Few names in ventilation carry the history of Soler & Palau. In February 1951, Eduardo Soler and José Palau founded the company in Ripoll, Spain, building fans and single-phase controllers for industrial and commercial use. More than seventy years later, the Soler & Palau Ventilation Group is headquartered in Barcelona, operates manufacturing facilities in 12 countries, and has a presence in more than 90 countries with S&P USA based in Jacksonville, Florida.
Using steel and aluminum sourced from U.S. metal manufacturers, the Jacksonville team builds a broad range of American-made commercial ventilation products, including centrifugal fans, propeller fans, inline ventilation, relief hoods, and fresh air supply products. Choosing S&P USA commercial products supports American manufacturing, from the domestic suppliers who provide the materials to the skilled employees who build the products. Their products carry HVI, AMCA, UL, and ETL certifications, and their focus is simple: solving ventilation and indoor air quality challenges for both homes and commercial buildings.
TD-MIXVENT Series Inline Mixed Flow Duct Fans
The TD-MIXVENT is built to deliver the most airflow from the smallest possible housing. A mixed flow impeller paired with internal guide vanes at the discharge produces smooth, laminar airflow that cuts turbulence and noise while holding a strong airflow to pressure ratio. With nine sizes from 4 to 16 inch duct, the series covers everything from a single bathroom to light commercial exhaust, and it fits where space is tight, such as drop ceilings and cabinets.
- Removable Body: The motor and impeller assembly lifts out of the housing without disturbing the attached ductwork, so service and replacement take minutes. The terminal box rotates 360 degrees for easy wiring.
- Construction: Models 100 through 150 use a tough reinforced polypropylene housing with ABS blades. Models 200 through 400 use galvanized steel with an epoxy-polyester coating, with aluminum blades on the 250 and up.
- Motors: Permanently lubricated, sealed ball bearing motors rated for 40,000 hours of continuous operation, all suitable for voltage speed control. The TD-250 and TD-315 include dual speed (LS/HS) connections.
- Listings: HVI certified, AMCA Seal for Air Performance, and cULus listed. The TD-100×1, 125, 150, and 200 are ENERGY STAR qualified. The TD-250 and TD-315 are UL listed for outdoor use, and the TD-355 and TD-400 are UL 507 and UL 705 certified.
- Code Compliance: The TD-100, TD-100×1, and TD-150 are California Title 24 compliant and meet ASHRAE 62.2 when installed with a CVC control.
- Warranty: 5 year limited warranty on the fan housing and motor. TD bathroom exhaust kits carry a 7 year warranty.
TD-MIXVENT Product Page | TD-MIXVENT Specs
TD-SILENT Series Extremely Quiet Inline Mixed Flow Duct Fans
Some installations demand airflow without the noise. For fans located near bedrooms, offices, or media rooms, the TD-SILENT is engineered from the inside out for quiet operation. Sound waves pass through a perforated inner skin and are absorbed by a layer of sound-absorbent insulation before they reach the duct or the space around the fan.
- Acoustic Construction: Reinforced plastic housing with a sound attenuating liner and sound-absorbent outer cover. Rubber gaskets on the inlet and outlet absorb vibration and provide a virtually air-tight seal.
- Low Profile: Designed for installations with low height limits, such as suspended ceilings, with an integral mounting bracket, a removable body for service without disturbing the ductwork, and a terminal box that rotates 360 degrees.
- Motors: The TD-125XS uses a shaded pole motor with self-lubricating sleeve bearings. The TD-150S and TD-200S use permanent capacitor, external rotor motors with sealed for life ball bearings. All are rated for 40,000 hours and suitable for voltage speed control.
- Listings: HVI certified, AMCA Seal for Air Performance, UL and cUL listed, and ENERGY STAR qualified. The TD-125XS and TD-150S are California Title 24 compliant and meet ASHRAE 62.2 when installed with a CVC control.
- Warranty: 5 year limited warranty on the fan housing and motor.
TD-SILENT Product Page | TD-SILENT Specs
MD6-ES24VK Outside Air Motorized Damper & Envirosense Ventilation Control Kit
Tight modern homes need a controlled path for fresh air to meet building code and ASHRAE 62.2. The MD6-ES24VK kit brings outdoor air into the return side of the central HVAC system through a 6 inch motorized damper, and lets the ES24V control decide when that air is worth bringing in.
- How It Works: The damper installs between the fresh air wall cap, roof cap, or screened soffit vent and the HVAC return duct. When the ES24V calls for ventilation, the damper opens and the control can start the furnace blower to distribute fresh air through the existing ductwork.
- Motorized Damper Specs: 6 inch round duct, 24V 60Hz, 0.3 A, 6 W, 50 dB or less. Mounts horizontally or vertically, indoors only, and handles conditioned or unconditioned airstreams from -40°F to 140°F (-40°C to 60°C).
