Tutorvo

Water Heater Sizing: Peak Hour, Recovery & First-Hour Rating

Lesson 7 of 815 minLab

This lesson is part of the course

In this lesson

You add up a fictional family's busiest hour of hot water, estimate the recovery rate and first-hour rating of four tank heaters and pick the smallest one that covers the peak.

Buy the course once for $9.99 to unlock every lesson and lab, the final exam and the certificate – lifetime access, no subscription.

Lessons in this course

  1. Tape Measure Math: Feet, Inches, Fractions & MillimetresLab12 min Locked
  2. Offsets: 45° Travel, Other Fitting Angles & Rolling OffsetsLab15 min Locked
  3. Drain Slope: Fall over Length, Percent Grade & DepthLab12 min Locked
  4. Pipe Volume & Water Weight: Gallons, Litres & PoundsLab12 min Locked
  5. Flow Rate & Velocity: Q = V × A for Supply PipesLab14 min Locked
  6. Fixture Unit Totals & Pipe Size LookupLab14 min Locked
  7. Water Heater Sizing: Peak Hour, Recovery & First-Hour RatingLab15 min Locked
  8. Job Material Estimate & Quote with a ChartLab16 min Locked