Experience a “Greener” Home with Our Energy Efficient HVAC Products.

Saving money on your monthly energy expenses is great. Helping the environment makes things even nicer. You can do both with the energy efficient HVAC products we have in the Main Line. At O'Brien Heating & Air Conditioning, our range of eco-friendly products runs the gamut – from refrigerants we use for our cooling equipment to systems combined for the ultimate in whole-home comfort, you could see significantly decreased utility bills. And, as always when you choose a Lennox® product, you’ll experience a comfortable home year round.

Peruse our energy efficient features below. Call us at 610-257-7035 to learn more about adding one of our energy efficient HVAC products to your the Main Line area home.


* 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.

** 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.