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  7. An Introduction To Heat Pump Water Heaters

An Introduction to Heat Pump Water Heaters

6 MIN READ

A Smarter Way to Heat Your Water and Save Money

Did you know that water heaters are one of the biggest energy users in your home? In fact, they can account for up to 20% of your household’s total energy use. Whether you’re replacing an old unit or looking for ways to cut down on electricity costs, it’s worth considering a heat pump water heater.

These high-efficiency systems are designed to use less electricity, lower your bills, and help you reduce your carbon footprint—all without sacrificing the hot water you need.

The water shut off valve of a Rheem heat pump water heater.

What Is a Heat Pump Water Heater?

A heat pump water heater (HPWH) works differently from traditional electric or gas models. Instead of generating heat, it pulls warmth from the surrounding air and transfers it to the water. Think of it like a refrigerator working in reverse—rather than removing heat from inside to cool, it absorbs heat from the air and uses it to heat water.

This process is energy-efficient, using up to 70% less electricity than conventional electric water heaters. And because it relies on ambient air rather than burning fuel or using high-powered heating elements, it saves homeowners hundreds of dollars a year on energy costs.

Why Consider a Heat Pump Water Heater?

If you’re used to a traditional water heater, you might be wondering what makes a HPWH a better choice. Here are some of the key benefits:

Lower Energy Bills – Because they use a fraction of the electricity of standard models, HPWHs can save you $250 to $500 per year in energy costs.

Smart, Efficient Heating – Most models come with different settings, so you can adjust how your unit operates based on your household’s needs.

Longer Warranty – With an average warranty of 10 to 12 years, HPWHs offer long protection for the future.

Rebates & Savings – Many homeowners qualify for instant rebates, making it more affordable to make the switch.

Better for the Environment – By using less energy, HPWHs help reduce greenhouse gas emissions and lower your home’s overall carbon footprint.

How Do Heat Pump Water Heaters Work in Different Homes?

One of the biggest questions homeowners have is whether a HPWH will work for them. While they work in most homes, there are a few things to consider:

Space & Location – HPWHs work best in areas with good airflow, like basements, garages, or utility rooms.

Temperature – They pull heat from the air, so they perform best in spaces that stay above 10°C year-round.

Household Size – HPWHs are available in multiple sizes, meaning there’s an option for everything from single-person households to large families.

The good news? Even if you’re not sure if a heat pump water heater is right for you, there are experts who can help you choose the best model for your home.

Is It Time to Upgrade?

If your current water heater is nearing the end of its lifespan or you’re looking for ways to cut down on energy costs, a heat pump water heater is a smart, future-proof investment.

With lower electricity use, rebates to reduce upfront costs, and reliable performance, now is the perfect time to consider making the switch.

Explore available rebates and see how much you could save by upgrading to a heat pump water heater today.


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230 Brownlow Ave., Suite 300 Dartmouth, NS, B3B 0G5

© Efficiency Nova Scotia 2025

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