$40 for One Furnace Tuneup from 5 Diamond Heating and Cooling ($80 Value)

5 Diamond Heating and Cooling

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Customer Reviews

19 Ratings


William R. · 4 reviews TOP REVIEWER
· Redeemed January 16, 2018
Carlos was just Great!!


Elizabeth R. · 3 reviews TOP REVIEWER
· Redeemed December 7, 2017
Excellent experience from beginning to end, highly recommend them! Carlos did a great job servicing our furnace.


Paul L. · 1 reviews
· Redeemed July 21, 2017
The service was quick and the technician knowledgeable and professional.

What You'll Get

The Deal

  • $40 for one furnace tuneup ($80 value)

Forced-Air Furnaces: Let There Be Heat

The winter months would be nigh unbearable without central heating. Read on to learn how forced-air furnaces keep things toasty.

There’s nothing quite as awful as being able to see your breath on a cold winter’s night from your own living-room couch. Unfortunately, heating systems have been known to break down, often when the thermometer reaches its lowest depths. Although mechanics train for years to be able to fix faulty furnaces, the forced-air system itself is relatively straightforward, consisting of only four main parts: the thermostat, the burner, the heat exchanger, and the blower.

Once the thermostat senses that the air temperature has dropped below a set number (say, 72 degrees Fahrenheit), it sends an electrical signal to the burner. Attached to the burner is the gas valve, which controls the flow of fuel, and the igniter, which sets the fuel ablaze safely within the metal confines of the burner. Next to the burner is the heat exchanger, a piece of metal that warms quickly over the flames of the burner. The blower sends cold air whooshing over the exchanger, quickly raising the air’s temperature as it enters the duct system to warm the house and swiftly melt any snowballs trapped in the vents.

Bonus Points

  • Each room typically has two vents—one for the hot air and one to carry the colder air back to the furnace, where the cycle repeats.
  • As soon as the desired temperature is reached, the thermostat shuts off the burner to conserve energy.

The Fine Print

Promotional value expires 120 days after purchase. Amount paid never expires. Valid only within 20 miles of zip code 92103. Appointment required, same day appointments accepted. Merchant's standard cancellation policy applies (any fees not to exceed voucher price). Limit 1 per person, may buy 1 additional as a gift. Limit 1 per household. May be repurchased every 30 days. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

About 5 Diamond Heating and Cooling

By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.