Since the dawning of time, man has relied on the sun for warmth and the shade for cool. The primitive strategy has served us well, but now we're also able to take advantage of a more refined form of temperature control: Pay $69 (regularly $140) for an annual A/C or furnace tune-up from Sunset Heating and Cooling. Keep fresh cold air blasting through the hot summer months and ensure you'll be enveloped in warmth all winter long. This family-owned maintenance outfit has been serving Portland since 1922, and the trusted crew has the experience and expertise to help keep your systems running smoothly all year. With availability Monday through Saturday, the team will travel to any home within 50 miles of downtown Portland to check out your air conditioner or gas or electric furnace, and clean coils as necessary. Don't let the sun set on this high-tech deal -- seize these savings and bask in your cool modern atmosphere.