HVAC Tools / free calculators Comfortable HVAC Services

Free HVAC Tools for Your Website

Add any calculator to your site with a single iframe. No signup, no cost.

Color scheme
BTU Calculator
Open standalone
Embed code
<iframe src="https://jarrencampos.github.io/btu-calculator.html" width="100%" height="530" frameborder="0" scrolling="no" title="BTU Calculator" loading="lazy"></iframe>
Duct Sizing Calculator
Open standalone
Embed code
<iframe src="https://jarrencampos.github.io/duct-sizing.html" width="100%" height="470" frameborder="0" scrolling="no" title="Duct Sizing Calculator" loading="lazy"></iframe>
HVAC Maintenance Reminder
Open standalone
Embed code
<iframe src="https://jarrencampos.github.io/maintenance-reminder.html" width="100%" height="700" frameborder="0" scrolling="no" title="HVAC Maintenance Reminder" loading="lazy"></iframe>

Need professional HVAC service?

These tools are provided by Comfortable HVAC Services — certified technicians for installation, repair, and seasonal maintenance.

Visit comfortablehvacservices.com