Spreadsheets That Break at Scale
We have 14 different Excel files for humidifier selection and every update is manual.
The HVAC Engineering Platform
Engineering-Grade HVAC Calculations.
One Platform. Your Brand.
Climahub.ai gives HVAC manufacturers, distributors, and engineering teams a white-label platform to deploy, share, and automate technical calculations.
No credit card required · Setup in under 10 minutes
Live Platform Preview
Humidifier Selection
Airflow
5000 m3/h
Target RH
55%
Inlet Temp
20 C
Result
Ready for PDF export
500+ engineering projects completed
12 countries
30+ HVAC product lines covered
< 2 min average calculation time
Sound Familiar?
HVAC engineering teams lose weeks every year to tooling that was never built for them.
Endless Recalculations for Every Quote
Sales engineers spend hours recalculating psychrometric conditions and lose deals on speed.
No Professional Reports for Clients
Sending spreadsheet screenshots hurts trust and does not represent our brand.
Knowledge Locked in One Engineer
If one expert leaves, all internal calculation logic becomes a risk.
There is a better way.
Up and Running in Three Steps
No IT department needed. Your first calculator can go live in a single afternoon.
01
Set Up Your Workspace in Minutes
Create your company account, upload your logo and brand colors, and invite your team with role-based access.
Average setup time: 12 minutes
02
Run Calculations and Export Reports
Choose a module, enter project parameters, and generate engineering-accurate results with branded PDF exports.
PDF reports in under 3 seconds
03
Share Access and Collaborate
Invite clients and partners to your white-label portal and keep a complete history of each calculation.
White-label ready: your brand, not ours
Built for Every HVAC Calculation Your Team Faces
Purpose-built modules with engineering accuracy validated against industry standards.
Core
Humidifier Selection
Select optimal humidifier type, capacity, and placement from psychrometric parameters.
Core
UVC Air Disinfection
Calculate dosage, lamp placement, and airflow exposure time for ASHRAE-aligned systems.
Core
Rooftop Unit Sizing
Size rooftop units for heating, cooling, ventilation, and economizer operating modes.
Core
Hydromodule Engineering
Design hydronic systems including pump sizing, pressure drop, and exchanger matching.
Custom
Custom Calculator Development
Need a specific engineering workflow? We build bespoke modules for your calculations.
Platform
Project Dashboard
Track history, versions, sharing, and audit trail for projects and client teams.
Need a calculation that is not on the list?
Most custom HVAC modules are delivered in 2-4 weeks and integrated into your workspace.
500+
Projects Completed
12
Countries Active
30+
Product Lines
<2 min
Avg. Calc Time
How HVAC Teams Use Climahub.ai
Industrial Humidifier Manufacturer
Challenge: Sales engineers spent 3-5 hours per quote across multiple product lines.
Solution: Deployed Humidifier Selection as a white-label portal for sales and distributors.
- • Quote time reduced from 4 hours to 25 minutes
- • 3x more quotes processed per week
- • Distributors became independent from support
Regional HVAC Distributor
Challenge: Each branch used separate Excel formulas, causing inconsistencies and warranty risk.
Solution: Standardized branches on centrally managed Climahub modules.
- • Zero formula discrepancies across branches
- • 2,400+ calculations stored in one archive
- • New engineers onboarded in one day
MEP Engineering Consultancy
Challenge: Calculations were siloed on laptops with no audit trail or version history.
Solution: Migrated workflows to shared projects with team roles and permissions.
- • Full audit trail for every calculation
- • Eight engineers collaborated in one workspace
- • Client-facing reports stayed fully branded
"Before Climahub, only one engineer could run proper humidifier selections. Now the whole sales team completes calculations in under 30 minutes."
Trusted by HVAC Companies in 12 Countries
SOC 2 Type II ReadyASHRAE-Compliant Workflows99.9% Uptime SLAGDPR Compatible
Simple, Transparent Pricing
Start small and scale when you are ready. All plans include core calculations and PDF export.
Starter
$99 / mo$79 / mo
- • Small teams and individual engineers
- • Up to 3 users
- • 2 core modules
- • No
- • Climahub branded
- • 10 active projects
- • No
- • API: No
- • Email support (48h)
Professional
Most Popular
$299 / mo$239 / mo
- • Manufacturers and distributors with active sales teams
- • Up to 25 users
- • All 4 core modules
- • Custom logo and brand colors
- • Fully branded PDF reports
- • Unlimited projects
- • Add-on available
- • API: Yes
- • Email + Chat (4h)
Enterprise
CustomCustom
- • Large multi-brand organizations
- • Unlimited users
- • All modules + custom
- • Full white-label + custom domain
- • Fully branded
- • Unlimited projects
- • Included
- • API: Yes
- • Dedicated CSM + SLA
Why Climahub is an Investment, Not an Expense
- • One avoided calculation error can cost more than one year of Climahub
- • At 3 hours saved per quote, Professional can pay back in week one
- • Branded reports increase trust compared to spreadsheet screenshots
Can I switch plans later?
Yes. You can upgrade or downgrade at any time, changes apply on the next billing cycle.
What counts as a custom calculator?
Any calculation logic outside core modules. We scope, build, and integrate it into your workspace.
Do you offer a free trial?
Yes. All plans start with a 14-day free trial with no credit card required.
Get Started Today
Your HVAC Calculations Deserve
Better Than a Spreadsheet.
Join HVAC teams that replaced scattered Excel files with a unified, branded calculation platform.
Start Free Trial - 14 Days Free
No credit card required · Cancel anytime · Full access for 14 days
- or -
Rated by HVAC engineers - Finally, a tool built for us.