The Trane XV20i is a variable-speed air conditioner with an efficiency rating of up to 21 SEER. The unit's Climatuff variable-speed compressor, compressor sound insulator and integrated fan system help keep sound levels as low as 55 decibels. It features an all-aluminum Spine Fin coil which resists corrosion while improving heat transfer. The cabinet is constructed of galvanized steel louvered panels with a corrosion resistant powder paint finish and is set on a DuraTuff basepan that resists corrosion, warping and cracking. The XV20i uses ComfortLink II communicating technology, which controls communication between components for optimal efficiency.
This 4 ton Trane XV20i is amazing, so quiet and it keeps the humidity at 44% in Miami. It was about $8500.00 but it will hopefully pay for itself over its lifetime as it is a 20 SEER unit. It's using about half the electricity of my old unit. The really nice thing about these variable speed units is that you can't hear them running even if the return is in your TV room. UPDATE 7/20/15: This air conditioner goes way beyond just high efficiency, I've had it about 2 months now and the electric bill is about 40% less. The way it cools and how quiet it is are the most noticeable improvements. Spend the dough and you won't be disappointed.
A post on hvac-talk.com from a homeowner asking for opinions of the XV20i found a few positive comments, including how quiet it is, but there were many comments from professionals stating that the unit is too complicated and they'd prefer one that is simpler.
Product registration is required within 60 days of installation for maximum warranty coverage. The warranty for the Trane XV20i air conditioner is comprised of the following:
12-year limited warranty on the compressor
10-year limited warranty on the outdoor coil
10-year limited warranty on internal functioning parts
Labor costs are not covered by the warranty. Optional extended warranties which can pay for labor and other costs not covered by the manufacturer's warranty are available.
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