HVAC Engineering Outsourcing Services That Delivers Precision, Not Problems

3D BIM Modeling (LOD 100-500)

We create detailed, intelligent 3D models of HVAC systems using Revit, from basic conceptual massing (LOD 100) to as-built, operations-ready digital twins (LOD 500). This provides a single source of truth for design, construction, and facility management.

• Visualize complex systems before construction.
• Enable precise pre-fabrication of components.
• Reduce on-site errors and material waste.

HVAC Load Calculation

Using industry-standard software like HAP and TRACE 700, we perform precise heating and cooling load calculations based on building orientation, materials, and occupancy, ensuring systems are perfectly sized for efficiency and comfort.

• Prevent oversized/undersized equipment, saving capital and operational costs.
• Ensure compliance with energy codes and standards.
• Optimize occupant comfort and indoor air quality.

Ductwork & Piping Design

Our engineers design and route efficient ductwork and piping systems, optimizing for airflow, pressure drop, and spatial constraints. We deliver detailed layouts that are coordinated with architectural and structural elements to prevent conflicts.

• Improve system performance and energy efficiency.
• Minimize spatial footprint within ceiling plenums.
• Simplify installation with clear, coordinated plans.

Clash Detection & Resolution

Using Navisworks and BIM 360, we federate models from all disciplines (architectural, structural, MEP) to identify and resolve clashes in a virtual environment. This prevents costly delays and change orders during construction.

• Save thousands of dollars by avoiding on-site rework.
• Improve project timelines by resolving conflicts pre-construction.
• Enhance collaboration between different trade teams.

Shop & Fabrication Drawings

We convert design models into highly detailed shop and fabrication drawings that contain all the information needed for manufacturing and assembly. This includes dimensions, material specifications, and connection details for ductwork, piping, and equipment supports.

• Accelerate the fabrication and assembly process.
• Ensure components are built to exact specifications.
• Reduce ambiguity and errors on the workshop floor.

Energy Modeling & Analysis

We help you achieve sustainability goals by creating comprehensive energy models to simulate building performance. This analysis informs design decisions, helps with LEED/BREEAM certification, and predicts operational energy costs over the building's lifecycle.

• Lower long-term energy consumption and utility costs.
• Achieve valuable green building certifications.
• Make data-driven decisions on insulation, glazing, and HVAC systems.

2D Drafting & Detailing

For projects that require traditional 2D deliverables, our team provides expert drafting services using AutoCAD. We produce clean, accurate, and standardized construction documents, plans, elevations, and detail sheets from sketches or markups.

• Fast turnaround on high-volume drafting tasks.
• Adherence to your company's CAD standards and layering.
• Cost-effective solution for documentation and permit sets.

Sustainable & Green Building Design (LEED/BREEAM)

Our certified professionals provide expert guidance and documentation support for projects targeting LEED, BREEAM, or other green building certifications. We assist with everything from system selection to energy performance documentation.

• Navigate the complex certification process with ease.
• Increase property value and marketability.
• Meet corporate or regulatory sustainability mandates.

Computational Fluid Dynamics (CFD) Analysis

For critical environments like data centers, cleanrooms, or atriums, we perform CFD analysis to simulate airflow, temperature distribution, and contaminant transport. This ensures the design will perform as intended under real-world conditions.

• Validate design performance for mission-critical facilities.
• Optimize thermal comfort and air quality.
• Identify and mitigate potential hotspots or dead zones.

As-Built Drawings & Documentation

After construction is complete, we update the original design drawings to reflect any on-site changes, creating a precise set of as-built documents. This provides an accurate record for future maintenance, renovations, and facility management.

• Create a reliable record for building operations.
• Simplify future renovation and fit-out projects.
• Ensure accurate documentation for building handover.

Equipment Selection & Scheduling

Based on load calculations and project specifications, we assist in selecting the right HVAC equipment (AHUs, chillers, boilers, etc.) from various manufacturers. We then create detailed schedules for procurement and installation.

• Ensure equipment is appropriately sized and specified.
• Streamline the procurement process with clear schedules.
• Compare options to find the best value and performance.

