HVAC Rated

1.5-ton central heat pump · LX SERIES

Coleman XH518E2S11

Below average cooling and heating efficiency for a 1.5-ton central heat pump, but not rated for cold climates.

Ranks #136 of 170 1.5 ton central heat pumps for cooling efficiency, and costs about $559 a year to run in a mixed climate like Atlanta.

SEER2
16.0 Cooling efficiency over a season
Below average · beats 26%
HSPF2
7.8 Heating efficiency over a season
Below average · beats 5%
EER2
12.0 Cooling efficiency on a 95°F day
Average · beats 64%
Heat at 5°F
9,100 BTU/h53% of its 47°F output
Excellent · beats 92%

A good fit if…

  • You want a choice of indoor units - 1,012 certified pairings.

Think twice if…

  • You often see nights below 0°F - it is not cold-climate certified.
  • Cooling cost matters most - its SEER2 is below average for central heat pumps.
  • You mainly need heat - its HSPF2 is below average for central heat pumps.
  • Comfort and noise matter - a single-stage compressor runs only full-on or off.

Calculate my running cost

Details

Specifications1.5 ton, R-454B
General
BrandColeman
Also sold asLuxaire, CHAMPION HEATING AND COOLING, Fraser-Johnston, Johnson Controls, Kenmore
Outdoor unit modelXH518E2S11
SeriesLX SERIES
TypeCentral heat pump
Nominal size1.5 ton
CompressorVariable-speed units run longer at low powerSingle stage
RefrigerantR-454B
Connected (smart) capableNo
On the market sinceSeptember 24, 2024
Last certifiedAugust 20, 2026
Cooling
SEER2Seasonal efficiency, higher is better16.0 (range 15.2-16.0)
EER2Efficiency at 95°F outdoors12.0-12.5
Cooling capacity17,000-18,600 BTU/h
Heating
HSPF2Seasonal efficiency, higher is better7.8
Capacity at 47°F16,100-17,000 BTU/h
Capacity at 17°F10,700-11,300 BTU/h
Capacity at 5°F8,700-9,100 BTU/h
COP at 5°F2.0 = twice as efficient as a space heater2.26-2.34
ENERGY STAR cold climateNo
Heating output as it gets colder53% kept at 5°F

Every heat pump delivers less heat as the outdoor temperature drops. Certified output of its matchup with CTM30B5ACS1 at the standard test temperatures, in BTU/h:

Certified matchups1,012 indoor units

The same outdoor unit scores differently with each indoor unit and furnace. The 60 highest-rated of 1,012 are shown. Ask your installer for the AHRI reference number of the exact system you are quoted.

