Comparison

EZ Start Plus vs Sierra Comfort Control

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EZ Start Plus

Control your Noritz water heater remotely from your mobile device. Adjust settings, schedules, and perform maintenance tasks like gas conversion with ease.

Highlights
  • Remote operation control
  • Adjust temperature and schedules
  • Unit settings configuration
  • Gas conversion tool
  • Check unit status
  • Operate parts
Features
Read full description

EZ Start Plus allows you to control your water heater of Noritz or supported by Noritz from your mobile device. EZ Start Plus gives you the ability to change the operation and settings of the water heater from mobile device. ・Easy to use  Change operation SW, temperature and recirculation schedule. ・Easy settings for installation  Change the unit settings. ・Easy tools for maintenance  Gas conversion, check the unit status, or operate parts.

About

Sierra Comfort Control

This app allows users to remotely monitor and control their HVAC system, reducing energy costs and ensuring timely maintenance. It provides predictive maintenance alerts, one-touch appointment booking, and diagnostic tools for system health and air quality.

Highlights
  • Remote HVAC monitoring
  • Predictive maintenance alerts
  • One-touch appointment booking
  • System health diagnostics
  • Air quality alerts
  • Real-time system monitoring
Features
Read full description

Reduce the Cost of Ownership Sierra Comfort Control can reduce your HVAC system’s operating costs. It provides precise temperature control, reducing energy usage. This smart thermostat app also ensures you get the services you need when you need them. It incorporates the following innovative features: • Remote monitoring • Predictive maintenance alerts • One-touch appointment booking • Service at the touch of a button A crisp LCD screen ensures all functions are easy to find and use. Is your home not comfortable or are energy costs going up? Use the onscreen service request feature to get prompt assistance from your local HVAC company. Get the Most Out of Your Climate Control System The Sierra Comfort Control app lets you control and monitor temperature, fan speed, and other functions via the main control panel or a smartphone. The future of home comfort and on-demand service, it delivers benefits including: • Smart Notifications: Receive instant notifications on changes in system performance so you can be proactive with maintenance. • Real-Time Monitoring: By monitoring the health of your HVAC system, Sierra Comfort Control can provide predictive maintenance alerts, which can prevent downtime and increase equipment lifespan. • Service Alerts: Receive notifications of service reminders, membership renewals, and more. Even receive custom messages from your HVAC provider. • Diagnostic Tools: An overview of system health and air quality are available at the touch of a button, at no extra cost. • System Health and Air Quality Alerts: If a problem with your climate control system or an indoor air quality issue is detected, you and your service provider will be automatically notified. Quick and Simple Installation The convenience of a Sierra Comfort Control thermostat begins even before you start using it. Swapping out an old unit is simple. A technician removes the old thermostat, mounts the new one, and connects the wiring. They’ll even help you set up the app. The new model’s settings are adjusted to meet your climate control requirements. It provides an instant response so you experience immediate comfort. Settings from the old thermostat instantly transfer over using the serial numbers of both units, so the process is fast, simple, and convenient. Forge an Instant Connection with Your HVAC Provider The Sierra Comfort Control thermostat and app display your HVAC company’s logo onscreen. Their help is available at the touch of a button, so you can put your trust and confidence in a local contractor. It’s not just a modern thermostat. Sierra Comfort Control is a direct link between you and your AC/heating services provider. Be a Part of the NuveNetwork Nuve has partnered with local HVAC companies so you benefit from new services and smart technologies. Real-time access to your system allows contractors to quickly diagnose and resolve system issues. This can result in fewer emergency calls and in-home visits, so you can save time and money. Get Started Today Getting a Sierra Comfort Control thermostat and app is easy. Once you’re ready, a representative will contact you and schedule an appointment. Visit the App Store or contact your HVAC dealer to learn more.

Screenshots

EZ Start Plus4 screens
Sierra Comfort Control4 screens

Verdict

The call

The clearest difference is rating: Sierra Comfort Control at 4.0 against EZ Start Plus's 2.0. Sierra Comfort Control also leads on update cadence (every 3 months vs every 7 months) and iOS requirement (13.0 vs 17). EZ Start Plus's advantage is ratings volume (12 vs 3). On price, review sentiment, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Sierra Comfort Control holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 12 and 3 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

EZ Start Plus ships an update every 7 months, Sierra Comfort Control every 3 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
EZ Start Plus versus Sierra Comfort Control: the parameters behind the verdict, then further details
ParameterEZ Start PlusSierra Comfort Control
PriceFreeFree
Rating2.0 (12 ratings)4.0 (3 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings12 — better3
Update frequencyEvery 7 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS1713.0 — better
Further details — not scored
Size32 MB62 MB
Age rating17+4+
DeveloperNORITZ CORP.Nuve Home

Customer experience

EZ Start Plus

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Sierra Comfort Control

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

EZ Start Plus

No in-app purchases

None

Sierra Comfort Control

No in-app purchases

Questions

Is EZ Start Plus free?
EZ Start Plus is free to download, with no in-app purchases.
Is Sierra Comfort Control free?
Sierra Comfort Control is free to download, with no in-app purchases.
Which has better reviews, EZ Start Plus or Sierra Comfort Control?
Sierra Comfort Control is rated higher. EZ Start Plus averages 2.0 out of 5 from 12 ratings, while Sierra Comfort Control averages 4.0 from 3 ratings.
Do EZ Start Plus or Sierra Comfort Control have ads?
Neither EZ Start Plus nor Sierra Comfort Control shows ads.
Which is updated more often, EZ Start Plus or Sierra Comfort Control?
EZ Start Plus ships an update every 7 months, and Sierra Comfort Control every 3 months. Most recently, EZ Start Plus was updated on November 7, 2026 and Sierra Comfort Control on November 5, 2026.

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