SL18XP1-036-230, Heat Pump, 18 SEER, 3 Ton, R-410A, DLSC Series

Cat # : 12U09 |Model/Part # : SL18XP1-036-230A01

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Dave Lennox Signature® Collection

SL18XP1 Heat Pump

The quietest and most efficient single-stage heat pump*

As the latest addition to the Dave Lennox Signature® Collection, the SL18XP1-036-230 offers efficiencies up to 18.50 SEER and 10.20 HSPF, with sound levels as low as 67 decibels.

Signature® Performance & Comfort

  • The quietest single-stage heat pump on the market: as low as 67 decibels! Approximately 40 times quieter than a standard heat pump*
  • Scroll compressor helps precisely control air temperature for greater comfort
  • The SL18XP1 system paired with an iComfort® S30 thermostat monitors humidity levels and removes excessive moisture that can cause mold growth, creating healthier, more comfortable air
  • Compatible with the exclusive Healthy Climate® ozone-free Indoor Air Quality Solutions system
  • SunSource® solar-ready design – maximizes energy savings by integrating the unit with one to sixteen solar modules

Reliability & Performance

  • The Lennox Quantum™ Condenser Coil can help protect against corrosion in harsh environments, including coastal areas
  • All-aluminum fortified tube and fin construction provides efficient heat transfer, lighter weight, and ease of cleaning
  • Durable single stage scroll compressor
  • 10-year limited warranty on compressor and covered components

Easier Handling & Cleaning

  • Lighter weight for easier (and safer) handling
  • Water-only cleaning: no coil cleaner purchase
  • Water-only cleaning appeals to the environmentally-conscious consumer
  • Lennox provides complimentary training for this new cleaning system

Energy Efficiency

  • The most efficient single-stage heat pump*
  • Up to 18.50 SEER and 10.20 HSPF efficiency ratings
  • Unit may qualify for many state utility rebates
  • ENERGY STAR® qualified
  • Dual-fuel option pairs the SL18XP1 with a Lennox communicating gas furnace. The SL18XP1 provides warmth as temperatures drop. On extremely cold days, the gas furnace takes over to maintain maximum comfort

*Actual system efficiency may vary depending on the exact system match. Efficiencies are representative of a single AHRI Most Popular matched combination. Always verify actual system efficiencies through AHRI or by visiting AHRI ratings database at Must be accompanied by either a Lennox variable speed air handler or furnace and an iComfort® communicating thermostat.

Brand Lennox
Catalog Number 12U09
Model/Part Number SL18XP1-036-230A01
Minimum Order Quantity 0.0
Base Unit of Measure Unit(S)
Product Depth 39-1/2 IN
Product Height 41 IN
Product Width 35-1/2 IN
Product Voltage 208/230v 1ph 60 hz
Horsepower 1/3 HP
Liquid Line 3/8 IN
Refrigerant R410A
Gross Weight 295 LB
Suction Line 7/8 IN
Family SL18XP1
Cooling Capacity 3.0 Ton Cooling
Efficiency 16.5 SEER
Hertz 60 hz
Phase 1 Phase
Series Dave Lennox Signature Collection

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