Tech Drive Super Quiet 110 CFM Bathroom Fan - Quiet, Powerful

In this review of the Tech Drive Super Quiet 110 CFM bathroom fan, the bottom line is simple: it is for homeowners who need strong, quiet ventilation in a mid to large bathroom and prefer a no-attic-access installation. The single biggest reason to buy is the combination of 110 CFM air movement with a very low 1.2 sones noise rating, which makes it possible to clear moisture quickly without a loud motor. The fan is also energy efficient and certified for performance, which suits long-term residential use.

Key Features

• Quiet operation: The unit runs at about 1.2 sones, letting the bathroom fan operate without becoming the dominant background noise.
• Strong airflow: Rated at 110 CFM, it moves enough air for bathrooms up to about 110 sq ft, reducing humidity and odors efficiently.
• No attic access installation: For existing construction it can be installed entirely from the room-ceiling side, replacing most existing fans without attic work.
• Humidity sensor option: The fan automatically turns on when humidity exceeds 60% in sensor mode, helping prevent moisture buildup without user intervention.
• Multiple mounting choices: New construction mounting attaches to ceiling joists or uses included suspension brackets when joist spacing varies.
• Certifications and safety: Energy Star qualified and UL and HVI certified for verified performance and acceptable for use over a bathtub or shower on a GFCI-protected circuit.

Who It's For

This fan is aimed at homeowners renovating bathrooms or replacing older fans who want a noticeably quieter unit that still delivers strong airflow. It is a good match for medium to large bathrooms up to 110 sq ft, especially where humidity control is a priority and continuous or automatic operation via the humidity sensor is desired.

Customers who need ultra-compact fits or specific architectural grilles beyond the low-profile white cover may want to compare other models, and those requiring less than 110 CFM for very small bathrooms could choose a smaller, lower-capacity fan to save on upfront cost.

Pros & Cons

Pros

• Very quiet performance at 1.2 sones, making it suitable for regular use without disruption.
• High airflow of 110 CFM clears moisture quickly, helping reduce mold risk and lingering humidity.
• Flexible installation options, including true no-attic-access replacement for many existing fans.
• Energy Star, UL and HVI certifications that back up efficiency and performance claims.

Cons

• Installation can still be involved for some users despite room-side options, so some homeowners may prefer professional help.

Specifications

Brand	Tech Drive
Airflow	110 CFM
Noise level	1.2 sones
Coverage	Up to 110 sq ft
Housing size	9 in x 8.5 in x 6 in
Duct size	4 in
Ceiling opening	9.25 in x 8.9 in

Our Verdict

The Tech Drive Super Quiet 110 CFM fan is a practical choice for anyone who wants reliable, quiet, high-capacity ventilation without attic access. Its humidity sensor and solid certifications make it good value for long-term use, and the combination of performance and quiet operation makes it a smart upgrade for medium to large bathrooms.

Frequently Asked Questions

Can this fan be installed without attic access?
Yes. The design allows replacement of most existing fans entirely from the room side, so attic access is not required for existing-construction installs.

Does the humidity sensor run the fan automatically?
Yes. In humidity sensing mode the LED is green and the fan automatically activates when room humidity rises above about 60%.

Is it safe to use over a shower or bathtub?
Yes. The fan is acceptable for use over a tub or shower when installed on a GFCI-protected branch circuit and following local electrical codes.