Most new installations of grilles and diffusers involve a suspended ceiling grid, but some installations require surface mounting. Square ceiling diffusers and filter grilles can present the biggest challenge. Here are some recommended guidelines and solutions.
Although the project had to be redesigned more than once, the Almost Home Animal Shelter in Fort Dodge, Iowa, has now been efficiently operating for more than a year with a dedicated outdoor air system (DOAS) and an integral energy recovery wheel.
Manufactured from a durable polyester material, PolyArmor™ duct liner is fiberglass-free and won’t irritate the skin, the company said. The polyester material is webbed into a thermal blanket, which is then bonded with a Foil-Scrim-Kraft (FSK) facing to resist damage during system installation and operation.
The TapeMaster™ HVAC-TAPE2 is a 2-inch aluminum foil tape dispenser. It is engineered to remove the paper release liner from foil tapes with ease. The tape dispenser conveniently rolls the waste paper onto a take-up reel for easy disposal, eliminating little pieces of scrap from the jobsite, the company said.
In a tight economy, contractors have to move beyond just selling the basic furnace or air conditioner to customers. One way to expand sales and improve profits is by focusing on IAQ products.
Featured in an updated 24-page catalog are the manufacturer’s Model SP and CSP centrifugal ceiling and cabinet exhaust fans, designed for clean air applications requiring low sound levels. AMCA-certified and Energy Star-rated fan models are highlighted, along with new grilles and lighted grille lens options.
Direct drive wall fans are designed for compact and cost-effective through-the-wall general ventilation applications. These multispeed axial fans feature aluminum fan blades and a plated steel wire guard in sizes ranging from 10 to 30 inches.
The NEWS reports on new products found by our editors at the recent AHR Expo in Chicago. Products are listed in alphabetical order within each category.
Many homeowners dealing with winter roof ice dams or summer high attic temperature problems due to inadequate attic ventilation now have the option of adding booster fans under existing roof vents instead of cutting additional holes in their roofs to install attic ventilation fans, the manufacturer says.
The Iris damper is a simple solution for fast and exact air balancing and measurement of airflow. It is ideal for supply and exhaust tracking control, individual comfort control, and any space requiring accurate airflow regulation, the company says.