B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
20%
20% -- upsell opportunity lift for HVAC maintenance & service customers (2026)
Focused retention and service excellence can increase on-site upselling opportunities by 20% to 40%.
- Reported as a range of 20% to 40%
- Secondary citation of McKinsey research without specific report date or methodology
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
20%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
McKinsey
Primary
Tier C
https://www.whatconverts.com/blog/hvac-leads-only-look-expensive-how-to-prove-a-17x-roi-using-true-c… ↗
Source Article
Undervalued? How to Prove a 16x HVAC ROI with True CLV
Original Research
McKinsey
· Original study ↗
Methodology
Range of 20% to 40% reported; midpoint (30%) extracted. Attributed to McKinsey research on focused retention and service excellence increasing on-site upselling opportunities; specific report not identified or dated.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
HVAC maintenance & service customers: 20% upsell opportunity lift. Source: McKinsey (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mckinsey-upsell-opportunity-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/mckinsey-upsell-opportunity-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20%</strong> -- upsell opportunity lift for HVAC maintenance & service customers<br><small>Source: McKinsey (2026) · <a href="https://lighthousedata.io/data/mckinsey-upsell-opportunity-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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