James K. Allwein Heating and Air Conditioning has been in operation since 1907. Since then we have grown into one of the most respected plumbing and HVAC contractors in the Lebanon area. In 2013 the James K. Allwein changed ownership to Denny Perini and continues to grow strong. We service both commercial and residential customers in Pennsylvania's Lebanon Country and surrounding area. There is no job too large or too small, we do it all! Customer satisfaction is our ultimate goal and our team of dedicated professionals promise to provide quick, quality, friendly and dependable service at a competitive cost. Wether your need is installation in new construction, replacement of old equipment or repairs to damaged property, we can make it happen. Give us a call for your FREE estimate. 24 Hour Emergency Service Available for our customers.