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Portable Commercial Air Conditioner

Since the invention of air conditioning in 1922, the public has grown accustomed to having instant cooling or heating at the push of a button. However, there are times that for various reasons life isn’t so simple. In some instances, the need for AC may be in a remote place such as an outdoor tent […]

BTUs in Air Conditioning

When it comes to air conditioning, calculating BTUs is an essential part of determining the size of the unit. A BTU or British Thermal Unit is the measure of heat energy that comes from a thermal unit and an Imperial Gallon is 10 pounds in weight. Therefore, a BTU is 1/10 of an Imperial Gallon […]

BACnet Building Automation and Control Network

BACnet (Building Automation and Control Network), is the communications protocol that defines communication services used between building control systems and building automation end-devices. The protocol displays how data is represented and moved between BACnet nodes on the network and the services used to move it. For example, by sharing sensors and data, BACnet gives our […]

Recovering Energy from Class 2 Exhaust Air

The Problem Providing a healthy environment must be the top priority for any air conditioning design. This can be difficult though, especially in spaces that generate less-than-ideal breathing conditions. Nail salons, health clubs, and bathrooms are just a few examples of spaces where processes or people taint the air with undesirable chemicals or odors. In […]

Retrofitting Commercial HVAC Units

Retrofitting Major Commercial HVAC Brands Millions of HVAC systems are reaching replacement age. The life cycle for most will pass several times over the life of commercial, industrial and institutional structures. Estimates show that there are over 5 million buildings available for retrofit HVAC upgrades. While 70% of commercial buildings built prior to 1980 have […]

All about packaged units in air conditioning

UCA Refrigeration Cycle

Since the invention of the air conditioner in 1902, engineers have developed various ways of handling the HVAC process. The evaporator and condenser sections are the two major components of Heating, Ventilation and Air Conditioning (HVAC). This is the case as it applies to Direct Expansion (DX) type systems. At the same time, the indoor […]

The Thermal Expansion Valve (TXV) Explained

Thermal Expansion Valve

What you need to know about refrigerant flow The Thermal Expansion Valve (TXV) is an important piece of equipment in the HVAC industry. The valve is used to control the amount of refrigerant released to the evaporator section. In this way it controls the difference between superheat and the current refrigerant temperature at the evaporator […]

Commercial vs Residential HVAC Units

Commercial Residential

Learn the similarities and differences between commercial and residential units Commercial and Residential HVAC units share many similarities but contain many differences as well. While some HVAC manufacturing companies produce units for both markets, others specialize in one or the other. The biggest differences have to do with size, and also whether the unit is […]

Sick Building Syndrome and what to do about it

Business Building

Sick or tight building syndrome is a term that describes from the ill effects building occupants suffer due to poor indoor air quality. Although not attributed to any specific disease (SBS), leads to a loss of employee productivity. An extensive list of symptoms related to (SBS) include:  

Hotel HVAC Solutions

Many hotels and other high-rise buildings can develop indoor humidity issues causing high moisture levels. As a result, these problems can lead to damage to the building or discomfort to their guests without having the proper DOAS system into place. It is critical for business designers to implement cost-effective strategies to ensure their buildings are […]