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Expert Plumbing & HVAC Services in Silver Spring, MD
Established in 1891, Thomas E Clark Inc has built a legacy of excellence in plumbing, heating, and air conditioning services across Maryland, Virginia, and Washington, D.C. Our family-owned business combines over 120 years of experience with a team of technicians averaging 20+ years of expertise, ensuring precision and reliability in every project. We prioritize quality by using only premium materials and equipment, backed by a commitment to ongoing education and industry certifications. Our customer-centric approach emphasizes transparency, upfront pricing, and comprehensive warranties, including 2 years on installations and 1 year on repairs.

As proud members of the Washington Master Plumbers Association, ABC, ACCA, and NCI, we uphold the highest standards of service. With 24/7 availability and a focus on resolving issues efficiently, we deliver trusted solutions for residential and commercial clients. Our dedication to community and sustainability further solidifies our reputation as a leader in HVAC and plumbing services.
Services
Plumbing Heating Air Conditioning Drain Cleaning Free Lead Pipe Replacement
Highlights and features
  • We offer over 120 years of combined experience in HVAC and plumbing services.
  • Our team includes plumbers with 20+ years of specialized expertise.
  • We provide 24/7 emergency services for urgent plumbing and HVAC needs.
  • Our comprehensive warranties cover 2 years on installations and 1 year on repairs.
  • We use only premium materials to ensure long-term system efficiency.
Associations and certifications
  • Washington Master Plumbers Association
  • Associated Builders and Contractors (ABC)
  • Air Conditioning Contractors of America (ACCA)
  • National Comfort Institute (NCI)
What people say
Excellent service Great service Positive Responsiveness Professionalism Value
Services
Plumbing Services
Our plumbing services cover repairs, installations, and maintenance for residential and commercial properties. We address leaks, pipe replacements, and system overhauls using high-quality materials. Our team ensures efficient solutions to prevent future issues.
Heating Services
We specialize in heating system installations, repairs, and maintenance, including furnaces and boilers. Our energy-efficient solutions keep spaces warm while reducing costs. Customized plans ensure optimal performance for every property.
Air Conditioning
Our AC services include installations, maintenance, and repairs for reliable cooling. We focus on energy efficiency and indoor air quality, offering tailored solutions to maintain comfort during warm months.
Drain Cleaning
We provide thorough drain cleaning to eliminate blockages and prevent future issues. Using advanced technology, we clear drains safely and efficiently, ensuring smooth operation of plumbing systems.
Free Lead Pipe Replacement
Under the LPRAP program, we replace lead pipes to ensure safe drinking water. Our process includes assessment and installation, minimizing disruption while safeguarding health and compliance.
Questions
What services does Thomas E Clark Inc offer?
We provide plumbing, heating, air conditioning, drain cleaning, and free lead pipe replacement services for residential and commercial clients.
Are emergency services available?
Yes, we offer 24/7 emergency services for urgent plumbing and HVAC issues.
Do you serve areas outside Washington, D.C.?
We serve Maryland, Virginia, and surrounding areas for all HVAC and plumbing needs.
What warranties do you provide?
We offer a 2-year warranty on installations and 1-year warranty on repairs.
Is financing available for services?
Yes, we provide financing options to help clients manage the cost of essential services.
How can I schedule an appointment?
Call us at (301) 608-0550 or contact us online to book a consultation for immediate or scheduled service.