For Economical, Efficient Heating and Cooling, Look to O'Brien Heating & Air Conditioning in the Main Line

O'Brien Heating & Air Conditioning in the Main Line can help you keep your wallet and your home comfortable with a Lennox® Merit® Series packaged system. These all-in-one heating and cooling systems deliver what you expect from Lennox: efficiency, comfort and reliability. Plus, their energy efficiency ratings of 13.00 SEER*/7.70 HSPF**/80% AFUE*** can help you keep your utility costs under control.

13GEP Packaged Gas/Electric Unit

Relish consistent, comfortable temperatures season after season with the 13GEP packaged unit. This combination system uses gas heating in the colder months and electric cooling in the summer. The 13GEP delivers the following:

  • Efficiency ratings of 13.00 SEER* and 80% AFUE* offer a high level of efficiency and comfort
  • Tubular heat exchanger for dependable heat transfer and exceptional airflow control
  • Internally mounted outdoor fan reduces operating soundand vibration
  • Dependable compressor accurately regulates air temperature and humidity
  • Easy-access control panel
  • Corrosion-resistant, pre-painted steel cabinet is built to endure
  • 20-Year Limited Warranty on heat exchanger
  • 5-Year Limited Warranty on covered parts (this product may be eligible for a valuable 10-Year Limited Extended Warranty coverage)

13GEP Packaged Gas/Electric Unit
Efficiency Rating (SEER): 13
AFUE Rating: 80
Price Guide: $

13HPP Packaged Heat Pump

By taking heat from indoor air and carrying it outdoors, the 13HPP package heat pump ensures your home is cool and comfortable all summer long. When you need to heat your home, the process is opposite. Homes in warmer regions benefit from this packaged unit. As other Lennox systems, the 13HPP comes with several features and benefits.

  • Efficiency ratings of 13.00 SEER* and 7.70 HSPF** offer noteworthy efficiency and comfort
  • Internally mounted outdoor fan reduces operating noiseand vibration
  • Dependable compressor strictly controls air temperature and humidity
  • Easy-access control panel
  • Corrosion-resistant, pre-painted steel cabinet is built to last
  • 5-Year Limited Warranty on covered components (this product may be eligible for a valuable 10-Year Limited Extended Warranty coverage)

13HPP Packaged Heat Pump
Efficiency Rating (SEER): 13
HSPF Rating: 7.7
Price Guide: $

If your packaged unit needs repair or if you think a Merit series packaged system would be a solution for your home, call O'Brien Heating & Air Conditioning in the Main Line at 610-626-2540. Or, schedule your appointment online so we can help 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.