A-NHA Models

Slim and compact, INVERTER-driven compressor, quiet, anti-corrosion (-BS) models available (frame, coils, copper parts), Pulse Amplitude Modulation (PAM), Pulse Wave Modulations (PWM): Vector Wave Eco INVERTER, low ambient cooling operation down to 0 °F (with wind baffle), A-control connection, Same indoor units used with both cooling-only and heat pump outdoor models, auto cool/heat changeover

Production: 2006 - 2008

HA Models

Slim and compact, INVERTER-driven compressor, quiet, anti-corrosion (-BS) models available (frame, coils, copper parts), Pulse Amplitude Modulation (PAM), Pulse Wave Modulations (PWM): Vector Wave Eco INVERTER, low ambient cooling operation down to 0 °F (with wind baffle), A-control connection, Same indoor units used with both cooling-only and heat pump outdoor models, auto cool/heat changeover

Production: 2007 - Current

A-NHA2 Models

Slim and compact, INVERTER-driven compressor, quiet, anti-corrosion (-BS) models available (frame, coils, copper parts), Pulse Amplitude Modulation (PAM), Pulse Wave Modulations (PWM): Vector Wave Eco INVERTER, low ambient cooling operation down to 0 °F (with wind baffle), A-control connection, Same indoor units used with both cooling-only and heat pump outdoor models, auto cool/heat changeover

Production: 2008 - 2009

A-NHA3 Models

Slim and compact, INVERTER-driven compressor, quiet, anti-corrosion (-BS) models available (frame, coils, copper parts), Pulse Amplitude Modulation (PAM), Pulse Wave Modulations (PWM): Vector Wave Eco INVERTER, low ambient cooling operation down to 0 °F (with wind baffle), A-control connection, Same indoor units used with both cooling-only and heat pump outdoor models, auto cool/heat changeover

Production: 2009 - 2011

A-NHA4 Models

Slim and compact, INVERTER-driven compressor, quiet, anti-corrosion (-BS) models available (frame, coils, copper parts), Pulse Amplitude Modulation (PAM), Pulse Wave Modulations (PWM): Vector Wave Eco INVERTER, low ambient cooling operation down to 0 °F (with wind baffle), A-control connection, Same indoor units used with both cooling-only and heat pump outdoor models, auto cool/heat changeover

Production: 2010 - Current

A-NHA5

Slim and compact, INVERTER-driven compressor, quiet, anti-corrosion (-BS) models available (frame, coils, copper parts), Pulse Amplitude Modulation (PAM), Pulse Wave Modulations (PWM): Vector Wave Eco INVERTER, low ambient cooling operation down to 0 °F (with wind baffle), A-control connection, Same indoor units used with both cooling-only and heat pump outdoor models, auto cool/heat changeover

Production: 2012 - Current