Hvac

Leaky air ducts increase energy costs and impact indoor air quality. Learn how to find leaks in HVAC ductwork in this comprehensive guide.

Fastest ways to calculate air volumes 🔄 CFM with AC system 💠 The abbreviation of CFM is Cubic Feet per Minute, which is a major metric in HVAC systems for determining the amount of moving air (flow rates), which is calculated using three methods as follows: 1️⃣ CFM account based on room size ✔️Calculation is done by using equation CFM = (Room Volume × Air Changes per Hour ACH) ÷ 60 ⬅️ Room size = length x width x height (in feet) ⬅️ The number of times the air changes per ACH hour...

🧊 MEP / MECH / HVAC / CAL – 251028 🔹 Top 14 HVAC Thumb Rules Every Estimation Engineer Should Know In HVAC design, thumb rules serve as essential tools for quick estimations, feasibility checks, and on-site decisions. While they should never replace detailed calculations, these rules provide reliable ballpark figures that help engineers make informed preliminary judgments. Here are 14 widely used HVAC thumb rules across the industry: 1️⃣ Airflow for Comfort Cooling → 400 CFM per ton of...

Wholesale and retail sales of ductwork and custom made sheet metal fittings for the heating and air conditioning industry.

All photos: courtesy U.S. Dept. of EnergyOn most projects, HVAC flexible ductwork is located in designated chases that maximize the efficiency of the airflow. But the path for...

Richard Trethewey finds space for the air conditioner in the Charleston Single House.SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouseEnjoying...

How to insulate round sheet metal air duct with R-8 thermal insulation sleeve: sealing the insulation butt joints.

This basement gets very cold in the Winter, so after speaking with an HVAC contractor in my area they suggested I add a return air vent to suck some of the c...

Keep things cool and save cash by cleaning your AC condenser. Here's how.

NCI Instructor John Puryear talks about the impact of the Two-Foot-Rule on overall HVAC system performance. What is that rule? We're glad you asked.

For your HVAC system, ductwork is one of the most critical parts of the system. Its main function is to distribute cool or heated air to the connected rooms of your household. The passage of the air ducts acts as a channel. If you want to install new HVAC ductwork to replace the existing one, you will come across different types of ductworks to choose from.

Here in our Hvac for Beginners area, we first look at the basic hvac duct system before installation begins.

In this tutorial I am happy to show you how to properly install flexible duct to a register can for all you heating & air conditioning ventilation do it your...

hvac flex duct boot connection with rigid elbow