Calvert Plumbing And Heating Company, Inc.

What Calvert Plumbing And Heating Company, Inc. does

Calvert Plumbing And Heating Company, Inc., doing business as Calvert Mechanical Solutions, is a privately held commercial mechanical contractor headquartered in Towson, Maryland (Baltimore County), founded in 1986 and operated by the Smyth family. The company provides integrated design, installation, service, and repair across four core trades for commercial facilities: HVAC (including Variable Refrigerant Flow and Energy Recovery Units), plumbing, electrical, and building automation systems (BAS/EMS/ATC). It serves commercial property managers, building owners, facility operators, architects, and general contractors across central Maryland, with stated vertical coverage spanning auto dealerships, banks, big-box retailers, healthcare and eldercare facilities, manufacturing, schools, hotels, restaurants, and warehouses.

The firm's technical backbone combines licensed in-house trade expertise (Master Plumber/Gasfitter, Master HVACR, Master Electrician, First Class Stationary Engineer across State of Maryland, Baltimore County, and WSSC jurisdictions) with authorized installer status for three major building automation platforms: Tridium Niagara, Honeywell WEBs/Optimizer, and Johnson Controls Facility Explorer. It holds specialty credentials including IAPMO backflow certifications, LEED Accredited Professional status, OSHA Confined Space certification, and Thermal Imaging certification. Field capabilities include video inspection systems, infrared thermography, power quality analyzers, high-pressure drain cleaning, gas leak detection, and emergency backup generator deployment, supported by an in-house mechanical engineer.

The business model is service-based and project-based, with quote-driven pricing across three revenue streams: (1) one-time commercial construction projects (design-build, plan-and-spec, new builds from tenant improvements to full campus construction), (2) recurring planned maintenance contracts tailored per facility, and (3) 24/7 emergency service dispatch across all four trades. Financing is offered through third-party partners iCalC Payment and Ascentium Capital. Go-to-market is direct field sales, primarily through website estimate requests, phone contact, and emergency dispatch, supplemented by content marketing via a company blog and industry-association networking (ABC, ASHRAE, IFMA, NAIOP, RSES, MPHCC). The firm has no disclosed funding history, no parent company, and no public-market listing.

Name

Calvert Plumbing And Heating Company, Inc.

Legal name

Calvert Plumbing, Heating and Air Conditioning Service and Construction

Website

https://calvertinc.com

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

1–10 employees

Short description

Calvert Mechanical Solutions is a family-owned commercial mechanical contractor in central Maryland, founded 1986, providing integrated HVAC, plumbing, electrical, and building automation design, installation, service, and 24/7 emergency repair to commercial property owners, facility managers, and general contractors across the Baltimore region.

Ownership category

akta.pro rank

Product category

Commercial Mechanical Contracting

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220)

SIC

Electrical Industrial Apparatus (3620), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Industrial/Process Piping & Mechanical Contracting (IMAFALAG)

akta.pro secondary industry

Commercial HVAC Maintenance Agreements & PM Programs (HSAOAHAJ)

Keywords

• Commercial mechanical contracting
• Commercial HVAC services
• Commercial plumbing services
• Building automation systems
• Commercial electrical services

Headquarters

HQ city

Towson

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure, Others

Revenue model

1. Commercial Construction Services: Design, installation, and integration of plumbing, HVAC, electrical systems, and building automation for new commercial construction projects. Services include complete interior plumbing, chilled water systems, cooling towers, ductwork, gas piping, hydronic heating, process piping, variable refrigerant flow systems (VRF/VRV), and specialty piping for compressed air, medical, and acid-resistant applications.
2. HVAC Service and Maintenance: 24-hour emergency commercial HVAC repair and maintenance services, including planned maintenance agreements tailored to client requirements. Services include repair of VRF systems, Energy Recovery Units, and commercial boiler systems.
3. Plumbing Service and Maintenance: Commercial plumbing repair, replacement, and maintenance services including drain cleaning, pump repairs, boiler issues, and fixture repairs. Available 24/7 for emergency response.
4. Electrical Service and Repair: Commercial electrical system repair, troubleshooting, and diagnosis services by Master Electricians. Includes exterior electrical repairs, parking and area lighting repairs, panel and branch circuit work, breaker and feeder issues, and power quality analysis.
5. Building Automation Systems Service: New installation, retrofits, system integration, maintenance and repair for building automation systems and automated temperature controls. Includes ongoing service and support for installed systems.
6. Planned Maintenance Contracts: Custom service contracts tailored to meet unique facility requirements for ongoing maintenance of plumbing, HVAC, electrical, and building automation systems. Provides preventative maintenance to extend equipment lifespan and ensure peak efficiency.
7. Consulting and Budgeting Services: Pre-construction consulting, budgeting, plan-and-spec pricing, engineer-stamped drawings for permits, and value-engineered alternative pricing for commercial construction projects.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Calvert Mechanical Solutions is a single-source commercial mechanical contractor that designs, installs, services, and repairs plumbing, HVAC, electrical, and building automation systems for new construction, planned maintenance, and 24-hour emergency response in central Maryland. The company delivers integrated mechanical solutions through Master and Journeyman technicians, an in-house mechanical engineer, and authorized installer status with Tridium Niagara, Honeywell, and Johnson Controls building automation platforms.

