Home Security serving Lehigh Valley. Rated 3.3/5 (30 reviews). From their website: Dun-Rite is an Electrical & HVAC contracting corporation based in Whitehall Pennsylvania.  We proudly serve the Eastern PA & New Jersey areas.  We provide high quality electrical, HVAC, and special systems installations, service, and repairs.  Browse our website to learn more about the types of services we can offer.