Blue Sky Homes works with homeowners across Scottsdale, Paradise Valley, and Arcadia who are trying to make sense of HERS rated homes as part of their decision-making process.
Here are five things worth knowing before you start comparing scores.
1. A Lower Score Isn’t Always a Fair Comparison Across Different Homes
When Comparing HERS Rated Homes in Phoenix, looking at the number alone may not provide enough context. HERS scores are calculated relative to a reference home, so factors such as the home’s size, configuration, and energy-related systems should also be considered.
When comparing scores, it helps to understand the characteristics of the homes being evaluated rather than assuming that two homes with the same score will have identical absolute energy use.
2. The Rating Reflects Projected Performance, Not Guaranteed Results
HERS rated homes in Phoenix receive a score based on modeled performance combined with on-site testing, but actual energy use still depends on how a home is used day to day, including thermostat settings and occupancy patterns.
A strong HERS score indicates strong potential performance, though homeowner behavior still plays a role in actual outcomes. This is an important distinction when comparing one property with another.
3. Not Every Builder Uses the Same Certified Rater
The quality and consistency of the rating process depend on certified professionals conducting the assessment according to established standards.
When Comparing HERS Rated Homes in Phoenix, it’s worth asking which rating company was used and whether comparable testing procedures were followed across the homes being evaluated. This adds useful context beyond simply looking at the final score.
4. A Good Score Depends on More Than Just Insulation
Homeowners sometimes assume strong HERS scores come primarily from insulation alone. In reality, performance reflects several parts of the home working together, including insulation, air sealing, window performance, HVAC efficiency, and ductwork quality.
A home strong in one area but weak in another may not achieve the performance homeowners expect, which is why an integrated approach to building science matters more than any single feature.
Homeowners also researching green building certification Arizona options should understand that a HERS score and broader green certification are not necessarily the same thing. HERS focuses specifically on measurable home energy performance, while broader certification programs may evaluate additional sustainability factors.
5. The Score Is a Starting Point for Questions, Not the Final Word
When evaluating HERS rated homes in Phoenix, the score itself should prompt further questions rather than stand alone as a complete picture.
Ask what specific measures contributed to the score, whether blower door and duct testing were performed, and how the builder approaches performance on homes without formal HERS testing as well.
The RESNET HERS Index provides additional context on how the rating system measures home energy performance and how certified raters participate in the process.
How Blue Sky Homes Builds With This in Mind
Blue Sky Homes uses an integrated building science approach on every project. Insulation, air sealing, properly sized HVAC systems, efficient windows, and ductwork work together to improve overall performance.
This whole-home approach also helps homeowners compare HERS performance with green building certification Arizona programs. Different systems may measure different aspects of energy efficiency and sustainability.
Questions Worth Asking Your Builder
Before Comparing HERS Rated Homes in Phoenix from different builders, ask directly whether HERS testing is standard practice, which certified rater is used, and what typical scores their homes achieve.
A useful comparison should also include questions about insulation, air leakage, HVAC sizing, duct performance, windows, and other building systems that influence the final rating.
For additional perspective on residential energy assessments, the U.S. Department of Energy Home Energy Score demonstrates why standardized energy information can help homeowners compare the energy-related characteristics of different homes.
Why This Matters for Your Decision
Understanding these differences helps homeowners make informed comparisons instead of relying on a single number without the context needed to interpret it.
This is especially useful for buyers comparing energy efficiency with green building certification Arizona options. Different ratings and certifications serve different purposes. Knowing what each measurement actually represents helps keep the comparison focused on the performance factors that matter to you.
Blue Sky Homes’ Commitment to Verified Performance
Blue Sky Homes earned recognition as Best Sustainable Builder in Arizona for two consecutive years. This recognition reflects the company’s consistent use of building science principles across its Signature Home and Build-to-Suit projects.
The goal isn’t simply to achieve a strong number. It’s to build a home where the systems behind that number work together to support comfort, efficiency, and long-term performance.
Ready to Talk Through the Details?
If you’re Comparing HERS Rated Homes in Phoenix, Blue Sky Homes can help you understand what the numbers really mean. We’re happy to walk through the details with you.
Contact Blue Sky Homes or call 480.900.7202 to schedule a consultation. You can also visit us at 4455 East Camelback Rd, D275, Phoenix, AZ 85018. Let’s talk about what a strong score really looks like.
