CONFORTO Lowboy KLE-02-G023-H3 Electric Furnace | 23 kW - 240V
Conforto’s 23 kW Lowboy electric furnace with a 1/2 HP ECM motor: five staged elements, five blower speeds and a low-profile upflow format.
Model numberKLE-02-G023-H3
514 316-2973 · sales@airgreen.ca
Quick facts
Even heat throughout the house, with 23 kW and an ECM motor
What the Conforto KLE-02-G023-H3 is
This Lowboy electric furnace is installed in the basement and pushes warm air out through the top, straight into the plenum. It combines two things owners of larger homes often look for together: 23 kW of output spread over five elements, and a five-speed 1/2 HP ECM (Ecotech) motor to set the airflow precisely.
It is a good fit for a family replacing an old low-profile furnace who wants to modernize the rest of the system at the same time: smart thermostat, central humidifier, air conditioning later.
Comfort, day to day
What sets this furnace apart is the way it heats. The first stage starts at 15 kW, then the other elements are added as demand requires. The ComfortMax control analyses each cycle to modulate the elements, and QuietComfort pre-warms recirculated air at low energy. According to Conforto, the house sees fewer short cycles and a steadier temperature.
The ECM motor adds another layer of adjustment. Conforto publishes four airflow settings, from 1,275 CFM on HIGH to 600 CFM on MED-LOW depending on duct pressure. We choose the speed that suits your ducts instead of leaving a generic setting.
- 1 or 2 stage 24 VAC thermostat, smart or not;
- 24 VAC connection for a central humidifier;
- fully insulated cabinet, LED diagnostics and a control board with a replaceable fuse.
In a home around here
Our winters test a furnace for months. Here, protection is doubled: redundant high limits, over-voltage and under-voltage protection. And if you add a central heat pump, the furnace accepts a coil up to 3.0 tons, on the supply or the return side. Its elements then become the backup heat, and the control turns one or more of them on during defrost.
What AirGreen’s installation covers
AirGreen is a family business established in Montreal for more than fifteen years, with RBQ licence 5645-9605-01 for ventilation, refrigeration and electrical work. The project starts with a free in-home estimate: we check that the panel can feed a 125 A circuit with 2 AWG wire, as Conforto requires, and that the space allows an upflow installation. You then receive a written quote. On installation day, we remove the old unit, connect the KLE to the ducts, make the electrical and thermostat connections, set the ECM speed and commission the system.
Take the first step
We serve Montreal, Laval, Longueuil, the North Shore and the South Shore. Tell us about your home and what you would like to improve this winter.
Ask for your free estimate and use our financing to pay for your furnace in instalments.
Everyday comfort in a larger home
The KLE-02-G023-H3 combines 23 kW of staged heating with a five-speed ECM motor. It is meant for homes that need more output while wanting airflow that is well matched to the ductwork.
- Larger homes heated through ductwork, with a low-profile furnace in the basement
- Projects that add a central humidifier connected to the furnace
- Homes with, or planning, a smart thermostat
- Future central air conditioner or heat pump up to 3.0 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. The furnace is not a heat pump.
- Upflow only: it is the only position Conforto allows for the Lowboy KLE.
- 240 V single-phase circuit: 125 A minimum circuit ampacity, 125 A maximum breaker and 2 AWG wire, according to Conforto.
- The thermostat, humidifier and cooling coil are sold separately.
- Unit 21 1/2 in wide, 44 in deep and 34 1/2 in high.
- 1 disposable 20 x 20 x 1 in filter
Manufacturer documents
Explore the range
Electric furnacesSee allSame brand
CONFORTOSee all
Frequently asked questions
Can a central humidifier be connected to this furnace?
Yes. Conforto provides a 24 VAC connection for accessories, for example a central humidifier. The humidifier is sold separately.
Does it work with a smart thermostat?
Yes. It accepts 1 or 2 stage 24 VAC thermostats, smart thermostats included, with the G, W1, W2, R, Y1, Y2 and C terminals.
What is the five-speed ECM motor for?
To set the airflow for the ductwork and, later, for a heat pump or air conditioner coil. Conforto publishes airflows from 1,275 to 600 CFM depending on speed and pressure.
What electrical service does it need?
A 240 V single-phase circuit with a 125 A minimum ampacity, a 125 A maximum breaker and 2 AWG wire. We check your panel during the free estimate.
What if I add a heat pump?
The furnace accepts a coil up to 3.0 tons, on the supply or the return side. During defrost, the control turns on one or more elements depending on the DIP switch 3 setting.
Does it qualify for the LogisVert grant?
No. Sold alone, an electric furnace does not qualify.
A 23 kW Conforto ECM Lowboy, 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.