- ES24V Envirosense Control: Back-lit LCD and a simple four-button interface with Off, On, and Eco modes. Fan run time is adjustable from 5 to 60 minutes per hour in 5 minute steps.
- Weather Lockouts: Included temperature and humidity sensors mount in the fresh air duct and check conditions every 10 seconds. In Eco mode, ventilation stops when outdoor air passes adjustable limits (high temperature 65 to 105°F, low temperature 20 to 60°F, high humidity 55 to 90%, low humidity 10 to 50%). Even during a lockout, the control runs the fan 5 minutes every 15 minutes to maintain ASHRAE 62.2-2010 compliance.
- System Integration: Optional outputs for a duct heater and furnace blower, with a 24VAC supply. S&P recommends 20VA be available from the HVAC transformer to run the damper, or an auxiliary transformer or isolation relay if it is not.
- Warranty: 5 year warranty on materials and workmanship.
S&P Commercial Ventilation
S&P USA’s Jacksonville team builds a broad range of commercial ventilation, from centrifugal roof exhausters to propeller wall fans. Here are two workhorses from that lineup.
STXB Belt Drive Centrifugal Upblast Roof Exhausters
When the exhaust is greasy, contaminated, or hot, the STXB sends it straight up and away from the roof. The motor and drive sit in an enclosed, ventilated compartment isolated from the airstream, making it a go-to for restaurant hoods, kitchen exhaust, fume and smoke removal, lab fume hoods, and chemical process exhaust.
- Performance: Up to 37,920 CFM at static pressures up to 3 in. w.g., in sizes 8 through 48.
- Construction: Spun aluminum housing and curb cap with an integral deep spun inlet (galvanized steel curb cap on UL 762 and UL 793 units). The all aluminum, non-overloading backward inclined wheel is dynamically balanced, and neoprene isolators reduce vibration and sound.
- Belt Drive: Lower operating RPM keeps sound levels down, and adjustable cast iron pulleys make it easy to fine tune airflow when balancing the system. Drives are sized for at least 150% of motor horsepower.
- Listings: AMCA licensed for air and sound. cULus 705 listed, with cULus 762 for restaurant exhaust and cULus 793 for smoke control systems (500°F for 4 hours and 1,000°F for 15 minutes) available. Suitable for NFPA installations.
- Options: EC motor version (STXBe) for 0-10V speed control from a building management system, high temperature STXB-HT and STXB-HT2 models, and a high wind option with Miami-Dade NOA, Florida Product Approval, and Texas Department of Insurance listing.
- Warranty: 5 year bearing warranty on the standard STXB, with heavy-duty ball bearings sized for an L10 life over 100,000 hours.
STXB Product Page | STXB Specs
GED Direct Drive Sidewall Propeller Exhaust Fans
For moving large volumes of air at low static pressure, the GED is a simple, dependable wall fan. It provides general ventilation for warehouses, manufacturing and assembly plants, parking garages, gymnasiums, equipment rooms, and greenhouses.
- Performance: 300 to 3,500 CFM at static pressures up to 3/4 in. w.g., in sizes 10 through 20 inch.
- Construction: 16 or 18 gauge G-90 galvanized steel panel with a one piece spun venturi for maximum efficiency. Fabricated aluminum propeller blades mount directly on the motor shaft and are statically and dynamically balanced.
- Easy Installation: Prepunched mounting holes, formed flanges for rigidity, an integral OSHA approved motor side guard, and suitable for all-angle installation. Every unit is factory run and tested before shipment.
- eGED EC Motor Option: Converts single phase AC to DC for higher efficiency, offers 80% usable turndown versus 30% on a PSC motor, and moves up to 3,700 CFM.
- Mounting and Accessories: Wall housings, filtered wall housings, and wall collars, plus gravity or motorized dampers, rainhoods, and safety guards. The same fan reverses its venturi to become the GSD supply fan.
- Listings and Warranty: AMCA licensed for air and sound, with optional cULus 705 listing. 5 year fan housing warranty and 1 year motor warranty. Most sizes ship next day or within 10 days through the S&P Quickship program.
The S&P Difference
Whether the job calls for a versatile inline fan in one of nine sizes, a fan quiet enough to install next to a bedroom, or a smart fresh air damper that responds to outdoor conditions, Soler & Palau brings more than seventy years of engineering to each solution. Every product featured here is backed by a 5 year warranty and built to help contractors and homeowners meet code and keep indoor air healthy. Explore the full Soler & Palau lineup at HVACquick.com.
Your dependable Partner for High-Performance products
Our engineering team is just a quick phone call away to provide expert guidance and ensure you have the right specialized gear for every job. Plus competitive contractor pricing, deep stocking and quick shipping from our East and West warehouses.
Join our TradePro program for below-MAP tier pricing, direct-dial engineering support and priority shipping.