Trusted HVAC Services in Timonium, MD

Smart Energy Systems has provided HVAC services in Timonium, MD for over 35 years, delivering expert repairs, efficient installations, and seasonal maintenance. From neighborhoods along York Road to homes near the Maryland State Fairgrounds, our local team knows the heating and cooling challenges unique to Baltimore County.

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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 Timonium Homes and Businesses

We deliver full-service heating, cooling, and indoor air quality solutions across Timonium and surrounding communities like Lutherville, Mays Chapel, and Hunt Valley:

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Heating Services

Fast, dependable furnace and boiler repairs plus expert system replacements built to handle Baltimore County winters.

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Cooling Services

Reliable air conditioning repair in Timonium and high-efficiency central AC installations for homes of all sizes.

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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 older homes without ductwork.

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Geothermal Systems

Energy-efficient, ground-source heating and cooling systems designed for long-term savings.

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HVAC Maintenance & Tune-ups

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

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Custom Ductwork

In-house sheet metal fabrication for unique layouts and older homes across Timonium.

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Commercial HVAC

Heating and cooling services for Timonium businesses, including offices and retail spaces.

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    35+

    Years of
    experience

    Proud to Serve Timonium

    Your Local Team for Heating and Cooling

    We’re not a national chain—we’re a family-owned HVAC company that’s been serving Timonium and nearby neighborhoods since 1988. You’ll see our trucks in Lutherville, Hunt Valley, and Mays Chapel every day, delivering honest service and practical solutions.

    • Clear, Practical Advice

      We take the time to explain your options, whether that means repairing your existing furnace or upgrading to a new energy-efficient system.

    • Community-Minded

      We support local youth programs, sponsor teams, and take pride in keeping Baltimore County families comfortable—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.