long8国际手机版 Energy

Join Us For Customer Appreciation Day at Hersheypark!

Enjoy discounted tickets and FREE parking for our Customer Appreciation Days on April 27, 2024 and June 15, 2024.

Heating Fuel Delivery

Propane, Heating Oil, Kerosene, and Diesel

HVAC Equipment Service & Sales

Maintenance, Service, and Replacement

Commercial Fuel Delivery

Heating Oil, Propane, and Motor Fuels

southern maryland hvac companies

Proudly Serving Maryland Since 1926

With almost a century of industry experience and serving generations of clients in Southern Maryland, you can trust us to provide excellent customer service and HVAC solutions executed by highly qualified and trained industry experts. We serve Anne Arundel County, Calvert County, Charles County, Prince George’s County, and St. Mary’s County.

Throughout it all, we’ve maintained a longstanding reputation for integrity and excellence in everything we do. We have emergency dispatchers available 24/7/365, so we are always here when you need us.

Free Equipment and Fuel Estimates

We deliver heating oil and propane across Southern Maryland, Prince George’s and Anne Arundel Counties to both homes and businesses. From oil burning boiler repair to air conditioner replacement, we can assist with all your HVAC repair, maintenance, and installation needs.

Fill out this form to get your free fuel or equipment estimate today!

    What Customers Say About long8国际手机版 Energy

    Steven Marlatt came to my home to give me an estimate. Very professional, polite and highly detailed in his estimating the work I needed. Steve's customer service is in the top 1% of what I have experienced."

    - James S.

    Why Choose long8国际手机版 Energy

    southern maryland hvac companies

    For Your Next Service Call

    All of our technicians go through thousands of hours of training every year to ensure we are experienced with all of the latest technology and equipment. We also offer 24/7 emergency services. If you have an emergency, you can rely on one of our expert technicians to make a quick diagnosis and repair.

    southern maryland hvac companies

    For Your Next Career

    We are a proud company of Griffith Energy Services, Inc. Griffith offers competitive compensation and an excellent comprehensive benefits package that includes medical insurance, dental, RX and vision, company-paid life and disability insurance, and a 401(k) retirement program with company matching.

    So Many Ways To Save!

    We always have additional ways you can save on your fuel and HVAC equipment. Check out some of our current offerings below!

    Fuel Oil

    We offer a BIG discount on fuel oil delivery for new customers!

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    We offer a BIG discount for new propane customers!

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    From manufacturer rebates to tax credits and utility rebates, long8国际手机版 Energy helps you save the most on purchasing new HVAC equipment. Along with our seasonal discounts, we stay on top of rebates from our manufacturers and local utility companies to make sure you get the most savings. We also make sure you get any tax credits available for upgrading your system.

    The Inflation Reduction Act (IRA), that became enrolled law on August 16, 2022, offers enhanced tax incentives and a new state-administered consumer rebate program to encourage homeowners to upgrade their HVAC systems with heat pumps and high-efficiency air conditioners and furnaces. 

    Contact us today to see how you could qualify for the following savings:

    • Up to $2,000 in tax credits for electric heat pumps*
    • Up to $600 in tax credits for furnaces (natural gas, propane, or oil)*
    • Up to $600 in tax credits for air conditioners*


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    *Qualifying units must meet or exceed the highest efficiency CEE tier that is not the advanced tier.

    We offer 0% financing, along with many other great financing options, for new HVAC equipment!

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    Financing subject to credit approval. See long8国际手机版 representative for complete details.

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