The purpose of a fire-rated wall or ceiling is to prevent the spread of fire and smoke. Whenever there is any penetration of a fire barrier, which can include ductwork, electrical conduit, plumbing, and refrigeration lines, the integrity of the wall must be maintained. In general, fire dampers are required where air ducts penetrate a […]
An acquaintance recently shared an unpleasant experience she had with a young HVAC technician who repeatedly interrupted her, scoffed, rolled his eyes, and sighed audibly when she spoke during a service call. When he brushed past her to another room to access her thermostat without asking permission, she understandably decided she’d had enough and asked […]
Identifying and sealing duct leaks is one of the best ways to increase HVAC system efficiency and decrease energy consumption. While it’s impossible to achieve a 100% leak-free system, duct systems commonly lose as much as 30% of conditioned air, so it’s important to minimize duct leakage as much as possible. Here in New Jersey, […]
Ease of installation is one of the primary reasons for the popularity of flexible duct in new construction HVAC systems. Paradoxically, ease of installation is flex duct’s biggest drawback. Substandard flex duct installation is a common and widespread problem that degrades HVAC system performance. Flex duct that is correctly installed according to local codes and […]
The Residential HVAC Industry is Still Dominated by Men, But It’s Women Who Hold the Purchasing Power There is a tendency among many of us in the HVAC trade to gear our communications and sales efforts toward men, but don’t be fooled into thinking that men are your primary sales audience. In fact, women are […]
When a compressor fails, it seldom happens due to a defect in the compressor itself. In fact, 90% of compressor failures occur as a direct result of issues found elsewhere in the system. If a new compressor is installed without identifying and fixing the root problem, the new unit will likely fail as well. Loss […]
How air travels throughout rooms and open areas of a home is one of the most important factors in occupant comfort and HVAC system performance. With proper air delivery, HVAC contractors can avoid complaints and costly return trips and field adjustments down the line. The first step in designing residential and commercial HVAC systems is […]
Sizing ductwork is not something that can be determined with a rule of thumb or educated guesswork. Duct sizing boils down to science – specifically, physics – and despite the inclination of some HVAC contractor to fit a tight budget by undersizing ductwork, physics is indifferent to money. A cooling system with undersized ductwork simply […]
E.P. Homiek Sheet Metal & HVAC Supply provides prefabricated ductwork and for residential and commercial projects as well as custom fabrication. Prefabricated fittings can be oftentimes be modified in the field using shears and crimpers to meet a contractor’s needs, providing an economical way to keep job costs down. Many contractors opt for both, mixing […]
How air travels throughout rooms and open areas of a home is one of the most important factors in occupant comfort and HVAC system performance. With proper air delivery, HVAC contractors can avoid complaints and costly return trips and field adjustments down the line. The first step in designing residential and commercial HVAC systems is […]