S&L Air Conditioning and Heating

#1 Air Conditioning Maintenance & Tune-Up Service in Hillandale, MD, with More Than 350 5-Star Reviews

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No matter where you are in Hillandale, MD, air conditioning maintenance is necessary to prevent costly repairs and replacements. Rely on the S&L Air Conditioning and Heating team for comprehensive, individualized AC maintenance. 

Our team has the necessary licensure, bonding, and insurance to provide thorough routine maintenance. With over two decades of expertise serving homeowners in Hillandale, MD, and beyond, we are the number one company for your AC tune-up.

Don’t skip routine AC maintenance! Instead, get the detailed maintenance and tune-up service you deserve from S&L Air Conditioning and Heating. Call our team today at 301-450-7988!

AC Maintenance
AC Maintenance

Benefits of Air Conditioning Preventative Maintenance

While air conditioning maintenance might not seem important, it provides excellent benefits that help you save money, stay healthy, and ensure your AC system stays in top condition. These advantages include:

  • Energy efficiency:Maintenance keeps your cooling system operating efficiently. Your unit will use less electricity to cool your home.
  • Lower energy bills:An efficient AC no longer has to run as long to cool your home successfully. This results in lower utility bills.
  • Clean air:HVAC professionals clean your AC’s interior and replace dirty air filters. As a result, the air circulating through the system will be cleaner, providing a fresher, healthier indoor environment.
  • Fewer future repairs:Maintenance catches minor problems before they worsen. Technicians at S&L Air Conditioning and Heating resolve minor issues to prevent future repair needs.
  • Extended AC longevity:Your air conditioner could last up to 15 years or more with maintenance. By keeping the unit in good condition, you’ll significantly boost its lifespan and prevent issues that cause premature failure.

The S&L team understands these benefits well and helps Hillandale customers experience them firsthand. Our extensive training and in-field experience result in thorough inspections and detailed repairs. By hiring us, you can be sure that your AC system is in the most capable hands.

Contact Our Team to Get Reliable AC Maintenance Near Me

At S&L Air Conditioning and Heating, our AC maintenance service has helped keep hundreds of customers cool during Hillandale hot summers. Whether you want to increase your air conditioner’s longevity or reduce your monthly energy costs, our team can perform the necessary maintenance tasks to provide these results.

When you work with us, you receive:

  • Skilled professionals dedicated to your satisfaction
  • Precise diagnoses
  • Quality repairs for extensive problems
  • Upfront pricing and no hidden fees
  • Decades of expertise

We also offer a protection plan that includes twice-yearly maintenance. Consider saving on HVAC tune-ups from our friendly, expert professionals. Contact our team for leading air conditioning maintenance in Hillandale, MD, and the surrounding areas at 301-450-7988!


Throughout our years performing air conditioning maintenance, customers have asked us many questions regarding the service. We shed light on some of the most frequent questions we receive from clients.

At an appointment, our team follows a streamlined AC maintenance checklist. Our licensed technicians speak with you and discuss our process. Then, we :

  • Complete an inspection
  • Change dirty air filters
  • Check for leaks
  • Reconnect loose wiring
  • Test and recharge refrigerant levels
  • Clean inside and around the indoor and outdoor units
  • And more

Yearly air conditioning maintenance is crucial to keep your unit in good condition. Depending on your air conditioner usage and home cooling needs, you may need more frequent tune-ups.

Those searching for “AC maintenance near me” should schedule service twice a year before summer and winter arrive. That way, the unit stays in excellent shape despite brutal temperatures and harsh weather conditions.