Engineering and planning of HVAC, hydric, fire-fighting, and electric installations.

Design-build construction services for HVAC. Also, supplies 'Automatrix' temperature controls. Fabricates custom sheet metal. Licensed mechanical and electrical engineers.

Provides award-winning mechanical and electrical engineering services to clients such as schools, universities, hospitals, airports and federal, state and local government facilities.

Mechanical design, plans, and specifations for HVAC, plumbing, and solar systems for builders, contractors, and architects.

Design, construction management, electrical and mechanical design, energy management, architect and interior design.

Complete engineering service for the built environment. Including building security systems, environmental control systems, energy conservation, public health systems.

Mechanical, electrical, plumbing and fire protection engineers.

Consultants in energy efficiency improvements, measurement and verification, indoor air and environment problem resolution and building system operational solutions.

Specializing in hazardous materials and processes and their applications to building codes.

Building services and HVAC consultants with offices throughout Asia.

Engineering firm dedicated to innovative problem-solving in the built environment. The focus of our work is the energy-using systems (HVAC, plumbing, electrical) of buildings.

Provides professional fire sprinkler design, stocklisting, survey, and consulting. Highly experienced engineers.

Professional fire protection engineering firm offering code consultation, systems design, litigation support.

Provides sustainable building, HVAC, electrical, plumbing (MEP) designs to architects and building owners.

Design, installation and consulting services in refrigeration and air conditioning to the food, beverage, and power industries, supermarkets, hotels and commercial facilities.

Specialists in heating, ventilating and air conditioning services for medium to large contracts across the UK.

Simulation services for the construction industry including thermal building analysis and ventilation simulation.

Design and installation of ventilation solutions for corrosive and hostile environments.

Heating, ventilation, air conditioning, design build, project management expertise.

Providing mechanical, electrical, plumbing, and fire protection design for buildings

Provides consulting for HVAC, plumbing, fire protection, electrical, telecommunications, and structural engineering.

Iranian HVAC contractor.

South African-based consultant specializing in HVAC applications

Consulting engineers based in St. Paul, MN. Mechanical and electrical engineering services for buildings.

Specializes in energy consulting, engineering and other related services for the building and energy industries.

A consultant engineer for building services controls and building management systems.

Specializes in HVAC, piping, sheet metal, and machinery installation.

The Air-Conditioning and Refrigeration Institute's on-line directory of certified equipment is a free-of-charge resource to find the ratings of certified products.

Turn-key services for engineering, design, fabrication, installation and service of industrial HVAC, air filtration, process piping, compressed air, and material handling systems.

Building service engineers creating comfortable and effective living and working environments throughout the world

Specializing in ventilating, air conditioning, and HVAC.

Providing electrical and mechanical engineering, lighting, plumbing, HVAC, and fire protection systems design.

Provides on-site training workshops and videos for HVAC/R professionals and a free Internet newsletter for HVAC/R technicians.

Provides heating, ventilation, air conditioning and refrigeration (HVAC) engineering and consulting services.

Mechanical/electrical engineers, based in Toronto, Canada, specializing in HVAC, life safety, and in the design of energy efficient systems.