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HVAC Estimate Calculator showing an instant replacement estimate

HVAC Estimate Calculator

A free instant-quote calculator for HVAC websites. Visitors get a ballpark replacement price in seconds, and you get the lead in your CRM.

“How much is a new AC?” Answer it before they call someone else

Homeowners shopping for a new system want a number before they book a visit. Most HVAC sites make them call or fill in a contact form to get one. HVAC Estimate Calculator gives them an instant, honest ballpark from three simple questions: home size, system type and efficiency. When they want the full quote, their details go straight into your CRM.

Instant estimate range

A low, typical and high installed price, plus a recommended system size in tons.

Your prices, not ours

Set your own rate per square foot for AC only, AC + furnace and heat pump. Your pricing →

Leads in your CRM

Name, email and phone become a tagged contact, with the estimate attached. Leads →

Free

No subscription and no per-lead fees. Install it and use it on as many pages as you like.

Set up in five minutes

1. Install

Install it on the sub-account. A ready-made calculator is waiting for you when you open the app.

2. Set your rates

Enter your own pricing, then pick a theme and headline.

3. Add it to a page

Drag the HVAC Estimate Calculator element onto any funnel or website page.

The HVAC Estimate Calculator editor with a live preview

Built for agencies with HVAC clients

Install it on each HVAC client’s sub-account and give every client an instant-quote tool that feeds their pipeline. Each captured lead is tagged hvac-calculator, so one workflow template (text the lead, notify the team, book the visit) works across all of your clients.

Need more than HVAC?

HVAC Estimate Calculator is one calculator from Conversion Toolkit. The full toolkit adds 20+ more calculators (fencing, painting, concrete, financing and more), plus quizzes, spin-to-win wheels, countdown bars and social proof, all with the same lead capture. See Conversion Toolkit →


Estimates are ballpark figures from your own rates. They’re not a binding quote; your final price depends on an in-home assessment.