Heating & Cooling

Service 800.984.1411

Heating Oil, Propane, Boilers/Furnace, and AC Services in Lancaster, PA.

Sales: 877.827.9317

Available 24/7/365

669 E. Ross Street
Lancaster, PA 17602

BBB Logo 2017 Angie's List Super Service Award

Leffler Energy is your local heating, cooling and energy savings partner that keeps customers in central and eastern PA comfortable all year round. Over the past 100 years we’ve helped our neighbors with their home heating needs for oil and propane. We also can help to manage AC needs as well as equipment installation and repairs, generator and natural gas services, agricultural and industrials needs and much more. All of our products and services are all designed with you in mind. Trust the folks who live and work where you do and remember to keep it local with Leffler Energy.

Home heating oil


Delivery, pricing and payment plans, service plans and more.

Propane services


Delivery, installation, repair, service plans and more.

Boiler/furnace service and repair

Major brand energy-efficient equipment and more.

Natural gas services

Conversions, maintenance, new units, emergency repairs, and more.



Whole house and standby generator installation of repair.

AC services and equipment

System installation, emergency repair and service plans.

Products and services.

Services: Home heating oilPropaneAir Conditioning, Industrial/CommercialHVAC, Energy Audits, Automatic heating oil delivery, Generator Services, Gas Services, Chimney, Repair fireplace inserts, water heater maintenance programs, servicing of wood, coal, and pellet stoves.

Products: Boiler/furnace install/repairOil tank install/removalAC equipment install/repairhot water heaters, Generators, bulk pool water delivery, heat pumps, rooftop units, water softener installation, propane hearth products, space heating, installation of fireplace inserts.

General manager.

General Manager Steve WeidnerSteve Weidner

Steve Weidner is the General Manager of Leffler Energy. Steve is dedicated to providing the best home comfort services, energy saving solutions and customer service to all of our local neighbors in central and eastern Pennsylvania. Prior to Leffler Energy, Steve spent over 17 years with Enterprise Holdings, Incorporated and was last in charge of all business operations for the state of Oklahoma. Afterwards, Steve spent 4 years with the Commonwealth of Pennsylvania as Director at the Department of General Services where he was in charge of running one of the nations largest public fleets and the recipient of the Governor’s “Innovator of the Year” award. Steve brings a broad range of experience across operations, sales and customer service to the Leffler team.

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Counties and Towns Served

Counties Served:  Adams County, PA; Berks County, PA; Chester County, PA; Cumberland County, PA; Dauphin County, PA; Franklin County, PA; Fulton County, PA; Lancaster County, PA; Lebanon County, PA; Montgomery County, PA; Perry County, PA; York County, PA.

Major Towns Served: Mount Joy, PA; Lancaster, PA; Denver, PA; Douglassville, PA; Lemoyne, PA; New Holland, PA; Richland, PA; Shippensburg, PA; Stewartstown, PA; York, PA; Reading, PA; Harrisburg, PA; Pottstown, PA; Chambersburg, PA; Shippensburg, PA; Carlisle, PA; Lebanon, PA; Hanover, PA; Gettysburg, PA; and Hershey, PA.