Heat pump water heater

[yumyumz]

Any sexpert can advise what is a heat pump water heater? What is the diff with those storage heater?


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[cantona81]

https://www.todayonline.com/singapo...g-use-heat-pump-water-heaters-singapore-homes
from this old article, it says it heats up the water by absorbing heat from environment, thus uses less electricity.

 

[yumyumz]

https://www.todayonline.com/singapo...g-use-heat-pump-water-heaters-singapore-homes
from this old article, it says it heats up the water by absorbing heat from environment, thus uses less electricity.

Cus saw the $300 voucher to use for electrical appliances specify for heat pump water heaters but can't seem to find much info on it


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[sacredrays]

like your aircon lor.. but in reverse.

got heat pump clothes dryer also, which is ventless.

 

[cantona81]

Cus saw the $300 voucher to use for electrical appliances specify for heat pump water heaters but can't seem to find much info on it
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that article was from yr 2016... until now still not popular... there must be a reason. can be due to cost or easily spoil or takes a long time to make the water hot, or some other reasons... have to search deeper maybe can find the reason...

 

[ksapple]

Heatpump is not cheap is very ex I think daikin has 1

In SG case is link tgt with aircon

 

[cantona81]

Heatpump is not cheap is very ex I think daikin has 1
In SG case is link tgt with aircon

link with Aircon? means Aircon got turn on the water will become hot? then during cold weather, when u need hot water the most, nvr on Aircon how? during hot days u on Aircon, but how likely will u need hot water on hot days?

 

[iceblendedchoc]

Any sexpert can advise what is a heat pump water heater? What is the diff with those storage heater?


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i change from storage heater to heat pump water heater. Difference no tank but water heat up not as fast as instant water heater

 

[neutralph]

link with Aircon? means Aircon got turn on the water will become hot? then during cold weather, when u need hot water the most, nvr on Aircon how? during hot days u on Aircon, but how likely will u need hot water on hot days?

Water heater also have but not cheap. Btands like asobath and rheem have.

 

[nachtsid.er]

It’s a reverse fridge

 

[cantona81]

Water heater also have but not cheap. Btands like asobath and rheem have.

but heat pump isn't it supposed to save energy by using heat from other existing heat source to help heat up the water? so my question above is how does it work exactly? it's like last time Stephen Chow's movie 007, they have the solar powered torch light, the torch only works when there's sunlight...

 

[nachtsid.er]

Moi use massive aosbath heat pump water heater , switch on aircon every night for 5 hrs, Dryer use everyday .
Total bill abt 170-200 every mth

 

[zueinder]

just remind yourself of how expensive the electricity bill is every month before bathing then immediately will feel hot. No need heater liao, settle.

 

[TitanSmall]

https://www.aosbath.com/micro-heat-pump-water-heater/

damn ex sia.... not sure if the electricity bills saved can cover the cost of the heater...

 

[virtualape]

Heatpump is not cheap is very ex I think daikin has 1

In SG case is link tgt with aircon

Aos bath $2.9k for 80 liter tank. If have 50l at much lower price, I'll buy one.

 

[virtualape]

https://www.aosbath.com/micro-heat-pump-water-heater/

damn ex sia.... not sure if the electricity bills saved can cover the cost of the heater...

Can calculate the electricity usage of normal heater vs this. I have a feeling need at least 4-5 years to cover the costs.

Normally my side is on for a total of 1hr daily. Estimated $360 a year. 3.3kwh x 30cents pwh. Need 8 yrs to cover the cost of heat pump heater

 

[HMAN]

heat pump dryer with accurate humidity gauge is good, perfect dry without wrinkles..
it takes longer time to dry but won't damage your clothes with over heating.

 

[DragonFire]

that article was from yr 2016... until now still not popular... there must be a reason. can be due to cost or easily spoil or takes a long time to make the water hot, or some other reasons... have to search deeper maybe can find the reason...

Cost is an issue. As much power as it saves they have a big upfront cost.

That said, for sheer performance you won't find better. I have a light commercial unit installed and I'd never go back to regular instant or tank heaters.

They can be augmented to receive solar heated water or water heated by an air conditioner heat exchanger, thus reducing power bills even further.

 

[DragonFire]

Quick comparison.

Instant heater
- cheap
- saves power (varies with usage)
- low flow rate
- hot water on demand

Tank heater
- cheap
- eats power (varies with tank size/design)
- excellent flow rate
- preheat required if in power save

Heat pump tank heater with booster
- expensive
- saves power when operated within design limits
- eats power if undersized
- excellent flow rate
- cools the room the tank is installed in

 

[DragonFire]

Heatpump is not cheap is very ex I think daikin has 1

In SG case is link tgt with aircon

The daikin heat exchanger is meant to supply another suppliers tank heater with preheated water. It is meant for use with VRV installations. I explored installing one, but my ME space was too limited.