7 free tools · HVAC maintenance checklist

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One product, three jobs

Price the job. Send the quote. Keep the record.

Load, duct and flat rate math built in. Every answer becomes a quote, an invoice or a service agreement.

CoilDesk Pro is $49 per month for your whole team, billed monthly.

7
free tools
HVAC only
Tools

The tools, free and open

Free to use. No account, no card, no trial clock.

Toolsanswers they give backFree tools, on the worked example
HVAC maintenance checklist Build the checklist for a tune up or a full annual service, with the time and cost of the visit. 68 Checklist items Free tools
HVAC invoice software Raise a service invoice: call out fee, labor, marked up parts, tax, and the balance due. $812.38 Balance due Free tools
HVAC service agreement template Price a maintenance agreement: what the visits cost you, what the discount costs you, and what to charge. $800 Annual plan price Free tools
HVAC quote software Price a whole install as a quote: equipment, materials, labor, permits, markup, tax and the deposit. $10,634.50 Quote total Free tools
HVAC trunk line calculator Turn tonnage into CFM, then into the trunk and branch sizes that carry it quietly. 1,200 Total airflow, CFM Free tools
HVAC labor rate calculator Build a flat rate price from your own wage, burden, overhead and margin, one task at a time. $523.13 Flat rate price for this task Free tools
HVAC pricing calculator Price a system install from your own costs: size it from the floor area, price the equipment and ductwork, add your labor and margin, and see the number to put on the quote. $15,415.15 Price to quote Free tools

One product, three jobs

Price the work. Paper the work. Keep the record.

  1. The math of the trade, built in

    Load, duct, SEER2 and flat rate figures, computed on the page with sourced constants.

  2. Paperwork customers take seriously

    Every answer becomes a quote, an invoice or a service agreement, with your logo on it.

  3. A record behind every document

    Documents file themselves against the customer and the job. Everything exports.

The answer is yours. Keeping it is CoilDesk Pro.

The answers are free forever. Pro turns them into your paperwork: your logo, no watermark, saved customers and jobs, clean exports.

  • Download as PDF
  • No CoilDesk watermark
  • Save and reopen later
  • Your logo and license on it
  • Appointment reminders emailed to your customers
  • Connect your own Stripe account and get paid online
  • Connect your QuickBooks Online or Xero

Why not just use a field service suite?

Need GPS fleet tracking and a call center? Buy a suite. Need the job priced right and a professional document out the door? That is the product.

HVAC load, duct sizing and flat rate math
CoilDesk The product itself, next to the quote that uses it
A general trades suiteNot what a build-for-every-trade platform is built around
Price for a crew of six
CoilDesk $49 a month, flat, whoever is on it
A general trades suiteThe office plus a fee for every technician you add
Try before an account exists
CoilDesk Every tool computes free, no card, no trial clock
A general trades suiteA demo call and a trial that expires
Built for
CoilDesk HVAC contractors, only
A general trades suiteEvery trade at once

Suite pricing, for the record: Jobber Core is $49 per month billed month to month and includes one user, with each additional user at $29 per month (getjobber.com/pricing, retrieved 2026-08-25). Housecall Pro Basic is $79 per month billed month to month with one user (housecallpro.com/pricing, retrieved 2026-08-25). CoilDesk Pro is $49 per month for your whole team.

Start CoilDesk ProGet CoilDesk Pro, $49 a month