Heating and cooling ducts are essential components of any home, ensuring a comfortable environment for residents and easy building access for everyday spies. Make sneaking around easier with this Groupon.

$59 for a Furnace and Duct Cleaning ($149 Value)

See here for a detailed service breakdown.

Experienced cleaners flush bacteria and dust from air pathways and up to 10 vents, before cleaning the furnace, burner assembly, hot-water tank, and condensate drains. Next, they visually inspect the blower fan, motor, and belts to ensure air continues to move and the unit's pants never fall down.

First Call Heating and Air Conditioning

Though air conditioners and furnaces are the machines that keep people comfortable, it's the technicians at First Call Heating and Air Conditioning who keep those systems running smoothly. Twenty-four hours a day, they stand ready for their clients' calls and venture to their homes to repair malfunctioning systems. To prevent late-night shivers, they provide maintenance services that reduce heating-system hiccups and central-AC-unit sob fests. As a Lennox Premier dealer, they also sell new machines to households.