S.J. O’Hara Mechanical Contractor About Us Seamus J. O’Hara is a certified and insured mechanical contractor serving the Poconos, the Lehigh Valley and beyond. Get professional service for Heating, Air Conditioning, and Ductless A/C Systems. Our extensive knowledge in the HVAC field allows us to provide affordable solutions to keep your HVAC running at peak performance. You’ll get quick installation and an energy efficient unit. Our Services We have the tools and experience to help your vision come to life. No project is too big or small. We specialize in Heating and Air Conditioning, along with Tankless Navien Water Heaters and plumbing. Looking to scheduled maintenance for your heating and cooling units? By performing routine maintenance on your HVAC equipment, you can reduce energy costs for your home or business. Regular maintenance can also prolong the life of your equipment. Looking for a New Water Heater? Look no further! We Specialize in Navien Tankless Water Heaters. Contact Us (570) 620-4328 Fill out the Form Below and We Will Get Back to You! Name(required) Phone(required) Message Submit Share this: TwitterFacebook S.J. O’Hara Mechanical Contractor, A WordPress.com Website.