Charles A. Klein & Sons, Inc.

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Claim This BusinessAbout Charles A. Klein & Sons, Inc.
Charles A. Klein & Sons, Inc. operates as an air conditioning contractor based in Sykesville, Maryland, serving residential and commercial clients throughout the Mid-Atlantic region. The company holds a 3.7-star rating aggregated from 55 customer reviews, providing prospective clients with a quantitative sense of past client satisfaction. Their service portfolio encompasses heating, venting, air conditioning, and plumbing installations, positioning them as a multi-trade contractor capable of handling comprehensive mechanical systems for both new construction projects and existing properties. The business maintains standard weekday hours from 7:30 AM to 4 PM, closed on weekends, and offers emergency service response for urgent situations requiring immediate attention.
What distinguishes Charles A. Klein & Sons from neighboring contractors is their integrated approach to mechanical services. Rather than specializing exclusively in one trade, their team manages projects from initial architectural coordination through final maintenance completion, ensuring HVAC and plumbing systems operate cohesively. The company emphasizes dedicated professional staff Trained to handle both residential replacements and commercial-scale installations, with experience serving thousands of businesses across Maryland, Washington D.C., Pennsylvania, Virginia, and Delaware. This breadth of regional experience suggests familiarity with varied building codes and climate considerations across the Mid-Atlantic corridor.
Customer feedback illuminates specific service encounters worth noting. Reviewer Sue Jeweler specifically named technician Carlton, describing him as exhibiting friendly, attentive, and professional qualities during a service call, calling him a true asset to both company and consumer. Another reviewer, Michael Rash, documented a straightforward replacement of two residential HVAC systems completed over a summer, noting the technicians demonstrated substantial experience with residential installations and that the process proceeded smoothly with competitive pricing compared to other obtained quotes.
What Customers Say
Among four detailed reviews, three awarding five stars highlight professional technician conduct, smooth installation processes, and fair pricing, while two one-star reviews cite communication breakdowns and disputes over service scope expectations. Positive reviewers specifically named individual technicians, whereas negative reviews focus on administrative handling rather than technical execution.
Working Hours
| Sunday | Closed |
| Monday | 7:30 AM–4 PM |
| TuesdayToday | 7:30 AM–4 PM |
| Wednesday | 7:30 AM–4 PM |
| Thursday | 7:30 AM–4 PM |
| Friday | 7:30 AM–4 PM |
| Saturday | Closed |
Services
HVAC Installation
Complete heating and cooling system installation for new construction and replacement projects, serving both residential homes and commercial buildings.
HVAC Repair & Maintenance
Diagnostic services, tune-ups, and repair work to restore or maintain optimal performance of existing HVAC systems.
Plumbing Installation
Professional plumbing system installation for residential and commercial properties, including new construction projects.
Emergency Service
Urgent repair response for HVAC or plumbing emergencies, with direct phone contact for immediate assistance.
Commercial HVAC & Plumbing
Large-scale mechanical system design and installation for businesses, tenant finishes, and commercial facilities across multiple states.
Residential Services
Home heating, cooling, and plumbing solutions tailored to single-family residences and homeowner needs.