Today, we begin a new collection from the HVAC-Talk ‘Wall of Shame.’

These photos show HVAC hack jobs by the worst of the worst: the “unprofessionals” hired on the cheap to repair or install air conditioning and furnace systems.

The photos are submitted to HVAC-Talk’s “Wall of Shame” by the good contractors who are called in to make it safe and right.


They’ll never find it up here…

Artietech was visiting a friend, and found this in the attic. Both the fresh air intake and the flue pipe tied together. A new installation.

Homeowner’s association was going to call the installing contractor.


“the true cost of hring the cheap company.”

These four photos are from a large home in Toronto, with two 100,000 BTU furnaces.
He says the home inspector found 30 violations before he got to the front door.


“Installers put in an 1-1/4-in. feed, we sized 2-in.” he writes. “My favorite is the water line through the fireplace termination.”


it cost $40,000 to fix just the heating system, considerably more than it would have originally cost to put in.


Comments by other contractors:

  • “Carflex drain line, lol. Craig’s list install, or moonlighting hacks.”
  • “Just goes to show you get what you pay for.”
  • “I would be surprised if the ‘hackasaurus’ that did that install even pulled a permit”.
  • “And i thought i have seen some idiot installs. This takes the cake. It’s FAIL big time.”


“Customer had been using one of those washable filters for the past 10 years. As a result, the evaporator was clogged with fine dust and icing over. Had no choice but to pull it out completely and clean it.”



(All info shared fromĀ