South Jordan Air Conditioning & Heating

Yes we do.

Duct work is a system of ducts used for a particular purpose, as in a ventilation or heating system. the pipes, vents, etc., belonging to such a system. Mostly made from sheet metal or aluminium boxes, round pipes and elbows…basically.

In the idea refrigeration cycle there are two working pressures .. the evaporator being at a lower pressure and condenser at a higher pressure. If you see the ranking cycle curve at higher pressures the latent heat is lower than at lower pressure. The hot refrigernt coming from the evaporator needs to be cooled by using ambient conditions. Thus by compressing the refrigerant the latent heat to be pulled out at a higher pressure is very low when compared to that at the evaporator pressure and hence the refrigerant exits the condenser as a liquid . If you were not to use a compressor in order to cool the refrigerant you will need another heat sink/refrigerant cycle to cool the refrigerant which is practically not feasible .

Yes it can. This is known as HEAT PUMP. HOW IT WORKS? Imagine Split ac, if you have a split ac, and while installing the ac, we reverse the positions of indoor and outdoor units ie install the indoor unit outside the room and install outdoor unit inside the room. By doing this heat will be dissipated inside the room and your room will become warm.

As per the codes and standards such as ASHRAE and CIBSE there is screquirement for ventilation either by introducing natural ventilation or mechanical ventilation , fresh air and / or exhaust with treated air not , it is a must to ventilate a house , kitchen, store or toilets to excct fresh air or introducing fresh air for better confort of the occupants. To reduce the smell or unwanted accumulated gases such as could , co2 , food smell , skin sweting smell, vapor from shower or toilets. The standards recommend rates for airflows suitable for providing adequate / required ventilation .

VRF (Variable Refrigerant Flow) is suitable for area where cooling requirement is different in different zone or area. Inverter technology based intelligent compressor controls the flow of refrigerant as per requirement of different zones. VRF is suitable for areas where cooling requirment is variable in different zone. like a residence or a small commercial building or a small hotel. For Industrial building, most suitable will be a chiller based HVAC system.

The high limit switch opens the circuit to the gas valve at around 200° f and closes around 160° f. This prevents over heating the heat exchanger. When the gas comes on it heats up and the low limit switch waits until it gets hot enough and closes the circuit to the blower. It comes on and will continue to run unless it overheats. This is where the high limit switch come in and says hey it’s getting too hot in here and turns the gas off. When it cools back down it closes again allowing the furnace to restart. But if this switch is opening you probably have airflow issues. This is the most common reason for an overheating heat exchanger. First culprit is a dirty filter which restricts airflow.

If you are speaking of the outside condensing unit there are factors to consider. I would assume you are upgrading to a higher efficiency. That being understood, you must also replace the indoor evaporator coil as well. These are a matched set and don't let anyone tell you differently. People like to hear anything that makes the cost lower and there are a fair share of companies out there that know this and just looking for the quick buck. It is easy to replace the outdoor unit itself and that is where the money is. Replacing the indoor coil is not so easy and thus more labor intensive. So a shady contractor could replace four outside units in the same time he could properly replace both the inside and outside coils.

They are not “necessary” for the primary function of the HVAC system; only for its continued good function. Absent filters to capture most of the particulate in the air, the working parts of the machine itself will capture it. First, the cooling coil, which is itself a filter of really big stuff floating around in the air, which would have been captured by the filter, will capture large bits of lint and trash, bugs, etc. That will lead to less efficiency of the system itself and if left long enough, complete stoppage of the air flow. The next thing in line to capture trash is the fan that moves the air. Generally it is a squirrel cage fan, meaning a fan with many closely spaced parallel blades that looks something like a squirrel cage. The blades will first capture large foreign matter, bits of paper, lint, dust, etc.

There are many softwares that are required for the calculation of many things in HVAC AutoCaD- For drawing & drafting Ductulator- For calculating ducts dimensions and its airflow, frictional loss, bends etc. Heat load softwares that are generally made in excel itself by using formulas. Pipe size and it’s flow calculation softwares like pipeflow, etc. Revit - Again for drawing and drafting in 3D or 3D modelling. These are the autonomous softwares required for anyone to design Hvac system.

Central heating systems are used to heat a building. The term, “central” is in contrast to the prior norm, which was a coal or wood stove or fireplace in each room (in the better homes).