Revit MEP (Design Services)- HVAC Design (HAP & ASHRAE)

Explore the three heat transfer modes, conduction, convection, and radiation, and apply Fourier's law to estimate wall heat transfer and the overall heat transfer coefficient for seasonal loads.

Start a new mechanical project in Revit, choose the metric template, set units and project info, and explore the ribbon, properties, and project browser before linking architectural and structural models.

Learn how levels and grids anchor HVAC design in Revit, copy architectural SSL and FFL levels via Copy Monitor, create grids, handle visibility, and prepare views for ducts and piping.

Learn to create 2D floor plans and reflected ceiling plans for HVAC duct and pipe systems across levels in Revit, adjust view range and templates, and assign discipline HVAC.

Show room names on hvac plans by linking the architectural plan or tagging rooms with a room tag, then place vertical shafts per ASHRAE fundamentals.

Explore common false ceiling types—600x600 removable tiles, gypsum board grid, no ceiling, compound gypsum/wood, and bulkhead—and learn how architectural finishes influence hvac equipment and air outlet choices.

Set Madrid, Spain as the project location to capture latitude, longitude, elevation, solar radiation, and dry bulb temperature and wet bulb temperature from ASHRAE info for accurate HVAC design.

Define spaces and assign room names and numbers, read floor area and ceiling height, then set outside air requirements per ASHRAE 62.1 and choose free return or return ducted systems.

Assess space internals and overhead lighting heat, choose recessed vented fixtures with a 1.15 ballast, and use ASHRAE fundamentals to determine wattage and schedules; estimate five occupants using ASHRAE 62.1.

Learn how to calculate heat transfer through walls using Revit to define wall layers, compute u-value from layer resistances, and configure project windows and doors for hvac design.

Identify sun-exposed roof slabs, calculate a 4.4 m² sunlit area for retail unit, and align skylights as sky windows in the roof assembly for return-ducted systems.

Define infiltration as uncontrolled air entering through cracks; estimate it for loads using ach, room volume, and flow units like l/s and l/s per m2.

Explore floor options in hvac design: floor above conditioned space, floor above unconditioned space, and slab on grade, using delta t and u-value to assess heat transfer.

Practice HAP and ASHRAE compliant hvac design in Revit MEP by modeling multiple rooms, entrances, and corridors, defining areas, walls, partitions, loads, and infiltration.

Define curtain walls in hub for the second-floor restaurant, calculating curtain wall lengths, window areas, and heat gains with ASHRAE fundamental chapter 18.

Create and configure hvac systems in Revit MEP, room by room, to determine cooling coil loads and generate per-room reports; compare CAV and VAV, ventilation, and coil options.

Demonstrate exporting the hub report in si and british units, adjust the 20% safety factor for retail spaces, and review loads, airflow, and psychrometric data for HVAC design.

Explore when to choose direct expansion (dx) systems versus chiller systems, including vrf/vrv configurations, indoor unit types, pipe considerations, and the role of air handling units in high-load spaces.

Learn to select a high wall split unit (indoor and outdoor with R-410A) using catalog data, considering ambient temperature, capacity, and install guidelines, sizing one step higher than the load.

Explore cassette unit selection for grid 600 by 600 false ceilings, balancing gypsum-board adjustments, installation clearances, and even spacing between units for Revit projects.

Learn about the concealed ducted unit, its placement above the false ceiling, insulated copper pipes and ducts, and how air terminals like diffusers and grilles distribute air.

Learn how to assess air conditioning efficiency using EER and COP, calculating cooling and heating capacity over electrical power, with nameplate data and outdoor vs indoor unit considerations.

Explore VRV/VRF systems, Verve VRF, indoor–outdoor connections, piping types, long pipe lengths, and zoning the project into retail and common-area outdoor units for reliability.

Learn to select VRV/VRF outdoor units for multi-zone cooling/heating, using ambient temperature, combination ratio, and Daikin express with catalogs and Excel data; install on the roof with piping and plinths.

Learn to design vrv/vrf refrigerant copper piping in Revit, create a copper pipe type and schedule, route main and branches, size pipes using supplier tools, and reflect sizes in inches.

Model copper refrigerant pipes in Revit to connect outdoor and indoor units for VRV/VRF design, detailing liquid and gas pipes with sizes like 15.9, 9.5, and 6.4.

Learn to enter piping links and bends in Diamond Express to export the VRV/VRF system report for Revit MEP HVAC design, including setting offsets and exporting to CAD.

Define air terminals in ducted systems and summarize common types: diffusers, slot diffusers, grilles, registers, disc valves, jet nozzles, and perforated diffusers. Highlight sizing concepts, duct connections, and catalog-based selection.

Select diffusers by architectural finish, supply airflow, noise criteria, neck velocity, and throw; apply isothermal corrections and center placement.

learn how to select and place 20 mm linear slot diffusers in revit mep, sizing for room flow, analyzing cfm, throw, and aesthetic use of dummy diffusers.

Select and size ceiling grills for bulkheads and vertical false ceilings by matching 428 cfm with a 500–600 fpm velocity, choosing 0/22/45 deflection, and aligning 710×150 mm grills in Revit.

This lecture summarizes direct duct design for hvac systems, covering duct types, shapes, materials, insulation, joining methods, standards, and equal friction and equal velocity sizing with aspect-ratio considerations.

