What is the eco-mode setting on a boiler? is it cheaper than the normal function? Our experts will then use these images to tell what condition your sewer is in. With a new energy efficient boiler? You’ve had your old boiler practically forever it’s on its last legs—er, gaskets—so you’ll need a new one soon. Find great tips on how to winterize your cabin, maintain your plumbing, and many other great tips! No one should be left out in the cold our qualified heating technicians can get.