The top advantages of a tankless install with Mainstream are endless hot water, 20%+ lower energy costs, double the lifespan of a tank unit, recovered floor space (wall-mount design), no risk of tank flooding, and federal tax credits on qualifying high-efficiency models.

Why homeowners choose tankless

  • Endless hot water — never runs out
  • 20–35% lower energy use
  • 20-year lifespan (vs. 10–12 for tank)
  • Wall-mount frees floor space
  • No tank to flood your basement
  • Tax credits on qualifying units
  • Quiet, on-demand operation

See full details on our tankless water heater service, and ask about financing.