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

Unrelenting weather is no challenge for a Dave Lennox Signature Collection packaged system from Air-Dynamics Inc in San Angelo. Constructed from heavy-gauge, pre-painted steel and tested in the most extreme conditions, they’re durable enough to carry the Lennox name. Plus, they perform efficiently—we’re talking ENERGY STAR®-qualified efficiency—even on the hottest and coldest days.

With quiet, two-stage heating and variable speed air-handling technology, our packaged units are undeniably among the top-of-the-industry offerings. And, our Lennox pros can effortlessly equip 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 comfy, but will have cleaner air.

Find out more about the 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. Your utility costs could be significantly lower thanks to energy efficiency ratings of 15.00 SEER* and 78% AFUE***.

  • Energy ratings of 15.00 SEER* and 78% AFUE*** may greatly reduce 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 lessens operating sound and is easy to service
  • Coil guard-protected condenser coil is protected to help maintain the efficiency of the system
  • Control panel is easily accessible for simpler servicing
  • Durable all-metal cabinet stands up to the most severe conditions
  • Variable-speed blower offers to-the-degree temperature control
  • IAQ-ready design so the 15GCSX can be easily equipped with an internally mounted PureAir air purification system to help increase comfort and lower 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

The secret to this packaged AC unit’s efficiency is its energy-efficient scroll compressor. It earned 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 service
  • 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 stands up to the most severe conditions
  • Variable-speed blower offers exact temperature control
  • Compatible with chlorine-free R-410A refrigerant systems, which provide exceptional comfort without exacting a steep environmental toll
  • IAQ-ready design so the 15CHAX can be easily equipped with an internally mounted PureAir air purification system to help improve 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 far better than that of traditional 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** can asignificantly 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 decreases 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 weathers the most relenteless conditions
  • Variable-speed blower for specific temperature control
  • IAQ-ready design so the 15CHPX can beeffortlessly equipped with an internally mounted PureAir air purification system to help increase comfort and reduce concentrations of pollutants
  • Lennox® System Operations Monitor continuously monitors system performance for added peace of mind and faster servicing
  • Compatible with chlorine-free R-410A refrigerant systems, which allow for 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 325-655-2515 or make an appointment with us online to see how Air-Dynamics Inc in San Angelo can help service your packaged system or find a new one that will meet your needs.


* 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.