Manual D includes a number of informative appendices related to air distribution systems (e.g., equipment and air-side components, controlling excess air when VAV dampers close, duct loads, duct ...

If techs are still using the 0.10 rule of thumb to size duct systems, chances are very high the air balance will fail. The ducts won’t be large enough to move the right amount of airflow, and it ...

Imperial, Sept. 20, 2023 (GLOBE NEWSWIRE) -- Imperial, Missouri - IMPERIAL, MO - SafeAir Duct Care, a recognized leader in air quality solutions, has announced the expansion of their top-tier Air ...

Having spent 30+ years in residential construction, contracting, ... Central air generally refers only to air conditioning systems that use the forced air system’s ducts to move its conditioned ...

Phnix releases residential air-to-water heat pump The Chinese manufacturer said its new propane heat pump has a seasonal coefficient of performance exceeding 5.0. January 12, 2024 Emiliano Bellini ...