VoIP Phone System

Smarter Communication That Drives Business


If your phones aren't helping you win business, they're just adding noise.ThermoGrid’s fully integrated VoIP system transforms the way your business communicates—turning every call into an opportunity and every conversation into action.


Built-In VoIP That Works for You


This isn’t just another phone system—it’s a powerful operational tool baked directly into your workflow. When a call comes in, ThermoGrid automatically recognizes the number and pulls up the matching customer profile. Your team sees job history, open estimates, past notes, and any active work orders before they even pick up the phone. That means faster responses, better service, and more wins.

Field service dispatcher answering a VoIP call with customer details automatically pulled up on screen
HVAC technician receives VoIP call and SMS on mobile device while heading to a job site using ThermoGrid system

Connected Conversations, Clear Results


No more scrambling for details or flipping between apps. Every call is automatically recorded and stored directly in the relevant job or customer file—keeping your team aligned and your customer experience seamless.





Full Control from One System


ThermoGrid VoIP gives you complete communication control with features built for real-world field service companies:


  • Caller ID with auto-customer lookup
  • Call recording and file attachments
  • Send and receive text messages (SMS)
  • Transfer calls within your team
  • Forward calls to mobile phones in the field
  • Create custom voicemail greetings by department
  • Run three-way conference calls with ease


Whether your team is in the office, on the road, or in the field, everyone stays connected and in sync.

Technician uses three-way call on ThermoGrid app to connect dispatcher and customer from the job site
Office staff reviewing recorded customer call attached to job file in ThermoGrid’s integrated VoIP system

Why It Matters


  • Faster response time = more booked jobs
  • Better visibility = fewer missed opportunities
  • Clear records = better customer service
  • Integrated communication = less stress, more profit


Turn Every Ring Into Revenue


Don’t let outdated or disconnected phone systems cost you time and customers. ThermoGrid’s VoIP system brings everything under one roof—so you can respond faster, work smarter, and close more jobs with confidence.


Ready to Upgrade Your Phones?


Schedule a demo today and see how ThermoGrid’s communication system can simplify your day and sharpen your edge.