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Residential Propane


The 21st Century Energy Group is the PREMIER retailer of Propane Gas in the Western Pennsylvania and Eastern Ohio area. We not only sell and deliver the Propane Gas; we install the Propane tanks and outside plumbing free of charge!*. Propane is becoming the fuel customers turn to when converting from another source or upgrading appliances.

Propane Heating
Cooking / Hot Water
Propane Conversions
20lb Grill, RV, and Portable Cylinders


Propane Heating

Propane Gas has been growing as a dependable, economical, and clean alternative when it comes to heating your home. Propane is currently used by 12.6 million households as a main heating source and growing everyday. With constantly increasing utility costs for natural gas or electric, Propane is an economically stable product that outperforms natural gas and electric when it comes to keeping your family warm. (What Is A BTU?)We supply and deliver Propane and tanks for whatever size or setup of heating you have in your home, whether it's a furnace, space heater, or Propane fireplace.

Cooking & Hot Water With Propane

Not only is Propane used for home heating, Propane is a versatile product that can be used for cooking and heating your hot water. Most gas appliances are setup to accept both propane and natural gas or have conversion kits available. If the cost of natural gas to you're home is too high, or your not pleased with the performance of your electric stove or water heater; consider Propane as a more environmental friendly source of energy.

Propane Upgrades / Conversions

If you are considering converting to another source of heat, hot water, or cooking fuel; consider making the switch to Propane Gas. Depending on your current appliance setup you may be able to make the switch to propane for little cost. Or if you're upgrading an old heating oil or natural gas appliance, take a look at a Propane conversion. Many high efficient alternative fuel appliances such as Propane are eligible for tax credits, this means even more of a savings for you.

When converting or switching to Propane choose us as your supplier and you will receive a $100 account credit toward your Propane Gas*. We will also set and install your Propane tank and supply line at no additional charge!* Get Your Coupon Here!

*$100 account credit and free setup applicable to new credit approved customers who enroll in our automatic fill program only. A annual rental fee may apply to low usage or temporary applications.

20 lb Propane Grill, RV, and Portable Propane Cylinders

At our New Castle, Conneaut Lake, and Erie locations we refill 20 lb Propane grill tanks on site for $14. We also refill and sell 30 lb, 40 lb, and 100 lb cylinders at these locations.

20 lb Propane grill tank exchanges are also available at mostl of our Last Minit Mart Convenience Store locations. (Prices may vary)

Have Questions About Your Propane Options
or a Conversion?
Contact Us Propane Delivery Options


Propane Safety Tip Always safely secure all Propane Tanks & Cylinders during transport. Damage to a Propane Tank or Cylinder during transport can result in property damage and / or personal injury or death. During warm tempatures never store Propane Tanks or Cylinders in a enclosed structure or vehicle. Escaping vapors could ignite.

*$100 account credit and free setup applicable to new credit approved customers who enroll in our automatic fill program only. A annual rental fee may apply to low usage or temporary applications.



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Corporate Office
511 Montgomery Ave
New Castle, PA 16102

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