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Hot-Gas Reheat, Hot-Gas Bypass, Low Ambient, Modulating Compressors- The rundown


Over the years I have noticed that there is some confusion as to what each are, what they do and when you need them. This article is written to clear things up. To start, the vapor/compression cycle of typical air conditioning is this: Heat transfers from the space to the evaporator coil and refrigerant in [...]

Hot-Gas Reheat, Hot-Gas Bypass, Low Ambient, Modulating Compressors- The rundown2019-12-10T03:27:57+00:00

Good, Better, Best of Dehumidification


The Good, Better, Best of Dehumidification It is understood that at any point air will have a specific quality in terms of temperature and humidity. If you look at a psychometric chart, the dry bulb, web bulb and its associated dew point, relative humidity and vapor pressures can be determined. (Feel free to read psychometrics for [...]

Good, Better, Best of Dehumidification2019-12-10T03:27:57+00:00

Warehouse, Manufacturing and Distribution HVAC Design


Things to Consider While a large open “simple” box may seem simple, there are items to consider to meet the intent and installed budget for this kind of building. Unlike a typical residential or commercial space with 8-12 foot ceilings, it is not uncommon for warehouses to stock product up to 40 feet in the [...]

Warehouse, Manufacturing and Distribution HVAC Design2019-12-10T03:27:57+00:00

Psychometrics for the Common Man


Ever wonder why water beads on the side of a cold drink in the summer but not the winter? Ever wonder why its so dry in the winter, even though there is snow on the ground? The reason is “simple” and the science behind it is called psychometrics, and this short paper is to give [...]

Psychometrics for the Common Man2019-12-10T03:30:41+00:00

How To Remedy A “Cheap” Indoor Pool HVAC System


SUMMARY: Pools require 24/7 Temperature & Humidity Control. In many cases the heating and cooling is okay but the dehumidification is a problem. Using a small dehumidifier may be the best option as opposed to replacing the entire HVAC system. Unlike a space where comfort is the goal, an indoor pool is an environmental application, [...]

How To Remedy A “Cheap” Indoor Pool HVAC System2019-12-10T03:27:58+00:00

Humidification 101


Engineered Air Solutions takes pride in our knowledge and product offering for humidity control. While we have dehumidifiers, this article is about adding humidity. Here are the basics: Canister type:  Probes in a plastic tube will arc and boil water at the probe. Pros: Low first cost, easy maintenance, modulating output, compact footprint Cons: Higher [...]

Humidification 1012019-12-10T03:27:58+00:00

Getting To Know Refrigeration


As using refrigeration to cool spaces (or heat in the case of a heat pump), the better one understands some of the components, the better we can apply the right piece of equipment for the right application for trouble free operation.   Heat-Pump: Unlike a heating coil, burner, etc, a heat pump is an air [...]

Getting To Know Refrigeration2019-12-10T03:28:15+00:00

Louver and Damper FAQ


Selecting Louvers and Dampers Many of us have been selecting Louvers and Dampers out of habit without remembering the basics and this little piece is a refresher. The purpose of the Louver is to have an aesthetically pleasing interface to allow air  into (or out of) the building while keeping “non-air out” (ie, birds, bugs, [...]

Louver and Damper FAQ2019-12-10T03:28:15+00:00

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