Support Center

How Can We Help You?

If you still have questions that have not been answered by our website, please feel free to utilize our online support center to address your needs. We also encourage you to contact us directly with any inquiries, and our friendly customer service representatives will be eager to assist you.

Frequently Asked Questions

I have to add freon to my air conditioning unit every summer, is this normal?


No, whenever freon is added to an air conditioning unit, the unit should be checked for leaks, and the leaks must be repaired prior to adding freon. If the leak is not repaired, the freon will continue to leak and your problems may increase expoentially.




My air conditioning unit has ice on the pipes and it won't cool. What can I do?


If ice builds up on the unit, you need to have a licensed professional to troubleshoot the unit. Individuals can sometimes cause further damage by attempting to self correct the problem. One simple check we would recommend is to check the filter located on the return duct of your unit and look for rips, tears, and excessive build up of dirt and dust.




How often should I change my air filter?


We suggest that you follow the manufacturer's recommendation on changing your air filter. Generally speaking, however, your air filter should be changed every 6 to 12 months for a vacation home or a home with no pets or allergy sufferers. The average family home should have the filters changed every 60 days. If there is a pet in the home, the frequency should be changed to every 45 to 60 days, and if anyone in the home suffers from allergies we recommend that the filter is changed every two weeks for maximum comfort.




How important is it to have my HVAC system serviced annually?


It is critical that your HVAC system is maintained at least once a year. This preventative maintenance check will allow you to uncover minor problems with your system before they escolate, and will also reduce your energy costs. Regular maintenance will also reduce the likelihood of your system malfunctioning during extreme temperatures




How often will your janitorial representatives service my building?


We have a range of janitorial plans to service our client's individual needs. Our service contracts can provide a janitorial technician for as much as 40+ hours per week, and we also have plans which send our techs out during certain intervals. We are sure to have a janitorial contract that will fit your budget and needs.




What are the advantages of purchasing a residential or commercial service plan?


Our Service Plans are a great way to save money and give you peace of mind, knowing that you are unlikely to be caught in incliment weather conditions without your heating or cooling system functioning properly. A few advantages are:

  • 24 Hour Emergency Service Available
  • Regular Maintenance Makes Your System More Efficient
  • Avoid Unexpected Service Expenses
  • Ensure the Comfort of Your Family





Call Us - (202) 787-9225

Email Us - info@embshvac.com

LiveChat With Us

Customer Reviews

 The technician really worked hard and was very informative to me, and when they were finished I had a better understanding of how my a/c unit worked. Thank you Eminence and to your great team.

 - S. LaCapra

Eminence Maintenance & Building Services is the premier source in Maryland, Washington, DC, and Northern Virginia. We specialize in preventative maintenance contracts, system installations, and building maintenance repair services. 

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Eminence Maintenance & 

Building Services, LLC

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Eminence Maintenance &  Building Services, LLC

4562 Beech Road

Upper Marlboro, MD 20774

(240) 563-1068 - Local

(888) 626-2066 - Toll Free

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We gladly accept cash, credit cards, and personal checks.

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