All guides

How an upflush toilet lets you add a bathroom without breaking concrete, what pump power and pumping distance mean, and the SNFLEX range compared – 500W, 600W and 750W, from $639.

HOROW's T38 ($999) and T38P ($1,299) compared: seat height, flushing, features, power-outage flushing, returns and who each one suits – from HOROW's own product pages.

Two popular direct-to-consumer smart toilet brands side by side: price ladders, tank vs tankless, power-outage flushing, seat height, returns and warranty – from each brand's own store.

A bidet seat adds warm-water washing to the toilet you already have for $99–$319; a full smart toilet costs $429–$1,600 and adds auto flush, power-outage flushing and a one-piece design. How to choose, with real prices and the fit checks to do first.

Tankless smart toilets flush straight from the supply line; tank models store water and often add a pump. How to tell which your home needs, what makers say about low water pressure, and current prices.

A fact-checked HOROW review: 15 smart and bidet toilets from $339 to $1,699 compared by tank type, rough-in and features, plus HOROW's 2-year warranty, 90-day returns and which models get free return shipping.

Standard vs comfort-height vs extra-tall toilets explained, who each suits, and current options from ELEMAZ (Simple Project) and HOROW – from $269 tall toilets to ADA-height smart toilets.

How non-electric bidet toilets work, what you give up versus an electric smart toilet (warm water, heated seat, dryer), and HOROW's N30, T30 and T30-NE compared with $99 bidet seats.

What happens to a smart toilet when the power goes out, the three kinds of backup flush (built-in, battery box, mechanical), and which HOROW and EPLO models have which – with prices.

How to measure your toilet rough-in, what happens if you buy the wrong size, and which smart and bidet toilets are made for a 10-inch or 12-inch rough-in – with current prices.