Trusted Heating & Cooling in Jarrettsville, MD

Smart Energy Systems provides dependable heating and cooling services in Jarrettsville, MD, delivering fast repairs, expert installations, and seasonal maintenance. From homes along Jarrettsville Pike to properties near Rocks State Park, our team knows the unique HVAC needs of rural Harford County homes.

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Family-Owned Since 1988

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0% Financing Available

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24/7 Emergency Service

what we do

Complete Comfort Solutions for Jarrettsville Homes and Businesses

We offer a full range of HVAC services tailored to homes and businesses across Jarrettsville, Forest Hill, and nearby communities:

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Heating Services

Reliable furnace and boiler repairs plus expert system installations to keep you warm all winter.

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Cooling Services

Fast AC repair in Jarrettsville, MD and high-efficiency central air installations designed for your home.

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Indoor Air Quality

Whole-home purifiers, humidity control, and duct cleaning to reduce allergens and improve comfort.

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Ductless Mini-Splits

Zoned heating and cooling solutions for additions, sunrooms, and homes without existing ductwork.

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Geothermal Systems

Energy-efficient ground-source systems designed for long-term comfort and savings.

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HVAC Maintenance & Tune-ups

Seasonal inspections and tune-ups to prevent breakdowns and extend equipment life.

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Custom Ductwork

In-house sheet metal fabrication for unique layouts, historic homes, and custom builds across northern Harford County.

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Commercial HVAC

Heating and cooling solutions for local businesses, from small shops to agricultural facilities.

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    35+

    Years of
    experience

    Proud to Serve Jarrettsville

    Your Local Team for Heating and Cooling

    We’ve been part of Harford County’s community fabric for decades, serving Jarrettsville’s homes, farms, and small businesses with honest service and practical solutions. You’ll see our trucks on Baldwin Mill Road, Norrisville Road, and near Ladew Topiary Gardens providing trusted comfort solutions.

    • Clear, Practical Advice

      We explain your options and help you choose the right solution for your home.

    • Community-Minded

      We sponsor local youth programs and support neighborhood events—because we live and work here too.

    • Budget-Friendly Comfort

      Pre-qualify in minutes for simple, no-hassle financing—no hidden fees and no impact on your credit score.

      Pre-Qualify Now

    Real Reviews from Local Homeowners

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    What Our Customers Say

    We have been with Smart Energy for 10 years. Their work and advice has been great. They are on time and professional. The technicians are always courteous and respectful of our home. I highly recommend their service


    Greg W.

    Great service all around! I needed a full swap, both a/c and furnace. They were great right from scheduling! They worked with me on financing which was a blessing. You can tell they care about the quality of their work and went above and beyond in every way!


    Alayna S.

    Like always, Smart Energy Systems was on time and took care of the problem. I have used them a few times over the past several years. They fixed an old system and put in a new heat pump. Always professional, responsive and reasonable.


    Tim L.

    We have been with Smart Energy for 10 years. Their work and advice has been great. They are on time and professional. The technicians are always courteous and respectful of our home. I highly recommend their service


    Greg W.

    Great service all around! I needed a full swap, both a/c and furnace. They were great right from scheduling! They worked with me on financing which was a blessing. You can tell they care about the quality of their work and went above and beyond in every way!


    Alayna S.