Master duct fittings design in Revit MEP by routing with reducers, elbows, and takeoffs while applying Smacna guidelines, alignment, spacing, and proper insulation, lining, and damper placement for efficient airflow.

Model and size hvac ducts in revit, apply flexible connections, set diffuser openings and duct diameters, add dampers and insulation, and verify head loss and distances for proper air distribution.

Explain external static pressure as the fan’s resistance from duct routing, fittings, dampers, air terminals, and filters, calculated via pressure drops using Smacna data.

Master ventilation design to provide fresh air, remove odors, and control heat and humidity across offices, toilets, kitchens, and healthcare spaces using mechanical systems and ASHRAE guidance.

Design a two-floor fresh air system by sizing dedicated ducts from roof fans to air handling units, ensuring continuous fresh air on the ground floor and first floor.

Learn to select a fresh air fan by analyzing flow and external static pressure, calculate duct-length pressure drops with a dynamo script, and pick a cvt fan from performance curves.

Design a toilet exhaust system in Revit using disc valves, ASHRAE 62.1 minimums, and air-change calculations to size 100 mm valves and 300x150 ductwork, with fan selection and damper placement.

Learn how to create negative pressure in toilet rooms and positive pressure in other spaces. Use door grills and air curtains to balance exhaust with fresh air.

design and route hvac ducts for ahu systems in revit mep, covering supply and return duct routing, air terminals, diffusers, risers, and related sizing and connections.

Select and model the AHU condensing unit for the cooling coil with carrier outdoor units in Revit, noting cooling capacity and power input.

Calculate the external static pressure for the air handling unit by summing supply and return duct pressure drops, including elbows, reducers, and take-offs.

Design a commercial kitchen ventilation in Revit, achieve negative pressure in kitchen and toilets, select hood types, compute exhaust rates and pressure drops, and introduce fresh air with axial fans.

Design the underground parking garage ventilation for B-01 and B-02 using seven l/s/m² exhaust and ten air changes per hour for smoke exhaust, with fresh air from the ramp.

This lecture demonstrates parking garage smoke exhaust duct design in Revit MEP, detailing grill distribution, vertical duct routing, dampers for balancing 471 l/s total flow, and selecting two exhaust fans.

Explore the chilled water system, its chiller types and connections to air handling units. Compare compressors (reciprocating, scroll, screw, centrifugal) and differentiate air-cooled versus water-cooled chillers with capacity guidance.

Select a suitable air-cooled chiller for a project by evaluating load and ambient conditions, choosing the 190R model (198 kW), and coordinating placement, service area, and disabling free cooling options.

Learn chilled water pipe materials and sizing, including steel, PBR, copper, and HDPE; calculate pipe diameters using q, m c delta t, and ton conversions, with Revit routing.

Learn FCU selection and hookup for chilled water systems: valve configurations, dielectric unions, strainers, balancing valves, three- and two-way valves, and constant or variable speed pump considerations.

Explore the air handling unit hookup in a chilled water system, including bypass and isolating gate valves, strainer, permanent gauges, drain valve, air vent, and balancing valve placement in Revit.

Explore centrifugal and positive displacement pumps, with a focus on chilled water systems, pump head, and pressure drop calculations to select the right pump for a building's HVAC network.

Select chilled water pumps using performance curves and system curves; assess the best efficiency point and total efficiency, and apply affinity laws.

Load the chilled water pump family, place two pumps on a plinth in the return line, and connect suction and discharge headers with valves and strainers to protect the evaporator.

Learn how package units function as complete refrigeration systems and replace an air handling unit with a rooftop package unit in Revit, covering selection criteria and roof curb setup.

Finalize placing hvac views into sheets, hide piping from ducts and ducts from piping views, and rename views for consistent sheet organization across floors.

Learn to tag and annotate hvac elements in revit, including ducts, risers, and equipment, using tag by category and system abbreviations, with aligned leaders and clean sheet presentation.

Create isometric 3D riser diagrams from a Revit MEP model to show vertical HVAC runs with data for airflow, air velocity, pressure drop, and duct size, documented on sheets.

Learn to use Revit legends to create a typical concealed unit installation detail, including A distance from the false ceiling, drafting views, and placing details on multiple sheets.

Learn to create multiple air handling unit details in Revit by using sections and detail lines, building a legend with symbols for each section, and tagging ducts on sheets.

Learn to add access panels in Revit for hvac design, detailing 450x450 and 300x300 panels under false ceilings to access valves, BTU meters, VAV boxes, and dampers per NFPA.

Extract shop drawings in dwg from revit and convert them to pdfs for AutoCAD printing. Adjust export setup to control layers and colors, embed references, and export at a2 size.

Create a duct schedule in Revit to support bill of quantities and material take-off, detailing galvanized steel, insulated, external, stainless steel, and aluminium cladding for ducts division 15, section six.

Calculate duct fittings quantities in a schedule, define shared parameters for fitting surface area, and apply parking exhaust separation with ducts having one millimetre thickness painted with fire resistance paint.

Create a new air terminals schedule, sort by type, remove itemize, and calculate totals to review air terminal counts and sizes in the Revit MEP HVAC project.

Create copper pipe schedules for refrigerant supply and return, capture outside diameter and length with unit conversions to fractional inches, sort by system type, calculate totals, and include pipe accessories.