McCarthy Air Conditioning is a local, family owned & operated company We offer AC and Pool heater repair and replacement, whole home duct cleaning and sanitation, blown in insulation, dryer vent cleaning and HVAC inspections.Give us a call today for all of your A/C & pool heater needs! Licensed and insured CAC1819458.

Operating out of Quaker Hill, CT and serving Southeastern Connecticut, McCarthy Heating Oil provides service in all facets of the fuel business, including complete heating system installations and air conditioning. We are proud and pleased to be a Diamond Contractor for Mitsubishi Electric cooling and heating ductless systems.

McCarty Mechanical handles HVAC, plumbing, and indoor air quality services for homes and businesses. Our licensed technicians install, repair, and maintain air conditioning systems, furnaces, heat pumps, ductwork, and ventilation setups. On the plumbing side, we tackle leak repairs, drain cleaning, fixture installations, and water heater service, including tankless and traditional units. We also offer air quality consultations to address... Read More about McCarty Mechanical

At One Hour, we respect you, we respect your time, and, most importantly, we respect the trust that you put in us to keep your home comfortable. It’s why we back all of our work with a 100% customer satisfaction guarantee for two years, and it’s why we’re always on time—guaranteed.