CONFORTO AT AT0623 Electric Boiler | 6 kW - 240V

A compact, zero-emission 6 kW electric boiler for small hot-water loops

What the AT0623 is and who it suits

The Conforto AT0623 opens the AT series: it is a 6 kW, 240 V wall-mounted electric boiler, or 20,500 BTU/h according to the manufacturer. It heats the water of a hydronic system with two 3,000 W elements that come on in two stages. When demand is low, a single element works; when the cold sets in, the second one joins it.

This size is meant for projects where the heating load stays modest. Think of a radiant floor in a finished basement, a room added at the back of the house, a workshop with a heated slab or a condo with hot-water radiators. Conforto presents the unit as a zero-emission solution, which makes it a consistent choice for a household that wants to heat its water with electricity.

How it fits a Quebec home

The AT0623 mounts on the wall, which keeps the mechanical room floor clear. It weighs about 70 lb (32 kg) as shipped and connects to the loop through 1 1/4 in NPT fittings. Conforto designs it for low-temperature radiant heating as well as high-temperature hot-water baseboards and radiators.

On the electrical side, it needs a 240 V single-phase supply, with a minimum circuit ampacity of 38.8 A and maximum protection of 40 A. That is the lowest electrical demand in the AT series, an advantage when you add hot-water heating to only part of the house and the panel has little room left.

The controller brings two practical advantages. An immersion sensor at the heat exchanger outlet prevents short cycling, and a separate setpoint lets you make domestic hot water with an indirect water heater, with priority over space heating. A load-management input also lets the electricity provider control the unit.

What AirGreen’s installation covers

Everything starts with a free on-site estimate. We look at the existing loop or the radiant-floor project, your electrical panel’s capacity and the wall space available. You then receive a written quote that states the size chosen and the loop components to plan for, such as the circulator and the expansion tank.

On installation day, our technicians mount the boiler, connect it to the piping and the electrical circuit, fill and purge the system, then set the heating and domestic hot-water setpoints. We also explain the yearly maintenance, a condition of Conforto’s limited lifetime warranty.

AirGreen is a family business established in Montreal for more than fifteen years, holding RBQ licence 5645-9605-01.

Plan your project

We serve Montreal, Laval, Longueuil, the North Shore and the South Shore. Ask for your free estimate: you receive a clear written quote, and financing is available so you can go ahead without waiting.