Duct Work

Answer:
The method by which air is channeled from the furnace or the blower coil throughout your home.

How much does it cost to add a second unit to your maintenance plan?

Answer:
The cost for purchasing the second unit is $117.

In relation to HVAC capacities, what is a ‘ton’?

Answer:
Unit of measurement for determining cooling capacity. One ton equals 12,000 Btuh.

What doe CAE stand for?

Answer:
Combined Annual Efficiency is a measure of the amount of heat produced for every dollar of fuel consumed for both home heating and water heating.

What does a heat exchanger do in a furnace?

Answer:
Located in the furnace, the heat exchanger transfers heat to the surrounding air, which is then pumped throughout the home.

What does an HVAC thermostat do?

Answer:
Usually found on an inside wall, this device operates as a control to regulate your heating and cooling equipment so that you can adjust your home comfort at the touch of a switch.

What does CFM stand for?

Answer:
Cubic feet per minute. A standard measurement of airflow.

What does HSPF stand for?

Answer:
Heating Seasonal Performance Factor. A measure of heat pump heating efficiency. The higher the rating, the more efficient the heat pump. The US government’s established minimum HSPF rating for furnaces is 6.8%.

What does HVAC stand for?

Answer:
Heating, Ventilation, and Air Conditioning.

What does the acronym SEER mean?

Answer:
Seasonal Energy Efficiency Ratio. A measure of cooling efficiency for air conditioners. The higher the SEER, the more energy efficient the unit. The government’s minimum SEER rating is 10.

What is a BTU?

Answer:
That’s the amount of heat required to raise one pound of water by one degree Fahrenheit. What that means is the higher the Btu rating, the more heating capacity of the equipment.

What is a BTUH?

Answer:
British Thermal Units per Hour – The amount of heat required to raise the temperature of one pound of water one degree Farenheit.

what is a compressor on my air conditioner or heat pump?

Answer:
The part of the outdoor air conditioner or heat pump that compresses and pumps refrigerant throughout the system.

What is a condenser coil on my air conditioner or heat pump?

Answer:
The outdoor portion of an air conditioning or heat pump system that serves as a heat transfer point for dispelling heat to the outside air, as in an air conditioner or heat pump in the summer; or for collecting heat from the outside air, as in a heat pump in the winter.

What is a damper and where is it located?

Answer:
Located in ductwork, this regulates airflow. Effective in controlling airflow for zoning.

What is a db? What does a db measure?

Answer:
Decibel, a unit of intensity of sound.

What is a heat pump?

Answer:
An HVAC unit that heats or cools by moving heat.

What is a single package HVAC system?

Answer:
A heating and cooling system contained in one outdoor unit.

What is a split system for HVAC?

Answer:
A combination heat pump or air conditioner with indoor components such as a furnace or blower coil. Split systems should be matched for optimum efficiency.

What is AFUE? What does AFUE measure?

Answer:
Annual Fuel Utilization Efficiency. A measure of a furnace’s heating efficiency. The higher the AFUE percentage, the more efficient the product. The US government’s established minimum AFUE rating for furnaces is 78%.

What is an air handler?

Answer:
The indoor part of a central air conditioning or heat pump system that moves cooled or heated air throughout the ductwork of your home. An air handler is usually a furnace or a blower coil.

What is an evaporator coil and where is it located?

Answer:
The part of a heat pump or air conditioning system that is located inside the house in the air handler. It is here that the refrigerant evaporates as it absorbs heat from the air that passes over the coil.

What is CO?

Answer:
Carbon monoxide is an odorless, poisonous, flammable gas produced when carbon burns with insufficient air and is deadly to humans.

What is HVAC zoning?

Answer:
The ability of partitioning a home into various zones, thereby providing the opportunity to control comfort levels in each zone.

What is ISO 9000?

Answer:
A family of international standards for quality management and assurance.

What purpose does an HVAC humidifier serve?

Answer:
Equipment that injects moisture into heated air as it passes from the furnace into the ductwork to be distributed throughout the home.

What purpose to refrigerant lines serve?

Answer:
Two copper lines that connect the outdoor air conditioner or heat pump to the indoor evaporator coil.