Share of real cases from customers
The Client: Southern Light Hotels – a collection of 5 premium boutique hotels located along New Zealand’s South Island coastline, including properties in Queenstown, Wanaka, and Te Anau. Their rooms feature floor‑to‑ceiling windows overlooking lakes and mountains, and their brand is built on “pure, clean, natural luxury.” They offer a signature candle in every suite – a lavender‑manuka honey scent – as a welcome gift.
The Pain Point: Their previous supplier (an Australian manufacturer) produced candles that burned beautifully in dry inland conditions – but in New Zealand’s humid, coastal environment, the same candles developed heavy soot buildup on the glass jars and emitted a faint grey smoke after 2 hours of burning. Housekeeping reported that 28% of candles had to be replaced mid‑stay because guests complained about smoke odour or black residue on the jar. Worse, 12% of guests mentioned it in post‑stay surveys – dragging their overall satisfaction score from 4.8 to 4.2 stars. The hotel group’s procurement manager, Sarah Te Rei, told us: “I need a candle that survives our humidity – not just looks pretty on arrival.”
Our Solution: We developed a coastal‑climate wax formulation specifically for high‑humidity environments (80%+ RH).
Humidity‑Resistant Wax Blend: We replaced 30% of the soy wax with a high‑melt coconut‑rapeseed hybrid that has a denser crystal structure – this reduces the capillary action that draws excess fragrance oil to the surface, which causes soot in damp air.
Double‑Wicking with Anti‑Smoke Core: Instead of a single cotton wick, we used a dual flat‑braid wick with a paper‑core that creates a hotter, cleaner flame – vaporising fragrance completely and reducing unburned carbon particles.
Humidity‑Tested Production: We ran a pilot batch and burned candles in our environmental chamber at 85% humidity for 6 hours – measuring soot particles with a laser meter. The result: 0.8mg/hour vs. the industry average of 3.2mg/hour in humid conditions.
The Process:
Week 1 – Inquiry (February 10): Sarah sent a formal RFP with her quality requirements – including a maximum soot index of 1.5mg/hour (measured by ASTM D1322). Her previous supplier’s candles scored 3.8mg.
Week 2 – Formulation: Our lab created 4 variants. We shipped 20 sample candles (5 per variant) to Queenstown.
Week 3 – On‑Site Testing: Sarah’s housekeeping team burned each sample in an actual guest suite for 4 hours, with the windows closed and humidifier running. Variant #3 (70% coconut‑rapeseed, dual paper‑core wick) showed 0.9mg/hour – well within her limit.
Week 4 – Approval: She ordered 12,000 candles – 2 scents (lavender‑manuka and citrus‑pine) – for all 5 hotels, with a 6‑month supply.
Production: We ran the order on a dedicated line, ensuring the humidity‑control formula was strictly followed. We included 5 test candles per batch for in‑house burn testing.
Week 8 – Delivery: The shipment arrived via sea to Christchurch, then trucked to each hotel. Sarah’s team installed them in 200 guest rooms.
The Result:
Soot‑related complaints dropped from 28% of candles to 1.7% – a 94% reduction.
Guest satisfaction scores on “in‑room fragrance” rose from 4.2 to 4.7 within 3 months.
Housekeeping replacement costs fell from NZ$4,200 per month to NZ$580 – saving $43,000 annually.
Sarah renewed with us for a 2‑year exclusive contract – 30,000 candles per year.
Why Our Factory Excels in Challenging Climates:
Environmental simulation lab – we test candles at 5 different humidity levels (40% to 90%) to guarantee performance anywhere.
Wick‑engineering expertise – we stock 34 wick types and can select the optimal one for your specific wax and environment.
Post‑delivery monitoring – we send a follow‑up survey to clients in coastal regions and offer free formula adjustments if needed.
For hotel chains like Southern Light, we turn “smoky disappointment” into “pure, clean luxury” – exactly what your 5‑star rating deserves.