Point Cloud to BIM Conversion

For renovation and retrofit projects, we convert laser scan (point cloud) data into accurate 3D Revit models. This creates a precise digital representation of existing conditions to serve as the foundation for your new design work.

• Eliminate manual site measurements and human error.
• Start design work with a perfectly accurate existing conditions model.
• Accelerate the initial phases of renovation projects.

Schematic & P&ID Diagrams

We develop clear and logical schematic diagrams, including Piping and Instrumentation Diagrams (P&IDs), that illustrate system functionality and control strategies. These are essential for installation, commissioning, and maintenance teams.

• Clearly communicate system logic and operation.
• Provide a critical reference for controls contractors.
• Facilitate troubleshooting and maintenance activities.

AI-Powered Design Audits

Leveraging proprietary AI tools, we can audit your HVAC designs for common errors, code violations, and deviations from best practices. This automated quality check catches issues that manual reviews might miss, ensuring a higher quality final product.

• Catch potential issues before they become problems.
• Enforce design standards consistently across all projects.
• Reduce the time required for manual quality control.

Specialized Facility HVAC Design

We provide expert HVAC design for specialized and critical environments, including hospitals and healthcare facilities (with specific air change and filtration requirements), data centers (precision cooling), and cleanrooms (particulate control).

• Access expertise you may not have in-house.
• Ensure compliance with stringent industry-specific regulations.
• Mitigate risks associated with designing critical systems.

Radical Cost Reduction

Cut your operational expenses by up to 60%. We handle all recruitment, HR, IT, and administrative overhead, converting your fixed labor costs into a flexible, predictable operating expense. Reinvest the savings or pass them on to win more competitive bids.

Unmatched Scalability

Instantly scale your engineering capacity from one professional to a full team of 20+ in as little as 48-72 hours. Respond to project wins immediately and scale down just as easily when the work is done, perfectly matching resources to revenue.

Ironclad Data Security

Your intellectual property is non-negotiable. As an ISO 27001 and SOC 2 certified company, we enforce rigorous security protocols, including encrypted data transfer, secure facilities, and binding NDAs with all employees to ensure your designs remain confidential.

Guaranteed Code Compliance

Eliminate rework and compliance issues. Our engineers are continuously trained on international and regional standards, including ASHRAE (USA), CIBSE (UK), and NCC (Australia), ensuring every deliverable meets the required legal and technical specifications from the start.

Mature, Proven Processes

Leverage our CMMI Level 5 appraised processes for predictable, high-quality outcomes. Our structured workflows for communication, project management, and quality assurance mean you get consistent results, every time, without having to manage the day-to-day.

Seamless Workflow Integration

Our team becomes your team. We adopt your tools, standards, and communication protocols (Slack, MS Teams, Asana). With significant timezone overlap and dedicated project managers, we function as a natural extension of your in-house staff, not a disconnected vendor.

Access to Niche Expertise

Stop searching for 'purple squirrels'. Gain immediate access to specialists in complex areas like CFD analysis, sustainable design (LEED/BREEAM), and advanced BIM (LOD 500) without the prohibitive cost of hiring them full-time.

AI-Augmented Efficiency

We embed AI into our workflows to accelerate delivery and improve accuracy. Our tools automate design audits, perform clash detection, and optimize energy models, delivering superior results faster than traditional methods allow.

Total Risk Reversal

Commit with confidence. We offer a 2-week paid trial to prove our value and a free-replacement guarantee if any team member isn't the perfect fit. We take on the risk, so you can focus on the reward.

Discovery & Scoping

We start with a deep dive into your project requirements, technical standards, software stack, and desired outcomes. This ensures we are perfectly aligned on goals, deliverables, and local code requirements before any work begins.

Team Assembly & Vetting

Based on your needs, we handpick a team of engineers, drafters, and modelers with the right skills and experience. You have the opportunity to interview and approve every member, ensuring a perfect fit for your team's culture and technical needs.

Secure Onboarding

Your new team is onboarded into our ISO 27001-certified environment. We set up secure access to your systems, establish communication channels (e.g., shared Slack/Teams channels), and conduct a formal kickoff meeting to finalize workflows.

