Business Details
50+ Years
experience
Expert Plumbing, Heating & Cooling Services in Baltimore
Since 1929, Frank J. Klein & Sons has been a trusted family-owned provider of plumbing, heating, air conditioning, and geothermal services in Baltimore, Maryland, and surrounding areas. Our licensed technicians combine decades of experience with a commitment to exceptional customer service, offering solutions for residential and commercial clients. We specialize in installations, repairs, and maintenance for water heaters, boilers, HVAC systems, and geothermal technology. Our team provides free estimates for equipment replacements and plumbing remodeling projects while emphasizing energy efficiency and indoor air quality through duct cleaning, humidifiers, and air purification systems.With over 80 years of local expertise, we maintain a customer-centric approach, ensuring satisfaction through transparent communication and reliable service. Our partnerships with leading manufacturers and dedication to planned maintenance agreements reflect our focus on long-term client relationships and system longevity.
Services
Plumbing Repairs
Heating Systems
Air Conditioning
Geothermal Installations
Duct Cleaning
Water Heater Services
Sewer Line Repair
Planned Maintenance
Gas Line Installation
Saniflo Systems
Details
- Year established: 1929
Highlights and features
- We offer 80+ years of local plumbing and HVAC expertise
- Our family-owned business prioritizes personalized customer service
- All technicians are fully licensed and manufacturer-certified
- We specialize in geothermal heating and cooling systems
- Free estimates available for equipment replacements and remodeling
Services
Plumbing Services
We provide comprehensive plumbing solutions including leaky faucet repairs, toilet troubleshooting, water line maintenance, and sewer system replacements. Our licensed technicians handle residential and commercial projects ranging from minor fixes to complete system overhauls. We specialize in gas line installations, Saniflo grey water systems, and emergency plumbing services for urgent situations.
Heating Systems
Our heating services cover boiler installations, furnace maintenance, and geothermal system repairs. We offer complete replacements with customized ductwork fabrication and specialize in energy-efficient solutions. Our team services all major brands while providing planned maintenance agreements to extend equipment lifespan and ensure optimal winter performance for homes and businesses.
Air Conditioning
We install and service high-efficiency air conditioning systems with customized ductwork solutions. Our technicians repair compressors, thermostats, and cooling components while offering attic fan installations and energy recovery ventilators. Planned maintenance agreements help maintain peak summer performance and system longevity for residential and commercial properties.
Geothermal Heating
We specialize in geothermal heat pump installations with horizontal, vertical, and pond loop configurations. Our systems utilize earth's constant temperature for energy-efficient heating and cooling. Services include system design, loop field installation, and integration with radiant heating systems to reduce energy costs while maintaining environmental sustainability.
Service Agreements
Our planned maintenance agreements cover HVAC system inspections, filter replacements, and performance optimizations. These programs help prevent breakdowns, improve energy efficiency, and extend equipment lifespan. Commercial and residential clients benefit from priority scheduling and comprehensive coverage for heating, cooling, and plumbing systems.
Questions
What services does Frank J. Klein & Sons offer?
We provide plumbing, heating, air conditioning, and geothermal system services including installations, repairs, and maintenance agreements for residential and commercial clients.
Do you offer emergency service?
Yes, we provide 24/7 emergency service for urgent plumbing and HVAC issues with our on-call technicians available year-round.
What areas do you serve?
We serve Baltimore City, Baltimore County, Anne Arundel County, Howard County, and Carroll County in Maryland.
Are your technicians licensed and insured?
Yes, all our technicians are fully licensed, manufacturer-certified, and we maintain comprehensive insurance coverage for all service work.
Do you offer free estimates?
Yes, we provide free estimates for all heating, cooling, and plumbing system replacements and remodeling projects.
What payment methods do you accept?
We accept major credit cards, checks, and cash payments for completed service work and installations.
