About Us

All American A/C & Heating Inc. has been serving Montgomery County, Frederick County and D.C. Metro Area for over twenty years. We are a company that prides ourselves on hiring only the most qualified employees. We are focused on providing our customers with what they want. Friendly, honest professionals, who are on time, reliable and focused on getting the job done right the first time.

Our company has the highest quality standards available. Our company has a 100% customer satisfaction rating and will stake our reputation on your happiness in a job well done. We are a small company with highly skilled employees. The two owners Mark Leonard and Scott Wilson oversee and manage every job from start to finish. As owners they make sure that quality always comes first.

We feel paying attention to details of every project are very important.  We do not subcontract any work and all jobs are supervised by a master HVAC technician.

Our Mission

Our company mission is to provide you, our customer with the best service for all of your comfort needs. All American A/C & Heating will always provide customer satisfaction, using only the best products and highly skilled technicians to satisfy all comfort needs. Our company revovlves around integrity, honesty and dependability for the customer.

Our Products

All American installs Bryant heating and cooling equipment. We are also partnered with Aprilaire, a leader in Indoor Air Quality, in order to provide you with the best air cleaners and humidifiers.

Why choose us?

  • Customer Guarantee
  • We service all makes and models
  • Quality Workmanship and Respect
  • We use the best equipment for your comfort
  • Prompt, dependable, honest, well trained Personnel
  • Great Prices for Top Quality Equipment and Service
Call today to receive your FREE Estimate!
Hi Neighbors, Just wanted to share with you our money-saving experience this week. Our furnace ( 9 years old) was not working so I called the company that installed it to come out and take a look.  After paying them $110 “ diagnostic fee,” they left me a long estimate of parts and labor to the tune of almost $ 2000.  At the urging of my brother, I called All American A/C & Heating for a second …
Patti PatesGaithersburg, MD
My A/C system was not working and I feared the worst. My system is ten years old and I did not have the money to replace the unit. A technician  from All American A/C & Heating was able to repair the unit for less than $ 150. He was nice enough to explain how the system works and stressed the importance of replacing my air filters every 30 to 60 days.
Beth JenkinsUrbana, MD
We send you a thousand thanks for telling our son, David, about All American A/C and Heating. They are truly experts in dealing with a funny old three story house and finding unobtrusive ways to install a big, efficient air cooling system. Mark Leonard and his team were geniuses in discovering spaces for ducts that we did not know existed. Every feature was put in place with least possible disr…
Bill & Patty MohlerChevy Chase, MD
I want to thank the crew of All American A/C & Heating Inc. for the very professional job they did when changing my heating and cooling system. Your men were very kind and respectful of my house. Upon arriving they  took time to put down drop cloths and wear booties to protect my carpet and floors. The  job was completed in less than 5 hours. My house has never been more comfortable, not to ment…
John MusserClarksburg, MD