Category Archives: Tips

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heating, ventilation and air conditioning

Understanding HVAC Terms

Category:General,Tips Tags : 

Your HVAC unit has quit working! As you call to find someone to check it out, all of these HVAC terms are being said and it can be quite confusing. We’re going to define a few for you to help you concerning your future Heating, Ventilation and Air Conditioning questions:

What Does HVAC Mean?

Short answer: Heating, Ventilation and Air Conditioning

HVAC Unit:
This is the machine that heats and cools your home or work space.
Heating, ventilation and air conditioning

A mechanical device in the HVAC unit that compresses gas used by the air conditioner to compress freon.

Evaporator Coils:
The part of the HVAC unit where liquid refrigerant that the compressor moves into it turns to gas. As the air that blows from the blower fan moves over the coils the cold refrigerant removes the heat from the space’s air.

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air conditioning problems

Top 10 Causes of Air Conditioning Problems


The average lifespan of an air conditioning unit system is 10-15 years. Once a unit hits 10 years of age and begins to have air conditioning problems, it is time to see if AC repair costs will outweigh replacing the unit. New units will improve the indoor air quality and also help the resale value of the home.

Noticing white dust in the home? That happens to the duct work as it gets older. The combustion exhaust in a furnace is acidic. If this makes contact with galvanized steel, the acid will react with the zinc in the galvanizing, and this can produce a white powdery residue, as is commonly seen on the terminals of a car battery. If this substance is getting into the circulating air system, there could be a crack or hole in the heat exchanger, and that would be hazardous.

Excess noise shows the possibility of the duct work not being large enough for the square footage or a problem with the unit’s indoor coil.

Are you experiencing a rise in the energy bill but no change in how the unit is being used? That is always a big indicator the system is not running as efficient as it once was. In this post we are going to share with you some common air conditioning problems that hinder air flow.

Top 10 Air Conditioning Problems That Hinder Air Flow

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heating and air units

Disadvantages to buying an undersized HVAC unit


Heating and Air units can get expensive. Some people, thinking they are saving some money, buy a smaller unit than needed. Companies like ours understand the driving force behind this idea but we also know its going to cost you more in the long run.

Your Energy Bill will Rise

Although buying a smaller unit will initially save you money on cost of the unit, monthly the electricity use will increase, eventually using the money saved…plus more. An undersized unit will lack what it takes to reach a set temperature in an appropriate cycle time. Basically, the unit will be running at all times trying to cool the desired area to the desired temperature. The town of Wellesley, Mass., has estimated the average cost of running central air conditioning in a typical home for six hours a day will use 900 kilowatt/hours (kWh) per month. At a cost of $0.134 per kWh, this amounts to $120.60 per month. If that was being run on an undersized unit, the cost could be up to 4 times that! The constant running of the unit also arises our next concern for undersized units.

Repair Needs will Increase

Running the unit non stop will add a lot of wear and tear on the unit quickly. Undersized heating and air units do not produce enough velocity to push all the cool air out of the duct work. The air comes out, but not at the speed it needs to properly cool the area. When adding up the cost of repairs and regular maintenance, the undersized unit is costing you more than what you would have initially paid for the right sized unit.

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prevent frozen pipes

How to prevent frozen pipes

Category:Tips Tags : 

Frozen pipes can create leaks as the frozen water expands and cracks the copper tubing. When this happens, not only will you have little to no water supply, but when the pipes do thaw out, you can have some serious leaks to repair—or worse. But no worries. In this post we’re going to share some tips with you to prevent frozen pipes!


Keep all water-supply piping away from outside walls, where it could be exposed to cold winter weather.
If it is imperative to have pipes located on an outside wall, as they must be well-insulated. Piping insulation is sold in both rubber and fiberglass.
Insulate pipes in all other unheated areas as well, such as crawl spaces, basement, attic, and garage. Fix the source of any drafts (such as near cables, dryer vents, bathroom fan vents, windows) and insulate pipes at risk.
Before winter, close the water shut-off valve inside your home that provides water to outside spigots, and then drain each line by opening its spigot until it no longer drips. The, close the spigot.


Keep garage doors and outside doors closed, and plug up drafts.
Open all faucets, both hot and cold water, to just a trickle, to keep water moving in the pipes to help to prevent icing.
Set the thermostat to at least 55ºF both day and night—no lower. Higher is even better, especially if your home is not well-insulated.
Keep doors to all rooms open to allow heat to flow to all areas, which helps to warm the pipes in the walls.

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All You Need To Know About Our Financing Options


Cagle Service wants to make purchasing your emergency, immediate need or planned upgrade equipment hassle free. We accept all major credit cards plus can arrange for zero money down, short and long term, financing through our partner lenders. Some of our financing options offer “same as cash,” for your added convenience.

Consumer financing is an easy way to relieve that stress and purchase the equipment you are needing or wanting. At Cagle Service, we can apply for your credit account on site. Allow us to assist you, after all, that’s what we’re here for. We have two lenders we have partnered with: Synchrony Financial, who have been in business since 1932 and are one of the largest providers of private label credit in the United States and Fortiva Financial, with over 90 years of lending experience and the ability to handle challenged credit, as well as, offering a “second look” option.

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What is a Heat Exchanger? Associated Problems & Safety Concerns


What is a Heat Exchanger?

The heat exchanger in a furnace separates the combustion process from your breathing air.  Air is heated as it is blown across the hot metal surface of the heat exchanger. The heated air is then distributed through the house to warm the house.

The heat exchanger must have an air (and gas) tight seal to separate the gasses inside the heat exchanger from the breathing air passing over the outside surface. This is because the flue gasses can be poisonous.  Carbon Monoxide Gas and contamination of the breathing air by these gasses pose a health risk and can be fatal.

Now that we’ve answered the question of “What is a heat exchanger?”, let’s dig down into some common issues they have and some tips that can help you!

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Is Your AC Low on Freon, Continuously?


One of the most common service calls HVAC Service companies get is a complaint that the customer’s AC is low on Freon. Or they “need to have their unit recharged”. While this might seem normal and expected to the average person, it isn’t how it’s supposed to be!

ac low on freon

How Freon Works

Freon in itself is simply a refrigerant, or coolant. It’s a gas. This gas refrigerant is cycled through your air conditioner, starting with the ac compressor.

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Should I Replace My Air Conditioner? (Updated 2019)


Oh to have a brand new, high-efficient air conditioner! Wouldn’t that be great?

should I replace my air conditioner

But do you really need to replace your current air conditioner? Let’s go over some of the signs that indicate it might be time to replace your air conditioner, and also some of the benefits of replacement. We will also share some signs that indicate that you do not need a new air conditioner.

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Service Call? What Is It And How Much?


In the heating and air conditioning business, and the service business in general, we have a term referred to as a “service call”. It’s probably our most commonly used service term.

But what is it exactly? And what about the fee associated with it?

I’m glad you asked!

hvac service call

Service Call 101

A service call is simply a service that is rendered when a homeowner or business owner has a problem or malfunction that they need examined or diagnosed. 

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What Size AC Unit Do I Need?


When it comes to purchasing a new central air conditioning unit, there can be a lot of information to sort through. Pricing and getting a reliable brand are important factors. And of course, the size of the unit needed for your home (or business). In this post, we hope to help you gain a better understanding of the latter information: The size of the unit.

What size AC Unit

We aren’t going to go too in depth here. This is going to be a simple breakdown for the average home or business owner to estimate what size AC unit that they need.

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Cagle Service Heating and Air Conditioning Jackson TN

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Cagle Service, Heating & Air Conditioning, Jackson, TN
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