Heat Pump Hot Water System Guide - Australian Energy Foundation

The Complete Guide To Choosing Your Perfect Heat Pump Hot Water System

Not sure what you should look for in a new hot water heat pump? 

Or whether the investment in an energy-efficient hot water system is worth it for you? 

Learn how to confidently choose the perfect hot water heat pump for your home with this unbiased, comprehensive guide.

If you have any more questions or would like help finding a trusted heat pump installer, simply complete this short form, give our friendly energy efficiency experts a call at 1300 23 68 55 or email at advice@aef.com.au. We look forward to helping you!  

Here’s a preview of what’s in the guide

Table of Contents

  1. Is a Hot Water Heat Pump Worth It? Can’t I Just Replace My Old Water Heater with the Same System I Had Before? 
  2. Will a Heat Pump Actually Help Me Save Money? 
  3. Are Heat Pumps More Environmentally Friendly? 
  4. How Much More Efficient Are Heat Pumps? 
  5. How Do Heat Pumps Work? 
  6. Which Hot Water Heat Pump Brands Are Best? 
  7. What Size Hot Water Heat Pump Do I Need? 
  8. Is My Climate Too Cold for a Hot Water Heat Pump? 
  9. Should I Get an Integrated or a Split Heat Pump System? 
  10. How Long Do Heat Pumps Take to Replace Hot Water? 
  11. How Much Does a Heat Pump Cost? 
  12. What Rebates Can I Use for Hot Water Heat Pumps? 
  13. What Warranties Should I Look For? 
  14. How Noisy Are Heat Pumps? 
  15. Should I Get a Hot Water Heat Pump With a Timer? 
  16. Does Refrigerant Type Matter (And If So, Which One Should I Use)? 
  17. What Kind Of Hot Water Tank Should I Get? 
  18. How should I choose the right installer? 
  19. Ready for the Next Step? 

Bonus: 10 ways to cut your hot water costs (while staying clean & comfortable)

1. Is a Hot Water Heat Pump Worth It? Can’t I Just Replace My Old Water Heater with the Same System I Had Before?

It’s easy to just wait until an old hot water system dies, then replace it with the exact same type. 

Easier, but more expensive. 

(And worse for the environment too).

How much more expensive? 

On average, a conventional electric system costs $635 more in energy bills per year.

Across a hot water system’s 15 year lifespan, that’s $9,525 you can save by upgrading to an efficient hot water heat pump.

Almost $10,000 savings are far more than enough to repay any price difference between an average hot water system and an efficient one.

So even if your current hot water system is doing fine, it’s wise to research your options & plan its replacement before it dies. 

Then when the inevitable happens, you won’t be left scrambling to find a rushed replacement while your family’s complaining about cold showers. 

Instead, you’ll be prepared to upgrade quickly with the best system for your home.  

And choosing the right hot water heat pump doesn’t have to be complicated. 

In fact, you can find the 18 essential questions — as well as their answers — right here. 

This clear, homeowner-friendly guide gives you all the information you need to choose the best hot water heat pump for your home. 

It even includes a bonus list of 10 easy ways to reduce your home’s hot water consumption; these will help you to start cutting hot water costs right now. 

So with this guide, you’re all set to help you and your family live more comfortably, affordably, and sustainably. 

2. Will a Heat Pump Actually Help Me Save Money?  

Since a heat pump’s initial price is higher than that of an ordinary electric storage system (although the rebates in Section 12 help!), many homeowners wonder if heat pumps really will pay themselves off (and more) over the years. 


Here’s why:

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