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

Going “green” has never been simpler. The technology you’ll find in our energy efficient HVAC products will help you create a more comfortable and eco-friendly home. Between high efficiency air conditioners and energy saving whole-home systems, the products offered at Oak Grove Heating & Air Conditioning in Hattiesburg offer outstanding efficiency. Our products will help you contribute to a cleaner environment and could even decrease your monthly utility bills.

Find out how Lennox has included energy efficiency in its products below. Give Oak Grove Heating & Air Conditioning a call at 601-268-3486 or schedule an appointment online to find out more about adding a Lennox system to your home today.


* 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.

  • Lennox Ultimate Comfort System
    Our Ultimate Comfort System is bursting with energy efficient and new technologies that will adjust your heating and cooling temperatures in tiny increments to maintain a consistent temperature and a surprisingly small amount of energy.
  • Lennox Energy Efficient Air Conditioners
    At Oak Grove Heating & Air Conditioning, our Lennox® cooling products use an ozone-friendly, chlorine-free R-410A refrigerant that meets strict guidelines laid out by the U.S. Environmental Protection Agency (EPA). This refrigerant can keep your system cooling effectively, while lowering its environmental impact.
  • Lennox: First Air Conditioner with 26 SEER Rating
    We sell the first air conditioner to earn a 26 SEER* rating which means it’s one of the most efficient cooling systems on the market. Plus, the XC25 can significantly reduce your monthly utility bills without sacrificing the comfort you want.
  • Reduce Utility Bills
    Living in Hattiesburg doesn’t have to bring on expensive utility bills. In fact, many of our HVAC products have earned the ENERGY STAR® label and high SEER* or AFUE** ratings because of their high efficiency levels that can potentially save on your yearly utility expenses.
  • Dual Fuel Systems
    Pairing our gas furnace with an electric heat pump creates a dual fuel system that helps enhance your systems’ operation efficiency. The gas heat is used only when it becomes too cold for the heat pump to run efficiently, possibly saving you money and keeping your home cozy.