HVAC Repair in Rockville, MD

Carnot is a service company with values and principles oriented towards the pursuit of excellence. Our technicians are state-licensed, such as HVAC Master, HVAC Journeyman, NATE Certification, and constantly training. We are trained to find the best solution to your request. Thank you for doing business with us.

Christian based Commercial/Residential hvac service and maintenance

I have been in HVAC for 25 years I will work hard for your air comfort needs. With an honest suggestion to your HVAC needs and repairs. Residential and commercial. My focus is quality. I am bilingual in English and Spanish.

Welcome to Leo and Son HVAC, your trusted partner in providing top-quality HVAC solutions for both residential and commercial needs. With years of experience in the industry, our skilled team specializes in the installation, maintenance, and repair of heating, ventilation, and air conditioning systems. We are dedicated to ensuring that your indoor environment remains comfortable year-round with efficient and reliable service. Whether you're looking to upgrade your system, need routine maintenance, or require emergency repairs, we offer personalized solutions tailored to your specific needs. At Leo and Son HVAC, customer satisfaction is our top priority, and we are committed to delivering exceptional service with a focus on quality and efficiency.