At Hot & Cold Plumbing & Heating, we provide professional residential and commercial air conditioning services to keep your home or business cool, comfortable, and energy-efficient. From expert AC installation and central air system setups to fast AC repairs and regular maintenance, we handle every project with attention to detail and care. Whether you’re upgrading to a ductless mini-split or improving your indoor air quality, our licensed technicians have the experience and tools to deliver outstanding results. We proudly serve customers throughout Massachusetts and Southern New Hampshire, ensuring comfort and peace of mind all year long. Learn more about any individual service by clicking one of the buttons below.