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GeoSource™ Ultra®
Forced Air Horizontal Models
Performance Ratings

Ground Loop
Rated according to ISO 13256-1, which includes power consumption for water pumping.
HEATING
32°F EWT
Ground Loop
COOLING
77°F EWT
Ground Loop
MODEL
CFM
GPM
BTU/hr
COP
BTU/hr
EER
GH 170/171
625
5
14,700
3.3
17,400
14.1
GH/270/271
900
7
23,100
3.4
25,300
15.2
GH 370/371
1,100
8
32,800
3.3
35,400
14.1
GH 470/471
1,550
11
45,700
3.3
48,000
14.1
GH 570/571
1,800
13
54,800
3.3
58,000
14.1
GH 670/671
2,100
16
66,700
3.2
65,600
12.5
GH 870/871
2,700
22
78,500
3.3
88,000
14.1
GH 1100/
1101
1st Stage
2000
30
63,800
4.0
72,500
18.5
2nd Stage
3150
30
99,500
3.3
105,300
13.5




Ground Water
Rated according to ISO 13256-1, which includes power consumption for water pumping.
HEATING
50°F EWT

Ground Water
COOLING
59°F EWT
Ground Water
MODEL
CFM
GPM
BTU/hr
COP
BTU/hr
EER
GH 170/171
625 3 17,000 3.6 18,000 16.2
GH 270/271
900 4 24,800 3.7 26,900 16.4
GH 370/371
1,100 5 36,500 3.6 35,600 16.3
GH 470/471
1,550
7
51,500
3.6
50,100
16.2
GH 570/571
1,800
9
62,200
3.6
58,000
16.2
GH 670/671
2,100
12
76,500
3.5
70,200
15.0
GH 870/871
2,700 16 89,000 3.6 93,000 16.2
GH 1100/
1101
1st Stage 2,000 20 64,900 4.1 76,400 20.4
2nd Stage 3,150 20 115,500 3.5 113,600 16.0



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