Reviews of Pioneer Ductless DUAL ZONE Multi Split INVERTER Air Conditioner

Customer Ratings:

I love my pioneer ac/heater. It is so quite and with 2 indoor units keeps our apartment the perfect temp.

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Concerned consumer. These types of units are great when they work, but i have found that there are some questions that should have been asked before purchasing. Find out if proof of a licensed hvac tech has to be involved in your installation for your warranty to be valid? If trouble occurs who is going to do the repairs? Can you find an hvac tech that will work on the unit if you did not buy it from their company? How much will they charge per hour? Be careful of the copper as it can easily kink or twist inside the foam and you will not see the problem. Have to love the price.

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I installed this dual-zone unit along with a four-zone unit and a single-zone, 110-volt unit to control the climate inside a house on Washington's Pacific coast. The installation was uneventful, and my installer had no problems with any of the components or the instructions.

We had some difficulty getting the system started. Apparently the shipment was jostled a bit during transit, shaking some of the connections loose and keeping it from starting normally. The staff at HighSEER was very helpful in resolving our problems, but the three-hour time differential between the installation and the distributor made communication slow.

A competent DIYer could install the two control heads, but running the 230-volt electrical power and charging the refrigerant lines require more knowledge and equipment than most competent DIYers have on hand. Installation requires drilling two three-inch holes in an outside wall, and I wasn't quite ready to do that myself, so I had the installer do the whole job.

I gave the product four stars on the assumption that everything will work properly when we get the startup kinks worked out. It's established technology, so it should. Look for an update around October 10.

October 12 Update: We're still having some problems with the control logic on the second control head. As long as I have only the primary head working, operation is perfect. When I turn the second head on, it runs for half an hour and then the whole system shuts down on compressor overheat. The HighSEER staff sent me a detailed technical manual, so we have a detailed troubleshooting flowchart to follow, but the going is slow. I'm still rating it four stars on the assumption that we'll eventually get this problem worked out. More later.