Goettl Air Conditioning Phoenix Blog : Archive for January, 2014

How Insulation Keeps Your Home Cool and Warm

Friday, January 31st, 2014

There are some misunderstandings about home insulation that we often encounter in our work. One of the most common is that the purpose of insulation is to keep a house warm. That is one of insulation’s purposes, but not the only one. Because people often associate insulation to keeping protected against the cold, they don’t often realize that insulation will also keep them cool. This is why, even in a desert climate like that in Glendale, AZ, insulation is vital for your home. Without proper insulation, your AC would struggle every moment it was on during the hot season, and you would pay a small fortune in energy bills.

To make sure you have effective insulation, talk to our comfort experts at Goettl Good Guys Air Conditioning. We offer a full range of insulation services in Glendale, AZ.

What Insulation Does

Insulation is a thermal barrier: it blocks the movement of heat. Heat travels in three ways: conduction (the movement of heat through contact, such as when you touch a metal pan that’s been in an oven), convection (the movement of heat through air, such as feeling warmth in the air blown from a furnace vent), and radiation (the movement of heat in electromagnetic waves off a heated object, such as feeling heat coming from sunbaked asphalt). Insulation, most of which is composed of fluffy material, stops the movement of heat through convection and conduction, although not through radiation.

During cold weather, the insulation in your home traps the heat coming from your heating system and prevents it from escaping outside. This is especially important in the attic, because heat rises and the attic is the main place it will leak out. Insulating the attic works the same way as wearing a woolen cap on your head on a cold day.

During hot weather, insulation prevents outside heat from entering your home, and thus makes it easier for your air conditioner to overcome the temperature.

You might at this point wonder what can be done with heat moving through radiation, since insulation doesn’t stop that. But there’s a solution to that as well: radiant barriers. This reflective spray put on the undersides of roofs deflects radiant heat from direct sunlight so it cannot enter a house through the attic. A single coat can block out 80% of the sun’s heat energy, which is extremely helpful in sunny Arizona.

Make Sure Your Home Has the Best Insulation

If your bills for heating and cooling seem abnormally high, you may need to have new insulation put in, or perhaps a radiant barrier added. We offer a variety of energy efficient services. For installation and repairs on insulation in Glendale, AZ, contact us today and schedule your next service appointment!

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This Is How Dirty Ducts Affect Your Home’s Heating

Tuesday, January 28th, 2014

Modern gas furnaces depend on a system of ducts to distribute hot air throughout your house. Over time, dust can build up inside those ducts. We live in a dusty part of the country, and over time that can create severe problems with your indoor air quality.  Even worse, dirty ducts can affect your furnace’s ability to heat the household, making it work harder to do its job.   If you need duct cleaning in Scottsdale, give Goettl Good Guys Air Conditioning a call today.

In the first place, air flow through the ducts can be restricted if the build-up gets high enough. Reduced air flow means that the heated air isn’t circulated through your home as quickly as it could be, slowing the heating process and forcing your system to work harder to get to the temperatures you need it to be. That means higher monthly heating bills as well as increased wear and tear on the components.

Dirty air ducts can also lead to clogged air filters, which can cause your heating system to heat less effectively. Really dirty filters can restrict air flow so much your furnace will shut down to prevent overheating! If you have to change your furnace filters often because they keep getting clogged, its a good sign you need your ducts cleaned.

Furthermore, dust and dirt can lead to poor air quality. This can exacerbate allergies and increase irritation in the nose and throat, which you certainly don’t want to accompany a cozy temperature.

The good news is that you don’t have to live with the problem. Once you know how dirty ducts affect your home’s heating, you can take steps to correct it. Here in Scottsdale, duct cleaning services are provided by the professionals at Goettl Good Guys Air Conditioning. We’ll get the dust out of your duct system and set up a maintenance schedule to help keep your heating system free of dust going forward. Pick up the phone and give us a call today to make an appointment. You’ll be glad you did!

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Why Do Heat Pumps Use Refrigerant?

