The Elite Kitchen Supply HGZ300 is the better walk-in cooler overall, rated 3.0 to 2.7. The CoolBot Walk-In Cooler Controller wins on completeness. The CoolBot Walk-In Cooler Controller costs $4,145 less ($349 vs $4,494).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A complete split condensing unit and evaporator set at a low price, for a walk-in where a refrigeration technician will run the line set and charge it. The evaporator, not the condensing unit, sets its real capacity.
Amazon $4,494The standard way to build a farm or hunting walk-in on a budget: an insulated room, a window air conditioner and this controller. Get the Pro if you want phone alerts.
Amazon $349Each factor is scored 0-100 against the same fixed reference points for every cooling units walk-in cooler; a clear win is highlighted. How we rank explains each one.
| Factor weight | Elite Kitchen Supply HGZ300 | CoolBot Walk-In Cooler Controller |
|---|---|---|
| Overall rating | 3.0/5 | 2.7/5 |
| Value 30% | 35 $192.28 per 1,000 BTU/hr ($4,494, 23,372 BTU/hr) | 50 cooling capacity not published ($349) (neutral score used) |
| Cooling 25% | 86 23,372 BTU/hr | 50 capacity set by the air conditioner it controls (neutral score used) |
| Insulation / range 20% | 50 temperature range not published (neutral score used) | 12 rated down to 34 F |
| Completeness 10% | 0 needs a technician to evacuate and charge | 50 needs a separate air conditioner |
| Warranty 15% | 0 warranty not published, scored as none | 0 1-year warranty |
| Elite Kitchen Supply HGZ300 | CoolBot Walk-In Cooler Controller | |
|---|---|---|
| Refrigeration | ||
| Refrigeration included | Yes | No |
| System | Split condensing unit and evaporator | Controller for an air conditioner |
| System model | HGZ300 | - |
| Rated capacity | 23,372 BTU/hr (6,850 W) | - |
| Box temperature | - | Down to 34 F |
| Compressor | 3 hp | - |
| Electrical | 220/60/1 | - |
| Installation | Technician evacuates and charges | Needs a separate air conditioner |
| Wi-Fi monitoring | - | No |
| Warranty and build | ||
| Parts warranty | - | 1 year |
| Weight | 173.5 lb | - |
