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Onofreo Home Comfort Systems LLC offers extensive heating, air conditioning and indoor air quality services throughout Connecticut, including installation, repair, and maintenance. Our technicians and installers are factory trained on every product offered. We provide free estimates on new furnace installations, boilers, hot water heaters, Air Conditioning systems, and other HVAC needs. Our services are centered around helping people with all of their home comfort needs, providing reliable, efficient, and cost-saving year-round temperature control, as well as a safe, healthy, and enjoyable indoor environment.