SmarTech vs Heating & Cooling HVAC Pro+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmarTech
This app connects to a digital manifold to display accurate pressure and temperature readings. It offers real-time Superheat and Subcooling calculations, supports over 109 refrigerants, and features a "Smart Charge Zone" for optimal system charging. Users can also generate and export system performance reports.
- Real-time pressure and temperature readings
- Superheat and Subcooling calculations
- 109+ refrigerant types supported
- Smart Charge Zone indicator
- System performance reporting
- PDF/CSV report export
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The Uniweld SmarTech™ Digital Manifold App communicates with your SmarTech™ Digital Manifold to clearly display professionally accurate pressure and temperature readings in the palm of your hand. Monitor target and actual Superheat and Subcooling calculations in real-time, as pressure and temperature readings fluctuate. Choose from over 109 different refrigerant types and create a custom list of your most commonly used refrigerants. SMART CHARGE ZONE: All the guess work is taken out of properly charging the system with the color coded Smart Charge Zone feature. The difference between the target and actual Superheat or Subcooling is shown with color indicators that signal whether the system is overcharged (RED), undercharged (BLUE), or has an accurate "In The Zone" system charge (GREEN). REPORTING: Take your business to the next level with system performance reporting. Enter company details along with customer and equipment information and with one touch, produce a SmarTech™ Verified System Performance Report that is ready for export as a PDF or CSV file. Reports can easily be emailed for saving, tracking, or printing. Uniweld Products, Inc... "Quality Tools That Go To Work With You®". This app also works as a free, stand-alone P/T Calculator!
Heating & Cooling HVAC Pro+
This app provides HVAC professionals with quick access to product information, tools, and support. It allows users to check pricing, availability, find locations, and manage warranty claims. Features include a PT calculator, duct calculators, and a flashlight tool for on-site work.
- View pricing and order status
- Real-time product availability
- Find branch locations and hours
- Scan barcodes for product lookup
- Submit warranty claims
- Access spec sheets and diagrams
- Live technical support chat
- Inventory replenishment tool
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Heating & Cooling Supply’s mobile app is your HVAC “Easy Button”. It can make your life easier and save time by providing access to product information 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 Heating & Cooling Supply account to view your pricing and order status data, as well as real-time product availability at your preferred branch and other nearby Heating & Cooling Supply branches * easily find Heating & Cooling Supply 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 Heating & Cooling Supply products * engage with Heating & Cooling Supply technical support through live, priority video, text, or audio chat, with the new Heating & Cooling Supply Wingman service * use GEMstock, our time-saving inventory replenishment tool. GEMstock transforms your phone into your inventory smart hub, whether your stock is on a truck or in a warehouse * receive push notifications of special offers & promotions from Heating & Cooling Supply * 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 Heating & Cooling Supply’s mission is to deliver the quality HVAC products you need, when you need them, and provide expert technical support. Heating & Cooling Supply is the HVAC professionals’ supplier of choice, and we work hard every day to earn and keep your trust Follow us on Facebook and tell us what you think! https://www.facebook.com/Gemaire
Screenshots
Verdict
The clearest difference is review sentiment: Heating & Cooling HVAC Pro+ at 100% against SmarTech's 25%. Heating & Cooling HVAC Pro+ also leads on rating (4.8 vs 3.6) and update cadence (every 6 weeks vs every 12 months). SmarTech's advantage is monetization model (free vs ad-supported). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Heating & Cooling HVAC Pro+ holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: Heating & Cooling HVAC Pro+ has 45 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 25% of SmarTech's written reviews are positive against 100% of Heating & Cooling HVAC Pro+'s.
SmarTech ships an update every 12 months, Heating & Cooling HVAC Pro+ every 6 weeks. The most recent releases landed on June 1, 2026 and August 9, 2026 respectively.
| Parameter | SmarTech | Heating & Cooling HVAC Pro+ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (9 ratings) | 4.8 (45 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 | 45 — better |
| Update frequency | Every 12 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 21 MB | 164 MB |
| Age rating | 4+ | 4+ |
| Developer | Uniweld Products, Inc. | Watsco, Inc. |
Customer experience
SmarTech
Heating & Cooling HVAC Pro+
In-app purchases
SmarTech
No in-app purchases
Heating & Cooling HVAC Pro+
No in-app purchases
Questions
Is SmarTech free?
Is Heating & Cooling HVAC Pro+ free?
Which has better reviews, SmarTech or Heating & Cooling HVAC Pro+?
Do SmarTech or Heating & Cooling HVAC Pro+ have ads?
Which is updated more often, SmarTech or Heating & Cooling HVAC Pro+?
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