Air Handlers

Quiet, efficient air circulation for any size space

Quiet efficiency is the hallmark of Ameristar’s line of air handlers as they circulate warm or cool air throughout your home. These units are designed for flexibility in fitting a variety of installation configurations and locations, so you can be confident there’s one that will fit your home.

A4AH4

Air Handler

System Features

All-aluminum coil
Factory-installed flow control to support ratings
Fully insulated galvanized steel cabinet
Multi-speed fan motors
Assembled in Vidalia, Georgia

A4AH4 Multi-Position Air Handler

Model	Capacity (Tons)	Motor Type	Flow Control	Electric Heat	Dimensions (in)
Model	Capacity (Tons)	Motor Type	Flow Control	Electric Heat	H	W	D
A4AH4P18A1B60B	1.5	PSC	Orifice	Field Installed	45.02	18.50	21.13
A4AH4P24A1B60B	2	PSC	Orifice	Field Installed	45.02	18.50	21.13
A4AH4P30A1B60B	2.5	PSC	Orifice	Field Installed	45.02	18.50	21.13
A4AH4P36A1B30B	3	PSC	TXV	Field Installed	45.02	18.50	21.13
A4AH4P37A1C30B	3	PSC	TXV	Field Installed	51.27	23.50	21.13
A4AH4E42A1C30B	3.5	ECM	TXV	Field Installed	51.27	23.50	21.13
A4AH4E48A1C30B	4	ECM	TXV	Field Installed	51.27	23.50	21.13
A4AH4E60A1C30B	5	ECM	TXV	Field Installed	51.27	23.50	21.13

All models feature 3/8″ liquid line.

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 or by phone at 855-260-2975, otherwise Ameristar’s Base Limited Warranty terms will apply. Base Limited Warranty terms can be found online at ameristarhvac.com. Warranties are for residential use only; some restrictions may apply. Ask your installer for full warranty information at the time of purchase.

A4AH6

Air Handler

System Features

All-aluminum coil
Factory-installed flow control to support ratings
Fully insulated galvanized steel cabinet
Multi-speed fan motors
Assembled in Vidalia, Georgia

A4AH6 Multi-Position Air Handler

Model	Capacity (Tons)	Motor Type	Flow Control	Electric Heat	Dimensions (in)
Model	Capacity (Tons)	Motor Type	Flow Control	Electric Heat	H	W	D
A4AH6E19A1B30AA	1.5	ECM	TXV	Field Installed	45	18.5	21
A4AH6E31A1B30AA	2.5	ECM	TXV	Field Installed	46.8	18.5	21
A4AH6E43A1C30AA	3.5	ECM	TXV	Field Installed	51.3	23.5	21
A4AH6E49A1C30AA	4	ECM	TXV	Field Installed	55.9	23.5	21
A4AH6E61A1C30AA	5	ECM	TXV	Field Installed	55.9	23.5	21
A4AH6V24A1B30AA	2	ECM	TXV	Field Installed	46.8	18.5	21
A4AH6V30A1B30AA	2.5	ECM	TXV	Field Installed	46.8	18.5	21
A4AH6V36A1C30AA	3	ECM	TXV	Field Installed	51.3	23.5	21
A4AH6V42A1C30AA	3.5	ECM	TXV	Field Installed	51.3	23.5	21
A4AH6V48A1D30AA	4	ECM	TXV	Field Installed	55.9	23.5	21
A4AH6V60A1D30AA	5	ECM	TXV	Field Installed	53.9	26.5	21
A4AH6V48A1C30AA	4	ECM	TXV	Field Installed	55.9	23.5	21
A4AH6V60A1C30AA	5	ECM	TXV	Field Installed	53.9	26.5	21

All models feature 3/8″ liquid line.

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.

TMM4/TMM5

Upflow Air Handler

System Features

Ameristar air handlers are adaptable to both 13 and 14 SEER models
2 – 3 ton models available
TMM4B and TMM5B models include all aluminum coil
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

TMM4B Upflow Air Handlers

Models*	Height (in)	Width (in)	Depth (in)
Models*	Height (in)	Width (in)	Depth (in)	TMM4B0A18S21SA	36.50	20.50	15.00
TMM4B0A24S21SA	36.50	20.50	15.00
TMM4B0B30S21SA	39.50	22.00	19.00
TMM4B0B36S31SA	39.50	22.00	19.00

TMM5B Upflow Air Handlers

Models	Height (in)	Width (in)	Depth (in)
Models	Height (in)	Width (in)	Depth (in)	TMM5B0A24M21SA	36.50	20.50	15.00
TMM5B0B30M21SA	39.50	22.00	19.00
TMM5B0B36M31SA	39.50	22.00	19.00

All models feature 3/8″ liquid line.

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.

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

M4AH3/M4AH4 Convertible Air Handler

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

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

All models feature 3/8″ liquid line.

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.

M4AH4/M4AH6

Convertible Air Handler

System Features

Ameristar air handlers are adaptable to both 13, 14 and 16 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

M4AH4/M4AH6 Convertible Air Handler

ECM Models	Tonnage	Dimensions (in)
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
M4AH6E60B1C00A	5.0	54.50	22.00	24.00

PSC Models	Tonnage	Dimensions (in)
PSC Models	Tonnage	H	W	D
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

All models feature 3/8″ liquid line.

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.