Allison asked:


I just purchased a new home with a HVAC, and I’m not sure what the difference is between it and a traditional AC/Heater. Thanks!

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Sarah K asked:


If I’ve been working in the field for 12+ years and I now want to teach HVAC, what steps do I need to take in order to become an instructor in IL? I heard that I don’t know a degree in teaching, I just need to be certified. But I’m not sure how to go about that, or where to go for it.

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Jason asked:


I have a new construction home with a new 2.5 ton central unit but it’s undersized and I need to upgrade. How does that work? Do I have to pay for a whole new unit or can they upgrade the current one for a lesser price or maybe give me a discount if they keep my old one. It’s bascially brand new.

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Yodle asked:


It’s not going to be a pleasant experience when you need to hire the services of an emergency heat repair HVAC contractor, but that’s not the contractor’s fault.  It’s probably going to be about 10 below zero with snow falling and ice building - middle of the night - baby’s sick, etc.  You know how it goes.  What you need is a professional, available and honest HVAC contractor that specializes in emergency heat repair situations.  You want somebody to be able to come to your home promptly, assess the situation, make the necessary repairs and be on their way - without forcing you into having to take out a second mortgage on your home to pay for their services.

The benefits associated with hiring the right emergency heat repair HVAC contractor:

Restoration of the heat in your home;

Protecting you and your family members from the elements;

Eliminating the potential for electrical fires;

Eliminating the need to burn smelly, dangerous accelerant-based heaters;

Being charged a fair price for high-quality services provided at inconvenient times;

Developing a positive relationship with a skilled professional in the case of future needs arising;

What are the risks associated with hiring the wrong emergency heat repair HVAC contractor?

This is where you have to be careful.  The very nature of an emergency situation implies that you are basically in a frenzy.  You want your heat restored.  At times like these, many people make the mistake of not being thorough during the hiring process.  That is a mistake - and one that can be serious.  Here’s what can happen:

You end up paying far too much for services rendered;

You end up paying for substandard services;

The contractor that shows up to your home takes advantage of the fact that you are in an emergency situation;

Low-quality work standards may cause the need for various other, more expensive repairs;

So how can I ensure that I’m hiring a quality emergency heat repair HVAC contractor?

It’s not really that difficult to do.  You just need to slow down, take a few deep breaths and refer to the following tips:

Realize that when you are in an emergency situation, that is the best time to be logical and not panic;

Realize that while any emergency service technician is going to charge you hefty fees, that’s no reason for them to outright rob you;

Make sure that you have a clear understanding of what you are going to be charged and what services are going to be provided;

Get everything in writing before any work is performed;

Go with your instincts concerning the professionalism and character of the emergency heat repair HVAC contractor that you are considering hiring;

If you get bad vibrations from a given contractor, call another one.  Don’t be in such a hurry to have your heat restored that you make a bad decision that you will regret;

Tips for efficient heating so that you do not need an emergency heat repair HVAC contractor in the first place:

Use humidifiers to make the air in your home more moist and reduce the following: Dry throat; Dry skin; Static electricity buildup; Dehydration of your furniture and fabrics; “Cooled” heat and energy inefficiency;

Use air cleaning devices throughout your home to lessen the levels of the following: Mold spores; Pollen; Tobacco smoke; Dust and dust mites; Hair and dander from pets; Viruses and bacteria that cause diseases; Other pollutants that damage your lungs;

Make sure that your thermostat is properly set.  Turn the fan’s selector switch on automatic, not on “on”.  This will allow the thermostat to dictate when the fan kicks on or off;

Make sure that all the breakers are on if your heating quits working.  This is one of the most overlooked issues during an emergency heat repair situation.  You’ll feel quite silly if you have to pay an emergency heat repair HVAC contractor to come out and flip your breaker on for you.

Make sure that all your windows and doors are properly shut;

If you are utilizing propane for heat, make sure that your pilot lights are lit;

Always be sure to replace your furnace filters regularly;

The bottom line concerning emergency heat repair HVAC contractors:

If you find yourself in any emergency heat repair situation, the first thing to make sure that you do is to not panic.  Take your time and go through some basic troubleshooting techniques first.  Don’t even touch the phone yet.  If you find that you in fact do need to call a contractor, then take your time again.  Don’t rush in and have the first person that you talk to fly out to your home and over charge you for substandard services.  You are going to pay nicely for emergency services rendered.  Slow down, take some deep breaths and make sure that you hire a quality professional that cares about honesty and integrity.



