HCLHVAC Cost Lab

Updated Jul 26, 2026 · Free with visible attribution

Partner widgets

Put an independent HVAC calculator inside your guide.

Useful for home-improvement publishers, energy educators, contractors, inspectors, and community resources. We host the math; you keep the source link visible.

Ready to embed

HVAC Replacement Cost Calculator

Responsive, no lead form, and calculated in the visitor’s browser.

View full methodology →
<iframe src="https://hvaccostlab.com/embed/hvac-replacement-cost" title="HVAC Replacement Cost Calculator" width="100%" height="820" loading="lazy" style="border:0;max-width:820px" referrerpolicy="strict-origin-when-cross-origin"></iframe>

Ready to embed

Air Conditioner BTU Calculator

Responsive, no lead form, and calculated in the visitor’s browser.

View full methodology →
<iframe src="https://hvaccostlab.com/embed/ac-btu" title="Air Conditioner BTU Calculator" width="100%" height="820" loading="lazy" style="border:0;max-width:820px" referrerpolicy="strict-origin-when-cross-origin"></iframe>

Ready to embed

SEER2 Savings Calculator

Responsive, no lead form, and calculated in the visitor’s browser.

View full methodology →
<iframe src="https://hvaccostlab.com/embed/seer2-savings" title="SEER2 Savings Calculator" width="100%" height="860" loading="lazy" style="border:0;max-width:820px" referrerpolicy="strict-origin-when-cross-origin"></iframe>

Free use is permitted while the visible HVAC Cost Lab attribution remains intact. Results are planning estimates, not contractor quotes or system design.