Enjoy Reliable, Efficient Comfort with a Dave Lennox Signature® Collection Packaged Unit

Severe weather is no competition for a Dave Lennox Signature Collection packaged system from Oak Grove Heating & Air Conditioning in Hattiesburg. To be worthy of the Lennox name, these units are constructed from heavy-gauge, pre-painted steel and tested in the most extreme conditions. Plus, they perform efficiently—we’re talking ENERGY STAR®-qualified efficiency—even on on the most sweltering or bitterly cold days.

With quiet, two-stage heating and variable speed air-handling technology, our packaged units are undoubtedly among the top-of-the-industry offerings. And, our Lennox experts can readily enhance any Dave Lennox Signature Collection model with the PureAirTM air purification system, which mounts inside the packaged unit. So, your home will not only be the temperature you want, but will have reduced concentrations of pollutants.

Explore our models in the Dave Lennox Signature Collection.

15GCSX Gas/Electric Package Unit

With a duplicate variable-speed motor and two-stage operation as the other Dave Lennox Signature Collection models, the 15GCSX delivers year-round comfort. You can significantly lower your utility costs with its energy efficiency ratings of 15.00 SEER* and 78% AFUE***.

  • Energy ratings of 15.00 SEER* and 78% AFUE*** may significantly lower your utility spend
  • ENERGY STAR qualified, which means it meets or exceeds EPA guidelines for energy efficiency
  • Two-stage, variable speed operation performs at low-stage heat for a large percentage of the time, providing efficient performance
  • Internally-mounted outdoor fan cuts down operating sound and is easy to service
  • Coil guard-protected condenser coil is protected to help preserve the efficiency of the system
  • Control panel is easily accessible for faster servicing
  • Durable all-metal cabinet stands up to the harshest conditions
  • Variable-speed blower offers precise temperature control
  • IAQ-ready design so the 15GCSX can be effortlessly equipped with an internally mounted PureAir air purification system to help enhance comfort and cut down concentrations of pollutants
  • 20-Year Limited Warranty on heat exchanger
  • 10-Year Limited Warranty on compressor
  • 10-Year Limited Warranty on remaining covered components
15GCSX Gas/Electric Package Unit
Efficiency Rating (SEER): 15
AFUE Rating: 78Energy Star badge
Price Guide: $$$

15CHAX Package Cooling System

This packaged AC unit’s cooling engine is an energy-efficient scroll compressor that earned it an efficiency rating of 15.00 SEER* and ENERGY STAR qualification for meeting or exceeding EPA guidelines for energy efficiency.

  • Energy ratings of 15.00 SEER* which means it meets or exceeds EPA guidelines for energy efficiency
  • ENERGY STAR qualified, which means it meets or exceeds EPA guidelines for energy efficiency
  • Internally-mounted outdoor fan diminishes operating noise and is easy to care for
  • Coil guard-protected condenser coil is protected to help preserve the efficiency of the system
  • Control panel is easily accessible for simpler servicing
  • Durable all-metal cabinet stands up to the harshest conditions
  • Variable-speed blower offers exact temperature control
  • Compatible with chlorine-free R-410A refrigerant systems, which deliver exceptional comfort without exacting an excessive environmental toll
  • IAQ-ready design so the 15CHAX can be readily equipped with an internally mounted PureAir air purification system to help increase comfort and cut down concentrations of pollutants
  • 10-Year Limited Warranty on compressor
  • 10-Year Limited Warranty on covered components
Product Name
Efficiency Rating (SEER): up to 15
Price Guide: $$$Energy Star badge

15CHPX Package Cooling System

Featuring an innovative and dependable scroll compressor, the 15CHPX offers cooling efficiency superior to that of typical compressors. This ENERGY STAR-qualified packaged unit has an energy efficiency rating of 15.00 SEER* and 8.00 HSPF.**

  • Energy ratings of 15.00 SEER* and 8.00 HSPF** have potential to agreatly lower your utility bills
  • ENERGY STAR qualified, which means it meets or exceeds EPA guidelines for energy efficiency
  • Dependable scroll compressor delivers greater cooling efficiency
  • Internally-mounted outdoor fan diminishes operating noise and is easy to care for
  • Coil guard-protected condenser coil is protected to help sustain the efficiency of the unit
  • Control panel is easily accessible for faster servicing
  • Durable all-metal cabinet endures the most severe conditions
  • Variable-speed blower for specific temperature control
  • IAQ-ready design so the 15CHPX can beeasily equipped with an internally mounted PureAir air purification system to help improve comfort and cut down concentrations of pollutants
  • Lennox® System Operations Monitor constantly monitors system performance for added peace of mind and faster servicing
  • Compatible with chlorine-free R-410A refrigerant systems, which provide exceptional comfort without exacting a costly environmental toll
  • 10-Year Limited Warranty on compressor
  • 10-Year Limited Warranty on covered components
15CHPX Package Cooling System
Efficiency Rating (SEER): up to 15
HSPF Rating: 8Energy Star badge
Price Guide: $$$

Call us today at 601-292-9763 or set up an appointment with us online to see how Oak Grove Heating & Air Conditioning in Hattiesburg can help service your packaged system or find a new one that will work for you.


* SEER, or Seasonal Energy Efficiency Ratio, measures the cooling efficiency of your air conditioner or heat pump. A higher SEER rating means greater energy efficiency and more savings for you and the environment.

** HSPF, or Heating Seasonal Performance Factor, measures the heating efficiency of your heat pump. A higher HSPF rating means greater energy efficiency, more savings and is better for the environment.

*** Annual Fuel Utilization Efficiency (AFUE) measures how efficient the appliance is in converting its fuel’s energy into heat over the course of a year.