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38 Years
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Trusted HVAC Services in Southern Maryland
T N Bowes Heating & Air Conditioning, Inc. has been a family-owned HVAC provider in Southern Maryland since 1988. Our reputation is built on employing certified technicians, installing premium products, and delivering reliable service at competitive prices. With decades of hands-on experience, we specialize in residential and commercial HVAC solutions, including installation, repair, and maintenance of heating, ventilation, and air conditioning systems. Our team prioritizes customer satisfaction through personalized consultations, energy-efficient technology, and 24/7 emergency services. We partner with leading manufacturers like Carrier and Trane to ensure durable, high-performance equipment tailored to client needs.

Our commitment to quality extends to duct sealing, indoor air quality improvements, and new construction HVAC design. Certified by North American Technician Excellence, we combine technical expertise with transparent communication to address both immediate repairs and long-term comfort solutions. Serving communities from Lexington Park to Waldorf, we offer flexible financing options and preventive maintenance plans to meet diverse client requirements. Our technicians stay current with evolving HVAC technologies, ensuring precise diagnostics and efficient service for complex systems. This dedication to excellence has made us a trusted choice for HVAC services in Southern Maryland and parts of Virginia.
Services
HVAC Installation A/C Repair Heating Maintenance Ductless Systems Geothermal Heat Pumps Commercial HVAC Indoor Air Quality Emergency Service Preventative Maintenance Duct Cleaning
Details
  • Year established: 1988
Highlights and features
  • Family-owned HVAC expertise since 1988 with certified technicians
  • 24/7 emergency service for urgent heating and cooling needs
  • Free on-site consultations for customized HVAC solutions
  • Partners with leading manufacturers like Carrier and Trane
  • Energy-efficient technology and preventive maintenance programs
Associations and certifications
  • North American Technician Excellence
What people say
Professional installation Prompt emergency response Knowledgeable technicians Clean workspaces Efficiency improvements
Services
HVAC Installation
We specialize in complete HVAC system installation for residential and commercial properties. Our certified technicians assess building requirements to recommend energy-efficient heating and cooling solutions. Using premium equipment from trusted brands, we ensure proper sizing and configuration for optimal performance and energy savings.
A/C Repair
Our 24/7 emergency A/C repair service addresses cooling system failures promptly. Technicians diagnose issues with compressors, refrigerant levels, and electrical components using advanced tools. We prioritize rapid restoration of comfort while identifying underlying problems to prevent future breakdowns.
Ductless HVAC
Ductless mini-split installation provides zoned temperature control for homes without existing ductwork. Our experts design customized configurations with multiple indoor units connected to outdoor condensers. This energy-efficient solution allows independent temperature management for different rooms or additions.
Commercial Maintenance
Preventive maintenance plans protect commercial HVAC investments through regular system inspections and tune-ups. Our technicians clean components, check refrigerant levels, and identify wear indicators to maintain efficiency and extend equipment lifespan for businesses.
Indoor Air Quality
We improve indoor air quality through advanced purification systems and duct sealing services. Our Aeroseal technology permanently seals leaks, while HEPA filters and UV light systems reduce allergens and contaminants in residential and commercial environments.
Questions
What HVAC services do you offer for residential customers?
We provide complete residential HVAC solutions including installation, repair, and maintenance of heating and cooling systems, ductless mini-splits, geothermal heat pumps, and indoor air quality improvements.
Are emergency HVAC services available after hours?
Yes, our technicians are available 24/7 for urgent heating and cooling repairs to address system failures at any time.
Do you offer financing options for HVAC replacements?
We provide flexible financing programs subject to credit approval for new system installations and major repairs.
What areas do you service?
We serve Southern Maryland including Lexington Park, Waldorf, Leonardtown, and Mechanicsville, as well as parts of Northern Virginia.
How can I schedule HVAC maintenance?
Schedule service through our website or by calling 301-880-0161. We offer preventive maintenance plans with regular system check-ups.
What makes your technicians qualified for HVAC work?
All technicians are certified by North American Technician Excellence and maintain ongoing training with leading equipment manufacturers.
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