#2 HVAC Air Conditioner DIY Troubleshooting Repair

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You can ask any business to provide proof of basic liability professional insurance. Any company that is not prepared to offer proof of basic liability (GL) insurance must be avoided. A minimum standard for GL insurance is $1 million for residential work and $2 million for light commercial.

There are other approaches for researching a/c, heating and ventilation companies such as: contact your local Better Business Bereau (BBB), carry out online searches and evaluations and ask the business in question for referrals. However, all of these techniques disappoint comprehensive openness. The BBB actually works for the companies it represents as they are only rated if the business in concern pays them a repeating charge. Online review sites seldom display all the reviews got, and post evaluations from sources that are not constantly credible. This provides a platform for business to publish their own reviews and individuals to quickly publish reviews without the company in question's capability to expertly solve the concern. In addition, no company would provide an unfavorable referral; only those that are extremely positive. None of these are ideal dynamics for consumers looking for entirely objective evaluations and recommendations. It is recommended to use these techniques as an educated customer and think about the information source for what it is worth.

One of the very best methods to discover a new cooling, heating and ventilation specialist is by means of the "word-of-mouth" approach. If the company advised was budget friendly, professional and trustworthy for a friend or household member, there is a great chance that company will do the same for you. Excellent companies utilize the word-of-mouth approach to constantly supply a brand-new customer stream by keeping their consumers delighted.

Other conventional methods for discovering a new air conditioning, heating and ventilation specialist include performing online searches, phonebook directory sites or online directories and other advertisement mediums. Keep in mind that all of these methods are purchased and paid for by the business in question. None of these techniques ought to work as a testimonial and should be used only as locating sources.

Third party providers such as Angie's list, Discover Local and other online business are the newest platforms for sourcing and ranking cooling, heating and ventilating companies. Although these business do supply a service with some merit, they are, in truth, including cost to the customer. Angie's List, along with some other online organisation directories, charge the client directly for their rankings and companies' contact information. Other third-party sites offer customers with a/c, heating and ventilation companies and include the expense of being a middle-man to the service equation. Keep in mind that none of these are "free" and that customers must understand the cost and value of utilizing entities like these.

Numerous price quotes are advise when hiring an air conditioning and heating professional. There are no market requirements for rates HEATING AND COOLING related product or service. Comparable jobs can vary thousands of dollars from one company to the next. A minimum of 3 estimates is suggested prior to the repair or replacement of any significant air conditioning and or heating system part and before the design and setup of new systems.

A 2nd viewpoint can be of worth if the repair or replacement is expensive. Not all specialists or companies are equal or reputable. Fixing cooling and heating unit is very complex. It is not uncommon for a repair technician to be unable to isolate the issue or for a representative to recommend an unnecessary purchases. Calling a competing cooling and heating company can save time and cash and remorse.

#2 HVAC Air Conditioner DIY Troubleshooting Repair

Frequently Asked Questions:

What Does The Air Condition Have To Do With A Hot Water Heater?
So I Had My Air On 68 Degrees. My Hot Water Heater Started Leaking, And One Of My Family Members Told Me To Keep The Air Above 70 Degrees. Why Is This?

They have nothing to do with one another. You're family member may like it warmer in your house.

2013 Ford Fusion Hybrid Under 62Mph Does Air Conditioning Use Gas Or Battery?
When The Heat Or Air Conditioning Is Turned On In The 2013 Ford Fusion Hybrid Does The Car Run By Gas Engine Or Battery Power

Hi JC,

The air conditioning (A/C) compressor in Fusion Hybrid is driven by an electric motor - not by an engine-driven accessory belt. Having an electric motor allows the A/C to be operated without requiring the gasoline engine to run. Operating the A/C will not directly affect vehicle performance; however, it will drain the accessory power. For more information about your vehicle, check out the Owner's Manual, available for download here: https://owner.ford.com/servlet/ContentSe...

Crystal

How Can I Reduce The Humidity In Air In A Hospital Ahu Without Using A Dehuidifier?

Well, the air will naturally dehumidify as the temperature of the air is dropped. In air handling units, this occurs when the coils inside connected with the air conditioning (cooling) side of the AHU cool the incoming air. This usually forms condensate on the coils that are drained off. If you have something to control the humidity level by sensing in the ductwork downstream of the AHU, you can also use the heating strip in the AHU to allow the AHU to over cool the air to remove humidity and then reheat to bring back to desired temperature.

