Fogatti RFS20A0B 20,000 BTU

Last updated: November 3, 2026

Fogatti RFS20A0B 20,000 BTU

3.0/5#2 of 3 in under 25,000 BTU RV furnaces
3.0

For a van, truck camper or small trailer where low battery draw outweighs raw heat.

20,000 BTUInput
2.9 A12 V draw
Direct dischargeDischarge

Check price at Amazon$899.99

Price checked November 3, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

Draws only 2.9 A, so it suits boondocking
Direct discharge, no duct runs

Cons

$45 per 1,000 BTU
Airflow listed inconsistently across listings

How it scores

The rating comes from 3 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.

Value $45 per 1,000 BTU ($899.99, 20,000 BTU)29
Power draw 2.9 A running, 0.1 A per 1,000 BTU89
Warranty 1-year warranty0

Specifications

Heat and power
Model number	RFS20A0B
Input capacity	20,000 BTU
12 V amp draw	2.9 A
Discharge	Direct discharge
Fit
Height	11.3 in
Weight	25.7 lb
Warranty
Warranty	1 year

Alternatives in this size

Suburban NT-20SEQ (2504ABK)

#1 in Under 25,000 BTU3.4Full review

For a camper van or small trailer with one open room, where battery drain matters more than total heat.

$839.91

Suburban SF-20FQ (2551A)

#3 in Under 25,000 BTU1.8Full review

A like-for-like replacement for an older 20,000 BTU Suburban SF furnace in a small trailer.

$951.18

Compare

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