What is Attentus?

Attentus, Inc. is a specialized technology consulting firm serving builders, contractors, and property managers in the commissioning, programming, and management of advanced HVAC VRF (Variable Refrigerant Flow) cooling and heating energy apportionment systems.

Leveraging proven solutions from Mitsubishi, Daikin, and LG, Attentus ensures seamless project delivery, ongoing system optimization, and precise tenant billing—empowering multifamily and commercial properties with transparent, fair, and efficient HVAC energy management.

TENANT BILLING

Our advanced monthly billing service accurately verifies tenant cooling and heating  energy usage, generates invoices, and provides billing packages, billing data management and historical ​cooling and heating usage reporting for property managers.

PROJECT MANAGEMENT

We guide electrical and mechanical trades on all aspects of Energy Apportionment projects, including commissioning, remediation, equipment selection and Watt Hour meter procurement for Mitsubishi City Multi, Daikin, and LG VRF systems.

CITY MULTI CONTROLS

Certified experts program, commission and remediate CITY MULTI AE-200/AEC-400 controls networks for seamless HVAC management on a single platform, with ​ expertise in TG2000A support, remediation and upgrades.

What Can Attentus Do For You?

Attentus fills the gap between distributors and you with our unique, tailored services.

What are the services does Attentus provide?
  • Monthly Tenant Billing
  • Mitsubishi City Multi Controls Design, Commissioning & Remediation
  • Central Controller advanced programming & commissioning
  • Over 10 years of historical cooling and heating billing data available for builders, engineers and marketing.
  • Mitsubishi CITY MULTI certified, with expertise in TG2000A support, remediation and upgrades.
What types of report files can I get?

Attentus delivers Excel format reports and invoices in a variety of styles to suit your needs as well as custom formatted CSV files for third-party data imports.

What are some of the typical HVAC controls features?
  • Indoor unit monitoring and operation
  • Customizable operating schedules
  • Error notifications
  • Energy apportionment and trend analytics
  • Maintenance diagnostics
  • Remote heating & cooling control via mobile devices (ICCW, software license required)

What Is Tenant Billing and How Does It Work?

Hint: It's NOT sub-metering, watch video!

Billing Insights

See what reporting format best fits your needs​!