Car Talk Live Podcast #296: Q&A with Scotty Kilmer

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You can ask any business to offer evidence of basic liability professional insurance. Any company that is not willing to provide evidence of general liability (GL) insurance should be avoided. A minimum basic for GL insurance is $1 million for property work and $2 million for light industrial.

There are other approaches for researching air conditioning, heating and ventilation companies such as: contact your local Better Business Bereau (BBB), carry out online searches and reviews and ask the company in concern for references. However, all of these approaches disappoint extensive transparency. The BBB actually works for the business it represents as they are just ranked if the company in concern pays them a recurring fee. Online review websites rarely show all the reviews received, and post evaluations from sources that are not always reliable. This supplies a platform for business to publish their own reviews and people to quickly post evaluations without the company in concern's capability to expertly fix the concern. Additionally, no company would offer a negative referral; just those that are exceptionally favorable. None of these are ideal dynamics for consumers looking for completely impartial evaluations and recommendations. It is recommended to utilize these approaches as an educated consumer and think about the information source for what it is worth.

Among the very best ways to find a brand-new cooling, heating and ventilation professional is by means of the "word-of-mouth" method. If the business suggested was budget-friendly, expert and dependable for a buddy or member of the family, there is a great chance that business will do the same for you. Great business use the word-of-mouth method to constantly offer a brand-new client stream by keeping their clients delighted.

Other conventional techniques for finding a new air conditioning, heating and ventilation contractor include carrying out online searches, telephone directory directories or online directories and other ad mediums. Keep in mind that all of these approaches are purchased and paid for by the business in question. None of these techniques need to function as a testimonial and ought to be used just as finding sources.

Third celebration suppliers such as Angie's list, Find Regional and other online companies are the latest platforms for sourcing and rating a/c, heating and aerating business. Although these companies do provide a service with some benefit, they are, in truth, including expense to the consumer. Angie's List, as well as some other online business directories, charge the consumer straight for their scores and business' contact info. Other third-party sites provide consumers with air conditioning, heating and ventilation business and include the expense of being a middle-man to business formula. Keep in mind that none of these are "totally free" and that customers must comprehend the expense and worth of utilizing entities like these.

Multiple price quotes are recommend when employing an a/c and heating professional. There are no industry requirements for prices HVAC associated product or service. Similar jobs can vary thousands of dollars from one company to the next. A minimum of 3 price quotes is suggested prior to the repair or replacement of any major air conditioning and or heating unit component and prior to the design and installation of brand-new systems.

A 2nd viewpoint can be of worth if the repair or replacement is expensive. Not all service technicians or business are equal or reliable. Fixing cooling and heating unit is very complicated. It is not unusual for a repair work service technician to be not able to separate the issue or for an agent to recommend an unnecessary purchases. Contacting a competing air conditioning and heating business can conserve time and loan and regret.

Car Talk Live Podcast #296: Q&A with Scotty Kilmer

Frequently Asked Questions:

Can You Buy The Equipment Needed To Put Freon In A Central Air Condition Unit, If So Where?
Preferably Close To College Station Or Huntsville, Texas----What Is The Name Of The Equipment?

You need an HVAC license to put freon in anything. They won't sell it to you without the license.

Where Do Mould Come From??
If I Put A Piece Of Bread On The Table, There Will Be Mould. Where Did The Mould Come From? Yeast, Spores In Surrounding Air Or What?

Also spelled mold, in biology, a conspicuous mass of mycelium (masses of vegetative filaments, or hyphae) and fruiting structures produced by various fungi (division Mycota).

There are thousands of known species of molds, which include opportunistic pathogens, exclusive saprotrophs, aquatic species and thermophiles. Like all fungi, molds derive energy not through photosynthesis but from the organic matter on which they live. Typically, molds secrete hydrolytic enzymes from predominantly the hyphal tips. These enzymes degrade complex biopolymers such as starch, cellulose and lignin into simpler substances which can enter the hyphae. In this way, molds play a major role in causing decomposition of organic material, enabling the recycling of nutrients throughout ecosystems. Many molds also secrete mycotoxins which, together with hydrolytic enzymes, inhibit the growth of competing microorganisms.

Molds reproduce through small spores. Mold spores can be asexual (the products of mitosis) or sexual (the products of meiosis), and many species can produce both types. They may contain a single nucleus or many. Some can remain airborne indefinitely, and many are able to survive extremes of temperature and pressure.

