Heating & cooling calculations
Understand what each room needs with heat-loss and heat-gain calculations to inform equipment sizing and airflow.
ROOM LOADS · SYSTEM SUMMARIESRESIDENTIAL HVAC DESIGN · GTA
Thoughtful design.
Every room.●
Residential HVAC design for renovations, secondary suites, and new homes. From room-by-room loads to coordinated ductwork, bring clarity to your next project.
DESIGN IN DETAIL01 / 06
DESIGN FOCUSLoads.
Airflow.
Comfort.
Airflow.
Comfort.
FEATURED PROJECT
Separate-system load modelling
RESIDENTIAL HVAC
LOAD CALCULATIONS
VENTILATION
DESIGN COORDINATION
01 / SERVICES
A clear plan.
A better space.
Practical HVAC design support for homeowners, residential designers, contractors, and engineering teams across the Greater Toronto Area.
Tell me what you’re planningDuctwork & air distribution
Plan supply and return air routes around the layout of your home, with room airflow schedules and coordinated drawings.
DUCT LAYOUTS · ROOM CFMVentilation design
Coordinate fresh air, exhaust, and heat-recovery ventilation with the wider mechanical design.
FRESH AIR · EXHAUST · HRVDrawing & project coordination
Bring mechanical layouts, equipment locations, and architectural plans together in a clear design package.
RENOVATIONS · SUITES · NEW HOMES02 / SELECTED PROJECTS
Design work.
Made tangible.
06
Residential layouts, system coordination,
and room load schedules.
Heat pump loads · Whole-house ventilation
Separate heat-pump and furnace system groups.
Supply air · Return air · Fresh air · Exhaust
Coordinated basement air distribution.
Conditioned boundary · Foundation losses · Infiltration
Foundation, slab, and infiltration heat loss.
Suite planning · Architectural coordination
Mechanical coordination within an existing home.
Equipment layout · Residential planning
Equipment placement within a compact floor plan.
Ductwork · Heat-recovery ventilation
Integration of retained services and new ductwork.
Select a project to view drawings and room load schedules.
03 / HOW WE WORK
From your plans
to the details.
A direct conversation. A defined scope.
Design that fits your project.
Share your project
Send your floor plans, project location, and a short description of the work.
Define the scope
We agree on the services, required inputs, deliverables, and schedule before work begins.
Design & coordinate
Calculations and drawings are developed for the agreed scope, with a review of the key design details.
04 / START A CONVERSATION
RESIDENTIAL HVAC DESIGN / GREATER TORONTO AREALet’s plan
your next space.
↗Have a renovation, secondary suite, or new home in mind? Send your plans and a few project details to get the conversation started.
Email your project detailsm.hassan8286@gmail.com
MH Building Systems
Muhammad Hassan, P.Eng.