API of NH & Delta T Distributors

When it comes to spiral duct, you shouldn’t have to choose between speed and quality. So we make sure you get both!

Our team knows how to deliver consistent, clean, reliable spiral and double wall spiral ductwork every single time.

Stock sizes from 3–24" ship fast, and anything bigger is made to order. Insulation options, perforated or solid inner wall, flanged or not — we’ll build it exactly how you need it.

If you’ve been burned by long lead times before, consider this your upgrade.

From specialty rebates to luxury incentive trips, our dealers enjoy VIP perks!

Learn more about joining this exclusive group of pros when you ask your Territory Manager for details today.

When the air outside begins to compare to the smoking section of a 1980s IHOP ... we have the exact products your customers need.

Join us tomorrow for an exclusive training session featuring guest speaker Jeffrey Nowell!

Learn all about the IDS Edge Max Side Discharge systems, pick up essential installation tips, explore our latest inventory and have your questions answered in real-time.

📅 Wednesday, July 22 | 7:30-9:30 a.m.
📍 190 Zachary Rd., Manchester, NH

Busy season is here! Stock up and stay ahead.

Every job has at least one curveball. But that’s why we lean into the custom work most shops won’t touch!
Round, square, welded, heavy gauge … our fabrication team and machinery are built for precision, tough specs and tight timelines. We also handle the accessories that keep your system safe and compliant: fire/smoke dampers, louvers, access doors and more.
If you can sketch it, we can fabricate it. Then we’ll deliver and install it so your team can focus on what they do best.

Mislabeling a refrigerant cylinder causes more headaches than almost anything else on a job.

Four seconds with a marker saves four hours of problems.

AprilAire solutions help contractors go beyond the thermostat – cleaner air, balanced humidity and whole-home purification that customers feel the moment they walk in. 🍃

Get your solutions at shop.apiofnh.com

Weekend calls don't wait for Monday deliveries.

Load the common parts Friday. Your Saturday self will appreciate it.

Troubleshooting a refrigerant leak detector malfunction on an LG unit doesn’t have to slow you down.

Save this guide for your next service call for a quick diagnostic flow.