Grainger KnowHow® delivers equipment guides, business operations tips and safety information, explores industry trends and introduces people who get the job done.

Equipment

How to Choose Label Printer Supplies

Equipment

Understanding DEF and Fleet Maintenance

Safety

Safety Management

5 Strategies to Reduce Workplace Noise

Equipment

Building Maintenance

Manage the Incandescent Light Bulb Ban

EDITOR'S PICKS

Equipment

What is MERV Rating?

Learn about air filter MERV ratings and use our handy chart to understand which rating is appropriate for your air quality needs and HVAC system.

5/4/23

EQUIPMENT

5 HVAC Emergencies and How to Avoid Them

8/19/25

EQUIPMENT

HVAC Winter Prep & Maintenance

9/23/25

EQUIPMENT

What to Do When Water Meets Your HVAC System

7/31/24

OPERATIONS

4 Key Questions About Zoned HVAC

9/23/25

What KnowHow Are You Looking For?

MOST RECENT

SAFETY & HEALTH
OPERATIONS
EQUIPMENT
TRENDS
PEOPLE

Safety Management

OSHA Top 10 Violations: 2025

OSHA's annual list of most-cited standards offers valuable guidance on where companies might focus their safety compliance efforts.

10/13/25

PPE in the Workplace

PPE for Extreme Conditions: Ensuring Comfort and Safety in All Types of Weather

Learn more about the different types of specialized PPE designed to keep workers comfortable and safe in challenging environments.

10/06/25

Safety Management

How to Avoid 7 Common Electrical Hazards at Work

Workers are often unaware of the potential electrical hazards in their work environment, putting them at risk for electrocution. Learn how to avoid 7 common electrical hazards at work.

09/05/25

Building Maintenance

How to Clean and Remove Concrete Stains

Whether cleaning a concrete driveway or tackling stains in a garage, using the right cleaning supplies can help concrete look its best.

10/01/25

Building Maintenance

Four Key Questions About Zoned HVAC

How can building managers make sure HVAC systems deliver the right temperatures and ventilation to different areas of a building serving different purposes?

09/23/25

Building Maintenance

Integrated Pest Management: Preventing Rodent Infestations in Your Facility

Learn how an integrated pest management plan can help prevent rodent infestations in facilities and quickly resolve issues when they arise.

09/18/25

Equipment

Don't Blow It: 3 Common Fuse Mistakes

10/14/25

Equipment

Industrial Lubricants: Types, Uses and How to Spot Problems

Learn how to select the best lubricant for your application. This guide explains lubricant types, NSF ratings, and key maintenance tips to help reduce friction, energy costs, and unexpected downtime.

10/09/25

Equipment

Caulking vs. Sealants: What Facility Managers Need to Know

Find out when to use caulk vs. sealants. Learn about materials, performance and get maintenance tips to help boost energy efficiency, prevent damage and keep your facility compliant and safe.

10/03/25

Industry Trends Articles

Video: Inventory Management Pros on Trends in the Field

Industry professionals in inventory management and procurement discuss trends they are seeing in their field during the 2024 Grainger Show in Orlando, Florida.

07/10/24

Industry Trends Articles

EH&S Professionals Discuss Workplace Safety Trends

Industry professionals in environmental health & safety discuss trends they are seeing in workplace safety during the 2024 Grainger Show in Orlando, Florida.

07/01/24

Industry Trends Articles

Manufacturing KnowHow, Products and Services You Need

This page includes articles on topics relevant to the manufacturing industry, and introduces the many services and product categories Grainger offers to serve manufacturing operations.

06/18/24

Case Studies

Case Study: Carnival Cruise Lines Finds Smoother Sailing with Grainger

Carnival Cruise Lines worked with Grainger Consulting Service to dramatically improve digital purchasing and completely remake a storeroom at one of its ports.

07/18/25

Case Studies

Case Study: Grainger Supports Cubs’ Warehouse Consolidation

See how Grainger helped the Cubs cut retrieval time, stay organized and bring warehouse ops closer to Wrigley for greater efficiency.

05/19/25

Inspiration

How It's Done: Teddy Bears

One homemade teddy bear, crafted by an entrepreneur for his son in 1981, grew directly into the company known as Vermont Teddy Bear. Based in Burlington, the company manufactures about 200,000 bears annually and guarantees them for life. Cathy Carlisle, the company’s director of manufacturing, shares more here about the process of manufacturing a teddy bear.

01/03/25

Popular KnowHow For You

PERPAREDNESS

Mold vs. Mildew: What's the Difference?

Mold and mildew are both fungi caused by excess moisture, but they differ in appearance, health risks and how they spread. Learn how to identify, prevent and treat mold and mildew to help protect your facility and the people in it.

9/5/25

SAFETY

How Much Do You Really Know About PPE?

Take this interactive, 10-question quiz to see just how much you know about common PPE topics.

5/2/24

VIDEO

PEOPLE

Our Product Specialists Answer Common Questions

In these videos, Grainger Technical Product Specialists share answers to common questions.

5/24/24