Skills and Trades

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The ENERGY STAR label is awarded to those packages air-to air units with EERs of ________ or ... Started by Collmarie	3 Replies 93 Views	Jul 26, 2018 by wuly
Why do air source heat pumps usually require auxiliary heat? A) The heat pump compressor will not ... Started by mckennatimberlake	1 Replies 67 Views	Jul 26, 2018 by laurnthompson
An air to water heat pump is typically used for A) Industrial process heating B) Domestic hot ... Started by maychende	1 Replies 18 Views	Jul 26, 2018 by gasdhashg
The most common type of defrost control used on air source heat pumps is A) Time initiated and ... Started by magmichele12	1 Replies 55 Views	Jul 26, 2018 by iman
In a dual-fuel heat pump, what operates when second stage heat calls? A) the electric heat strips ... Started by rosent76	3 Replies 239 Views	Jul 26, 2018 by rosiehomeworddo
When is the water coil in a water source heat pump the acting evaporator? A) in the cooling cycle ... Started by BrownTown3	1 Replies 72 Views	Jul 26, 2018 by pratush dev
Where are packaged water source heat pumps normally located? A) Outside close to the building ... Started by rachel9	1 Replies 25 Views	Jul 26, 2018 by Galvarado142
Water and refrigerant flow through the coaxial coil A) at different times depending on the cycle ... Started by bb	1 Replies 70 Views	Jul 26, 2018 by Athena23
The temperature of the ground stays nearly constant A) at any depth below the frost line B) at ... Started by tsand2	3 Replies 49 Views	Jul 26, 2018 by nickk12214
A water source system that re-circulates water in pipes buried in the ground A) is called a ... Started by tichca	1 Replies 21 Views	Jul 26, 2018 by cam1229
An example of an open loop geothermal water source heat pump application would be a system connected ... Started by mmm	1 Replies 34 Views	Jul 26, 2018 by matt95
Match the type of system in the first column to the application in the second column. A. air ... Started by FButt	1 Replies 48 Views	Jul 26, 2018 by kescobar@64
Air source packaged heat pumps are commonly available in A) side discharge, bottom discharge, or ... Started by Brittanyd9008	3 Replies 14 Views	Jul 26, 2018 by ebenov
When installing the outdoor unit of a split system air source heat pump, it is important to locate ... Started by sabina	1 Replies 46 Views	Jul 26, 2018 by BUTTHOL369
Commercial air conditioning refers to air conditioning applications in A) private homes and ... Started by storky111	1 Replies 32 Views	Jul 26, 2018 by JCABRERA33
What efficiency advantage do water source heat pump systems have over air source heat pump systems? ... Started by justinmsk	1 Replies 147 Views	Jul 26, 2018 by cswans24
What code restrictions can prevent using an open loop geothermal system? A) patent and copyright ... Started by ashley	3 Replies 167 Views	Jul 26, 2018 by nicoleclaire22
PTAC units are A) Packaged temporary air conditioning units B) Partial temporary air conditioning ... Started by Chloeellawright	1 Replies 72 Views	Jul 26, 2018 by SamMuagrove
The refrigerant metering device used on most PTAC units is A) The thermostatic expansion valve ... Started by silviawilliams41	1 Replies 45 Views	Jul 26, 2018 by katheyjon
Compressor capacity can be controlled by A) Voltage or current modulation B) Discharge valve ... Started by lidoalex	1 Replies 30 Views	Jul 26, 2018 by Ksanderson1296
When is the optimal time for determining a system's balance point? A) after installing electrical ... Started by khang	3 Replies 40 Views	Jul 26, 2018 by qytan
Very large air conditioning loads are normally handled by A) Rooftop packaged air conditioners B) ... Started by tiara099	1 Replies 22 Views	Jul 26, 2018 by Bison
How is the condensate from the evaporator disposed of on a basement installation? A) The ... Started by ETearle	1 Replies 11 Views	Jul 26, 2018 by anoriega3
After leaving the unit, condensate drain lines should be run A) to the nearest plumbing waste ... Started by tiara099	1 Replies 101 Views	Jul 26, 2018 by alexisweber49
After installing the lines and coil on a split system heat pump, what steps must be taken before ... Started by littleanan	3 Replies 197 Views	Jul 26, 2018 by dudman123