Welcome to Thomas E. Clark. Our promise to the plumbing, heating and air conditioning / ac customer... We will send only courteous, professional technicians to your home for plumbing, heating and ac / air conditioning repairs. We will give you our professional opinion based on our plumbing, heating and air conditioning knowledge and expertise to provide you with the best possible repair options. We will quote the cost of any repairs for your approval prior to beginning any work. We will work diligently and efficiently with honesty and integrity to provide the most expedient resolution. We will value your time. WE SERVICE THE FOLLOWING CITIES IN THE MARYLAND & WASHINGTON DC AREA: adams morgan adelphi annapolis arnold aspen hill beltsville berwyn heights bethesda bladensburg bowie brentwood brookland cabin john calverton cape st claire cherrydale cheverly chevy chase cleveland park colesville college park columbia heights cottage city crofton davidsonville dupont circle edgewater edmonston foggy bottom friendship heights gaithersburg gambrills garrett park georgetown germantown glen echo glen arden glenmont greenbelt hillandale hollywood hyattsville kemp mill kensington landover Langley Park lanham laurel maryland montgomery village mt. pleasant new carrolton olney paint branch palisades pentagon city potomac potomac yard riva riverdale rockville sandy spring severn severna park silver spring somerset spencerville springbrook takoma park tenleytown university park van ness washington d.c. wheaton white oak woodley park