Execution & Collaboration

Your dedicated team begins work, functioning as a direct extension of your in-house staff. Through daily stand-ups, regular progress reports, and a dedicated project manager, you maintain full visibility and control without the management overhead.

AI-Assisted Quality Assurance

Every deliverable goes through a multi-stage quality control process, combining expert peer review with AI-powered audits. This CMMI Level 5 process ensures accuracy, consistency, and compliance with your standards before it ever reaches you.

Delivery & Continuous Improvement

We deliver the finalized package and gather your feedback to refine our process for future projects. Your team remains available for ongoing support, revisions, or to move directly onto the next project, providing continuous engineering capacity.

"LiveHelpIndia's HVAC team is a critical part of our project delivery. Their Revit models are clean, their calculations are spot-on, and their understanding of system coordination is top-tier. They free up my architects to focus on design, not ductwork."

"The financial impact has been undeniable. We converted a significant fixed payroll cost into a variable expense that scales with our project pipeline. Our margins on design-build projects have improved by an average of 8% since we started working with them."

"I was skeptical about the time difference, but it's actually become an advantage. My team in London leaves comments and markups at the end of our day, and the LiveHelpIndia team has them resolved by the time we log on the next morning. It's like having a 24-hour engineering cycle."

"As a small business, we could never afford this level of talent in-house. Their shop drawings are incredibly detailed and accurate, which has massively reduced errors and waste in our pre-fabrication workshop. It's a total game-changer for us."

"The quality control is what impresses me most. Their CMMI Level 5 process isn't just a certificate on the wall; you can see it in the consistency and accuracy of the deliverables. They catch things we would have missed, saving us time and money downstream."

"Their team's proficiency in Navisworks and Revit is exceptional. The clash detection reports they provide are clear and actionable. They don't just find problems; they propose intelligent solutions, which makes the coordination process incredibly efficient."

Autodesk Revit

The core tool for BIM and creating intelligent 3D models of HVAC systems.

Autodesk AutoCAD

Essential for 2D drafting, detailing, and working with legacy project files.

Autodesk Navisworks

Crucial for aggregating models and performing clash detection to prevent on-site errors.

BIM 360 / Autodesk Construction Cloud

Enables real-time, cloud-based collaboration on Revit models and project data.

Carrier HAP

Industry-standard software for performing accurate heating and cooling load calculations.

Trane TRACE 700 / 3D Plus

A key tool for HVAC system design, load analysis, and energy modeling.

EnergyPlus

Advanced simulation engine for detailed energy modeling and building performance analysis.

ASHRAE Standards

The foundation of US HVAC design, ensuring safety, efficiency, and indoor air quality.

SMACNA Standards

Defines the standards for duct and sheet metal fabrication and installation.

LEED & BREEAM Certification

Expertise in the requirements for achieving green building certifications.

ISO 9001:2015

Proof of a mature, documented quality management system for consistent results.

ISO 27001

Guarantees a certified, high-security environment for protecting client IP.

CMMI Level 5

The highest level of process maturity, ensuring optimized and predictable project outcomes.

Computational Fluid Dynamics (CFD)

Specialized skill for simulating airflow in critical environments like data centers.

Python Scripting (for Automation)

Used to automate repetitive tasks in Revit and other software, increasing speed and accuracy.

What is the typical team size you provide?

Our model is completely flexible. We can provide anything from a single part-time drafter to a fully managed, dedicated team of 20+ engineers, modelers, and project managers. Most clients start with a team of 3-5 professionals and scale from there.

How do you handle software licenses?

We maintain our own licenses for all major software, including Autodesk (Revit, AutoCAD, Navisworks), Trane, Carrier, and more. This is included in our service fee, saving you the significant cost and administrative hassle of purchasing additional licenses yourself.

Can your team work directly in our cloud environment (e.g., BIM 360/ACC)?

Absolutely. This is our preferred method of collaboration. We are experts in cloud-based workflows. Your dedicated team can be granted secure access to your BIM 360, ACC, Procore, or other project management environment to work directly on your models in real-time.

