Get matched with top nest installation pros in Adamstown, MD

"From the beginning - Sean was extremely responsive to all of our questions and very flexible with scheduling the service. He installed our new humidifier on the furnace, provided instructions on how to operate it, and offered multiple tips for keeping the system running efficiently. He also offered a very fair price. He was very professional, and we would definitely hire him again!!"

"Yes. The project was completed. New thermostat was purchased and installed. Total work time was 3 hrs."

"⭐⭐⭐⭐⭐ Exceptional and Honest Local Service"I cannot recommend Markool Heating & Cooling enough! They were prompt, incredibly professional, and truly care about getting the job done right without overcharging. As a smaller local business, you get highly personalized care and direct communication with the people actually doing the work. They are my go-to for all HVAC needs.""

"Satisfied with the heat pump installation. Team was upfront and professional. Arrived in a timely manner. They kept me updated and answered my questions. Will use this company again and recommend to others."

"They did very good Job!!!!"

"Repairs were better then expected."

Presidential Heating & Air Conditioning in Gaithersburg was founded in 1982. From the very first day, our mission has guided our company's success honesty, superior customer service, and the highest quality system installation around. Year after year, the Presidential team has continued to meet and surpass those ideals without cutting corners.\n\nAs a direct result of our dedication to quality products, people, service, and installation — Presidential Heating & Air Conditioning has built our foundation on customer loyalty and trust. With a complete satisfaction guarantee, the Presidential team won't rest until the job is done and their customers are completely happy with their work.\n\nWhether you own a commercial or residential building or need installation or service, we are committed to providing each of our clients with our expertise regarding the most environmentally friendly systems around.

With over 15 years of experience in all aspects of home improvement, I provide high quality results at affordable prices. Every project is personal to me and I will treat your home as I would my own.

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have 40 years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details. We look forward to building a lasting relationship and guarantee your satisfaction!\n

My name is Adam Ernst I have been in the industry for 3 years now and have completed many classes and programs to be appropriately trained in this field I also have my EPA card. I have been doing plumbing as well. I have a wide variety of experience in all fields of HVAC and plumbing.