NCI Article Library

High-Performance HVAC Resources

Heat Pumps Can Handle More Filter Pressure Drop?

It's true: heat pump air handlers can normally afford more filter pressure drop than furnaces with the same fan capacity. As filters continue to increase in efficiency, one parallel fact is that usually the pressure drop over the filter also increases as well....

Member of the Month – Having Passion for the Industry

August 2013 Member Spotlight

Harvesting Summer Leads – Now Is The Time To Reap

That quiet time is just around the corner. Those days when the heat subsides, but it's not cold yet. The panic shifts from "How am I going to get all this work done?" to "We gotta sell something!" This is a great time to get caught up on the air diagnostic leads that...

Hard to Pinpoint CO Problem? Narrow It Down

Have you ever noticed a distinct change in CO readings when the blower comes on? Most technicians believe this indicates a cracked heat exchanger. But could it be something else? There are at least three scenarios that could cause this situation on Natural Draft and...

Haller Enterprises, Lititz, PA

200 Sept. Contractor of the Month

Halco

2011 February Member of the Month

Guaranteed Comfort, Memphis, TN

Butch Conway, President of Guaranteed Comfort of Memphis, Tennessee is our choice for August NCT Contractor of the month. Butch and his wife Lynnette started the company in 1992 with Butch saddling his truck until 2001 when he finally began to dedicate all this time...