Indoor unitFurnaceSEER2EER2HSPF2Heat @5°FAHRI ref.
CTM30B5ACS1Z8VT080B12SMPC116.012.07.88,900217445033
CTU30B5XCS1+TXVZ8VT080B12SMPC116.012.07.88,900217445032
CTF30B5ACS1Z8VT080B12SMPC116.012.07.88,900217445031
CTM24B5ABS1Z8VT080B12SMPC116.012.07.88,900217445030
CTF24B5ABS1Z8VT080B12SMPC116.012.07.88,900217445029
CTM30B5ACS1Z8VT080B12SMPC116.012.07.88,900217444971
CTU30B5XCS1+TXVZ8VT080B12SMPC116.012.07.88,900217444970
CTF30B5ACS1Z8VT080B12SMPC116.012.07.88,900217444969
CTM24B5ABS1Z8VT080B12SMPC116.012.07.88,900217444968
CTF24B5ABS1Z8VT080B12SMPC116.012.07.88,900217444967
CTM30B5ACS1Z8VT080B12SMPC116.012.07.88,900217444909
CTU30B5XCS1+TXVZ8VT080B12SMPC116.012.07.88,900217444908
CTF30B5ACS1Z8VT080B12SMPC116.012.07.88,900217444907
CTM24B5ABS1Z8VT080B12SMPC116.012.07.88,900217444906
CTF24B5ABS1Z8VT080B12SMPC116.012.07.88,900217444905
CTM30B5ACS1Z8VT080B12SMPC116.012.07.88,900217444847
CTU30B5XCS1+TXVZ8VT080B12SMPC116.012.07.88,900217444846
CTF30B5ACS1Z8VT080B12SMPC116.012.07.88,900217444845
CTM24B5ABS1Z8VT080B12SMPC116.012.07.88,900217444844
CTF24B5ABS1Z8VT080B12SMPC116.012.07.88,900217444843
CTM30B5ACS1Z8VT080B12SMPC116.012.07.88,900217444785
CTU30B5XCS1+TXVZ8VT080B12SMPC116.012.07.88,900217444784
CTF30B5ACS1Z8VT080B12SMPC116.012.07.88,900217444783
CTM24B5ABS1Z8VT080B12SMPC116.012.07.88,900217444782
CTF24B5ABS1Z8VT080B12SMPC116.012.07.88,900217444781
CTM30B5ACS2Z8VT080B12SMPC116.012.07.88,900218526494
CTM30B5ACS2Z8VT080B12SMPC116.012.07.88,900218526493
CTM30B5ACS2Z8VT080B12SMPC116.012.07.88,900218526492
CTM30B5ACS2Z8VT080B12SMPC116.012.07.88,900218526491
CTM24B5ABS2Z8VT080B12SMPC116.012.07.88,900218526490
CTM24B5ABS2Z8VT080B12SMPC116.012.07.88,900218526489
CTM24B5ABS2Z8VT080B12SMPC116.012.07.88,900218526488
CTM24B5ABS2Z8VT080B12SMPC116.012.07.88,900218526487
CTU30B5XCS2+TXVZ8VT080B12SMPC116.012.07.88,900218526230
CTU30B5XCS2+TXVZ8VT080B12SMPC116.012.07.88,900218526229
CTU30B5XCS2+TXVZ8VT080B12SMPC116.012.07.88,900218526228
CTU30B5XCS2+TXVZ8VT080B12SMPC116.012.07.88,900218526227
CTF30B5ACS2Z8VT080B12SMPC116.012.07.88,900218526226
CTF30B5ACS2Z8VT080B12SMPC116.012.07.88,900218526225
CTF30B5ACS2Z8VT080B12SMPC116.012.07.88,900218526224
CTF30B5ACS2Z8VT080B12SMPC116.012.07.88,900218526223
CTF24B5ABS2Z8VT080B12SMPC116.012.07.88,900218526154
CTF24B5ABS2Z8VT080B12SMPC116.012.07.88,900218526153
CTF24B5ABS2Z8VT080B12SMPC116.012.07.88,900218526152
CTF24B5ABS2Z8VT080B12SMPC116.012.07.88,900218526151
CTM30B5ACS2Z8VT080B12SMPC116.012.07.88,900218600744
CTM24B5ABS2Z8VT080B12SMPC116.012.07.88,900218600743
CTU30B5XCS2+TXVZ8VT080B12SMPC116.012.07.88,900218600702
CTF30B5ACS2Z8VT080B12SMPC116.012.07.88,900218600701
CTF24B5ABS2Z8VT080B12SMPC116.012.07.88,900218600691
JHE24B5AC2SS1-15.212.57.88,900215740146
JHE24B5AC2SS1-15.212.57.88,900215740147
JHE24B5AC2SS1-15.212.57.88,900215740148
JHE24B5AC2SS1-15.212.57.88,900215740149
JHE24B5AC2SS1-15.212.57.88,900215740150
CTF30B5ACS1+JMC12B2SN1-15.212.57.88,900215740300
CTU30B5XCS1+JMC12B2SN1+TXV-15.212.57.88,900215740301
CTM30B5ACS1+JMC12B2SN1-15.212.57.89,000215740302
CTM24B5ABS1+JME12B2SN1-15.212.57.88,800215740303
CTF30B5ACS1+JMET12BS2N1-15.212.57.88,900215740304
Yearly running cost in 10 large cities$499-$1,336

At each state's average electricity price and the city's typical heating and cooling hours.

Questions5
What is the SEER2 rating of the Coleman XH518E2S11?
The Coleman XH518E2S11 is rated at up to 16.0 SEER2 and 12.0 EER2 for cooling and up to 7.8 HSPF2 for heating. The exact figure depends on the indoor unit it is paired with; across its 1012 certified matchups SEER2 ranges from 15.2-16.0.
Is the Coleman XH518E2S11 good for cold climates?
It is not cold-climate certified: none of its matchups meet the ENERGY STAR cold-climate criteria (a COP of at least 1.75 at 5°F among other limits). In places with frequent sub-zero nights, pick a cold-climate 1.5-ton model.
How much does the Coleman XH518E2S11 cost to run per year?
At its rated efficiency it costs about $499-$1,336 a year in electricity in large U.S. cities, depending on climate and local rates - for example $616 in Phoenix and $1,116 in Minneapolis. The calculator on this page works it out for your city and compares it with your current system.
Which indoor units work with the Coleman XH518E2S11?
ENERGY STAR lists 1012 certified combinations for this outdoor unit. The highest-rated ones use CTM30B5ACS1, CTU30B5XCS1+TXV, CTF30B5ACS1.
What refrigerant does the Coleman XH518E2S11 use?
It uses R-454B.

Running cost and savings

Pre-filled with this model. Pick your city and what you heat with today; everything else is optional.

Heat pump $611/yrYou save $257/yrSee details ↓
1. Where you live
Adjust heating and cooling hours

Filled in from your city's climate. Change them if you run the system much more or less than usual.

2. The heat pump Coleman XH518E2S11
3. What it replaces
4. Price replace the example with your quote
Heat pump, per year
$611
Current system, per year
$868
You save per year
$257
Payback
25.2 years
Net after 10 years
-$3,925

Cooling $374Heating $237Electricity used: 3,818 kWhSaved vs. a minimum-efficiency heat pump: $54

Estimates use the unit's rated SEER2 and HSPF2, full-load hours derived from NOAA 1991-2020 degree days, average residential electricity prices from the U.S. EIA (12 months to July 2026) and fuel prices from EIA (2025 for natural gas, week of 2026-10-05 for propane and heating oil). Very cold days that need backup heat are not modelled. Federal minimum for comparison: 14.3 SEER2 / 7.5 HSPF2.

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Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), certification of August 20, 2026. How we use the data.