Spreadsheets That Break at Scale
We have a different Excel file for every equipment category - humidifiers, rooftop units, VRF sizing. Every update has to be done manually, everywhere.
THE HVAC ENGINEERING PLATFORM
Climahub.ai gives HVAC manufacturers, distributors, and engineering teams a white-label platform to deploy, share, and automate technical calculations - humidifiers, dehumidifiers, UVC disinfection, rooftop units, VRF systems, chillers, hydromodules, and custom modules built to your engineering specification.
No credit card required - Setup in under 10 minutes
Product View: Module Selector
Sidebar module categories
Available modules
X engineering projects completed
Y HVAC equipment categories covered
Multi-tenant, region-isolated architecture
Avg. calculation time: minutes, not hours
HVAC engineering teams lose weeks every year to tooling that wasn't built for the full range of equipment they sell. Here's what we hear from engineers and sales teams every day.
We have a different Excel file for every equipment category - humidifiers, rooftop units, VRF sizing. Every update has to be done manually, everywhere.
Our sales engineers spend 3-4 hours per quote recalculating psychrometric or hydronic conditions by hand. We lose deals because we're too slow.
We send clients a PDF screenshot of a spreadsheet. It doesn't look professional, and we can't brand it - for any product line.
One senior engineer wrote all the calculation logic for a specific system. If they leave, that entire product category has no shared calculation tool.
There's a better way.
No IT department needed. No months-long implementation. Your first calculator - for any HVAC equipment category - goes live in a single afternoon.
01
Create your company account, upload your logo, set brand colors, and configure your product lines - whatever they are. Invite your team and assign roles: admin, engineer, viewer, or client.
Average setup time: 12 minutes
02
Select your module - humidifier, dehumidifier, UVC, rooftop, VRF, chiller/FCU, hydromodule, or a custom module built for your exact equipment. Enter project parameters and get instant, engineering-accurate results. Export branded PDF reports in one click.
PDF reports in 3 seconds
03
Invite clients, distributors, or regional partners to your white-label portal. They use your calculators under your brand - not ours. Collaborate on projects with a shared history of every calculation made, across every equipment category you support.
White-label: your brand, not ours
Purpose-built modules for the calculations that matter, with engineering accuracy validated against industry standards - across every equipment category, not just one.
Core
Select optimal humidifier type, capacity, and placement based on psychrometric parameters and room conditions.
Core
Size dehumidification equipment based on moisture load, airflow, and target humidity setpoints.
Core
Calculate UVC dosage, lamp placement, and airflow exposure time for ASHRAE 241-compliant disinfection systems.
Core
Size rooftop HVAC units for commercial applications - heating, cooling, ventilation, and economizer cycles.
Core
Size VRF indoor/outdoor unit combinations, refrigerant piping, and capacity balancing across zones.
Core
Match chiller capacity to fan coil unit load, water flow rate, and delta-T across hydronic circuits.
Core
Design hydronic systems - pump sizing, pipe diameter, pressure drop, and heat exchanger matching.
Custom
Don't see your calculation type? We formalize bespoke modules to your engineering specification - including bringing in domain-specific engineers when needed - fully integrated into your workspace.
Platform
Manage all calculations across projects, clients, and equipment categories in one place - history, versions, sharing, audit trail.
We formalize custom HVAC calculators to your exact engineering specification - for any equipment category, bringing in specialized engineers on a project basis when the required expertise isn't already in-house. Most custom modules go live in 2-4 weeks.
Structured around manufacturers, distributors, and engineering teams with clear current capabilities and near-term platform value.
What's already built:
Value we're building toward:
What's already built:
Value we're building toward:
What's already built:
Value we're building toward:
We're onboarding our first cohort of manufacturer and distributor partners. Case studies will be published as projects go live.
Start small and scale when you're ready. All plans include core calculations and PDF export.
$99 / mo$79 / mo
Most Popular
$299 / mo$239 / mo
CustomCustom
Yes. You can upgrade or downgrade at any time, changes apply on the next billing cycle.
Any calculation logic outside core modules. We scope, build, and integrate it into your workspace.
Yes. All plans start with a 14-day free trial with no credit card required.
Get Started Today
Join teams that replaced scattered Excel files across every product category with a unified, branded calculation platform. Start your 14-day free trial - no setup fees, no contracts.