Saturday, January 18th, 2014

A heat pump is an alternative to more traditional forms of heating and air conditioning, combining both functions into a single unit. When it comes to using heat pumps in Tempe, AZ, many residents are quite familiar, since they work extremely well in a desert environment like ours. Refrigerant gas is the key to a heat pump’s functioning, cycling it through a system of valves and coils to alternately warm and cool the air. Why do heat pumps use refrigerant? Because it’s a very efficient way to deliver the conditioned air you need without using a lot of energy.

Refrigerant serves as a sort of transfer for different temperatures, adding heat to the surrounding air or pulling it from the surrounding air as it transitions from a liquid to a gas and back again. At the start of the cycle, it enters a compressor valve, which subjects it to a lot of heat and pressure, then into a compressor coil, which bleeds the heat into the air and returns it to a liquid state. Later on in the cycle, it enters an evaporator coil, which pulls heat form the surrounding air as it moves from a liquid to a gaseous state. (In heat pumps, that process can shift from indoor to outdoor coils and back, allowing you to heat your home with the warm air in the winter, and cool it with the cold air in the summer.)

None of that involves actually creating any heat of coldness. This differs markedly from gas-powered furnaces, which require fuel to burn, and from electric furnace, which use electric coils to create the heat directly. Heat pumps don’t need to create any energy to manufacture heat. The refrigerant does he job for them. All they need to do is circulate the refrigerant through the system, a process that takes much less energy than other types of heating.

For more answers to “why do heat pumps use refrigerant?” or to schedule repairs or installation services, Goettl Good Guys Air Conditioning is standing by to help. We specialize in heat pumps, Tempe AZ residences are part of our service area, and we back all our repair up with a pledge of quality to you. Pick up the phone and give us a call today!

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Are Loud Sounds from My Heater a Reason to Call for Repair Help?

Sunday, January 12th, 2014

If you’ve lived with your heater through at least one cold spell (yes, we do have them in Phoenix), then you’ll know the sort of sounds it makes during regular operation. When your heater makes a strange, loud sound you haven’t heard from it previously, it’s usually a caution sign: something is going wrong within the heating system, and it may require repairs. Pay attention to those noises and don’t hesitate to call in for heating service in Phoenix so you can help ensure your family’s comfort this Winter.

Goettl Good Guys Air Conditioning has decades of experience servicing heating systems of all kinds. If you hear any of the following noises coming from your heate—whether you have a furnace, heat pump, or radiant syste­m—contact us for the inspection and necessary repairs.

Warning sounds from your heater

  • Loud clicking: Depending on the type of system you have, this could be a number of different problems. For heat pumps, it might be dirty bearings on the motors or a dying capacitor, both of which require immediate attention. With a furnace it could be a malfunctioning electrical ignition, or even cracks in the heat exchangers. The latter can be a serious hazard because it leads to carbon monoxide leaking, so make sure you get repairs done immediately.
  • Clanging and banging: The likely culprit here is a major mechanical piece that has come loose and is hitting the other components. For furnaces and heat pumps, this is often a loose blower motor fan belt. If the belt frays or cracks, it can come loose and will start to strike other parts of the heater. Only timely repairs will keep it from spreading the damage.
  • Booming: For gas-powered furnaces and some hydronic systems like radiant floor heating, this noise occurs because of dirt along the burner unit. Too much grime or a build-up of rust will block oxygen from reaching the gas jets, resulting in this noise.
  • Grinding: This probably because of motors that are overworking and close to burning out. They will need to be replaced.

Repair now or suffer later

Potential repair needs should be looked into immediately, because damage tends to spread to other components in a heater if not taken remedied. The longer you let a malfunction go, the more the heater will overwork until it breaks down and you have a much more expensive repair job on your hands. The strange noise might have an innocuous cause, but chances are high that it doesn’t—so call up professionals like Goettl Good Guys Air Conditioning to take care of your heating in Phoenix, AZ when it might be in trouble.

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