CORE Service vs AQ Installer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CORE Service
This app provides a wireless interface for commercial HVAC technicians to control and service specific Lennox rooftop units. It offers guided setup, enhanced testing, and parameter configuration to streamline the service process.
- Wireless mobile service app
- Guided setup with progress indicators
- Enhanced test functionality
- Real-time sensor readings and trending
- Parameter configuration
- Exportable setup summaries
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This app is the interface for the Lennox® CORE Unit Controller in Model L (L*M), Enlight (L*T), Xion (L*X) and Strategos (S*H) Commercial Rooftop Units. You must be within 25ft of a unit to connect and utilize this app. The Lennox® CORE Control System reinvents the service process in the palm of your hand with a wireless mobile service app, making setup and service faster than ever before. This app is intended for commercial HVAC service technicians to interface with CORE Unit Controller equipped unitary packaged rooftop units. App Features: - Guided Setup with progress indicators, detailed help, and exportable summaries drive simple and trouble-free setup, reducing commissioning times over similar systems. - Enhanced Test Functionality provides real-time sensor readings, trending, and reports that enable easy troubleshooting. - Ability to set and configure parameters of the CORE Control System drive tailored sequences of operation and make the CORE Unit Controller the most flexible Lennox has to offer.
AQ Installer
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AQ Installer is the professional installer’s tool for setting up and managing Xcspec Air Quality thermostats in large-scale environments such as schools, factories, and office buildings. Built specifically for industrial and commercial use, the app simplifies attaching to the device and configuring all the climate and ventilation controls through your mobile app Allows installers to quickly assign a device specific label and synchronize time with their mobile device. Quickly configure the thermostat ventilation and heating/cooling parameters. Set up Schedules with our easy to use Picker. Easily configure the unit onto any IEEE802.b/g/n Wi-Fi network to enable communications with our cloud. Confirm settings and operation on the Live Data Page.
Screenshots
Verdict
CORE Service and AQ Installer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CORE Service ships an update every 3 months, AQ Installer every 4 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.
| Parameter | CORE Service | AQ Installer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (19 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 47 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Lennox Industries | XCSpec |
In-app purchases
CORE Service
No in-app purchases
AQ Installer
No in-app purchases
Questions
Is CORE Service free?
Is AQ Installer free?
Do CORE Service or AQ Installer have ads?
Which is updated more often, CORE Service or AQ Installer?
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