonization. By replacing fossil fuel boilers, they drastically cut on-site emissions and contribute to climate change mitigation.

Air source energy (via heat pumps) is an efficient, electrically-driven technology that upgrades ambient air heat to provide a renewable solution for comfortable and sustainable building climate control.

Company Profile

Luoyang Datang Energy Technology Co., Ltd. is a high-tech enterprise integrating R&D, manufacturing and supply of power equipment such as transformers, new energy components, distribution cabinets and inverters. With technological innovation as the core, we focus on creating high-reliability and high-performance power solutions to serve global customers. With a strict quality control system and international standard certification, we continue to output excellent products and enable customers to build safe and stable power systems.

If you are looking for a high-quality Air Source Energy supplier, we invite you to contact us or click on related products to inquire.

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Air Source Energy, often referred to in the context of Air-Source Heat Pumps (ASHP), works by utilizing the ambient air as a source of heat energy for heating or cooling a space. The basic principle is based on thermodynamics, specifically the heat transfer process. Here's how it works in detail:

1. Heat Absorption (Heating Mode):

• Evaporator Coil: The system has an evaporator coil that is exposed to the outside air. Even in cold temperatures, air contains thermal energy (heat). The evaporator coil absorbs this heat from the outside air.
• Refrigerant: A refrigerant fluid inside the evaporator coil absorbs the heat from the air and evaporates into a gas. This is possible even at temperatures below freezing because the refrigerant has a low boiling point.

2. Compression:

• The refrigerant gas is then compressed by the compressor. This compression increases the pressure and temperature of the gas significantly, turning it into a hot, high-pressure gas.

3. Heat Transfer (Heating Mode):

• Condenser Coil: The hot, pressurized gas is then passed through the condenser coil inside the building. As it moves through the condenser coil, it releases its heat into the indoor air or water (depending on the system type).
• Heat Exchange: The heat from the refrigerant is transferred to the air or water circulating through the building’s heating system (e.g., radiators, underfloor heating, or a water tank for hot water supply).

4. Expansion:

• After the refrigerant releases its heat, it cools and condenses back into a liquid form. It then passes through an expansion valve, which reduces the pressure and prepares it to absorb more heat when it reaches the evaporator coil again, starting the cycle over.

5. Cooling Mode (Reversible Process):

• Reverse Flow: An air-source heat pump can also be used for cooling in summer. In cooling mode, the process is reversed. The system absorbs heat from the indoor air and releases it outside, essentially functioning like an air conditioner.

Key Points:

• Energy Efficiency: Air-source heat pumps are highly efficient because they transfer heat rather than generating it by burning fuel. For every unit of electricity used to run the system, it can move 3-4 units of heat, making it a very efficient system.
• All-in-one Heating and Cooling: Many air-source heat pumps provide both heating and cooling, making them versatile for year-round use.
• Environmental Impact: Because they rely on electricity (which can be from renewable sources), they are more environmentally friendly than traditional fossil fuel heating methods.

An Air-Source Heat Pump works by absorbing heat from the outside air, compressing it to a higher temperature, and transferring that heat into the building for heating purposes. When in cooling mode, the system reverses the process, transferring indoor heat outside. It's an energy-efficient and environmentally friendly way to heat and cool buildings.