It is increasingly common to read about building occupants complaining of health problems related to indoor air. Problems often are attributed to mold, gasses from materials such as flooring adhesives ...

BEVERLY — Varian Medical Systems says it will install a new system at a home near its contaminated former site in an attempt to prevent toxic chemicals from getting inside the house. In a new filing ...

Beyond the typical HVAC service checks for your customers, you might need to tackle issues with sub-slab HVAC ducts. In contrast to in-slab ductwork built into a concrete floor, sub-slab ductwork is ...

A new line of radon mitigation products by Tjernlund Products is now available for HVAC contractors who wish to expand their residential services. The product line includes: the Radon VAC ...