House Of Quality : Engineering Success Through Voice Of Customer
- Ashish J. Edward
- Apr 13, 2024
- 4 min read
Updated: Oct 25, 2024

The striking image you see might seem like a snapshot from a futuristic sci-fi film or the latest tech powerhouse headquarters. Yet, it's more than just an eye-catching visual—it serves as a compelling gateway into the intricate world of Quality Function Deployment (QFD) and the House of Quality ;). These conceptual masterpieces in business and quality management may not be physical structures, but they are just as foundational and transformative as the impressive edifice in the image.
Dive into this article to explore how these frameworks architect business success and innovation, mirroring the forward-thinking design and purpose of the stunning structure you see before you.
Understanding the House of Quality
Imagine walking into a house designed exactly to your taste, down to the last detail. That's the essence of the House of Quality—it's where customer needs are meticulously mapped out to ensure that the end product feels like a tailor-made suit. This powerful part of the QFD process serves as the foundational matrix where customer requirements are converted into technical descriptors.
QFD: The Big Picture
Quality Function Deployment, QFD, is like a master builder that uses the blueprint from the House of Quality to construct a full-fledged product or service. It doesn’t stop at the 'what'; it delves into the 'how', extending into design, production, and even marketing.
The Core Principle of QFD: Voice of the Customer
At the heart of QFD is the “Voice of the Customer” (VOC). This principle is all about truly listening — to what customers are saying, and just as importantly, what they are not saying. It’s about understanding their needs, desires, and pain points and then systematically translating this understanding into actionable product features and enhancements.
So, let's step inside the QFD and the real House of Quality, a structure built on the foundation of understanding and meeting customer expectations, a blueprint that has guided countless businesses to deliver excellence in an ever-evolving market.

The image above is a blank template of a Quality Function Deployment (QFD) matrix.
Here’s a detailed breakdown of each of the components with the description:

In essence, this matrix is a planning tool that helps ensure a team’s work is clearly aligned with what the customer values.
Lets look at an example for better understanding.
Case Study
A hotel wants to improve its guest satisfaction and decides to focus on key areas based on customer feedback. The feedback has highlighted aspects like comfortable rooms, check-in process efficiency, cleanliness and dining options.

Steps to Build the QFD Chart
What the Customer Needs? (Customer Requirements)
Comfortable rooms
Fast check-in process
Cleanliness
Variety in dining options
Priority (Importance ratings)
Comfortable rooms: 5
Fast check-in process: 3
Cleanliness: 4
Variety in dining options: 3
How to Achieve What Customer Needs? (Technical Requirements)
Quality of beddings
Staff training for efficiency
Daily room cleaning standards
Variety of cuisines offered
Relationship (Matrix showing the strength of relationship)
Comfortable rooms to Quality of beddings (9), to Daily cleaning standards (1)
Fast check in process to Staff training for efficiency (9)
Daily room cleaning to Cleanliness (9)
Variety of cuisines to Dining options (9)
Competitor Analysis (Comparative study, hypothetically assumed)
Bedding quality: Below average compared to competitors
Check-in efficiency: Average
Cleaning standards: Above average
Dining variety: Average
Calculations : Multiple the "Priority Rating" with the number on the "Relationship grid". Calculation (F) sums up the rows and then takes the % contribution of each feild.
Importance : Sums up the rows individually.
Targets (Goals based on benchmarking against competitors)
Improve bedding quality to exceed competitor standards
Enhance staff training for a more efficient check-in process
Maintain high cleaning standards
Diversify dining options to become a market leader
Evaluate our Achievements on these Targets Vs Our Competitors
This would involve tracking improvements and guest satisfaction over time compared to competitors.
Correlation (Interactions between HOWs)
Positive correlations between staff training and bedding quality (faster check-in might lead to happier customers who then perceive room comfort more positively).
This QFD approach helps the hotel management to focus resources on areas that will significantly enhance guest satisfaction. The improvements in these technical areas should be aligned with the customer's rated importance to ensure effective service enhancement.
Relevance of QFD Today
In a tech-driven age, where rapid product iteration and user feedback loops are common, QFD helps organizations:

Stay Focused on Customer Needs : Ensures that product development is aligned with what customers truly want, avoiding the risk of basing designs on outdated or assumed needs.
Enhance Cross-functional Collaboration : Promotes communication between different departments (e.g., marketing, design, engineering), which is essential in agile and fast-paced environments.
Prioritize Features : Helps in prioritizing features based on customer value, which is crucial for managing resources effectively in competitive tech markets.
Reduce Time and Cost : By identifying and eliminating unnecessary features early in the development process, QFD can reduce development costs and time to market.
Synergies with Modern Technologies
QFD can be synergistically used with various modern methodologies and technologies:

Agile Methodology : Agile focuses on iterative development and customer feedback, much like QFD. Integrating QFD in Agile can further enhance focus on customer needs in each iteration.
Lean Startup : QFD can complement the Lean Startup's principle of building a minimum viable product (MVP) that meets customer needs, helping refine product features based on detailed customer insights.
Big Data and Analytics : Utilizing customer data analytics can feed precise customer preferences and needs into the QFD process, enhancing the accuracy of the customer needs identification.
AI and Machine Learning : AI tools can analyze large volumes of customer feedback to identify trends and patterns that can be used in the QFD process to better capture and respond to customer requirements.
As we wrap up our exploration of the House of Quality and Quality Function Deployment, it's evident that these methodologies are crucial for aligning customer expectations with market offerings. QFD stands out by integrating customer feedback directly into product and service development. This structured approach ensures businesses not only meet but exceed customer demands, securing a competitive edge. Through the detailed framework of the House of Quality and the comprehensive process of QFD, companies can effectively transform customer insights into actionable, innovative outcomes.
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