Establish zone output
Radiators and in-floor loops have different delivery arrangements. The design should connect the new room load with suitable emitter and operating-temperature assumptions.
Request boiler service for a property in Caledon. Include the equipment, the problem or planned work, and your location so the request can be reviewed.
An extra radiator or floor loop changes the hydronic design beyond adding square footage. Assess the new zone's load, emitter output, piping, circulation, and controls alongside the retained boiler.
Supply boiler and zone information, addition specifications, and proposed emitters. Ask which existing components remain and what further assessment is needed.

Radiators and in-floor loops have different delivery arrangements. The design should connect the new room load with suitable emitter and operating-temperature assumptions.
Ask whether pumps, valves, and thermostats can serve the added zone. A nominally large boiler does not prove that the retained distribution will operate correctly.
Include pipe access, connection work, restoration, and commissioning of both new and retained zones. Leave filling and pressure adjustments to appropriate service personnel.
Compare zone extension and boiler changes using the complete hydronic design. Require evidence for an appliance replacement recommendation and clarity about which distribution or control limitations it resolves.
Leave fuel, combustion, electrical, and pressure-system work to a qualified contractor. Do not adjust safety devices or repeatedly add water to a system with an unexplained leak or pressure loss.
Send the property location, equipment information, and requested work for review.