IT Landes Share: Heating & Air Conditioning IT Landes Visit Website Request Info 247 Main Street Harleysville, PA 19438 (215) 256-4221 Hours: 24 Hours a Day / 365 days a year About Map About We are a commercial & residential HVAC and plumbing company. What's Nearby? Distance: 5 10 15 20 25 50 mi.