When designing an HVAC system, remember that... When you design an HVAC system, remember that: 1  All AHU rooms must have a floor drain, as condensation from the air will collect in the unit.  One should provide fresh air to every AHU.
The sales tax in Richmond located in Fort Bend is 8.25% which is above the Texas average of 7.25%. All Fort Bend Sales Tax âº.
Galveston County collects very high property taxes, and is among the top 25% of counties in the United States ranked by property tax collections. Of the two-hundred-fifty-four counties in Texas, Galveston County is ranked 14th by median property taxes, and 14th by median tax as percentage of home value.