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HVAC Technical References

Furnace Selection

Rheem 90+ Furnace Cheat Sheet

Ruud 90+ Furnace Cheat Sheet

Job Site References

80% Gas Furnace Jobsite Information Sheet
(Rheem-Ruud)

90% Gas Furnace Jobsite Information Sheet
(Rheem-Ruud)

Air Conditioning Jobsite Information Sheet

Heat Loss / Heat Gain Information Survey

RHS Job Site Inspection Form

General References

Combustion Air Requirements

Decimal Fraction Chart

GAMA Venting Tables

Measuring Gas Input Using a Gas Meter

Temperature Pressure Chart

 
© 2023 Robertson Heating Supply Co.
  • Family owned and operated since 1934, Robertson Heating Supply Company is an industry leader in HVAC and plumbing wholesale distribution with 39 branches serving Ohio, western Pennsylvania, Michigan, West Virginia, and northern Kentucky including 6 kitchen and bath retail showrooms. Learn more....
  • Corporate Office
  • 2155 W. Main St.
  • P. O. Box 2448
  • Alliance, OH 44601
  • 1-800-433-9532
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