BUILDING AIR LEAKAGE, TESTING, AND MECHANICAL VENTILATION An Energy Code Discussion with a Local Jurisdiction Introduction: A local jurisdiction requested assistance with their goals to increase energy code compliance within their building department and to improve...
MECHANICAL CODE FAILURE – POOR ACCESS TO HVAC SYSTEMS IN ATTICS Application of the building science principles of heat transfer indicates that Heating, ventilation, and air conditioning (HVAC) systems located in unconditioned attics are inefficient, typically...
ACCA MANUAL J LOAD CALCULATIONS During the 2022 Utah Legislative Session, House Bill 39 was passed and subsequently signed by Gov. Spencer J. Cox. The bill included amendments to home battery storage systems, plumbing fixture flow rates, household appliance...
POOR HVAC AIRFLOW – PART 1 I have a room in my house which is cold in the winter and hot in the summer, I need a bigger system!” “My house isn’t cooling well so I hired a guy to put in a 5-ton air conditioner.” No, you don’t need a bigger system. You have an airflow...
A CONDENSER & HEAT PUMP CLEARANCE REMINDER – IMPACT ON COOLING CAPACITY, EFFICIENCY, AND EQUIPMENT DURABILITY The outdoor section for a central air conditioning (AC) unit and heat pump relies heavily on proper air circulation to function properly. The AC condenser...
