Ceiling Heating vs Radiant Floor Heating: Which System Is Revolutionizing Condo Comfort in Montréal in 2026?

Two Approaches, One Common Goal: Optimizing Thermal Comfort in the Tight Spaces of Montréal and Shoreline Condos

In the world of modern HVAC heating solutions, condo owners in Montréal, Laval, Longueuil, the North Shore, and the South Shore are increasingly turning away from bulky, traditional systems. They want installations that are invisible, efficient, silent… and especially compatible with the architectural constraints of multi-level residences. In this context, two technologies are standing out: ceiling radiant heating and hydronic or electric radiant floor heating.

At AirGreen, we’ve installed, analyzed, corrected, and optimized both systems across dozens of Québec condos. What have we learned? Each system has its strengths… but one clearly stands out for the specific needs of 2026 condos.

Understanding Ceiling Radiant Heating: Warmth From Above

Contrary to what you might think, ceiling heating isn’t about blowing hot air from overhead. It’s a radiant system, most often electric, that emits gentle infrared heat, directly absorbed by objects, people, and surfaces below.

Its main advantages:

• Quick installation, minimally invasive, perfect for already-furnished condos.

• Compatible with suspended ceilings, commonly found in renovated units in Griffintown or Rosemont.

• Uniform heating, with no air movement or noise.

• Space-saving, since the entire system is built into the ceiling.

At a young professional couple’s condo in Old Montréal, AirGreen installed a STEP Warmfloor ceiling radiant heating system in an 800 sq. ft. unit. The result: noticeable space savings, steady indoor temperature, and optimized consumption thanks to smart home integration.

Radiant Floor Heating: Warmth Beneath Your Feet (But Not Without Compromises)

Radiant floor heating, highly popular in new builds in Brossard or Laval, uses electric cables or hydronic tubing embedded in the slab. Heat rises evenly, creating exceptional foot-level comfort… but this system comes with several limitations in existing condos.

Strengths:

• Immediate comfort sensation, especially appreciated in bathrooms or kitchens.

• Great for open-concept spaces.

• Can work with a central heat pump or high-efficiency water heater.

But beware:

• Heavy and costly installation if the concrete slab is already poured.

• Difficult access for maintenance or repairs.

• Slow response time – it can take hours to reach the desired temperature.

• Potential compatibility issues with certain flooring types.

In a project on Sherbrooke Street East, a half-basement condo with a hydronic radiant floor had cold spots due to poor loop balancing. AirGreen intervened to insulate specific areas and added a Fujitsu KZAH wall-mounted heat pump – 9,000 BTU for targeted warmth.

Our verdict at AirGreen: for existing condos or renovations in Montréal and its suburbs, ceiling heating is often the smarter, faster, and more cost-effective choice. It also keeps your floor area fully available — a major advantage in units under 1,000 sq. ft.

Best Practices and Pitfalls to Avoid

Tips from our certified installers:

• Don’t combine the two systems without technical analysis. They may conflict or create inconsistent controls.

• Choose room-by-room control to optimize both savings and comfort.

• Always check ceiling or floor insulation before installation. This is critical to prevent energy loss.

• If you’re in a co-op, make sure your regulations allow structural interventions (ceiling, slab).

AirGreen, Your Ally for Invisible Comfort in Montréal

At AirGreen, we never install a system without a full analysis of the building, the occupants’ lifestyle, and their energy goals. Our teams across Montréal, Laval, Longueuil, the North Shore, and the South Shore assist you with:

• Free evaluation of your renovation or thermal improvement project.

• Determining the best solution (ceiling or floor) based on your actual needs.

• Helping you secure available grants (LogisVert, Chauffez vert, municipal programs).

• Installing reliable, discreet, and long-lasting systems, compatible with the top brands: STEP Warmfloor, Ouellet, Stelpro, WarmlyYours, and more.