C$49 for Air-Duct Cleaning with Furnace Tune-Up and Vent Inspection at iTech Furnace Service (C$140 value)

Calgary

Value Discount You Save
C$140 65% C$91
Give as a Gift
Limited quantity available
Over 240 bought

In a Nutshell

HVAC specialists keep homes comfortable and dust-free with air-duct cleaning and furnace tune-ups

The Fine Print

Promotional value expires 120 days after purchase. Amount paid never expires. May be repurchased every 180 days. Valid only within Calgary. Not valid for clients active within the past 6 month(s). Appointment required. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Limit 1 per person, may buy 2 additional as gifts. Limit 1 per household. Only valid for regular air filters. Extra fee of $40 may apply for high-efficiency furnaces and air conditioners. Valid for up to 10 vents. Each additional vent is $10 each. Not valid for apartments or townhouses. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

The Deal

  • C$49 for Air-Duct Cleaning with Furnace Tune-Up and Vent Inspection for up to 10 vents (C$140 value)

Central Air Conditioning: A Quick-Change Act at Home

Take a peek at the principles of central air conditioning to understand just what your technician will be adjusting.

A refrigerant is a substance that transforms more easily than most from a gas to a liquid and back again. This shape-shifting is what makes modern air conditioning possible. Refrigerant cools the home by traveling through a compressor, a condenser, and an evaporator—the last a part of the furnace system inside the house, while the other parts reside in an air-conditioning unit that usually sits outside staring longingly at the family it works for.

It might seem natural to think of air conditioning as a process of blowing cool air into the home, but it might be more easily understood as a matter of carrying off hot air. Fans suck air from the home into the system and draw it across the coils of the evaporator, which house liquid refrigerant. As the refrigerant relieves it of its heat, the furnace’s blower and ducts distribute the now-cooler air throughout the home. Meanwhile, under heat, the refrigerant becomes a vapor that flows into the compressor, which further pressurizes the gas and propels it into the condenser.

Now it’s time to get rid of all that heat. In the condenser, heat is radiated away, helped along by the venting and large surface area of the metal fins on the outside of the unit. This lets the refrigerant cool down and return to liquid form, leaving it ready to flow back inside and pick up another load of the home’s heat.

Since it hit the market in 1932, central air conditioning has not only made it possible to build houses in the hottest regions of the country—it’s actually changed the way those houses are built. High ceilings, eaves, awnings, attics, and front porches were once standard elements of home architecture that provided relief from the stifling summer heat and invited bats to come flap their wings to make breezes. Central air made it both possible and, given the cost of installation, desirable to create simpler one-story homes without these architectural flourishes, leading to a post–World War II boom in sprawling modern developments.

Customer Reviews

They were very polite and did a great job
Brandon M. · November 5, 2016
Very professional and courteous, great job..!
Len P. · October 5, 2016
The brothers were very friendly and explained everything as they proceeded. Great job.
Yvonne B. · September 23, 2016

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