DETTSON Suprême Avantage SUP25-A240D12 Electric Furnace | 25 kW - 240V

25 kW of electric heat, without connection headaches

For owners who want to keep it simple

You own a duplex or triplex and the furnace in one unit is reaching the end of its life, or your house calls for a lot of heating output. The Dettson Suprême Avantage SUP25-A240D12 handles these cases directly: 25 kW at 240 V, 18.8 kW (64,070 BTU/h) at 208 V, and a 2-wire 240/208 V connection. A 3-wire connection for 120–208/240 V is also possible with accessories.

Its elements come on in sequence, quietly, and can be replaced individually. The first stage delivers 15 kW at 240 V. The blower is a 3-speed, 1/3 HP direct-drive PSC motor that moves 1,150 CFM at high speed (factory setting) at 0.5 in w.c. The published temperature rise ranges from 60 to 80°F at 240 V.

What the manufacturer provides

On the front, the Avantage series groups the continuous-fan switch, the low/high power switch, the heat-demand light and the breakers, in a painted steel cabinet. The furnace is multi-position: upflow from the factory, downflow on the DFB-SUP base when the floor is combustible, horizontal to the left or right, or suspended. Dettson approves it for zero clearance, mobile homes and copper or aluminum wire. It measures 36 1/2 in (927 mm) high and 22 in (559 mm) deep, weighs 105 lb (48 kg) and uses a 20 x 20 in filter. On warranty, Dettson covers parts for 5 years in residential use and 1 year in commercial use; labour is not covered by the manufacturer.

To check before installation

Three points matter. First, electricity: total current of 106.1 A at 240 V and a 150 A maximum breaker (125 A at 208 V), on a dedicated circuit. Next, cooling: the coil can go up to 3 tons, on the supply or return side. Finally, the heat pump: Dettson does not allow the elements and the heat pump to heat at the same time, because this would cause overheating; the thermostat or an accessory alternates them, and the K03081 interface kit is provided. A furnace sold alone does not qualify for the LogisVert grant, since it is not a heat pump.

The AirGreen team

AirGreen is a family business established in Montreal for more than fifteen years. Our RBQ licence 5645-9605-01 covers ventilation, refrigeration and electrical work. We do the free on-site estimate, give you a written quote, then install the furnace, connect it to the ducts and the circuit, set the blower, check the temperature rise and explain the controls.

Owners in Montreal, Laval, Longueuil, the North Shore and the South Shore: ask for your free estimate and written quote. Financing options are available.