Do Heat Pumps Operate on Non-Conventional Sources of Energy?

Are you tired of your water heater consuming so much electricity, leading to high electricity bill? Then you must adopt a heat pump, which can run efficiently using non-conventional sources of energy. Heat pumps can meet your daily hot water needs, while offering significant cost savings and reduced environmental impact.

As we proceed through this blog, we will understand how heat pumps can operate so efficiently using the non-conventional sources of energy. Let’s get going!

Non-conventional Resources Meaning 

Non-conventional resources, also known as renewable source of energy is derived from natural sources that are continuously replenished. These sources include solar, wind, geothermal, hydropower, and biomass. Unlike fossil fuels, which are finite and contribute to greenhouse gas emissions, renewable energy sources are sustainable and environmentally friendly. Some advantages of renewable energy sources include their abundance, low carbon footprint, and potential for long-term cost savings.

What is a Heat Pump?

A heat pump is a water heating device, to meet your daily hot water needs. It is energy-efficient, as it uses less electricity than other traditional water heaters. The difference lies in the working principle. Any traditional water heater, like a geyser, uses direct electricity to heat water. Whereas, a heat pump uses electricity to only transfer heat from one place to another. This heat is used to produce hot water, rather than electricity. A heat pump is one of the best sustainable ideas for the future.

How does a Heat Pump System Works?

What is a Heat Pump? How does a Heat Pump Works?
Install a Heat Pump

A heat pump works on the principle of transferring heat from one place to another.

This system consists of two main components: an indoor unit and an outdoor unit.

The outdoor unit has two parts – an exhaust fan and a compressor. And the indoor unit is the storage tank, where water is stored.

The exhaust fan absorbs heat from the surrounding air, while the compressor compresses the refrigerant gas, increasing its temperature. This heated refrigerant gas then passes through a spiral condenser inside the indoor unit, transferring its heat to the water stored in the tank. This process continues until the desired water temperature is reached.

Unlike traditional geysers that use a significant amount of electricity to generate heat, heat pumps consume less energy by simply moving heat from one place to another. This makes them more energy-efficient and cost-effective in the long run.

Do Heat Pumps Use Non-conventional Sources of Energy?

Heat pumps utilize heat from surrounding air, which is a non-conventional source of energy. Yes, heat pumps use both conventional and non-conventional sources of energy. It requires electricity to absorb heat and compress it. But this system is said to be 90% renewable. So it will help you reduce your electricity bill to a great extent.

So a heat pump water heater is definitely an environment friendly and a sustainable choice to meet your daily hot water needs.

What are the Benefits of Heat Pumps?

There are many benefits of installing a heat pump in your home. Let’s have a look at them:

1. Cost-Effective

Heat pumps have high upfront cost. However, they make up for it through lower operating costs. Heat pumps transfer heat rather than generating it directly. This uses far less electricity – up to 75% less. Over its 10-15 year lifespan, a heat pump can save you hundreds or even thousands in energy costs. So it is actually a cheaper alternative to other traditional water heaters like geysers.

2. Long Lifespan

With proper maintenance, heat pumps last 15 years or more – significantly longer than standard electric geysers (8-10 years). So there is no need for replacement for a long time. This extended life cycle also contributes to it being a cost-effective option.

3. Reduced Water Wastage

Traditional water heaters constantly heat and reheat the same water, leading to significant energy losses. Heat pumps are automatic system as it heats water more efficiently. So when you run the hot water tap, the hot water flows instantly, and you don’t have to wait for it to flow. This results in a decrease in wastage of water. This conserves water, especially in households with long pipe runs.

4. Positive Environmental Impact

By consuming significantly less electricity than conventional water heaters, heat pump water heaters have a lower carbon footprint and contribute to reducing greenhouse gas emissions. This positive environmental impact is achieved by relying on renewable energy sources (ambient air) and minimizing the use of fossil fuels for power generation. Additionally, the longer lifespan of these systems further reduces the environmental impact associated with manufacturing and disposing of water heaters.

5. Efficient in Cold Climates

One common misconception about heat pump water heaters is that they may not perform well in colder climates. However, modern heat pump water heaters are designed to be efficient even in low temperatures. They can effectively extract heat from the surrounding air, even when the temperature drops below freezing. This makes heat pump water heaters a viable and energy-efficient option for hot water needs in various climates, including colder regions.

6. Manual Temperature Setting

Most heat pumps allow you to change temperature as per your requirements. This ensures you have hot water when needed without wasting energy by overheating the water beyond your requirements.

7. Availability in Different Sizes

Heat Pumps normally have an indoor and an outdoor unit. But many homes in India, specially in big cities, may not have that space available. For that, a single-unit heat hump is designed. It is also called Integrated Heat Pump.


Heat pump uses heat from ambient air, which is a renewable source of energy. It not only has a positive impact on the environment, but also contributes toward cost savings. It is now time for India to adopt heat pumps, for a sustainable future for ourselves and the generations to come.

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