---
title: "HVAC Calculators | XTRAW Tools"
description: "HVAC calculators for BTU, humidity, ventilation, heating, cooling, tonnage, airflow, indoor air quality, and comfort estimates."
url: "https://xtraw.com/tools/calculators/construction-home-calculators/construction-calculators/hvac-calculators"
date: "2026-08-21T02:00:26+00:00"
language: "en-GB"
---

##  [ Ventilation Calculators

 ![Ventilation Calculators category image](https://xtraw.com/images/virtuemart/category/266_ventilation-calculators.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/construction-calculators/hvac-calculators/ventilation-calculators "Ventilation Calculators")

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 # HVAC Calculators

#### Latest Tools

 [ ![HVAC Tonnage Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-hvac-tonnage-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/construction-calculators/hvac-calculators/hvac-tonnage-calculator "HVAC Tonnage Calculator")  new

## [HVAC Tonnage Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2453&virtuemart_category_id=264&Itemid=173)

 Calculate required HVAC tonnage for a home or commercial ...

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 [ ![Cooling BTU Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-cooling-btu-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/construction-calculators/hvac-calculators/cooling-btu-calculator "Cooling BTU Calculator")  new

## [Cooling BTU Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2452&virtuemart_category_id=264&Itemid=173)

 Estimate cooling BTU needed for a space based on area, ...

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 [ ![Heating BTU Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-heating-btu-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/construction-calculators/hvac-calculators/heating-btu-calculator "Heating BTU Calculator")  new

## [Heating BTU Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2451&virtuemart_category_id=264&Itemid=173)

 Estimate BTU/hr needed to heat a space based on area and ...

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#### Products

 [ ![Room BTU Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-room-btu-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/construction-calculators/hvac-calculators/room-btu-calculator "Room BTU Calculator")  new

## [Room BTU Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2450&virtuemart_category_id=264&Itemid=173)

 Estimate BTU capacity needed to heat or cool a room. Use ...

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