Fix HVAC.DLL DLL Errors and Download Now

Last Updated: 11/29/2023
[Time Needed for Reading: ~4-6 minutes]

DLL files such as HVAC.DLL are categorized as Win64 DLL (Dynamic link library) files. As a HVAC.dll - HVAC solution file, it was created for use in Microsoft Office 2010 by Microsoft.

HVAC.DLL was first developed on 05/04/2010 for the Windows 10 Operating System in Microsoft Visio Premium 2010 1. On 02/07/2011, version 14.0.6009.1000 was released for Microsoft Visio 14.

In this article, you will find detailed HVAC.DLL information, a DLL file troubleshooting guide, and a list of versions that are available for free download.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	HVAC.DLL
File Extension:	DLL file extension
Description:	HVAC.dll - HVAC solution
Object File Type:	Dynamic link library
File Operating System:	Windows NT 32-bit
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	Microsoft Corporation
Software Program:	Microsoft Office 2010
Legal Copyright:	© 2010 Microsoft Corporation. All rights reserved.

File Details
Character Set:	Windows, Latin1
Language Code:	Neutral
File Flags:	(none)
File Flags Mask:	0x003f
Entry Point:	0xd904
Code Size:	378368

View Other HVAC.DLL Information

File Info	Description
File Size:	583 kB
File Modification Date/Time:	2020:02:21 13:06:03+00:00
File Type:	Win64 DLL
MIME Type:	application/octet-stream
Machine Type:	AMD AMD64
Time Stamp:	2010:10:20 15:55:24+00:00
PE Type:	PE32+
Linker Version:	9.0
Code Size:	378368
Initialized Data Size:	211456
Uninitialized Data Size:	0
Entry Point:	0xd904
OS Version:	5.2
Image Version:	0.0
Subsystem Version:	5.2
Subsystem:	Windows GUI
File Version Number:	14.0.6009.1000
Product Version Number:	14.0.6009.0
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Windows NT 32-bit
Object File Type:	Dynamic link library
File Subtype:	0
Language Code:	Neutral
Character Set:	Windows, Latin1
Company Name:	Microsoft Corporation
File Description:	HVAC.dll - HVAC solution
File Version:	14.0.6009.1000
Internal Name:	HVAC.dll
Legal Copyright:	© 2010 Microsoft Corporation. All rights reserved.
Product Name:	Microsoft Office 2010
Product Version:	14.0.6009.1000
Legal Trademarks 1:	Microsoft® is a registered trademark of Microsoft Corporation.
Legal Trademarks 2:	Windows® is a registered trademark of Microsoft Corporation.

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are HVAC.DLL Error Messages?

Dynamic Link Library HVAC.DLL Errors

HVAC.DLL is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like HVAC.DLL, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like Setup.exe - to follow. These files were created so that multiple programs (eg. Microsoft Visio) could share the same HVAC.DLL file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when HVAC.DLL is attempted to be loaded either when Microsoft Visio is starting up, or in some cases already running. Some of the most common HVAC.DLL errors include:

Access Violation at address - HVAC.DLL.
HVAC.DLL could not be found.
Cannot find C:\Program Files\Microsoft Office\Office14\HVAC.DLL.
Cannot register HVAC.DLL.
Cannot start Microsoft Visio. A required component is missing: HVAC.DLL. Please install Microsoft Visio again.
Failed to load HVAC.DLL.
The application has failed to start because HVAC.DLL was not found.
The file HVAC.DLL is missing or corrupt.
This application failed to start because HVAC.DLL was not found. Re-installing the application may fix this problem.

Your HVAC.DLL file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Visio), or deleted by a malware infection. Furthermore, HVAC.DLL file corruption could be caused from a power outage when loading Microsoft Visio, system crash while loading HVAC.DLL, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix HVAC.DLL Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your HVAC.DLL issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the HVAC.DLL error, please proceed to the Step 2 below.

Step 2: If recently installed Microsoft Visio (or related software), uninstall then try reinstalling Microsoft Visio software.

