Shamrock Heating and Air Conditioning Inc. Shamrock is a well-respected leader in heating, air conditioning and electrical services serving New Jersey and the Tri-State area. Our company consist of six groups: new residential construction , electrical (License #7599-B) , commercial construction , the service division , the plumbing division and the private homes group . Our goal of 100% Customer Satisfaction is taken very seriously and we strive to achieve it on a daily basis.Shamrock maintains relations with all the major heating and air conditioning suppliers. We favor certain manufacturers depending on the equipment required to fill a specific need. Equipment is evaluated by management as it relates to quality, warranty coverage and a price that benefits the ultimate consumer.Shamrock recommends the use of high efficiency equipment due to environmental concerns and the long range value to the customers.