B. F. Mahn & Sons, Inc.

- 112 W Clement St, De Soto, MO 63020

For over 155 years and spanning six generations, B. F. Mahn & Sons, Inc. has been an unwavering pillar of the De Soto and broader Jefferson County community in Missouri. Established in 1868, this Small business stands as a testament to enduring quality and adaptability, evolving from a traditional blacksmith shop into one of the region's most trusted full-service experts for residential and commercial comfort systems. They are licensed and highly proficient as both a dedicated **Plumber** and a top-tier **HVAC Contractor**, providing seamless solutions for all your property’s critical infrastructure.

The company’s deep roots in the community are unmatched. While other businesses come and go, B. F. Mahn & Sons, Inc. has demonstrated a long-term commitment to serving Missouri users from its original location, building a reputation for impeccable service and a professional, friendly crew. Whether it is an urgent plumbing crisis—such as a burst pipe—or the need for a major Heating system installation, homeowners know they can rely on this local institution. Their comprehensive service model means that when you call for A/C system repair, you also have an expert available to handle any Water Heating Problems or Toilet installation And Repair needs you may have.

Their team understands that plumbing and HVAC issues often occur at the worst possible times. Because of this, B. F. Mahn & Sons, Inc. ensures their professional technicians are equipped to handle a full spectrum of Repair services and Installation service jobs, from replacing an old water heater—a job where their crew went "above and beyond"—to sophisticated work on Geothermal Heat Pumps. Their success is built on a foundation of integrity, competitive pricing, and a genuine commitment to customer satisfaction, making them the first choice for countless families in the area.

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### Location and Accessibility

B. F. Mahn & Sons, Inc. holds a unique historical and accessible location in the heart of De Soto, Missouri. Operating from the same two-story brick building since its inception, the company is centrally positioned to serve Jefferson County and extend its expertise to surrounding areas, including Franklin, St. Louis, and Washington Counties in Missouri, and even parts of Illinois.

The historical and easily accessible address is:

112 W Clement St, De Soto, MO 63020, USA

Accessibility and service options offered:

• **Local Landmark:** The business remains headquartered in its original building, giving customers a sense of trust in its deep community history.
• **Onsite Services:** The vast majority of their work is performed as Onsite services at the customer's residential or commercial location, ensuring expert help comes directly to you.
• **In-Office Comfort:** For consultations or visits to the office, the facility offers Wheelchair accessible seating, demonstrating a commitment to welcoming all members of the community.
• **Broad Service Area:** Despite being a small, family-owned business, their HVAC contractor and Plumber services reach far beyond De Soto, covering multiple counties in the Eastern Missouri region.

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### Services Offered

B. F. Mahn & Sons, Inc. offers a full and integrated range of services across plumbing, heating, and cooling, making them a comprehensive one-stop-shop for property owners. Their technical staff is proficient in handling complex systems and simple fixtures alike.

Key services include:

• **Full Plumbing Solutions:** Covering all internal and Outdoor plumbing system repair needs, including Faucet installation, Bathroom fixture installation, Plumbing pipe repair, and the critical services of Well pumps maintenance.
• **Water Heater Expertise:** Specializing in all Water heater installation and repair, including modern Tankless Hot Water Heaters and conventional Tank Water Heaters.
• **Drain and Sewer Management:** Expert Drain cleaning, Sewer cleaning, and Sewer Line Clearing for blockages, as well as major Sewer line replacement and Sewer Line Repairs.
• **Fixture and Appliance Repair:** Installation and maintenance of common household components like Garbage disposal installation, Toilet repair, Shower installation, and specific issue resolution for Shower leaks.
• **Gas and Safety Installations:** Professional Gas installation service for appliances and systems, including necessary checks and repairs for Backflow Preventers and Pressure Regulators.
• **Complete Heating & Cooling (HVAC):** As a premier Heating contractor and Air conditioning contractor, they offer Installation, A/C system repair, and maintenance for Air Conditioners, High Efficiency Furnaces, Ductless Mini Split Heat Pumps, and Geothermal Heat Pumps.
• **Air Quality and Ducts:** Services to improve indoor environment quality through HVAC duct & vent cleaning, Duct Cleaning, and HVAC duct & vent installation.

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### Features / Highlights

The features and highlights of B. F. Mahn & Sons, Inc. center on their unique history, technical excellence, and dedication to customer experience:

• **Six Generations of Service:** Continuously operating as a family-owned and operated Small business since 1868, establishing them as one of the oldest and most resilient service providers in Missouri.
• **Dual-Trade Certification:** Licensed and expert in both HVAC and plumbing, ensuring that complex problems involving Heating And Air Conditioning System interaction are diagnosed and fixed correctly.
• **Highly Praised Technicians:** Customer feedback consistently highlights the professionalism, knowledge, and friendly demeanor of technicians like Sam and Gabe, noting their willingness to go "above and beyond" on service calls.
• **Office Efficiency:** Their support staff, such as Pat in the office, are noted for being "super helpful and easy to communicate with," ensuring a smooth administrative experience from the initial call to job completion.
• **Competitive Pricing and Quality:** The company is known for delivering first-quality service at a competitive price, providing exceptional value whether for a simple Faucet repair or a full Bathroom Remodeling project.
• **Comprehensive Service Agreements:** Offering Preventative Maintenance programs, such as A/C preventive maintenance and HVAC system maintenance, to protect the customer's investment and prolong the life of their essential systems.
• **Expert Installation:** Highly proficient in complex Installation and replacement jobs, including navigating a "super tight fit" during a Water heater installation to ensure the system is working perfectly.

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### Contact Information

B. F. Mahn & Sons, Inc. remains your reliable, local choice for all heating, cooling, and plumbing needs across Jefferson County and beyond. Contact their De Soto office to schedule an Installation service, Repair services, or routine maintenance.

Address: 112 W Clement St, De Soto, MO 63020, USA

Phone: (636) 586-2300

Connecting with their professional team is the first step toward resolving any Plumbing or Heating & Cooling issues efficiently and effectively.

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### What is Worth Choosing

For Missouri residents in the De Soto area, choosing B. F. Mahn & Sons, Inc. is an investment in unparalleled stability, experience, and comprehensive care for your property. What truly sets this company apart is not just their vast range of services—from Well pumps to Ductless heating & A/C services—but the sheer longevity of their service. Being a six-generation, family-owned Small business that has served the community since 1868 offers a level of trust and history that is simply impossible to replicate.

When you hire B. F. Mahn & Sons, Inc., you are not just getting a Plumber or an Air conditioning contractor; you are gaining a dedicated team where the staff is described as an "absolute asset" who knows "exactly what he was doing." This expertise is critical for high-stakes repairs like Plumbing leak detection or Sewer line replacement. Moreover, their ability to seamlessly handle all types of installations and repairs for both your water systems and climate control systems means fewer contractors to vet, manage, and pay. For the ultimate peace of mind and the assurance of working with a highly professional, friendly, and historically dependable local Missouri business, B. F. Mahn & Sons, Inc. is the clear, standout choice.

B. F. Mahn & Sons, Inc.

112 W Clement St, De Soto, MO 63020, USA