QuietScoreBathroom & Utility Fans › Greenheck Fan Corporation SP-L80

Greenheck Fan Corporation SP-L80 noise level

The Greenheck Fan Corporation SP-L80 is certified at 1.7 sones (≈48 dBA) — quieter than 11% of the 811 bathroom & utility fans in the ENERGY STAR database. In practical terms it is about the background level of a quiet office.
1.7sones (certified)
≈48 dBAapproximate conversion
79 CFMairflow
3.1CFM per watt

The Greenheck Fan Corporation SP-L80 is louder than the category median of 0.7 sones, and its 79 CFM rating makes it suitable for bathrooms up to roughly 80 sq ft.

Full specifications

BrandGreenheck Fan Corporation
Model numberSP-L80
Model nameSP
CategoryBathroom & Utility Fans
Sound level1.7 sones (≈48 dBA, approximate)
Airflow79 CFM
Efficiency3.1 CFM/W
Duct size4.0 inch diameter
Speeds1
Integrated lightingNo
ENERGY STAR certifiedYes
On market since2016-08-15
MarketsUnited States

Quieter alternatives with similar airflow

Model Sones ≈ dBA Airflow Efficiency
Broan XB80=XB00HwithXB80F 0.1 7 80 CFM 13.8 CFM/W specs
Greenheck SP-A70 0.1 7 70 CFM 5.1 CFM/W specs
Greenheck SP-A90L 0.1 7 99 CFM 6.1 CFM/W specs
AUPU BF4-S10CL 0.1 7 100 CFM 9.5 CFM/W specs
Greenheck SP-LP0810W 0.1 7 100 CFM 10 CFM/W specs

Similar bathroom & utility fans

Model Sones ≈ dBA Airflow Efficiency
Air King AK90 1.6 47 90 CFM 3.7 CFM/W specs
Valu+ BPT13-14DT-2 1.5 46 80 CFM 4.3 CFM/W specs
S&P PCV80 1.5 46 80 CFM 3.4 CFM/W specs
Commercial Electric 7130-18-CE 1.5 46 80 CFM 4 CFM/W specs
Commercial Electric BPT13-14D 1.5 46 80 CFM 4.3 CFM/W specs

Frequently asked questions

How many sones is the Greenheck Fan Corporation SP-L80?

The Greenheck Fan Corporation SP-L80 is certified at 1.7 sones in ENERGY STAR lab testing, which is approximately 48 dBA. That is about the background level of a quiet office.

Is the Greenheck Fan Corporation SP-L80 quiet?

At 1.7 sones, the Greenheck Fan Corporation SP-L80 is quieter than 11% of the 811 certified bathroom & utility fans we track, and louder than the category median of 0.7 sones.

How powerful is the Greenheck Fan Corporation SP-L80?

It moves 79 CFM, which is adequate for a bathroom of roughly 80 sq ft under the standard 1-CFM-per-square-foot guideline, at an efficiency of 3.1 CFM per watt.

Data provenance: Sound levels are certified lab measurements (sones) reported in the U.S. EPA ENERGY STAR certified products dataset — not manufacturer marketing claims. Source: ENERGY STAR Certified Ventilating Fans (US EPA), last fetched 2026-06-13. The dBA figure is an approximate conversion from sones — see our methodology.