Key Benefits

• Automatically communicates and coordinates with your other system components via the AccuLink™ Communicating System*
• Charge Assist™ charging simplifies service and improves system refrigerant charge accuracy
• Among the highest efficiency in the industry, significantly surpassing government efficiency standards and helping you save up to 50% on your energy bills while reducing greenhouse gas emissions**
• Contains two compressors that provide two-stage heating and cooling, running at an energy-saving 50% capacity most of the time, which may help lower your heating and cooling bills*
• Runs quietly and keeps temperature even from room to room with its variable speed fan motor
• Heats and cools using an environmentally friendly refrigerant that’s ozone-safe.
• Removes unwanted humidity from the air, leaving you feeling cooler and more comfortable
• Provides more efficient and reliable cooling, thanks to durable woven Spine Fin™ coil and dual Duration™ compressors
• Rust-resistant coating, screws and basepan protect system from the elements

*An American Standard 900 Series Comfort Control with communicating indoor unit is required for Heritage 20 communicating heat pumps.

**Potential energy savings may vary depending on your lifestyle, system settings, equipment maintenance, local climate, home construction and installation of equipment and duct system.

Heritage® 20 Heat Pumps (R-410A)

Model	TONNAGE	Capacity	H"	W"	D"	Shipping Weight (lb)
4A6Z0024	2.0	24,000	45.0	37.0	34.0	380
4A6Z0036	3.0	36,000	45.0	37.0	34.0	385
4A6Z0048	4.0	48,000	45.0	37.0	34.0	470
4A6Z0060	5.0	60,000	45.0	37.0	34.0	470

As an ENERGY STAR® Partner, American Standard Heating & Air Conditioning has determined that some models meet the ENERGY STAR® guidelines for energy efficiency.

10-year warranty on Allegiance® 20 and Heritage® 20 Products

• 12-year limited warranty on Duration™ compressor *
• 10-year limited warranty on Spine Fin™ coil *
• 10-year limited warranty on all other parts *
• Optional extended warranties available for 10-year coverage on parts and labor

* Unit must be registered within 60 days to receive limited warranty