Hitech PTAC Repair NYC. We offer heating repair service and installation with numerous options, to find a system ideally suited to your home. Our heating and HVAC repair services are performed by reliably and professionally. Our qualified service technicians will have your HVAC up and running in no time. We guarantee our work 100%, and stand behind all work we do. We are fully licensed and insured in heating repair, sales, HVAC installation and maintenance, for all brands of heating...