Product overview

Calvert Mechanical Solutions operates as a single-source integrated commercial mechanical contractor offering a unified portfolio of services. The core offerings include Commercial Construction (design-build and project management), HVAC Services, Electrical Services, Plumbing Services, Building Automation Systems, and Service Contracts. These services are integrated to provide comprehensive building systems solutions—plumbing, HVAC, electrical, and building automation are offered both individually and as an integrated package, with the company serving as a single point of contact for all mechanical needs. The Building Automation Systems service leverages the Tridium Niagara platform and integrates Honeywell WEBs/Optimizer and Johnson Controls Facility Explorer systems. Service Contracts function as an add-on module providing ongoing preventative maintenance for all core service areas.

Differentiator

Problem solved

Functional benefit

Products and services

• Commercial Construction Full-service commercial mechanical construction including design-build, plan-and-spec pricing, and project management for plumbing, HVAC, electrical, and building automation systems in new construction from tenant improvements to full campus builds.
• HVAC Services 24-hour emergency commercial HVAC repair, maintenance, and planned maintenance services for heating, ventilation, and air conditioning systems including Variable Refrigerant Flow (VRF) systems and Energy Recovery Units.
• Plumbing Services Commercial plumbing repairs, replacements, drain cleaning, pump and boiler services with quick response for facilities, available day, night, or weekend for emergency service.
• Electrical Services Commercial electrical system repair, troubleshooting, diagnosis, exterior electrical repairs, parking and area lighting, power quality analysis using Power Analyzer, and energy efficiency consultations.
• Building Automation Systems Building automation systems (BAS), energy management systems (EMS), and automated temperature control (ATC) installation, retrofits, system integration, maintenance, and repair turning facilities into intelligent buildings.
• Service Contracts Planned maintenance agreements and custom service contracts tailored to meet unique facility requirements for plumbing, HVAC, electrical, and building automation systems.

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature9 records

Partnerships

Seven partnerships are on record, tiered core and supporting.

• TridiumcoreTechnology or IntegrationCalvert Mechanical Solutions leverages the Tridium Niagara platform to embrace full control, energy savings, environmental management, and occupant comfort and security for building automation systems. As an authorized system installer, they provide new installation, retrofits, system integration, maintenance and repair services.
• HoneywellcoreTechnology or IntegrationCalvert is an authorized system installer of Honeywell WEBs/Optimizer building automation systems, providing authorized installation, service, and support for commercial building automation applications.
• Johnson ControlscoreTechnology or IntegrationCalvert is an authorized system installer of Johnson Controls Facility Explorer systems for building automation integration, providing authorized installation and service for commercial facilities.
• Associated Builders and Contractors (ABC)coreStrategic or Co-development PartnerABC membership with apprenticeship training program. Calvert provides merit-based reimbursement for ABC-sponsored apprenticeship training in plumbing, HVAC, sheetmetal, and electrical. Also seeks ABC-trained apprentices and helpers.
• American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)supportingOthersASHRAE membership supporting HVAC industry standards and professional development. Calvert staff includes LEED-certified professionals.
• International Association of Plumbing and Mechanical Officials (IAPMO)coreOthersCalvert team members hold IAPMO certifications including Backflow Program Administrator, Backflow Prevention Assembly Tester, Backflow Prevention Assembly Repairer, Cross-Connection Control Surveyor, and Fire-Sprinkler Tester certifications.
• U.S. Green Building Council (USGBC)supportingOthersCalvert staff members include LEED Accredited Professionals (AP) who provide LEED-certified installations and expertise for sustainable building projects.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Others

• Trane Technologies: Major HVAC equipment OEM whose commercial building automation platforms compete in the same ecosystem where Calvert delivers integration services. Relevant as adjacent equipment and controls supplier rather than direct service competitor.

Broad incumbents

• Comfort Systems USA: Large national mechanical contractor offering HVAC, plumbing, and controls across commercial and industrial markets. Useful broad-incumbent comp for Calvert's service mix, though operating at vastly greater scale.
• Limbach Holdings: Public national mechanical contractor focused on HVAC, plumbing, and building automation with strong east-coast presence. Provides a much larger-scale reference point for Calvert's integrated commercial mechanical model.
• EMCOR Group: One of the largest U.S. mechanical and electrical construction/services firms. Provides broad-incumbent context for Calvert's integrated mechanical contracting model at the largest scale in the industry.

Direct peers

• Shapiro & Duncan: Mid-Atlantic commercial mechanical contractor offering HVAC, plumbing, electrical, and building automation design-build and service. Comparable in single-source integrated model and regional scope to Calvert, though larger in scale.
• John C. Flood of DC: Mid-Atlantic commercial HVAC, plumbing, and electrical contractor serving the greater Washington/Baltimore region. Provides integrated mechanical services comparable to Calvert's single-source value proposition.
• James A. Wheat & Sons: Regional commercial HVAC, plumbing, and mechanical services contractor in the mid-Atlantic. Competes directly for the same property manager and facility owner customers as Calvert in the Baltimore/DC corridor.

Regional players

• Baltimore Aircoil Company: Maryland-based industrial equipment manufacturer focused on heat transfer and evaporative cooling. Not a direct competitor but a relevant regional industrial peer within the Maryland mechanical/HVAC ecosystem.

Market position

Strengths3 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/calvert-plumbing-and-heating-company-inc-

Compliance16 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Calvert Plumbing And Heating Company, Inc.