Mechanical & HVAC cost estimating made easy! Take the guesswork out of cost estimating for air conditioning, heating, ventilating, & piping systems with John Gladstone & Kenneth K. Humphrey's Mechanical Estimating Guidebook. The revised sixth edition of this best-seller is packed with 50,000 practical tips & techniques that will help you arrive at your estimate with greater speed & accuracy than ever. You'll find new sections on indoor air quality... CFCs... life-cycle costing... cold-storage refrigeration... codes, laws & standards... energy management systems... computer-aided estimating... as well as reliable weight, capacity, & conversion tables. This definitive quick-access guide arms you with both standard estimating data & standard for design data for: mechanical cooling & heating equipment fans & blowers; cooling towers; pumps; tanks; piping; ductwork; insulation; foundations & supports testing, adjusting, & balancing; excavating & trenching; rigging; & more.