D-Tech Sales are the HVAC/R manufacturer's representative covering California, Nevada, Arizona and Hawaii representing Eaton B-Line, Hartell Pumps, CFM Fans, Fieldpiece Instruments, REFCO, Panasonic HVAC, Williams Comfort Products, Sensible Products, Dow Products, EWC Controls, Eaton-Edison & BMP Refrigerants.

Manufacturer of process and precision air conditioning equipment for computer rooms, technology centers, or wherever temperature and humidity control is critical.

Delta Electronics is committed to developing innovative technologies and solutions for a better tomorrow. Delta Breez is the one-and-only brand of residential bathroom exhaust fans that can deliver a powerful combination of high-performance, quietness, state-of-the-art brushless DC motor technology, and affordability in every fan.

Delta is a global provider of switching power supplies and thermal management products with a thriving portfolio of smart energy-saving systems and solutions in the fields of industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage and display, to nurture the development of smart manufacturing and sustainable cities.

DeltaTrak, Inc., is a globally renowned innovator of cold chain management and temperature monitoring solutions. Their product line includes a wide range of temperature and humidity data loggers and wireless systems. They also have portable environmental test and measurement systems, including thermometers-digital and infra-red, temperature/humidity monitoring and recording devices and wireless systems in their inventory.

Dennis’ Heating and Air Conditioning, Inc provides HVAC Installation, Retrofits, Service and Maintenance, as well as a full service sheet Metal Fabrication Shop. They are capable of fabricating almost anything, if customers can draw it, they can build it. The company is known for their knowledge, reliability, and incredible customer service.

Dependable Refrigeration, Inc. specializes in commercial refrigeration installations. They have over 30 years of experience in the commercial, industrial refrigeration field.

Desert Air Conditioning offers superior HVAC services for the home or business in Palm Springs and the surrounding areas.

The industry standard since 1988. Bringing intelligence to every day life with Dexen Telemetry connected products.

Dexen supplies heating components to OEMs in HVAC and Hearth industries. They are also renowned providers of gas control systems and remote monitoring systems for the HVAC industry. Their products include gas valves (millivolt, 3V, 6V, 24V), electronic ignition control modules, pilots and supplemental components. Our services are in quality management, warehousing, logistics, engineering consulting and custom applications.

Dimer LLC is the manufacturer of GermFalcon is a patented sanitizing device that instantly kills infectious germs on surfaces and in surrounding air. Using only ultraviolet-C (UVC) light, the kind used in hospitals, this highly-effective device is mobile and compact — no larger than a flight attendant’s food and beverage cart.

Done-Rite Plumbing & Rooter is the premier plumbing company in Orange, California, USA. They are a full-service plumbing contractor offering everything from water heater installation & repair, drain cleaning sewer line repair & installation, and general plumbing services. They service the entire Orange County area and can be out to any property in the area same-day for plumbing services.

DunAn Sensing offers high-performance OEM pressure sensors, transducers, and transmitters with MEMS packaging technology compatible with harsh media.

Duratrac, Inc. provides a host of professionally engineered connectors designed to perform optimally with your residential and commercial gas and water heater applications. All Duratrac flex features durable stainless steel construction without tapering at the ends to help insure optimal flow, while our end fittings and valves are zinc iridate plated to prevent corrosion

Eliminate expensive shutdowns with a copper tube emergency shut off valve. Replace failed valves or install a new valve for hot or cold water in less than 10 minutes without turning off the water. No More Draining Systems or Pipe Freezing. Just EasyFit.

Ebac specializes in providing pre-engineered dehumidification solutions for military, industrial, commercial and residential applications. They have 40 product lines, and warehouses on both coasts. They provide Industrial dehumidifiers and building dryers, and ventilation/circulation fans.

EcoRebates is the industry’s largest product offer platform for Residential and Commercial products. They support energy efficient product categories, including Major Appliances, HVAC equipment, Water Heating, Boilers, Plumbing equipment, Smart Home products, Insulation and more.

Ecorithm is a data analytics company with a cloud-based Fault Detection and Diagnostics software that specifically focuses on optimizing HVAC systems.

Since 1989, ELAN has been dedicated to simplifying and enhancing the smart home. The company's award-winning smart home entertainment and control system seamlessly combines whole home audio and video, TV, climate, lighting and other home systems with an easy-to-use interface that puts the users in control, from anywhere in the home or anywhere in the world.

With over 20 years of experience, there’s no one better you can trust with your residential and commercial HVAC needs than our team at 805 Elite Heating and Air Conditioning. Offering repair, maintenance, and installation services, we take pride in being a local go-to. That’s why we dedicate ourselves to going the extra mile for our customers and striving to exceed their expectations. Get the white-glove service you deserve and call us for a free

Mesa Energy Systems, Inc. (dba EMCOR Services Mesa Energy) has provided its clients with high-quality mechanical, commercial HVAC, and building automation consulting and services that address the most compelling energy-related issues. They are commercial HVAC contractors with the knowledge and experience to also provide commercial refrigeration repair and chiller services.

Empire Supply Company, Inc. is a wholesale distributor of plumbing, heating and cooling products. Empire Supply is a located in Visalia, California with a territory that encompasses the southern San Joaquin Valley. The region is also served by Empire's affiliate, R.R.E & E. Corporation.

Deploying autonomous intelligence and analytics, Encycle improves commercial HVAC management, energy efficiency and building comfort to reduce operating costs and carbon footprint. As the only utility-endorsed HVAC optimization software, their patented machine learning solutions seamlessly integrate into maintenance workflows and enable multi-site companies to maximize energy efficiency, improve budgetary spend, and reach sustainability goals.

ENERGAIR is the sustainable compressed air management arm of CMC – the global experts in compressed air control, performance and monitoring solutions. Harnessing almost four decades of knowledge and experience, and tapping into CMC’s growing range of brands, products and technologies, ENERGAIR provides a fully integrated compressed air management service that focuses on helping customers reduce their compressed air-related carbon footprint.

Energy Cloud Inc. is a clean-tech company focused on energy efficiency, sustainability, and healthy building environments. It helps customers save money and energy by managing and measuring electricity, water, and gas usage through our gMeter® platform, AI, and Hummingbird™ HVAC line of products.

Energy Resources Integration (ERI) provides engineering services including energy efficiency engineering and high level energy management support. ERI provides a range of services including energy audits, engineering studies, energy modeling, financial analysis, project management, and technical training so that you can reduce your energy spend.

Energy Solutions is focused on creating large-scale environmental impacts by providing cost effective, market-based carbon, energy, and water management solutions. For over 25 years, they've been pioneering end-to-end, market-driven solutions that deliver reliable, large-scale and cost-effective energy savings and carbon reduction to their utility, government, and private sector clients across North America.

Engineered Filtration Systems (EFS) takes pride in developing high quality filters for the HVAC and Gas Turbine Inlet applications. Because of this, our filters are tested before putting our name on it.

EPIC-FSC is a 501(c)(3) nonprofit organization dedicated to helping Calabas residents mitigate risks, survive emergency events, and recover from fires, earthquakes, and other natural disasters.

Evolution Heating & Cooling provides reliable HVAC services in Turlock, Modesto, Oakdale, and surrounding areas. With 20+ years of hands-on experience, they specialize in heating, cooling, duct cleaning, heat pumps, mini splits, and attic insulation. They focus on energy-efficient solutions, honest service, and quality workmanship. Whether it’s a system upgrade, repair or routine maintenance, they’re here to keep spaces comfortable year-round.