Imperial IFS-40
#1 in Floor fryersFull review
A well-built 40 lb gas fryer with strong burners and a longer frypot warranty, for busy restaurant lines.
Amazon $1,421$1,421
The Imperial IFS-40 is the better commercial deep fryer overall, rated 3.9 to 3.4. The Imperial IFS-40 leads on heating power. The KoolMore KM-FDF40-NG costs $319.60 less ($1,101.40 vs $1,421).
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.
KoolMore KM-FDF40-NG
#5 in Floor fryersFull review
A 40 lb gas floor fryer with a drain valve and ETL sanitation listing at a lower price than the big brands. The maker does not publish a warranty term.
Amazon $1,101.40$1,101.40
Which should you buy?
- Choose the Imperial IFS-40 for heating power (2,625 BTU/hr per lb of oil vs 2,250 BTU/hr per lb of oil).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every floor fryers commercial deep fryer; a clear win is highlighted. How we rank explains each one.
| Factor weight | Imperial IFS-40 | KoolMore KM-FDF40-NG |
|---|---|---|
| Overall rating | 3.9/5 | 3.4/5 |
| Heating power 30% | 82 2,625 BTU/hr per lb of oil | 45 2,250 BTU/hr per lb of oil |
| Oil capacity 20% | 70 40 lb of oil | 70 40 lb of oil |
| Listings 15% | 100 sanitation listed, safety listed | 100 sanitation listed, safety listed |
| Features 15% | 55 drain valve, cold zone (some not published) | 80 drain valve, high-limit cutoff, cold zone (some not published) |
| Warranty 20% | 33 1-year parts and labor | 0 warranty not published, scored as none |
Specifications
| Imperial IFS-40 | KoolMore KM-FDF40-NG | |
|---|---|---|
| Frying | ||
| Oil capacity | 40 lb (22 L) | 40 lb (18 L) |
| Tanks | 1 | 1 |
| Baskets | 2 | 2 |
| Heat | ||
| Fuel | Natural gas | Natural gas |
| Heating power | 105,000 BTU/hr | 90,000 BTU/hr |
| Burner tubes | 3 | 3 |
| Thermostat range | 200 to 400 F | 200 to 400 F |
| Controls | Millivolt thermostat | Millivolt thermostat |
| Features | ||
| Drain valve | Yes | Yes |
| High-limit cutoff | - | Yes |
| Cold zone | Yes | Yes |
| Build | ||
| Outside dimensions | 15.5 x 30.5 x 45.8 in (W x D x H) | 15.6 x 30.1 x 45.8 in (W x D x H) |
| Weight | - | 134 lb |
| Certifications | CSA, NSF | ETL, ETL Sanitation |
| Parts and labor warranty | 1 year | - |