Energy Recovery Wheels | HVAC Enthalpy & Heat - As the cost of energy rises engineers are looking for ways to improve and increase energy efficiency. Aside from HVAC equipment with higher energy efficiency rates, improving structures for less heat loss and heat gain, and building automation systems giving the equipment precision control for the
better efficiency of the equipment, there are other ways to increase energy efficiency inside buildings. One of the ways to increase energy efficiency inside buildings is to add energy recovery wheelsto the economizer systems. A US Department of Energy study concluded energy recovery wheels can save over 15% of the energy used in commercial HVAC applications.
DDC Outside Air Economizer System - Outside louvers allow the DDC control system to open dampers and introduce fresh air into the building. Building automation system, or the energy management system as it is sometimes called, monitors outside air temperature and humidity and based on a calculation and opens the outside air dampers when this calculation determines a precise set point. (more…)
HVAC Indoor Air Quality Solutions - There are many different types of HVAC air filters. The most common type of HVAC air filters is the fiberglass disposable filter that you buy at most hardware or retail stores. Other types of HVAC air filters include the metal or plastic fiber type filters, which are washable.
These HVAC air filters save you money because they are washable, but some are not as efficient at filtering the air as the disposable kind, so they are not as good for HVAC indoor air quality as other alternatives. (more…)
Proper ventilation is necessary for good indoor air quality
IAQ Ventilation Basics - Indoor air pollution can be reduced and possibly eliminated by taking corrective action using a defined plan. The first step is called an IAQ audit and often requires the services of both an HVAC Test and Balance (TAB) Company and an industrial hygienist.
First of all, it must be determined where the source of pollution is coming from and then steps taken to eliminate it. Vapor barriers and foundation sealant can often be the source of indoor air pollution but other areas need to be studied to ensure they are not allowing pollution into the structure. (more…)
HVAC Tip - HVAC Preventive Maintenance: Just like a vehicle needs preventive maintenance, HVAC systems need a regular maintenance schedule. Having maintenance performed on your air conditioning and heating systems now can help you avoid costly repairs in the future. Air Conditioning and heating preventive maintenance also pays for itself by making the unit more efficient, safe, and reliable. Often, a technician can spot a ten dollar part that needs replacing now where if it is let go and not replaced, can cost you hundreds of dollars more in the future. The old phrase is true, "pay me a little now, or a lot later." I see it every day. Basic maintenance on condensers and air handling units will save you money in the long run. If your local heating and cooling company offers maintenance agreements look into getting one for your home or business. Typically, companies offering maintenance agreements waive overtime charges for after hours or emergency calls and offer you reduced prices on parts. That is in addition to performing preventive maintenance twice annually.
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DDC Outside Air Economizer System - Outside louvers allow the DDC control system to open dampers and introduce fresh air into the building. 
