Furnace fans · ALLPOWERS R1500
How Long Will an ALLPOWERS R1500 Run a Furnace Fan?
About 59 min for a 1/3 hp furnace fan (Honda figure, 1,000 W), by our math: 1,152 Wh × 0.85 ÷ 1,000 W. Across the cases below: 49 min to 1.4 h.
| Spec | ALLPOWERS R1500 |
|---|---|
| Battery | 1,152 Wh (maker spec) |
| Usable (× 0.85) | 979 Wh |
| Output / surge | 1,800 W / 3,000 W |
| Own draw | not listed |
| Solar input | 650 W |
| Price | $539 at ALLPOWERS |
Check R1500 price at ALLPOWERSPaid link
Furnace fan hours on the R1500
| Case | Watts | On the R1500 |
|---|---|---|
| 1/3 hp furnace fan (EWEB figure) (EWEB) | 700 W | 1.4 h |
| 1/3 hp furnace fan (Honda figure) (Honda) | 1,000 W | 59 min |
| 1/2 hp furnace fan (Honda) | 1,200 W | 49 min |
Wh × 0.85 ÷ (watts + the station’s own draw, where the maker lists it).
Hours are nonstop; the fan cycles with the thermostat, so real hours are longer.
Can the R1500 start it?
Honda lists 1,800 W to start a 1/3 hp furnace fan and 2,500 W for 1/2 hp (Honda); EWEB’s chart gives about 2,100 W for 1/3 hp (EWEB). The R1500 has a 3,000 W surge. 1/3 hp furnace fan (EWEB figure): covers it; 1/3 hp furnace fan (Honda figure): covers it; 1/2 hp furnace fan: covers it.
How much an hour takes
An hour of a 1/3 hp furnace fan (Honda figure) running nonstop uses about 1,000 Wh, more than the 979 Wh the R1500 can deliver, so it runs about 59 min. At its 650 W solar input and our 75% assumption, strong sun puts about 488 Wh an hour back into the battery.
A furnace wired into the panel needs a transfer switch installed by a professional; never connect a backup to house wiring yourself.
Furnace fan on similar stations
| Station | Capacity | 1/3 hp furnace fan (Honda figure) | Price |
|---|---|---|---|
| BLUETTI AC180 | 1,152 Wh | 58 min | $499 |
| Jackery Explorer 1000 v2 | 1,070 Wh | 55 min | $499 |
| Anker SOLIX C1000 Gen 2 | 1,024 Wh | 52 min | $499.99 |
| BLUETTI Elite 100 V2 | 1,024 Wh | 52 min | $489 |
Maker prices, Oct 26, 2026, unless dated. Checkout price applies.
More: ALLPOWERS R1500 specs and every runtime · Furnace fans on every station · calculator for your own devices.
Quick answers
How long will the ALLPOWERS R1500 run a furnace fan?
About 59 min for a 1/3 hp furnace fan (Honda figure, 1,000 W), by our math: 1,152 Wh × 0.85 ÷ 1,000 W.
Can the ALLPOWERS R1500 start a furnace fan?
Honda lists 1,800 W to start a 1/3 hp furnace fan and 2,500 W for 1/2 hp; EWEB’s chart gives about 2,100 W for 1/3 hp. The R1500 has a 3,000 W surge. 1/3 hp furnace fan (EWEB figure): covers it; 1/3 hp furnace fan (Honda figure): covers it; 1/2 hp furnace fan: covers it.
How long does the ALLPOWERS R1500 take to recharge with solar?
About 2.4 hours of strong sun from empty at its 650 W solar input, by our 75% assumption; clouds and winter sun add time.
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