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Nathan Coelho

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Nathan Coelho is VP of Engineering at Master Spas LLC.

Spas
One Goal, Two Standards: How PHTA-6 and UL 1563 Were Harmonized
A look at how industry collaboration brought PHTA-6 and UL 1563 into alignment, creating clearer roles for portable spa construction, certification and installation.
September 24, 2026
Modern hot tub installed on a concrete patio beside a contemporary home with dark siding and large glass doors
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Top Stories
Busy trade show floor with blue-branded booths, attendees, interactive displays, and yellow umbrella installation.
Trade Shows
Why Pool & Spa Trade Shows Still Matter
How to make the most of your next trade show by looking beyond the booths and embracing new opportunities.
Modern luxury home with infinity pool, fire pit seating area, and contemporary stone architecture at sunset
Builder
2026 Awards of Excellence: Merit Winners (Part 2)
Man in brown jacket standing at indoor swimming pool edge with lane dividers visible
Commercial
Taking a Hero's Leap Into Commercial Pool Construction
Luxury backyard pool with stone patio, ambient lighting, and 2026 Awards of Excellence merit badge
Awards
2026 Awards of Excellence: Merit Winners (Part 1)
Six team members in casual work attire standing together by a residential swimming pool on a sunny day
Builder
Builders and Service Professionals Find Common Ground