Carbon Monoxide, Combustion Safety, NCI Article Library
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...
Carbon Monoxide, Combustion Safety, HVAC Service, NCI Article Library
Haller Enterprises of Lititz, Pennsylvania has been selected as September's NCT contractor of the month. Haller Enterprises, Inc. provides a full range of plumbing, heating, cooling, electrical and water conditioning services for residential construction, light...
Air Conditioning, Heating, Maintenance Agreements, NCI Article Library
If you had told Hal and Tammy Smith in 1984 that one day their new small business venture would be generating $10 million in sales and supporting 75 employees, they might have thought you had a very vivid imagination. But 27 years later, it turns out that they were...
NCI Article Library, Performance-Based HVAC, Testing and Balancing
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...
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