Question

Should I get a heat pump with or without a RCC?

Asked by peakproducts
Germantown, TN

I live in Memphis, TN. I have a two story, all electric condo, 2300sq ft and need to replace my central air unit. I like the heat pumps, but should i add a Reverse Cycle Chiller (RCC)? what are long term costs for them and are there maintenance issues?

Answer

Rich Franz-Ünder

Answered by Rich Franz-Ünder

Tucson, AZ

Pima County Development Services

March 21, 2012

The best way to answer this is to meet with a qualified HVAC installer. Your outdoor design temperature is 18 degrees. This is well within the range of a stand air source heat pump.

To determine which is better, the HVAC contractor should first do a Manual J calculation to determine what size unit you need.

  • Your current unit is probably oversized by a ton or so.
  • This means you are wasting money and losing energy.

See the article here to see how to check the size of your current unit.

Once the Manual J is completed, the HVAC installer can do energy modeling for you, or recommend an energy rater who can do it.

  • The results of the energy model will predict the cost and savings between the heat pump and the RCC.
  • My guess is the you will get more benefit if you take the additional money that a RCC costs and put it toward sealing your duct work.

One last tip, see if your local electric utility has any incentive programs, they may pay for the energy modeling!

Tagged In: heating cooling

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