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Frequently Asked Questions

If the outdoor unit of my heat pump needs replacing, should I also replace the indoor component?

Premier Indoor Comfort Systems, heating and cooling speciali...
Heat Pumps should be replaced as a matched system using the same manufacturer. If a system is not properly matched then service problems such as freezing or failing in the heat mode could occur. If the system is only a couple of years old then you might be able to replace the unit with a like manufacturer and model number.
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When replacing the outdoor unit, should the indoor unit also be replaced?

Frequently Asked Questions
All outdoor cooling units are specifically designed to work with matched indoor units for optimum efficiency and performance. Air conditioner and heat pumps may "work" with other indoor units, but the result is a definite compromise in overall system performance. In recent years, indoor blower coil units have undergone numerous design advances - especially in the areas of air handling performance, filtering efficiency and operating sound levels.
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If an outdoor unit needs replacing, should the indoor unit be replaced too?

Horizon Air Conditioning of Arizona, Inc.: FAQ
Yes. Air conditioning and heating units are designed to operate as a complete, matched system. The efficiency rating is based on the entire system. Replacing the entire system ensures the system will be reliable and efficient. At Horizon Air Conditioning of Arizona, Inc., you can save money on the cost of a new indoor coil by having it replaced at the same time you replace the outdoor unit.
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Welcome to Quality Heating & Air Conditioning
Air conditioning and heating units are designed to operate as a complete, matched system. The efficiency rating is based on the entire system. Replacing the entire system ensures the system will be reliable and efficient.
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Frequently Asked Questions
It is a good idea to replace the entire system when a part of the system fails to operate correctly. That's because many air conditioning and heating units are designed to operate as a complete, matched system. The efficiency rating is based on the entire system. To gain the maximum benefit of new, highly efficient technology, the entire system should be replaced together. This ensures the system is reliable and efficient.
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Air Conditioning Heating Repair Service Frequently Asked Que...
It is a good idea to replace the entire system when a major component of the system fails to operate correctly, and can not be repaired. That's because Ruud, and many other brands of air conditioning and heating units are designed to operate as a complete, matched system. The efficiency rating is based on the entire system. To gain the maximum benefit of new, highly efficient technology, the entire system should be replaced together. This ensures the system is reliable and efficient .
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KIC, Inc. - FAQs
Yes. Air conditioning and heating units are designed to operate as a complete, matched system. The efficiency rating is based on the entire system. Replacing the entire system ensures the system will be reliable and efficient.
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Ruud AC: Frequently Asked Questions
Yes. Ruud air conditioning and heating units are designed to operate as a complete, matched system. The efficiency rating is based on the entire system. Replacing the entire system ensures the system will be reliable and efficient.
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Should I replace my indoor evaporator coil when I replace the outdoor unit?

B& R Air Conditioning & Heating
It is usually advisable to replace the indoor coil with the outdoor unit especially if the newer unit is of a higher efficiency value. This will ensure the new air conditioner will work properly and efficiently. If the system is more then 10 years old then the coil should definitely be replaced because older coils were usually less efficient and had metal drain pans that would rust and eventually leak.
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I need a new outdoor unit, but my indoor unit works fine. Why should I replace the whole system?

Purvis Heating & CoolingFAQ
Air conditioners and Heat Pumps are designed as matched system, with efficiency rating given for the whole system. If you replace only one part, you don't get the advantage of many technology changes that make the system work efficiently to ensure comfort. Also, the indoor system contains a cooling coil which may be partially blocked by particles that will decrease efficiency.
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What is a component unit?

Financial Assessment of Public Housing Agencies - FAQs - HUD
Component units are organizations that are legally separate from the primary government but for which the primary government is still financially accountable. Some component units are so intertwined with the primary government that they are, in substance, the same as the primary government. The criteria for determining whether or not a Housing Authority is a component unit is outlined in GASB 14 and GAAP Flyer #3.
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Are they indoor or outdoor dogs?

Kerry Blue Terrier Frequently Asked Questions
Although they were originally developed as farm dogs, they do best when housed indoors and treated as one of the family. These are people dogs and will always want to be where the family is. They will not do as well in outside kenneling situations. Most Kerry owners will admit that their Kerry sleeps on their bed.
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What is the difference between an indoor and outdoor unit?

Frequently Asked Questions About Self Storage
outdoor unit has access from outside. An indoor unit is within the property and will require you to go inside to access your unit.
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Storage Pros - Storage Pros Self Storage - Frequently Asked ...
outdoor unit has direct drive-up access from outside, like a garage door. An indoor unit is accessed from an interior hallway inside one of our storage buildings.
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Should my outdoor heat pump run during the winter?

Premier Indoor Comfort Systems, heating and cooling speciali...
Yes, it is normal for an outdoor heat pump to run during the winter as it is the primary heating & air conditioning source for all of the seasons.
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Should I replace my indoor evaporator coil when I replace the outdoor air conditioner?