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PK asked:


My HVAC unit is a gas furnace and air conditioner. With the heat on, the condenser unit outside runs. The thermostat is a new digital one; the HVAC system is 36 years old. The system is NOT a heat pump.

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fireheadkc asked:


I recently bought a 1500 sq ft home with a Payne 3.5 ton HVAC unit, about 6 yrs old. I am adding a 600 sq ft addition. I need AC to handle 100+ temps in our southern summers. It is a one story 80-yr old farmhouse, with some vaulted but mostly 8-9 ft ceilings. How can I know if I really need a 2nd unit for the new part, or if the AC guy is just trying to make a sale?

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PM Anavaratham asked:


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We have a flexible team of mechanical engineers and draftsmen who concentrate in drawing, drafting services and mechanical design. A large range of skill and depth of knowledge enables our team to absolute even the most complicated HVAC, Electrical and Plumbing projects with effortlessness. We follow ASHRAE, IMC, IPC, NEC, NFPA codes for MEP (Mechanical Electrical Plumbing).

We supply our clients with imaginative and custom modified mechanical design services. We can competently handle theoretical, beginning and detailed design projects in fulfillment with your standards or necessities. We focus in converting hand drawn sketches, fully detailed mechanical drawing or a notion into precise and accurate 3D ducting/modeling. Some of the contribution formats which we allow are PDF files, AutoCAD files, Gif or Jpeg files, pictures, photos, scanned images and electronic files.

We have grown exponentially and have always maintained commitment to provide the best craftsmanship and level of expertise to meet our client’s requirements.

We encompass the whole range of building services design including the HVAC, Electrical and Plumbing design. Our Mechanical and Electrical engineers are well versed in international codes like ASHRAE, IMC, IPC, NEC, NFPA etc.

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bboppalou asked:


I have a Carrier Heating/Air conditioner in a smallish appartment. It uses both electric and R22 for heating and is called a “two-stage” unit. Is the first stage the electric element? And the second the R22 picking up the heat and sending it thru the fan coil?

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Yodle asked:


An HVAC (also known as heating, ventilating, and air conditioning system) is one of the most important parts of a building’s design plan. It controls the overall climate of the building, including the regulation of humidity. Because these systems directly impact the temperature, moisture, and purity of the air, they’re crucial for maintaining physical health.

Newer buildings are required by law to meet certain standards for their HVAC systems, but even new buildings can run into maintenance or design issues with their HVAC systems. This is especially true for a business with a small budget. This means that temperature, humidity, and air purity levels in many buildings still may be breeding grounds for the distribution of bacteria, viruses, dust and other allergens. Although these issues may be temporary in a regulated building, even limited exposure to pathogens, air that is too dry or too humid, and uncomfortable temperature can cause health issues.

Another consideration regarding an HVAC system and health is that, even when the system is functioning properly, the needs of the business may require HVAC system settings that still are not optimal for health. In technology-related buildings (e.g., a call center with many computer stations or a medical equipment testing facility), the air is often kept at ridiculously low humidity levels in order to protect the materials in the building. This can cause problems such as nosebleeds from dry, cracked sinuses, chapped skin, etc. This is problematic because, although most people would sue for other work environment health issues, most people don’t seek compensation for the more minor conditions HVAC systems sometimes cause. As a result, the problem never is remedied.

HVAC systems are not just found in businesses-they’re found in the average home as well, whether the system is a complex furnace or a simple vent and stove. Many older homes aren’t regulated as well as larger buildings such as skyscrapers, mainly because they are private residences and therefore do not need to meet the regulations that exist for places of employment. It is common, for instance, for older homes to have outrageous heating bills in winter simply because their HVAC system doesn’t include an efficient furnace. Residents often end up getting sick because they choose being chilled over not being able to pay their heat bill.

If you suspect that your HVAC system is the cause of your chronic or periodic health problems, the best thing to do is to get the system checked by a professional. Keep a diary of health problem flair ups and see if they coincide with being in a certain area of the building or if they seem to correspond to a particular time of season. Keep track of the types of activities done in the area where you experience the most discomfort or symptoms, as well. This information will help the professional to test your system accurately and to provide you with the best solution. Keep all medical receipts related to the health issues you suspect are caused by the system, too, as this will provide further documentation of what you are experiencing and will provide a figure for any restitution you may seek to claim later on.



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Mike77NH asked:


I just got an entry level job as an HVAC mechanic. When they hired me they said they supply all the big tools but I will have to supply all the hand tools. What type of hand tools will I need?

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