Who We Are

What is a Mechanical Contractor

MCABC Mechanical Contractor members specialize in plumbing, heating, ventilation, air conditioning, sprinkler systems, fire protection, control systems, refrigeration, insulation, specialized process systems, medical gases, hydronics, site services and welding. Installations, service and retrofitting are performed in both the Industrial Commercial & Institutional (ICI) and residential sectors. Mechanical contractors are also responsible for ongoing maintenance of the mechanical systems. A mechanical contractor may also take on the responsibilities of a prime contractor in a construction project.

Air Conditioning

More Details

Air conditioning systems provide cooling or humidity control for residential, commercial, or industrial buildings to maintain constant indoor temperature conditions.
Find Air Conditioning Businesses

Boiler Installation

More Details

The installation of boiler systems which heat fluids including water heating and central heating for cooking and sanitation in commercial, industrial, and residential buildings.
Find Boiler Installation Businesses

Chilled Water Piping

More Details

Systems of pipes and pumps which distribute chilled water throughout buildings.
Find Chilled Water Piping Businesses

Control Systems

More Details

A control system manages, commands, directs, or regulates the behavior of other devices for heating and cooling a building using control loops.
Find Control Systems Businesses

Design-Assist & Design-Build

More Details

Design-Assist involves a construction contract which is awarded to a contractor who provides design assistance to the architect or engineer of record. Design-build is a method to deliver a project where the design and construction services are contracted by a single entity known as the design–builder or design–build contractor.
Find Design-Assist & Design-Build businesses

District Energy Heating & Cooling

More Details

District energy systems use a central thermal grid to provide efficient heating, cooling, and hot water to a group of buildings.
Find District Energy Heating & Cooling businesses

Fire Protection

More Details

Systems including smoke detectors and sprinkler systems that help with fire detection and protecting buildings from fires.
Find Fire Protection businesses

Geothermal Heating

More Details

The use of renewable geothermal energy sourced from below the surface of the Earth for heating applications in buildings.
Find Geothermal Heating businesses

Heating

More Details

Heating systems generate heat and warmth in buildings via conduction, convection, radiation or a combination of the three.
Find Heating businesses

Hydronics

More Details

Commercial and industrial heating and cooling systems which use liquid water, steam, or a water solution as a heat transfer solution.
Find Hydronics businesses

Insulation

More Details

Involves insulating all thermal, acoustical, and personnel safety requirements in mechanical piping and equipment, HVAC, and refrigeration applications.
Find Insulation businesses

Mechanical Install & Refits

More Details

The installation of mechanical systems including heating, ventilation, air conditioning, and plumbing into new buildings, building expansions, or refitting these systems in existing or historical buildings.
Find Mechanical Install & Refits businesses

Medical Gases

More Details

Medical gas supply systems are required in hospitals and other healthcare facilities for the supply of specialized gases and gas mixtures, including oxygen and anaesthetic gas.
Find Medical Gases businesses

Pipe Fabrication

More Details

A critical activity on any construction project where piping networks are required, involving the storage, handling, cutting, welding, inspection, testing, insulation, and installation of pipes.
Find Pipe Fabrication businesses

Pipe Fitting

More Details

The process of installing, assembling, fabricating, fitting, and repairing mechanical piping systems.
Find Pipe Fitting businesses

Plumbing

More Details

A multifaceted trade which involves any system that transports fluids for a wide range of applications in commercial, industrial, and residential buildings. Heating and cooling, waste removal, and water delivery are the most common uses of plumbing.
Find Plumbing businesses

Radiant Heating

More Details

Radiant heating involves the transfer or exchange of heat directly to the floor or to panels in the walls or ceilings of a building. The systems depend largely on radiant heat transfer.
Find Radiant Heating businesses

Refrigeration

More Details

The artificial cooling of a space or system to lower and maintain its temperature below the natural one for commercial, industrial, or residential applications.
Find Refrigeration businesses

Re-Piping

More Details

Re-piping involves replacing damaged, old, defective, or leaking pipes in a building, oil or gas well, or centrifuge.
Find Re-Piping businesses

Service & Maintenance

More Details

The servicing and maintenance of mechanical systems – including plumbing, cooling, and heating systems – in commercial, residential, industrial buildings.
Find Service & Maintenance businesses

Solar Heating

More Details

A renewable energy system which collects energy from sunlight to heat water or air in buildings.
Find Solar Heating businesses

Steam Fitting

More Details

A multifaceted trade, steamfitting involves the assembly, installation, maintenance, and repair of pipes which transport steam, chemicals, or compressed air, liquids, or fuel into buildings.
Find Steam Fitting businesses

Ventilation

More Details

One of the most important factors for maintaining acceptable indoor air quality in buildings, ventilation is the process of moving outside air into any indoor space.
Find Ventilation businesses

Welding

More Details

Welding is most widely used in fabrication. It is the process of joining materials, usually metals or thermoplastics, by the application of extreme heat, which causes the materials to fuse once they cool.
Find Welding businesses

Watts Works Online

Stay ahead of the competition. Contractors and Distributors are learning about Watts products anytime, anywhere! Watts online courses are designed to fit your busy schedule.

Take a Course Today

Where do Mechanical
Contractors Work?

Mechanical Contractors offer their services in the industrial, commercial, institutional, and residential sectors. 

From high-rises to hospitals to homes and everything in between, mechanical contractors are important contributors to construction projects, leading various sub-trades through diverse and complex installations, from the conceptual stage of a building through to when the doors open and beyond.

Explore our Member Directory

Search our member directory to connect with trained and qualified professionals in the mechanical contracting industry, in addition to their suppliers and affiliated trades.

Explore our Member Directory