M4AH4 Convertible Air Handler with All-Aluminum Coil

System Features

Ameristar air handlers are adaptable to both 13 and 14 SEER models
1.5 – 5 ton models available
All-aluminum coil design
ECM blower motors achieve higher AHRI ratings
Painted, galvanized steel cabinets resist rust
Ameristar air handlers offer multiple airflow designs for convertibility: Vertical upflow/downflow; Horizontal left or right
Auxiliary heaters available in 5kw–20kw
Dual drainage spouts offer flexibility in installation options
Removable front panel and blower and coil assemblies that slide out allow easy access for maintenance and troubleshooting

14 SEER PSC Models	Tonnage	Dimensions (in)
M4AH4P18B1A00A	1.5	41.38	18.13	20.50
M4AH4P25B1B00A	2.0	46.50	19.63	21.63
M4AH4P32B1B00A	2.5	46.50	19.63	21.63
M4AH3P36B1B00A	3.0	46.50	19.63	21.63
M4AH4P44B1C00A	3.5	54.50	22.00	24.00
M4AH4P48B1C00A	4.0	54.50	22.00	24.00
M4AH4P60B1C00A	5.0	54.50	22.00	24.00

M4AH3/M4AH4 Convertible Air Handler

System Features

Ameristar air handlers are adaptable to both 13 and 14 SEER models
1.5 – 5 ton models available
Painted, galvanized steel cabinets resist rust
Ameristar air handlers offer multiple airflow designs for convertibility: Vertical upflow/downflow; Horizontal left or right
Auxiliary heaters available in 5kw–20kw
Dual drainage spouts offer flexibility in installation options
Removable front panel and blower and coil assemblies that slide out allow easy access for maintenance and troubleshooting

13 SEER Models	Tonnage	Dimensions (in)
13 SEER Models	Tonnage	H	W	D
M4AH3018A1000AA	1.5	41.38	18.13	20.50
M4AH3024A1000AA	2.0	41.38	18.13	20.50
M4AH3030A1000AA	2.5	41.38	18.13	20.50
M4AH3036A1000AA	3.0	46.50	19.63	21.63
M4AH3042A1000AA	3.5	46.50	19.63	21.63
M4AH3048A1000AA	4.0	54.50	22.00	24.00
M4AH3060A1000AA	5.0	54.50	22.00	24.00

5-Year Base Limited Warranty
10-Year Registered Limited Warranty*

14 SEER Models	Tonnage	Dimensions (in)
14 SEER Models	Tonnage	H	W	D
M4AH3018A1000AA**	1.5	41.38	18.13	20.50
M4AH4025A1000AA	2.0	46.50	19.63	21.63
M4AH4032A1000AA	2.5	46.50	19.63	21.63
M4AH3036A1000AA**	3.0	46.50	19.63	21.63
M4AH4044A1000AA	3.5	54.50	22.00	24.00
M4AH3048A1000AA**	4.0	54.50	22.00	24.00
M4AH3060A1000AA**	5.0	54.50	22.00	24.00

**Requires TXV for 14 SEER
5-Year Base Limited Warranty
10-Year Registered Limited Warranty*

SEER, or Seasonal Energy Efficiency Ratio, measures how efficiently a unit can cool your home in the summer. The higher the SEER number, the less energy you’ll use.

*Registered Limited Warranty terms are applicable if the products are registered within 60 days of installation. Products can be registered online at ameristarac.com or by phone at 866-554-5611, otherwise Ameristar’s Base Limited Warranty terms will apply. Base Limited Warranty terms can be found online at ameristarac.com. Warranties are for residential use only; some restrictions may apply. Ask your installer for full warranty information at the time of purchase.

TMM4/TMM5 Upflow Air Handler

System Features

Ameristar air handlers are adaptable to both 13 and 14 SEER models
2 – 3 ton models available
Painted metal cabinet with foil face insulation
Ameristar air handlers are upflow only and can be used in various applications: Wall mount, stud mount, over the water heater mount
Auxiliary heaters available in 5kw–10kw
ECM constant torque motor
Factory installed R-410A thermal expansion valve on TMM5 models
Factory installed orifice on TMM4 models

Locate Energyguide Tables

TMM5 Models	Height (in)	Width (in)	Depth (in)
TMM5 Models	Height (in)	Width (in)	Depth (in)	TMM5A0B24M21SA	39.50	22.00	19.00
TMM5A0B30M21SA	39.50	22.00	19.00
TMM5A0B36M31SA	39.50	22.00	19.00

TMM4 Models*	Height (in)	Width (in)	Depth (in)
TMM4 Models*	Height (in)	Width (in)	Depth (in)	TMM4A0A18S21SA	36.50	20.50	15.00
TMM4A0A24S21SA	36.50	20.50	15.00
TMM4A0B30S21SA	39.50	22.00	19.00
TMM4A0B36S31SA	39.50	22.00	19.00

*Requires TXV kit for increased ratings
5-Year Base Limited Warranty
10-Year Registered Limited Warranty**

**Registered Limited Warranty terms are applicable if the products are registered within 60 days of installation. Products can be registered online at ameristarac.com or by phone at 866-554-5611, otherwise Ameristar’s Base Limited Warranty terms will apply. Base Limited Warranty terms can be found online at ameristarac.com. Warranties are for residential use only; some restrictions may apply. Ask your installer for full warranty information at the time of purchase.

14 SEER ECM Models	Tonnage	Dimensions (in)
14 SEER ECM Models	Tonnage	H	W	D

M4AH4E26B1A00A	2.0	41.38	18.13	20.50

M4AH4E37B1B00A	3.0	46.50	19.63	21.63


M4AH4E61B1C00A	5.0	54.50	22.00	24.00

M4AH4 Convertible Air Handler with All-Aluminum Coil

System Features

M4AH3/M4AH4 Convertible Air Handler

System Features

TMM4/TMM5 Upflow Air Handler

System Features

Add a programmable thermostat