Mertens Service

Mertens Service Inc., founded in 1969 and located in St. Louis, Missouri, is a family-owned business specializing in the installation and repair of heating and air conditioning systems. Their expertise extends to hot water, steam, oil or gas-fired boilers, cast iron radiation, heat distributors, and commercial refrigeration. Mertens Service prides itself on exceptional customer service and has over four decades of industry experience, ensuring every job is completed efficiently and to the highest standard. They also offer emergency services and financing options for qualified customers.