Mechanical Services & Packages
The right mechanical input
at the right time.
Four service tiers structured around what high-performance buildings actually require — from early design advice through to full delivery and commissioning. Passive House consulting available as a premium add-on across any tier.
Service Packages
Mechanical services matched to your project.
Not every project needs the same level of input. Our four tiers scale with your project’s complexity, stage, and performance ambitions.
Build Better
Foundation Mechanical Advisory
Builders and developers wanting practical compliance and comfort guidance without a large consulting commitment.
- 1hr remote consult
- Desktop plan review & design advice
- Summary report & Q&A
- Manual J Performance Report
- 1 consult checkpoint
Enhanced Advisory
Advanced Project Support
Architects and builders on mid-range projects who want thorough mechanical input, documentation, and QA on site.
- Everything in Build Better, plus:
- Full mechanical & ventilation design review
- 2 additional consult calls
- Specification & equipment schedules
- Installer briefing pack
- 1 mid-construction QA site visit
High-Performance Solution
Premium Builds & Ambitious Projects
Architects and premium clients targeting high energy ratings, tight compliance, or superior indoor environments.
- Everything in Enhanced, plus:
- Full mechanical design — concept to documentation
- Early-stage design integration meetings
- Full QA checklist & structured checkpoints
- Client handover education session
- Post-occupancy review (3–6 months)
- 4+ consult checkpoints
Signature Solution
Design to Delivery
Architects, builders, and owners who want a fully managed mechanical scope from first meeting to final sign-off.
- Everything in High-Performance, plus:
- Full HVAC / mechanical design & documentation
- Supply & installation of all mechanical services
- Dedicated project manager throughout
- 3+ site QA visits
- O&M manuals & AT Performance Certificate
Passive House Consulting — available as an add-on
For projects targeting Passive House certification or aiming to meet Passive House standards, Jacob’s expertise as a Certified Passive House Consultant is available across any service tier. Covers thermal modelling, airtightness strategy, HRV/ERV selection, and full Passive House documentation.
Compare Packages
Find the right fit for your project.
| Feature | Build Better | Enhanced | High-Performance | Signature |
|---|---|---|---|---|
| Remote consult | ✓ | ✓ | ✓ | ✓ |
| Desktop plan review | ✓ | ✓ | ✓ | ✓ |
| Manual J Report | ✓ | ✓ | ✓ | ✓ |
| Full design review | — | ✓ | ✓ | ✓ |
| Equipment schedules | — | ✓ | ✓ | ✓ |
| Full mechanical design | — | — | ✓ | ✓ |
| QA site visits | Optional | 1 visit | Multiple | 3+ |
| Supply & installation | — | — | — | ✓ |
| Dedicated project manager | — | — | — | ✓ |
| Post-occupancy review | — | — | ✓ | ✓ |
| Passive House add-on | Optional | Optional | Optional | Optional |
Joining Mid-Project
Joining at any stage.
Closing the gaps.
If you’re switching consultants, picking up momentum, or need expert input for a specific stage — Air Theory can slot in wherever you are. We’ll backfill what’s needed and protect the next milestone.
Missed Connect?
We’ll run a Rapid Discovery to align direction.
Joining at Contract?
We’ll lead with a Design Assurance Review.
Need Commissioning Only?
We’ll audit readiness and verify performance.
Inheriting a Build?
We’ll assess, document, and close out cleanly.
Frequently Asked Questions
Common questions about our services.
When should I engage Air Theory on my project?
+Do I need to know which package I want before I call?
+Can you work with my existing architect or builder?
+What does Passive House consulting involve?
+Do you work on commercial projects?
+What areas do you service?
+Let’s find the right fit for your project.
Book a 30-minute discovery call. No obligation — just a clear conversation about your project and what it needs.
Book a Discovery Call