Heat Pumps

Cost-effective heating and cooling for milder climates

If you live in a mild climate, Ameristar heat pumps deliver just what you need for comfort during every season. In summer, they operate as an air conditioner—and when the weather cools off, they blow warm air throughout your home. These high-efficiency, all-electric units offer a practical, two-in-one solution that lets you manage your budget too.

A4HP4

Heat Pump

System Features

14.3 SEER2
1.5 – 5 ton capacity
All-aluminum coil
Scroll compressor
Quiet operation (74-76db)
Smaller size options for tighter spaces
Pre-painted steel cabinet and base pan
Assembled in Tyler, Texas

A4HP4 14.3 SEER2 Heat Pumps

Model	Capacity (Tons)	Vapor Line	Dimensions (in)
Model	Capacity (Tons)	Vapor Line	H	W	D
A4HP4018D1000A	1.5	3/4″	28.6	23.6	23.6
A4HP4024D1000A	2	3/4″	28.6	29.8	29.8
A4HP4030D1000A	2.5	3/4″	28.6	34.3	34.3
A4HP4036D1000A	3	7.8″	28.6	34.3	34.3
A4HP4042D1000A	3.5	7/8″	28.6	34.3	34.3
A4HP4048D1000A	4	7/8″	32.6	34.3	34.3
A4HP4060D1000A	5	7/8″	44.6	34.3	34.3

All models feature 3/8″ liquid line.

SEER2, or Seasonal Energy Efficiency Ratio, measures how efficiently a unit can cool your home in the summer. The higher the SEER2 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.

A4HP5

Heat Pump

System Features

15.2 SEER2
1.5 – 5 ton capacity
All-aluminum coil
Scroll compressor
Quiet operation (76db)
Smaller size options for tighter spaces
Pre-painted steel cabinet and base pan
Assembled in Tyler, Texas

A4HP5 15.2 SEER2 Heat Pumps

Model	Capacity (Tons)	Vapor Line	Dimensions (in)
Model	Capacity (Tons)	Vapor Line	H	W	D
A4HP5018D1000A	1.5	3/4″	28.6	25.6	25.6
A4HP5024D1000A	2	3/4″	28.6	29.8	29.8
A4HP5030D1000A	2.5	3/4″	36.6	34.3	34.3
A4HP5036D1000A	3	3/4″	36.6	34.3	34.3
A4HP5042D1000A	3.5	7/8″	44.6	34.3	34.3
A4HP5048D1000A	4	7/8″	44.6	34.3	34.3
A4HP5060D1000A	5	7/8″	44.6	34.3	34.3

All models feature 3/8″ liquid line.

SEER2, or Seasonal Energy Efficiency Ratio, measures how efficiently a unit can cool your home in the summer. The higher the SEER2 number, the less energy you’ll use.

A4HP6

Heat Pump

System Features

16 SEER
1.5 – 5 ton capacity
All-aluminum coil
Scroll compressor
Quiet operation (76db)
Smaller size options for tighter spaces
Pre-painted steel cabinet and base pan
Assembled in Tyler, Texas

A4HP6 16 SEER Heat Pumps

Model	Capacity (Tons)	Vapor Line	Dimensions (in)
Model	Capacity (Tons)	Vapor Line	H	W	D
A4HP5018D1000A	1.5	3/4″	28.6	25.6	25.6
A4HP5024D1000A	2	3/4″	28.6	29.8	29.8
A4HP5030D1000A	2.5	3/4″	36.6	34.3	34.3
A4HP5036D1000A	3	3/4″	36.6	34.3	34.3
A4HP5042D1000A	3.5	7/8″	44.6	34.3	34.3
A4HP5048D1000A	4	7/8″	44.6	34.3	34.3
A4HP5060D1000A	5	7/8″	44.6	34.3	34.3

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.

M4HP3

Heat Pump

System Features

Ameristar units are available in 13 SEER (R-410A only) models
1.5 – 5 ton models available
Painted, galvanized steel cabinets resist rust and stand up to weather
The compact design and small footprint are ideal for homeowners with limited yard space
Units operate quietly, with a maximum sound level of 76 decibels
24V low‑voltage control provides added safety

13 SEER Heat Pumps (R410A Refrigerant)

Model	Tonnage	Sound Rating	SEER	HSPF	Dimensions (in)
Model	Tonnage	Sound Rating	SEER	HSPF	H	W	D
M4HP3018A1000AA	1.5	74	13.00	7.70	24.94	21.875	21.875
M4HP3024A1000AA	2.0	74	13.00	7.70	24.94	23.625	23.625
M4HP3030A1000AA	2.5	74	13.00	7.70	24.94	28	28
M4HP3036A1000AA	3.0	74	13.00	8.20	24.94	23.625	29.13
M4HP3042A1000AA	3.5	76	13.00	8.20	29.88	28	28
M4HP3048A1000AA	4.0	76	13.00	8.20	33.19	28	28
M4HP3060A1000AA	5.0	76	13.00	8.20	33.19	29.13	29.13

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.

M4HP4

Heat Pump

System Features

Ameristar units are available in 14 SEER (R-410A only) models
1.5 – 5 ton models available
Painted, galvanized steel cabinets resist rust and stand up to weather
The compact design and small footprint are ideal for homeowners with limited yard space
Units operate quietly, with a maximum sound level of 76 decibels
24V low‑voltage control provides added safety

14 SEER Heat Pumps (R410A Refrigerant)

Model	Tonnage	Sound Rating	SEER	HSPF	Dimensions (in)
Model	Tonnage	Sound Rating	SEER	HSPF	H	W	D
M4HP4018C1000AA	1.5	74	14.00	8.20	24.94	23.63	23.63
M4HP4024C1000AA	2.0	74	14.00	8.20	24.94	23.63	23.63
M4HP4030B1000AA	2.5	74	14.00	8.50	24.94	28.00	28.00
M4HP4036B1000AA	3.0	74	14.00	8.50	24.94	29.13	29.13
M4HP4042B1000AA	3.5	76	14.00	8.50	33.19	28.00	28.00
M4HP4048B1000AA	4.0	76	14.00	8.50	33.19	28.00	28.00
M4HP4060B1000AA	5.0	76	14.00	8.20	33.19	29.13	29.13

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.

M4HP6

Heat Pump

System Features

Ameristar units are available in up to 16 SEER (R-410A only) models
1.5 – 5 ton models available
Painted, galvanized steel cabinets resist rust and stand up to weather
The compact design and small footprint are ideal for homeowners with limited yard space
Units operate quietly, with a maximum sound level of 76 decibels
24V low‑voltage control provides added safety

16 SEER Heat Pumps (R410A Refrigerant)

Model	Tonnage	Sound Rating	SEER	HSPF	Dimensions (in)
Model	Tonnage	Sound Rating	SEER	HSPF	H	W	D
M4HP6018B1000AA	1.5	74	16.00	8.20	24.94	23.63	23.63
M4HP6024B1000AA	2.0	74	16.00	8.20	24.94	23.63	23.63
M4HP6030B1000AA	2.5	74	16.00	8.50	24.94	28.00	28.00
M4HP6036B1000AA	3.0	74	16.00	8.50	24.94	29.13	29.13
M4HP6042B1000AA	3.5	76	16.00	8.50	33.19	28.00	28.00
M4HP6048B1000AA	4.0	76	16.00	8.50	33.19	29.13	29.13
M4HP6060B1000AA	5.0	76	16.00	8.20	33.19	29.13	29.13

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.