CJM Plumbing, Heating & AC is your trusted, full-service plumbing, heating and cooling company serving Cornwall, New Windsor, and the broader Hudson Valley area. With three generations of hands-on experience behind every job, we deliver honest service, attention to detail, and a commitment to quality from start to finish. Whether you need a simple fix — like a leaky faucet, clogged drain, or water-heater repair — or a full installation of plumbing, HVAC, or a ductless mini-split system, our licensed and insured technicians handle it all with professionalism and care. At CJM, we’re not a faceless franchise — we’re a family-run business that treats every home as if it were our own. From emergency repairs to routine maintenance, we stand by our work and ensure your comfort, safety and peace of mind.