SensorHubb vs 608Log

Monitor and control your SecureTemps temperature and humidity sensors' data and alerts as they occur. Stay on top of your perishable assets to protect your investment and your customers.

The only iOS app built for EPA 608-certified HVAC technicians that generates signed, legally-compliant service records — right on the job site. AIM Act ER&R COMPLIANT — 2026 UPDATE The AIM Act expanded mandatory refrigerant logging to all systems with 15+ lbs of HFC (R-410A, R-454B, R-32, R-134a). That's thousands of rooftop units that weren't covered before January 1, 2026. 608Log handles the new threshold automatically — correct calculations, correct forms, no guesswork. WHAT EVERY TECH NEEDS ON EVERY CALL • Signed EPA compliance PDF — generated on your phone before you leave the roof • Customer signature capture — on-device, attached to every record • Auto-calculated leak rates — based on your system's full charge, every time • Repair deadline tracking — push notifications at 7 days and 2 days before your 30-day EPA clock runs out • Email record to customer — one tap after saving, satisfies the ER&R owner-notification requirement • iCloud sync — your records are on every device and accessible on demand for any inspector 7 FREE FIELD TOOLS — ALWAYS FREE • Pressure-Temperature chart (all major refrigerants) • Superheat & Subcooling calculator • A2L charge limit calculator (R-454B, R-32) • Airflow / Delta-T calculator • Electrical — capacitor & amp draw • Fixed orifice superheat • R-22 / R-404A / R-410A retrofit guide EPA violations cost up to $70,000 per day. One missing record is one violation. 608Log turns a 10-minute paperwork headache into a 3-minute step you complete before you pull off the lot. FREE PLAN — NO CREDIT CARD REQUIRED • 15 service logs per month • Full EPA compliance PDFs with signature • All 7 field tools • iCloud sync across all your devices 608LOG PRO — $9.99/MONTH OR $99.99/YEAR • Unlimited logs — no monthly cap • Invoice generation — professional PDF invoices from any service record • Unlimited maintenance scheduling — filters, belts, capacitors, coil cleaning • Company branding — your logo on every PDF and invoice • Repeat Job — one tap pre-fills from your last visit • 14-day free trial, cancel anytime BUILT FOR THE FIELD Works offline. No cell signal on the roof? Log the job anyway — syncs when you're back on the truck. Barcode scan equipment serial numbers directly from nameplates. Your EPA cert number prints on every record automatically. Covers 40 CFR §82 (Section 608), 40 CFR §84 (AIM Act ER&R), California CARB RMP 14-day repair window, and industrial process 120-day extended deadlines. 3 years of records. One app. Zero violations.Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/