Modern HVAC Workspace
Modern HVAC Design & Estimation Workspace
Calculate, estimate, and close projects faster — Calkom centralizes your HVAC workflow from lead to client-ready proposal in one platform.
A workspace built for HVAC contractors
Designed for the way HVAC teams actually work — calculations, projects, and proposals together, with a modern interface that gets out of your way.
Manual J & sizing made fast
Run residential load calculations and equipment sizing inside the same workspace as your projects — no separate calculators, no copy-paste between tools.
Project workspace
Every job in one place: lead, customer, calculations, files, notes, and history. Your operation stays organized as you scale.
Pipeline visibility
See where every project stands — open leads, active estimates, awaiting approval, closed jobs. Move work forward without losing track.
Proposal builder & PDFs
Generate clean, branded proposals and project summaries from your calculations — ready to send, ready to win.
Calculate. Estimate. Close projects faster.
Calkom replaces scattered spreadsheets, manual PDFs, and disconnected calculators with one modern HVAC workspace — built for contractors who want to operate at a higher level.
Designed for the way HVAC teams work
Calculations, projects, and proposals connected end-to-end — fewer tools, fewer errors, faster closes.
Run residential load calculations and equipment sizing inside your projects — no separate calculators, no copy-paste.
Turn your calculations into clean, client-ready PDFs and project summaries — automatically, on your brand.
One unified flow: Lead → Project → Calculation → Proposal → Client.
Frequently asked questions
Answers to common questions about Calkom — what it does, who it's for, and how it fits into your HVAC operation. Don't see your question? Reach out anytime.