RK Mechanical Air Services prides itself on being the trusted HVAC partner for residential and commercial clients across Placer, Sacramento, Yolo, Napa, Sonoma, and Marin counties. Since 2019, after partnering with FA & AO, their locally owned business has grown and now operates broadly in Northern California, delivering top-tier heating, cooling, air conditioning, ventilation, furnace repair, air quality solutions, and HVAC maintenance.

At RM Additions, they are passionate about transforming ordinary spaces into extraordinary living spaces that enrich lifestyles and adds value to homes. With their years of experience in the building industry, project management, and finishing, they are dedicated to bringing their renovation dreams to life.

Royce Industrial Compressor provides Industrial hermetic, semi-hermetic, open drive compressors and compressor units from 1 to 150 h.p.

S&P USA Ventilation Systems, LLC is a producer of air movement products, ventilation systems and fans. They also provide Air Movement Products, Intake and Exhaust Systems, Ventilation Products, Fans and Blowers, Residential Ventilation, Commercial Ventilation, Bathroom Fans, and Inline Duct Fans.

SANI-VAC Service provides high-quality indoor air cleaning services, including HVAC units, air ducts, and kitchen exhaust cleaning for commercial, industrial, and institutional organizations. It offer much heating and cooling cleaning services including air duct cleaning, ventilation cleaning, coil cleaning, HVAC cleaning, commercial kitchen exhaust degreasing, cooling tower cleaning, and ductwork inspections.

Scot Pump is a O.E.M manufacturer that specializes in End Suction Centrifugal pumps. While many of Scot's competitors have a broader product line that encompasses many different types of pumps, Scot has directed its focus on End Suction Single Stage Centrifugals, and boasts to have the best delivery, customer service, and quality in the industry.

Scott Comfort Systems in Raleigh, NC is a premier HVAC contractor for all your heating and cooling needs. They provide high-quality installation and service of air conditioning and heating systems for residential and commercial customers in the Triangle region.

Since 1935, Sealmaster bearings are the industry's preferred bearing product, known for its premium-quality mounted ball-bearing line, as well as its mounted roller bearings.

Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with a minimum five years documented experience. Installer Qualifications: Company specializing in performing Work of this section with minimum two years documented experience with projects of similar scope and complexity.

Shook Mfg. Products Inc. specializes in fasteners and tools for over fifty years now. They provide products with high-quality design, performance and usability. Their range of products include tools & hardware for the HVAC/R, roofing, and many other home improvement industries.

Sika USA Inc. is a renowned manufacturer of flow switches and flow meters. The company emphasizes on reliability and innovative design in small, low cost instruments for chillers and heat pumps. They also provide flow measurement instruments, electronic measuring and mechanical measuring instruments.

Smart Electric has been focused on HVACR components for over a decade. They provide HVAC systems' components, smart electric motors, capacitors and transformers for air conditioning, refrigeration equipment, valves, filters, heating and other appliances.

SMC Technologies is a provider of environmentally safe chemicals and water treatment. They deal with water treatment chemicals for boilers, cooling towers, closed systems, waste water treatment, metal finishing, specialty cleaners, and chemical feed equipment/filters; solvent replacement chemicals.

Smoak’s Comfort Control is a locally family-owned and operated HVAC company proudly serving Charleston, SC. With deep roots in the area and decades of experience, the team at Smoak’s is dedicated to providing reliable, honest, and professional heating, cooling, and indoor air quality services.

Sonobond Ultrasonics are manufacturers of ultrasonic welding equipment used for assembly of metals, filters, plastics and wire harnesses, and the sealing of copper tubing.

South Air Heating & Cooling has been providing high–quality, professional heating and air conditioning service throughout the Cartersville, Marietta and surrounding GA areas since 2003. In that time they have developed a reputation as a trustworthy, dependable local service provider.

Southern Air offers design, installation and service of heating, air conditioning, electrical, plumbing and piping systems for commercial and industrial facilities.

Southern HVAC provides Air Conditioning, Heating, Electrical, and Plumbing repair and maintenance services throughout Florida, Georgia, South Carolina, North Carolina, Texas, Kansas, and Missouri. Its ongoing objective is to continue growing and expanding to new markets. Comprising a set of distinct service brands, Southern HVAC Corp. is a provider of essential maintenance, repair, replacement, and new installation services.

Southern Trust Home Services is a leading electrical, HVAC, and plumbing company serving southwest Virginia.

SpeedClean manufactures and markets HVAC maintenance tools like portable coil cleaning systems, biodegradable coil cleaners, tube cleaners, mini-split cleaning systems and much more.

Spinco Metal Products, Inc. headquartered in Newark, is a pioneer in custom tubular components, machined parts, and subassemblies. They manufacture many types of fittings including brass, copper, aluminum, steel and stainless.

SquareHVAC have over 25 years of experience in the heating, ventilation, and air conditioning industry (HVAC). They believe in quality workmanship and customer service. They offer 24-hour emergency service throughout the year, including heating, ventilation system and air conditioning (HVAC).

Stack Heating & Cooling provides unparalleled HVAC services for residential and light commercial customers in the Cleveland, Ohio, area.

Steril-Aire, ISO Certified in both 9001:2015 & 14001:2015, launched UVC for the HVAC industry in 1994. Steril-Aire is globally renowned in the development of high-performance UVC solutions for air and surface decontamination.

Stone Claims Group is a team of public insurance adjusters, specializing in complex commercial claims. They have years of industry expertise and the results that they have accomplished so far prove their depth of experience. They are data-hungry and stay ahead by making use of the best tools available.

Strategic Air Services™ in Austin, Texas offer certified technicians who are devoted to installing and repairing HVAC systems. Their technicians also offer other services like heating installation, AC repair, HVAC maintenance and more! At Strategic Air Services™, they’re redefining HVAC service — one home at a time.

SubTech provides affordable and reliable HVAC services, including air conditioning and heating repair, installation, and maintenance. They contract with energy saving companies to improve commercial tenants energy usage.

Suncourt has been manufacturing products that provide better air quality and control since 1988. Their inventory includes ventilation and ventilation related products, including centrifugal fans, dryer boosting kits, radon kits, duct fans, motorized dampers, sound control, telescoping thru wall fans, temperature sensitive switch, speed controls.

Custom designed and manufactured plate fin heat exchangers. Hot water, chilled water, evaporator, condenser, steam, ammonia, and specialty coils. Copper, aluminum, steel and stainless steel construction.

SureFlow, by International Environmental Corp. are renowned manufacturers of hydronic fan coil systems. They also manufacture thermostats, blower coils, and floor units.