Remington Solar Builder Series 40W
#1 in Roof mountFull review
For a larger attic where the owner wants night running and a lifetime fan warranty in one box. The price is hard to justify on airflow alone.
Amazon $489$489
The Remington Solar Builder Series 40W is the better solar attic fan overall, rated 3.9 to 3.4. The HGinline 40W Solar Attic Fan costs $189.01 less ($299.99 vs $489).
HGinline 40W Solar Attic Fan
#6 in Roof mountFull review
A flexible hybrid fan with speed control for a buyer who wants night running on a budget. The lack of a stated warranty is the main risk.
Amazon $299.99$299.99
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every roof mount solar attic fan; a clear win is highlighted. How we rank explains each one.
| Factor weight | Remington Solar Builder Series 40W | HGinline 40W Solar Attic Fan |
|---|---|---|
| Overall rating | 3.9/5 | 3.4/5 |
| Value 25% | 34 $0.33 per CFM ($489, 1,500 CFM) | 71 $0.17 per CFM ($299.99, 1,800 CFM credited of 2,000 claimed (45 per panel watt)) |
| Airflow 15% | 47 1,500 CFM | 63 1,800 CFM credited of 2,000 claimed (45 per panel watt) |
| Panel 20% | 60 40 W panel | 60 40 W panel |
| Features 15% | 100 thermostat, AC backup, separate or tilting panel | 100 thermostat, AC backup, separate or tilting panel |
| Warranty 25% | 100 lifetime warranty | 0 warranty not published, scored as none |
Specifications
| Remington Solar Builder Series 40W | HGinline 40W Solar Attic Fan | |
|---|---|---|
| Airflow | ||
| Mount | Roof | Roof |
| Airflow | 1,500 CFM | 2,000 CFM |
| Attic area | 2,400 sq ft | 2,500 sq ft |
| Fan | - | 12 in |
| Motor | brushless DC | brushless DC |
| Power | ||
| Panel | 40 W | 40 W |
| Separate or tilting panel | Yes | Yes |
| Thermostat | Yes | Yes |
| AC backup | Yes | Yes |
| Build | ||
| Weight | 31 lb | 26.5 lb |
| Warranty | Lifetime | - |