Suburban SF-35VHQ (2588A)
The standard replacement for a 35,000 BTU Suburban SF furnace where the exterior service door stays.
Amazon $929.99$929.99
10 Suburban RV furnaces ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size RV furnaces here, not third among Suburban's own.
Suburban makes 10 current RV furnaces: 2 under 25,000 BTU, 4 25,000 to 30,000 BTU and 4 35,000 BTU and up. Prices run from $697.65 for the Suburban NT-30SP to $1,230.63 for the Suburban SF-35VHFQ (2587A). Its best-rated model in each size: the Suburban NT-20SEQ (2504ABK) (#1 of 3 under 25,000 BTU, rated 3.4), the Suburban NT-30SP (#1 of 11 25,000 to 30,000 BTU, rated 3.5) and the Suburban SF-35VHQ (2588A) (#1 of 8 35,000 BTU and up, rated 3.6).
Prices were last checked November 4, 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.
Suburban RV furnaces 10
- Suburban SF-35VHQ (2588A)#1 35,000 BTU and upFull review
The standard replacement for a 35,000 BTU Suburban SF furnace where the exterior service door stays.
Amazon $929.99$929.9935,000 BTU8 A- - Suburban NT-30SP#1 25,000 to 30,000 BTUFull review
For a replacement where the old NT-series furnace sat in a deep cabinet and low amp draw matters.
Amazon $697.65$697.6530,000 BTU5.5 A345 CFM - Suburban SF-42VHQ (2592A)#3 35,000 BTU and upFull review
For big fifth wheels and motorhomes that need a single large furnace.
Amazon $1,138.76$1,138.7640,000 BTU9 A- - Suburban NT-20SEQ (2504ABK)#1 under 25,000 BTUFull review
For a camper van or small trailer with one open room, where battery drain matters more than total heat.
Amazon $839.91$839.9119,000 BTU2.8 A150 CFM - Suburban SF-42VHFQ#4 35,000 BTU and upFull review
For a 40,000 BTU furnace in an RV with no exterior door and a long duct run.
Amazon $1,185.98$1,185.9840,000 BTU-- - Suburban SF-35VHFQ (2587A)#7 35,000 BTU and upFull review
For a 35,000 BTU swap where the RV has no exterior furnace door.
Amazon $1,230.63$1,230.6335,000 BTU8.5 A- - Suburban SF-30VHFQ (2576A)#5 25,000 to 30,000 BTUFull review
For a 30,000 BTU doorless swap in a trailer with no exterior furnace door.
Amazon $1,146.49$1,146.4930,000 BTU-- - Suburban SF-30Q (2559A)#7 25,000 to 30,000 BTUFull review
The lowest-priced new Suburban 30,000 BTU furnace on Amazon, when the original was a Q-series.
Amazon $932.57$932.5730,000 BTU7 A300 CFM - Suburban SF-30FQ (2558A)#9 25,000 to 30,000 BTUFull review
The straight swap for the many trailers that came with a 30,000 BTU Suburban SF furnace.
Amazon $965.84$965.8430,000 BTU7 A300 CFM - Suburban SF-20FQ (2551A)#3 under 25,000 BTUFull review
A like-for-like replacement for an older 20,000 BTU Suburban SF furnace in a small trailer.
Amazon $951.18$951.1820,000 BTU7 A300 CFM
