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What is your shipping policy?

How do I make a return?

How do I cancel my order?

What if my package gets lost or arrives damaged?

How long is the warranty?

Price match policy

General

What is the 3-minute compressor protection?

Are the window air conditioner fits in my window?

What is the little symbol that looks like a person's head and shoulder showing on my unit?

How does the Energy-saving mode run?

How does the sleep mode work?

Do the window ACs come out of the case or are they fixed solid?

Can the window air conditioner be mounted vertically or sideway instead of horizontally?

The air conditioners cycle on and off.

Water circulating noise in the unit

Window AC

Video guide to setup the portable AC

Do I need to drain the water?

What is 3-Minute Compressor Protection?

What are the dimensions of the window panel kit?

What diameter exhaust hose does it come with? How long can it be extended? Can I get a hose extension?

Can this portable AC vent through my window screen? Do I need to remove my window screen?

Portable AC

Which voltage model should I choose? 115V or 230V?

Do you have another size line set? Can the copper line sets be cut or shortened?

Is the mini-split AC pre-charged with freon?

Are the coils coated with an anti-corrosion coat?

Why is there condensation at the indoor unit's air outlet of a split air conditioner?

Filter maintenance issues

Can the split ac connect to a regular 120V outlet ?

What is the recommended operating range?

Do you offer professional installation service?

Can I use the GFCI breakers?

What type of refrigerant is used in your split AC units?

What should I check before buying ERV system?

Can the ERV system be mounted on any wall?

Does the ERV system need to be installed right next to the indoor unit?

Can the ERV system work with my existing split AC?

Can the ERV system work independently?

Is it possible to use a MERV 13 rated filter on the mini split units?

How to remove the indoor unit from the mounting plate?

How to Operate the ERV in Aoraki Systems

What is defrost mode?

How Do I Know My Heat Pump Is in Defrost Mode?

How Often Should Defrost Mode Run?

Why Is My Heat Pump Blowing Cool Air in Winter?

Do I need to add more refrigerant if I use a longer line set?

Is the mini split AC compatible with Apple Home(HomeKit)?

How does Auto Mode work?

Do I Need to Evacuate Every Port on a Multi-Zone Mini Split Indoor Unit?

How to replace an ERV filter

Mini-Split AC General

Error Code-F0 Refrigerant leakage protection

Error Code-F1, F2, F4 Temperature sensor malfunction

Error Code-H3, E8 Overload protection

Error Code-E2 Anti freezing protection

Error Code-E6 Communication malfunction

Error Code-E5 Overcurrent protection

Error Code-H6 Internal fan motor does not operate

Mini-Split AC Error Codes Troubleshooting

Are the 7.5-inch screws included?

Can this RV AC run on 120 V from a regular home outlet？

What is the torque for the 4 main mounting bolts?

Is this RV AC an inverter unit

Is the TOSOT RV AC equipped with a soft start?

RV AC is not responding. No display

Why does my TOSOT RV AC seem to never stop running?

What should I do if there is a bad smell from  my RV AC?

RV AC

What is the target subcooling and subheting for this system?

Central Air Heat Pump

Technical Issues

Is it hermostatic expansion valves or electronic expansion valves?

What start up wattage is for RV AC

All you want to know about online shopping related to shipping policy, warranty and order processing.

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Is it hermostatic expansion valves or electronic expansion valves?

What start up wattage is for RV AC