All Posts

How tank and tankless water heaters differ on cost, efficiency, space and installation, with worked sizing examples and the situations where each one comes out ahead.

Where a linear drain should go, how long it should be, how much slope and flow it needs, and how to match the drain body to your waterproofing and tile.

Peak flow, winter water temperature and burner input decide whether one tankless unit can keep up. Here is the math, a regional sizing table and how to read a spec sheet.

Pick the boiler type your system uses, then size it properly: heat loss for hot water, connected radiation for steam, and GPM times temperature rise for a combi's tap water.

What each pump moves, the code rules for toilet waste, when a grinder earns its place, why grinders and septic tanks don't mix, and how to size a pump by total dynamic head.

Condensing tankless units pull extra heat from the exhaust and can vent in plastic pipe, but they need a condensate drain. Here is how the two designs compare and when each fits.

How to turn peak hot-water demand into a commercial water heater size, with recovery formulas, a worked locker-room example and a storage vs. tankless rack comparison.

ADA spout heights, when a bottle filler can and cannot stand in for a fountain, what NSF filter and 8 GPH chiller ratings mean, and what holds up outdoors in freezing weather.