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Mechanical Engineering

Explore practical resources about HVAC, chilled water, central plants, ventilation, building automation, humidity management, and other mechanical building systems.

Mechanical engineering covers the systems that heat, cool, ventilate, and control indoor environments in commercial and institutional buildings. In Florida, humidity management, cooling-dominated loads, and maintainable HVAC design are central to almost every project.

Featured Guide

What Is a Chilled Water System?

A chilled water system uses a chiller to cool water that is pumped to air-handling units and other coils, then returned to the plant to be cooled again.

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Systems covered in Mechanical Engineering

HVAC

Heating, ventilating, and air-conditioning design for occupant comfort and indoor air quality.

Air Conditioning

Cooling system selection, load calculations, and equipment sizing for Florida buildings.

Chilled Water

Chiller plants, pumping, and air-handling equipment for larger facilities.

Central Plants

Central heating and cooling plants, thermal distribution, and plant optimization.

Heating

Heating systems for commercial buildings, including heat pump and hydronic options.

Ventilation

Outdoor air, exhaust, and pressurization for code compliance and indoor air quality.

Indoor Air Quality

Filtration, outdoor air rates, and ventilation strategies for healthy indoor environments.

Humidity Management

Dehumidification, latent load control, and moisture management in humid climates.

Building Automation

Controls sequences, BAS architecture, and system integration.

HVAC Controls

Sensors, controllers, valves, dampers, and equipment control sequences.

Ground Source Heat Pumps

Geothermal and water-source heat pump systems for energy-efficient heating and cooling.

Thermal Storage

Ice and chilled-water storage strategies for peak load reduction.

Popular Questions

Air-Cooled vs. Water-Cooled Chillers

Air-cooled chillers reject heat to outdoor air at the unit; water-cooled chillers reject heat through condenser water and a cooling tower. Each fits different site and plant conditions.

Commercial HVAC Design: A Guide for Building Owners

A practical owner’s guide to commercial HVAC design decisions, from system type and humidity control to controls, maintenance access, and when to hire an engineer.

How Do You Control Humidity in a Commercial Building?

Commercial humidity control depends on dehumidification at the cooling coil, proper outdoor-air treatment, runtime, and controls—not just a lower thermostat setpoint.

How Does a Chilled Water System Work?

Chilled water absorbs heat at building coils, returns to the chiller, rejects that heat at a cooling tower or air-cooled condenser, and is pumped back out as cold supply water.

What Are HVAC Controls?

HVAC controls are the thermostats, sensors, controllers, valves, dampers, and drives that regulate heating, cooling, ventilation, and related mechanical equipment.

What Is a Building Automation System?

A building automation system is the networked hardware and software that senses conditions, runs controllers, and operates HVAC equipment as a coordinated plant.

What Is a Building Management System?

A building management system is a central interface that monitors and controls building systems—most often HVAC—through sensors, controllers, and operator graphics.

What Is Building Automation?

Building automation is the control system that starts, stops, sequences, and monitors HVAC and related equipment so a building operates as designed.

What Is HVAC Engineering?

HVAC engineering is the design of heating, ventilating, and air-conditioning systems that control temperature, humidity, ventilation, and indoor air quality.

When Are Chilled Water Systems Used?

Chilled water systems are typically used in larger commercial, education, institutional, and specialized facilities where centralized cooling capacity and flexible air-side design matter.

Start with these questions

What Is HVAC Engineering?

HVAC engineering is the design of heating, ventilating, and air-conditioning systems that control temperature, humidity, ventilation, and indoor air quality.

What Is a Chilled Water System?

A chilled water system uses a chiller to cool water that is pumped to air-handling units and other coils, then returned to the plant to be cooled again.

How Does a Chilled Water System Work?

Chilled water absorbs heat at building coils, returns to the chiller, rejects that heat at a cooling tower or air-cooled condenser, and is pumped back out as cold supply water.

Air-Cooled vs. Water-Cooled Chillers

Air-cooled chillers reject heat to outdoor air at the unit; water-cooled chillers reject heat through condenser water and a cooling tower. Each fits different site and plant conditions.

When Are Chilled Water Systems Used?

Chilled water systems are typically used in larger commercial, education, institutional, and specialized facilities where centralized cooling capacity and flexible air-side design matter.

How Do You Control Humidity in a Commercial Building?

Commercial humidity control depends on dehumidification at the cooling coil, proper outdoor-air treatment, runtime, and controls—not just a lower thermostat setpoint.

What Is Building Automation?

Building automation is the control system that starts, stops, sequences, and monitors HVAC and related equipment so a building operates as designed.

What Is a Building Automation System?

A building automation system is the networked hardware and software that senses conditions, runs controllers, and operates HVAC equipment as a coordinated plant.

What Are HVAC Controls?

HVAC controls are the thermostats, sensors, controllers, valves, dampers, and drives that regulate heating, cooling, ventilation, and related mechanical equipment.

What Is a Building Management System?

A building management system is a central interface that monitors and controls building systems—most often HVAC—through sensors, controllers, and operator graphics.

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