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Welcome To Deiter Bros

Deiter Bros. has been serving local Lehigh Valley Homes and Businesses for over 80 years. Our goal has always been to exceed your expectations. We have designed this site to provide you with a wealth of information on our many products and services. We are always researching the latest technology in indoor air quality, energy efficient systems, HVAC services, and must have indoor comfort items and offering fast, affordable Oil Delivery and Propane Services.

Energy assistance programs are available to low income homes to help pay for heating bills. View Energy Assistance Programs

Propane Delivery

Propane Delivery

Deiter Bros. offers fast, affordable Propane services anywhere in the Lehigh Valley for residential, commercial, or agricultural customers. If you need propane, now you can rely on the value and reliability that has made Deiter Bros. #1 in energy since 1929.

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Maintenance Specials

Maintenance Specials

Check out the latest specials on our planned maintenance packages for your oil, gas, propane, heat pump, or air conditioning systems. Make sure that your equipment runs efficiently, lasts longer, and provides you with quality service when you need it the most.

Learn More About Our Maintenance Plans

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Trust Deiter Bros. to get your equipment back up and running to peak performance. We service all makes and models. All our work is guaranteed for one (1) year (parts and labor) and longer on certain items, depending on manufacturer's warranty.

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Deiter Bros. BBB Business Review
Plumbing-Heating-Cooling Contractors Association (PHCC) Greater Lehigh Valley Chamber of Commerce Better Business Bureau of Washington DC and Eastern PA Associated Builders and Contractors, Inc. (ABC) Air Conditioning Contractors of America (ACCA) Who's Who in Business Lehigh Valley 2013 PA Contractor #PA736 NJ HIC REG# 13VH04248200
Deiter Bros. provides fuel oil, heating oil, propane, hvac, heating, air conditioning, radiant heat, heat pump, furnace, generators, onsite and fleet fueling, and other indoor comfort services to business and residential customers in the Lehigh Valley area including Allentown PA, Bethlehem PA, and Easton PA.

© 2001-2015 Deiter Bros. Reuse of any of the contents on this website is strictly prohibited without the expressed, written permission of Deiter Bros.