Warning!! blowers can cause injury if you do not turn the power off! Additionally, blowers that are belt-driven can be harmful to loose clothing and fingers. Be very cautious when working around moving parts such as blowers.
Air Handler Blower Motor - All air handling units have a blower located inside the air handler cabinet. The air handler blower motor has a motor that drives it. Some air handling unit blowers are direct drive and some are belt driven.
Many light commercial and residential blowers are direct drive blower motors by the motor’s shaft while many commercial air handling units are belt driven by the blower motor and some sheaves attached to the blower motor shaft and the shaft attached to the blower wheel.
Some sheaves are adjustable and some are not. If the belt is slipping always change the belt first before adjusting the sheave. Adjusting the sheave can cause the unit to produce more or less than designed airflow. Sheaves are typically set by Testing and Balancing HVAC Technicians. (more…)
York Variable Frequency Drives VFDs | HVAC Control - Variable Frequency Drives or VFDs have added a whole new dimension to energy efficiency and control. These drives, or VFDs, are hooked up to two different York VAV air handlers that have two three-phase motors a piece. (more…)
Quality HVAC Installation is Important for Energy Efficiency
Is it true that Quality HVAC Equipment Installation Equals Energy Savings when upgrading older equipment?
The average homeowner will buy from the lowest bidder and fully trust the HVAC contractor 100% to finish the work. Some homeowners will do their homework while many will not. While most of the HVAC contractors will do the right thing and give the homeowner what they pay for, there are absolutely some unscrupulous contractors that will take advantage of the homeowner all without the homeowner’s knowledge. There are some home improvement contractors who know absolutely nothing about HVAC do HVAC work and they failed miserably.
Regardless there is a responsibility upon all parties involved to do the right thing. The homeowner should research all the best opportunities. They need to seek out the best contractor and the best HVAC equipment for the money being spent. The HVAC contractor has a responsibility to correctly install the equipment for a competitive price for the customer. The contractor should also offer some sort of guarantee on their work. This guarantee should be for a specified period of time to prove they stand behind their work. (more…)
HVAC Tip - Having the proper humidity levels in your home or business is important not only for your health but also the amount of energy your HVAC systems use to keep you comfortable. If the humidity level is high in the summer you will not feel comfortable. If the humidity level is low in the winter you will not feel warm when the thermostat is set for an average temperature. This will result in turning the thermostat up to compensate and you will use more energy to stay comfortable. A properly designed and installed HVAC system will keep the proper levels of humidity in your home or business and save you money in energy costs by reducing the amount you use the HVAC system. For more information on humidity and maintaining the proper levels of humidity in your home please visit our humidity technical pages.
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Air Handler Blower Motor - All air handling units have a blower located inside the air handler cabinet. The air handler blower motor has a motor that drives it. Some air handling unit blowers are direct drive and some are belt driven.
York Variable Frequency Drives VFDs | HVAC Control - Variable Frequency Drives or VFDs have added a whole new dimension to energy efficiency and control. These drives, or VFDs, are hooked up to two different York VAV air handlers that have two three-phase motors a piece. 
