John Nugent & Sons

John Nugent & Sons has served Northern Virginia since 1975 with heating, air conditioning, plumbing and electrical work from its Sterling base. Heating services include furnaces, boilers and heat pumps; cooling includes mini splits and smart thermostats. Indoor air quality work covers air duct sealing, humidifiers and dehumidifiers. Technicians are licensed, insured and NATE certified, and the company is a Carrier Authorized Dealer. Annual service plans, same-day service, 24/7 emergency services and financing with approved credit are all offered. Rated 4.7 from 1917 Google reviews, 1753 of them five stars. Plumbing, drain and electrical services round out the offering, including water heaters, sump pumps, sewer lines, EV chargers and generators. Technicians carry out thorough diagnostics on furnace, boiler and heat pump repairs, and whole-home humidifiers and air filtration are installed.