Premier Indoor Comfort Systems, heating and cooling speciali...
It is usually advisable to replace the indoor coil with the outdoor unit especially if the newer unit is of a higher efficiency value. This will ensure the new air conditioner will work properly and efficiently. If the system is more than 10 years then the coil should definitely be replaced because older coils were usually less efficient and had metal drain pans that would rust and eventually leak.
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Why does the unit NOT have an indicator light to indicate that the filter needs replacing?

AustinAir FAQ's
Long answer - If you were to add such a device, there are three ways to do so. First, a simple timer could be used that would keep track of the length of time the unit has operated and turn on a light after a given length of time. Several companies that provide such a light do it this way. It is the least complicated and least costly method. Unfortunately, it really does not measure anything that tells that the filter needs to be replaced.
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What is a heat pump?

Frequently Asked Questions
A heat pump is an all-in-one heating and air conditioning system that works year-round to keep you comfortable. During warmer months, a heat pump works as a normal air conditioner. It extracts heat from inside the home and transfers it to the outdoor air. In colder weather, however, the process reverses - the unit collects heat from the outdoor air and transfers it inside your home. Even when the air outside feels extremely cold, the air still contains some heat.
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Is the Indoor/Outdoor repellant safe to use on upholstery?

SimpleSolution
It is safe on most fabrics, but it is best to test an inconspicuous area before treating a large area and make sure the fabric is colorfast. We recommend spraying a piece of cloth and then placing it on the area where you want to repel the dog or cat.
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What is the relationship between indoor and outdoor air quality (pollution)?

No building is perfectly sealed and so the air inside ultimately originates outside. Air pollution present in the outdoor environment will therefore enter into the building as well. Generally, pollutants present in the outdoor environment are present at a somewhat lower concentration than outside (probably 10 to 90% in most cases). There are several reasons for this. Some pollutants are absorbed by materials in the building. Others deteriorate or react chemically and so disappear.
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Is indoor tanning as effective as outdoor tanning?

Tanning Frequently Asked Questions & Benefits, FAQ
Yes, in fact, sometimes more so because you are in a controlled environment. Your skin produces a tan the same way in an indoor tanning salon as it does when you lay out in the sun: through ultraviolet (UV) light. However, out in the sun, you cannot control the amount of UV light exposure and trying to achieve an all-over even-body tan is very difficult. Indoor tanning allows you to control the amount of UV light, for all all-over even tan.
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Is there a difference between indoor and outdoor allergic reactions?

Central Pennsylvania Asthma and Allergy Care - Frequently As...
Yes, but only in the particular allergens that are present. Inside is mostly dust, mites, animal danders, and some molds. Outdoors are pollens, molds, and insect stings. The bodies immune response and the effect on medications is the same. This concept of indoor and outdoor histamine is pure "Madison Avenue" commercialism. All antihistamines work to block histamine regardless of the type of allergen or the location of exposure.
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Do indoor dogs really have different nutritional needs than in/out or outdoor dogs?

Little Bites Home Makeover Contest
Indoor dogs may get less exercise and may be prone to dry skin. This product was reformulated to provide:
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Is it okay if my pet or child inhales or licks the Indoor/Outdoor Repellant?

SimpleSolution
with any aerosol, it should not be directly inhaled or ingested. This is an EPA registered product so please follow the directions on the back or call Chemtrec at 1-800-424-9300 for immediate assistance for any emergency.
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What is the difference between seasonal (outdoor) and year-round (indoor) allergies?

Q & A about FLONASE and relief from your nasal allergy sympt...
Seasonal allergies, which some people call “hay fever,” generally occur in the spring and fall when trees, grasses, and weeds bloom and release pollen into the air. Year-round, or perennial, allergy symptoms are usually set off by indoor allergens like dust mites, mold, and animal dander.
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Are collies indoor or outdoor dogs?

Frequently Asked Questions
Both. Collies want to be with their people! They can tolerate reasonable outdoor temperature ranges, provided they have been acclimated and that there is adequate shelter and water. They do not thrive when banished to the outdoors without companionship! They are easy to live with indoors, are generally very clean, have little "doggy" odor, and most collies are not destructive.
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How do I know what size of heat pump I need and where to situate the outside condensing unit?

FAQ - Foster Air Conditioning Ltd. - Victoria BC - (250) 475...
Foster's customer service representative will be happy to come out your house to do a complete heat loss analysis to determine the size and location of your new heat pump. We will also discuss the best location of the outdoor heat pump during the audit. Click here to view pictures of some typical residential installs.
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what is the formula for comparing efficiency up-grades for a heat pump from AC/propane unit?

Ask the Experts - EnergyVortex
Please provide the capacity of the GE make heat pump model BWC0900400A2. Also include nominal airflow. we have a 2160 sq ft house "split type" master on one side rest of bedrooms on other side. Unit in garage in rafters, what size unit should we actually have. Currently we have 3 ton and it isn't getting job done. Runs incessantly. Same with heating. Thanks.
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Grayson Air Conditioning Mobile, AL's Carrier Dealer
Ans. A heat pump is an air conditioning system that has a reverse on its compressor. Instead of pumping the hot gas through the condenser coil in the outdoor unit, it sends it to the evaporator coil in your house and a fan blows the heat out through your ducts. Heat pumps are a quiet, safe, and clean method of heating as well as cooling your home.
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