Particles Plus offers a line of patented advanced-technology particle counters, air quality monitors, and environmental sensors. As the most vertically integrated particle counter manufacturer and technology licensing company in the industry, Particles Plus engineers and manufactures its own counter, display, battery, vacuum pump, and sensor technology from the ground up.

At Performance Heat and Air, they care about their customers and their comfort. Both of the owners have more than 35 years of experience in the HVAC industry, and their air conditioning company is built on strong family values and a second-to-none work ethic.

PureAC is the first automated disinfecting device for window & wall-mounted air conditioning and heating systems that instantly kills and inhibits mold, mildew, bacteria, and germs. It's the perfect solution for in-between professional servicing.

REFCO Manufacturing Ltd. manufactures HVAC/R service products and mini split condensate pumps.

RST Thermal is a Manufacturer's Representative, serving New England, for multiple manufacturers whose products offer a systems approach to comfortable heating and cooling. They provide technical and sales support to their wholesale distributor partners and contractors. For homeowners, they provide geographic lists of installing and servicing contractors to help them find the "best fit" for the project to be done.

S & A is the premier supplier of building and remodeling products including plumbing, heating, air conditioning, water systems, water treatment, electrical, and underground products in Berkshire County, Massachusetts.

Mfrs. reps. covering six New England states and calling on hydronic, HVAC, burner supply and plumbing/heating wholesale distributors for residential and commercial applications.

Sensata Technologies is a pioneer suppliers of sensing, electrical protection, control and power management solutions. Sensata's products improve safety, efficiency and comfort for millions of people every day in automotive, heating, air-conditioning and ventilation, data, telecommunications, recreational vehicle and marine applications.

Sensitech is focused on delivering supply chain visibility solutions that track, monitor and protect products for global leaders in the food, life sciences, consumer goods, and industrial markets. Their solutions are focused in three key areas: quality and compliance, supply chain security, and logistics performance management.

SMS Indoor Environmental Cleaning Inc provides high-quality mold and indoor environmental services. With over 30 years of experience in the field, the company's professionals will do all it takes to make any property safe and hygienic.

Tetra empowers homeowners to switch from fossil fuel heating and cooling systems to high-efficiency systems, like heat pumps, with a high-touch customer experience and a customer satisfaction guarantee. By helping homeowners through the complexities of federal and state energy efficiency incentive programs and offering affordable pricing on brand-name HVAC systems, Tetra saves homeowners money and removes all the stress of installing new energy.

Transaera is developing a new class of affordable, energy-efficient, environmentally friendly cooling systems. They provide services and products such as air conditioning, water recycling, agriculture, energy efficiency, and climate control systems.

Tunstall Corporation has provided customers with cost-effective energy products and solutions for over 50 years now. Their product line includes steam traps, control valves, self contained controls, and steam trap capsules for all steam traps.

W H Riley & Son provides their customers with all their heating and cooling needs. They provide installation & service for heating & cooling systems-boilers, furnaces, central & split system air conditioners, water heaters, generators, pool heaters and much more.

Wintac is a US-based renowned Business Management Software (BMS) solutions firm for field service and HVAC contracting companies. Wintac plumbing software provides valued real time information in order to control and increase efficiencies of technicians.

Wrightsoft Corp. offer easy to use, drag-and-drop HVAC design and sales software that combines both residential and commercial loads, CAD-quality ducts, proposals and in-home sales tools.