Although molds grow on dead organic matter everywhere in nature, their presence is only visible to the unaided eye when mold colonies grow. A mold colony does not comprise discrete organisms, but an interconnected network of hyphae called a mycelium. Nutrients and in some cases organelles may be transported throughout the mycelium. In artificial environments, humidity and temperature are often stable enough to foster the growth of mold colonies, commonly seen as a downy or furry coating growing on food or surfaces. Thus buildings, being stable environments, enable mold proliferation.

Some molds can begin growing at temperatures as low as 2°C. When conditions do not enable growth, molds can remain alive in a dormant state, within a large range of temperatures before they die. This explains how molds can survive harsh conditions such as containers in refrigerators or inside building structure cavities.

Window Air Conditioner Vs. Mini Split Air Conditioner?
My Family And I Just Moved Into A Really Old Farmhouse Which Is Only Partially Air Conditioned On The Main Floor. There Are 5 Bedrooms Upstairs And We Are Looking Into Only Air Conditioning Three Of The Bedrooms Because That Is All We Need. Would It Be Cheaper To Put A Window Air Conditioner In Each Room Or A Mini Split Air Conditioner. We Would Obviously Only Have Them On When We Are Sleeping.

The problem I have with window units is that the fan (not the compressor) runs all the time and they are noisy. But if you can live with that, then I would go with the window units.

Putting in a central system in an existing home would have issues with getting the air to all the rooms. It can be done, but cost may be an issue with putting in the duct work.

They may make split units with air handlers for each room. My Suburban SUV had two air handlers (front and rear). I can't see any reason why they couldn't make a system like that for a home. Each room would have its own thermostat. Of course this would be more expensive than a single split system.

What Size Air Conditioning Unit Do I Need For 2500 Sq Foot 2 Story Home?
I'M Looking To Get A New Unit For My Home And Want To Make Sure I Get The Right Size. What Is Recommended For A Home Of 2500 Sq Feet And What Kind Of Price Am I Looking At? Thanks

you have a number of choices not all of them good ones. as the 5ton unit doesn't keep-up you could upgrade your insulation, and make other improvements to cut your HEAT-GAIN. The advantage of two split systems is one can be shut down when it isn't needed, they would work to help one another if properly installed.hope this gives you options to consider.you could get a 3ton and a 2/21/2ton units

Why Do Refrigerators Prevent Food From Spoiling?
Think Biology Please.

What Refrigeration Does to Food

When refrigerators cool food to a temperature just above freezing, it slows the death and regeneration of cells in the food, prolonging the ripening process. A green tomato will stay green almost indefinitely (or until it dehydrates completely) in a refrigerator vegetable bin. By slowing the growth of cells, a refrigerator also controls the amount of food available to bacteria and limits their ability to flourish. If food is cooled or frozen, most bacteria will die because of the hostile environment. Cold air also wrings out humidity, which kills many fungus spores. This means that refrigerated food lasts longer and stays fresher than food that is not refrigerated.




How Food Grows and Dies
All food is organic and contains cells that grow and die. We use food when it is ripe or mature. Anyone who's ever grown tomatoes or any other vegetable understands how quickly a ripe tomato can turn dark and mushy. Eventually, the fruit begins to break down into its molecular components, like water and sugar, making a puddle under the tomato. All of the material we use as food follows the same process. The speed of the process determines how "perishable" the food is.
How Food Spoils
At any point during its growth, organisms contain beneficial bacteria that eat dead cells and protect the organism from pests and parasites. Some types of bacteria, though, harm the organism and create dead spots that we call rot. Most bacteria live harmlessly on or in food until the organism stops regenerating cells. When that happens, bacteria begin to consume the food.
The Fungus Among Us
Another organism that can threaten food is fungus. Fungi grow from spores that travel on the wind and are more successful during wet, warm springs and early summers. Fungi like mushrooms are used as food but others pose a threat to foods. Blossom end rot is a fungus common to tomatoes due to over-damp conditions as the fruit emerges from the blossom in early spring.
How Refrigerators Work
The first refrigerators used huge blocks of ice to keep an insulated box cool. During the last half of the twentieth century, the ice box was replaced by an appliance that used coils filled with a frigid liquid, or refrigerant, that was compressed and pumped through metal coils to cool the box evenly. This system was more easily regulated than the old ice box and now refrigerators can be regulated to keep food at a constant temperature and freezers can keep food frozen without dehydrating it.

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