What is your pricing model?

We offer three primary models to fit your needs: 1) Managed Dedicated Team (fixed monthly cost per person for long-term needs), 2) Project-Based (fixed price for a defined scope), and 3) On-Demand Bucket Hours (flexible, pay-as-you-go). We will consult with you to determine the most cost-effective model for your situation.

How do you ensure you understand our company's specific drafting and modeling standards?

The 'Discovery & Scoping' phase is dedicated to this. We review your existing standards, templates, and past project examples. We then create a project-specific execution plan that documents all requirements, which is signed off by you before we begin. This plan becomes the rulebook for our team.

What is the English proficiency level of your engineers?

We have a strict hiring requirement for excellent written and verbal English communication skills. All client-facing staff and team leads have high proficiency, and we provide continuous language training to ensure smooth, clear, and context-aware communication.

What measures do you take to guarantee data security and protect our intellectual property?

Your data security is non-negotiable. As an ISO 27001 and SOC 2 certified organization, we enforce rigorous security protocols, including encrypted data transfer, secure facilities, and binding NDAs with all employees. We ensure your designs remain confidential through both contractual and technical safeguards.

How do you handle time zone differences and ensure timely communication?

We establish significant workday overlap for real-time collaboration and assign professionals with excellent communication skills. By utilizing standard tools like MS Teams, Slack, and Zoom, our team integrates directly into your existing communication workflow, making them feel like a natural extension of your own office.

What if we are not satisfied with the performance of an assigned team member?

We offer a zero-cost, free-replacement guarantee. If any professional is not meeting your expectations, we will quickly transition them out and onboard a replacement, managing the entire knowledge transfer process internally to ensure your project continues without disruption.

Can you provide references or case studies from similar projects?

Yes. We have a proven track record across 100+ countries, including projects for Fortune 500 companies. We can provide detailed, industry-specific case studies that demonstrate our expertise in MEP, BIM, and HVAC engineering to give you full confidence in our capabilities.

Now: AI-Powered Quality & Efficiency

Today, we use AI to supercharge our workflows. Our proprietary models audit designs for compliance with your standards, automate clash detection reporting, and optimize routing for ductwork and piping. This allows our engineers to focus on high-value problem-solving, not repetitive checks.

• Automated Design Audits
• Predictive Clash Highlighting
• Workflow Task Automation

Next: Generative Design & Predictive Modeling

Our R&D is focused on implementing generative design algorithms. Soon, we will be able to input your project constraints (e.g., cost, energy targets, spatial limits) and have AI generate hundreds of optimized HVAC design options in minutes, allowing for true data-driven decision making.

• Generative HVAC System Layouts
• AI-Based Equipment Suggestion
• Predictive Energy Performance Modeling

Future: Autonomous Design & Digital Twin Integration

Looking ahead, our goal is to create a seamless loop between design, construction, and operations. AI will not only help design the system but also integrate with IoT data from the live building to inform future designs and predict maintenance needs, turning the BIM model into a living digital twin.

• Self-Optimizing System Designs
• Predictive Maintenance Scheduling
• Real-time Performance Feedback Loop

Managed Dedicated Team

Ideal for: Firms needing continuous, long-term engineering capacity and maximum integration.

What's Included:

• Full-time, dedicated professionals (40 hrs/week).
• Handpicked team that you approve.
• Seamless integration with your tools and workflow.
• Dedicated project manager and full administrative support.

Project-Based Engagement

Ideal for: Companies with a single, well-defined project requiring a specialized team.

What's Included:

• A complete team assembled for your project's duration.
• Fixed scope, timeline, and deliverables.
• All-inclusive pricing for the entire project.
• Ideal for BIM conversion, large permit sets, or complex analysis.

On-Demand Bucket Hours

Ideal for: Businesses with intermittent, smaller tasks or fluctuating support needs.

What's Included:

• A pre-paid block of hours to be used as needed.
• Access to our entire pool of talent for various tasks.
• Perfect for drawing markups, small revisions, or overflow work.
• Hours are tracked and reported transparently.