You can uninstall Microsoft Visio software by following these instructions (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "Uninstall" and press "ENTER".
In the search results, find and click "Add or Remove Programs"
Find the entry for Microsoft Visio 14 and click "Uninstall"
Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Microsoft Visio software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Microsoft Visio 14

Microsoft Corporation

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many HVAC.DLL error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the HVAC.DLL error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your HVAC.DLL File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate HVAC.DLL file version. We maintain a comprehensive database of 100% malware-free HVAC.DLL files for every applicable version of Microsoft Visio. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download HVAC.DLL Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy this file to the appropriate Microsoft Visio folder location:

Windows 10: C:\Program Files (x86)\Microsoft Office\Office14\
Windows 10: C:\Program Files\Microsoft Office\Office14\
Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve HVAC.DLL problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download HVAC.DLL Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying HVAC.DLL to your appropriate Windows system directory. Microsoft typically does not release Microsoft Visio DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing HVAC.DLL and all other DLL files for Microsoft Visio. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Microsoft Visio Premium 2010 1

File Name

Software Version

File Version

Architecture

HVAC.DLL

14.0.4750.0

14.0.4750.1000

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	Microsoft Office 2010
Software Version:	14.0.4750.0
File Version:	14.0.4750.1000
File Size:	349032
File Date:	01/27/2020
MD5 Checksum:	8c8541a2598e982dc1bb12d84cbcaf84
SHA1 Checksum:	9bee8fe9256b6ac45f088347eef4bc0974f1d092
SHA256 Checksum:	c34cfe5a05d3721b561e2c8f12fca775d507ac04d50f6c9b05ed1022e88a10fb
CRC32:
File Directory Location:	C:\Program Files (x86)\Microsoft Office\Office14\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	0.0
Initialized Data Size:	43520
Linker Version:	9.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	5.1
File Modification Date/Time:	01/27/2020

Microsoft Visio 14

File Name

Software Version

File Version

Architecture

HVAC.DLL

14.0.6009.0

14.0.6009.1000

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	Microsoft Office 2010
Software Version:	14.0.6009.0
File Version:	14.0.6009.1000
File Size:	596840
File Date:	02/21/2020
MD5 Checksum:	9cb1795dab38b9cb3e42e6726a87e15c
SHA1 Checksum:	651d733960f4cf8aa71266f4c0db998ea3aa30e4
SHA256 Checksum:	ff96d1b3d604db6024ea6becfc7b94ff27c242cb16d790efb388ba1622c5ebff
CRC32:
File Directory Location:	C:\Program Files\Microsoft Office\Office14\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	0.0
Initialized Data Size:	211456
Linker Version:	9.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	5.2
File Modification Date/Time:	02/21/2020

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Files Related to HVAC.DLL

DLL Files Related to HVAC.DLL

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
FPLACE.DLL	Microsoft Office 2010 component	Microsoft Office 2010 (14.0.6009.1000)	181120	C:\Windows\System32\
hxdsui.dll	Microsoft® Help Data Services Satellite DLL	Microsoft(R) Help 2.5 (2.05.50727.4039)	14664	C:\Users\Tester\AppData\Local\Microsoft\Windows...
api-ms-win-crt-utility...	ApiSet Stub DLL	Microsoft® Windows® Operating System (10.0.17134.12)	11624	C:\Users\Tester\AppData\Local\
UMLSYS.DLL	UML system	Microsoft Office 2010 (14.0.4750.1000)	808784	C:\Users\Tester\AppData\Local\Microsoft\Windows...
vstoee.dll	Visual Studio Tools for Office Execution Engine	Microsoft® Visual Studio® 2010 (10.0.31007.0)	184648	C:\Users\Tester\AppData\Local\Microsoft\Windows...

Other Files Related to HVAC.DLL

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OneX_v1.xsd	XML Schema Definition	Windows Vista	5957	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows XP	15263	C:\Windows\L2Schemas\
LAN_profile_v1.xsd	XML Schema Definition	Windows XP	2241	C:\Windows\L2Schemas\
LAN_profile_v1.xsd	XML Schema Definition	Windows 10	2241	C:\Windows\L2Schemas\
LAN_policy_v1.xsd	XML Schema Definition	Windows 8.1	3472	C:\Windows\L2Schemas\

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