HVAC RefCharge vs TEC Excelsior HVAC Pro+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HVAC RefCharge
This app helps HVAC technicians quickly calculate refrigerant superheat and subcool levels. It supports over 100 refrigerants and offers interactive adjustments for precise charging decisions. Features include atmospheric pressure adjustments and unit customization.
- Superheat and subcool calculations
- Supports 100+ refrigerants
- Interactive slider for adjustments
- Atmospheric pressure compensation
- Customizable input types
- Project photo assignment
- Email report generation
- English/Metric unit display
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The HVAC RefCharge app is a refrigerant charging calculator that allows HVAC technicians to perform superheat and subcool refrigerant charge calculations on-the-fly. This app includes pressure/temperature data for over 100 refrigerants. This is a universal app that works on both the iPhone and iPad. This app now includes the HVAC Equipment Locator. Click here for details: http://bit.ly/1yTq539 The following is a list of additional features: 1. Perform superheat refrigerant charge calculations for 100+ different refrigerants. Input the indoor wet-bulb and outdoor dry-bulb temps. to get the target superheat temperature. Then, specify the suction line temperature and pressure to get the actual superheat temperature. The difference tells you whether to charge or not. Also, the app auto-assigns the dew version of azeotropic refrigerant to superheat, if applicable. 2. Perform subcool refrigerant charge calculations for 100+ different refrigerants. Input the indoor wet-bulb and outdoor dry-bulb temps. to get the target subcool temperature. Then, specify the liquid line temperature and pressure to get the actual subcool temperature. The difference tells you whether to charge or not. Also, the app auto-assigns the bubble version of azeotropic refrigerant to subcool, if applicable. 3. Use an interactive slider control to increase or decrease all values and immediately observe calculated results. Also, the slider control allows for "incremental" changes so you can ever-so-slightly change values to observe newly calculated results. 4. Specify atmospheric pressure (other than standard 14.7 psi) so that calculated pressures are adjusted for high elevations like those in Denver and elsewhere. 5. Customize input types so that you can specify manufacturer-specified target superheat/subcool or input indoor dry-bulb/indoor relative humidity in place of indoor wet-bulb temperature. 6. Take a photo and assign it to the project 7. Send an email that includes all inputs, results, and the photo with a custom message 8. Display input and result values in either English or Metric units
TEC Excelsior HVAC Pro+
This app provides HVAC professionals with quick access to product information, pricing, and availability. It includes tools for searching equipment, verifying warranties, and accessing technical documents, streamlining on-site work.
- View pricing and order status
- Real-time product availability
- Search HVAC models and parts
- Verify warranty and submit claims
- Access spec sheets and diagrams
- HVAC calculators (PT, Sub-Cool, Superheat)
- Branch locator and directions
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Temperature Equipment Co and National Excelsior’s mobile app is your HVAC “Easy Button”. It can make your life easier and save time by providing access to product information and useful tools whether you’re on-site, in the drive-thru, or just sitting at home watching TV. Features & Benefits You can: * link to your Temperature Equipment Co and National Excelsior account to view your pricing and order status data, as well as real-time product availability at your preferred branch and other nearby Temperature Equipment Corporation branches * easily find Temperature Equipment Co and National Excelsior locations, hours, & phone numbers. Get driving directions through your favorite mapping app * search for HVAC equipment models and view the parts list and superseded parts. Scan QR codes or UPC Bar Codes for faster product lookups * also search by system needs to find AHRI matched systems * verify warranty registrations, get related data, and even submit warranty claims while in the field * view spec sheets, wiring diagrams, installation guides, consumer literature, etc. for Temperature Equipment Corporation products * receive push notifications of special offers & promotions from Temperature Equipment Co and National Excelsior * access multiple useful calculators, including the PT calculator, Sub-Cool calculator, Superheat calculator, Existing Duct calculator, and New Duct calculator * quickly access the flashlight tool to light up attics, closets and equipment while you work Temperature Equipment Co and National Excelsior’s mission is to deliver the quality HVAC products you need, when you need them, and provide expert technical support. Temperature Equipment Co and National Excelsior are the HVAC professionals’ supplier of choice, and we work hard every day to earn and keep your trust
Screenshots
Verdict
The clearest difference is price: TEC Excelsior HVAC Pro+ at Free against HVAC RefCharge's $9.99. TEC Excelsior HVAC Pro+ also leads on in-app purchases (none vs 1) and update cadence (every 2 months vs every 11 months). On ads, device support and iOS requirement 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
TEC Excelsior HVAC Pro+ is free to download; HVAC RefCharge costs $9.99 up front. HVAC RefCharge sells 1 one-off in-app purchase. TEC Excelsior HVAC Pro+ asks for nothing beyond the download.
HVAC RefCharge ships an update every 11 months, TEC Excelsior HVAC Pro+ every 2 months. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.
| Parameter | HVAC RefCharge | TEC Excelsior HVAC Pro+ |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | — | 4.4 (12 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | — | 12 — better |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 22 MB | 163 MB |
| Age rating | 4+ | 4+ |
| Developer | Carmel Software Corporation | Watsco, Inc. |
Customer experience
HVAC RefCharge
TEC Excelsior HVAC Pro+
In-app purchases
HVAC RefCharge
- HVAC Equipment Locator$9.99
TEC Excelsior HVAC Pro+
No in-app purchases
Questions
Is HVAC RefCharge free?
Is TEC Excelsior HVAC Pro+ free?
Do HVAC RefCharge or TEC Excelsior HVAC Pro+ have ads?
Which is updated more often, HVAC RefCharge or TEC Excelsior HVAC Pro+?
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