DETTSON Suprême Avantage SUP10-A240D12 Electric Furnace | 10 kW - 240V
Dettson’s 10 kW Suprême Avantage electric furnace, wired at 240/208 V with 2 wires, multiposition, with a 1/3 HP PSC motor and front-mounted breakers.
Model numberSUP10-A240D12
514 316-2973 · sales@airgreen.ca
Quick facts
Replace a small electric furnace, with a 2-wire hookup
What the Dettson SUP10-A240D12 is
When a small electric furnace reaches the end of its life, the simplest path is often to replace it with a unit of similar output that connects without redoing the wiring. The Dettson Suprême Avantage SUP10-A240D12 is designed with that in mind. It delivers 10 kW at 240 V, or 7.5 kW at 208 V, and connects at 240/208 V with 2 wires, no neutral. If you want to power accessories, Dettson also provides for a possible 3-wire connection.
It suits a basement apartment, a ducted addition, a small home or a building supplied at 208 V, where it keeps a 3.8 kW first stage.
Built to last and to be serviced
The Suprême has a few details that matter when you keep a furnace for a long time. The breakers are mounted at the front, as are the continuous fan switch, the low/high power switch and the heating demand light. The elements are individually replaceable: if one fails after years, you change that part, not the unit. They run in sequence, quietly according to Dettson. The furnace accepts copper or aluminum supply wiring.
How it fits your home
Dettson approves it for zero clearance and for mobile homes. It leaves the factory set for upflow, but also installs downflow with the DFB-SUP base on a combustible floor, horizontal left or right, or suspended. Its direct-drive 1/3 HP PSC motor has three speeds and delivers up to 1,150 CFM at 0.5 in. w.c.
Considering air conditioning? The furnace accepts a coil up to 3 tons, on the supply or the return side. With a heat pump, Dettson requires non-simultaneous operation: the elements and the heat pump must never heat at the same time, which would cause overheating.
AirGreen’s installation
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, so we do all the work ourselves:
- free on-site estimate and written quote;
- removal of the old furnace and installation of the Suprême in the position you need;
- electrical hookup, with a breaker of no more than 60 A at 240 V or 50 A at 208 V as Dettson specifies;
- thermostat connection, blower speed setting and commissioning.
Dettson covers parts for 5 years in residential use and 1 year in commercial use; labour is not covered by the manufacturer.
Let’s talk
We work in Montreal, Laval, Longueuil, the North Shore and the South Shore. A photo of the rating plate on your current furnace helps us prepare the visit.
Ask for your free estimate and take advantage of our financing options to replace your furnace without waiting.
Replacing a small electric furnace, simply
The SUP10-A240D12 connects at 240/208 V with 2 wires and delivers 10 kW, or 7.5 kW at 208 V. It is a straightforward choice to replace a small-capacity electric furnace, with controls and breakers accessible from the front.
- Replacing a small-capacity electric furnace
- Buildings and units supplied at 208 V
- Basement apartments, additions and small homes heated through ducts
- Adding a central air conditioner or heat pump up to 3 tons
Specifications
From the manufacturer’s documentation. A value the manufacturer does not publish is not listed.
What to know before installing
- Sold alone: not eligible for the LogisVert grant. An electric furnace is not a heat pump.
- Maximum breaker 60 A at 240 V, 50 A at 208 V; ampacity 54.3 A at 240 V and 47.3 A at 208 V, according to Dettson.
- With a heat pump, the elements and the heat pump must not run at the same time (overheating risk according to Dettson): non-simultaneous system required.
- DFB-SUP base required in downflow on a combustible floor.
- Dettson warranty: parts 5 years in residential use, 1 year in commercial use; labour not covered by the manufacturer.
- Coil, outdoor unit and thermostat not included.
Manufacturer documents
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Frequently asked questions
Does this furnace need a neutral wire?
No. Dettson lists a 2-wire connection at 240/208 V. A 3-wire connection (120–208/240 V) is possible if you want to power accessories.
What breaker does it need?
60 A maximum at 240 V, or 50 A at 208 V. Dettson lists a 44.0 A total current and a 54.3 A ampacity at 240 V; at 208 V, 35.9 A and 47.3 A.
Can a single element be replaced if it fails?
Yes. On the Suprême, the elements are individually replaceable, and the breakers are mounted at the front.
Can a heat pump be added?
Yes, with a coil up to 3 tons on the supply or the return side, in non-simultaneous mode: Dettson forbids running the elements and the heat pump at the same time. A heat pump interface kit, the K03081, is offered by Dettson.
What is the warranty?
Dettson covers parts for 5 years in residential use and 1 year in commercial use. Labour is not covered by the manufacturer.
Does it qualify for a grant?
No. Sold alone, an electric furnace does not qualify for the LogisVert grant.
A 10 kW 2-wire Dettson Suprême, installed by AirGreen
Tell us about your project: we check the sizing, confirm availability and send you a quote. Or let our technicians install it for you.
Specifications from the manufacturer’s documentation, checked on October 19, 2026.