Should One Add A Dehumidifier To A Manufactured Home With Central Air Conditioning In A Very Humid Climate?
Research Says No. In The Rio Grande Valley Of Texas Many Months Are Tropical.My Central Air Has An A Coil Inside+Outside Condenser +Proper Tonnage. My Man.Home As With Many M/H'S Does Not Have An Attic, Air Return Vents Nor The Proper Insulation For This Climate But Passed State Inspect. A Teacher Of An Hvac Class Brought His Students To My At My Request. *He Cut Off The Fresh Air Intake Above The A Coil Explaining That The A/C Would Be More Efficient. My Home Has Been State Inspected. I Am Most Comfortable With Humidity Below 40% As I Suffer From Sweats Due To An Auto-Immune Disorder. Yes, I Drink Much Water. I Have Several Types Of Air Purifiers In My Home & Change The Best Type Of Filter Each Month. I’Ve Had Qualified Hvac Techs Check The System. One Recommendation Was An Intake Vent Installed Above The Filtered A-Coil Area. Ducts Have Been Cleaned And Repaired. A Dehumidifier? No Mold Is Present On Walls, Grout, Etc.

Ok, just to start off with the basic opening question... yes, a de-humidifier can help remove additional moisture from the air, if your air conditioner alone is not pulling enough out to be comfortable for you. You will most likely find, that the first day you run the de-humidifier will be the day it pulls the most moisture out of the air....after several days of running it will be less and less, typically. You would see an increase during seasonal changes, and when the home is left open (doors, windows, etc, on a nice day). Most humidifiers can be regulated by humidity level, so that they shut off, when they reach a certain level of moisture in the air, much like a thermostat operates the central air system.

Now, on to a couple of other items you've mentioned.

Air return -- while it is true there are no return air ducts run to other portions of the home... the home IS DESIGNED to ciruculate the air. The front of your furnace unit will most likely have a slotted door, with the filter behind it. This is your return air duct. The air is pulled thru the rest of the home thru the doorways, and on some home designs, by small wall vents above the doors. On the majority of homes, the doors are built with about a one inch gap between the door and the floor. This is sufficient, in most cases, for proper air circulation throughout the home. If you find a particular room stays warmer during summer, or colder during winter, when the door is closed, then try leaving the door open more often, or install a vent above the door.
Installing a vent above the door to help increase air circulation is easy to do. You simply purchase a pair of vents, and cut the appropriate opening (on both wall surfaces, above the door). Installing a 2x4 is often the quickest way of sealing the top of the vent space, and is easy to do by either 'toe-screwing', or using L-brackets to hold the stud in place. Then simply screw the vent covers over the opening. This helps air circulation more than most folks would realize, especially if they have a tendency to close doors. By the way, speaking of doors... the door to the room the furnace is in must also be vented. This would be the laundry room door in most manufactured homes, where the furnace/air unit is in that room. If the unit is in a hall space, then there is usually a vented bi-fold door.

Fresh air vent -- I am somewhat concerned about this, that an HVAC teacher would cut off the fresh air supply. It is there for a reason. Today's homes are much more resistant to wind penetration....something that has come to light in recent years as being very important for the health and well being of the inhabitants. If you have a gas fueled furnace, that vent is CRITICAL for your safety, as it will supply fresh air to the flame, rather than robbing your home of much needed oxygen. I have seen some folks put a damper on the fresh air supply, so that it can be opened in winter, and shut when not using the heat. That still leaves you with the situation that you have limited fresh air entering the home...that may not be a problem if your entry doors are in constant use, hehehe, but it is definitely something you need to be aware of. There is also the possibility that tampering with the vent could impact you legally.... either with your home warranty, or your insurance coverage. Technically speaking... yes, if your air conditioner is drawing its sole air supply thru the fresh air vent, and it is several degrees hotter than your interior air, it would cause the central AC to do less work, by cutting it off.... but that fresh air vent is NOT the only source of air, as your central air system is ALSO recirculating the interior air. In my opinion it would be more beneficial to have the fresh air....and again, if you have an open flame furnace, it is extremely important. (Some homes even have a powered damper, which will open the vent when the furnace is in use, and leave it closed at other times, so hot air is not trickling down the vent when it is not being used)

Ok, on to the attic space.... I am sorry, perhaps it is my lack of knowledge, but I cannot picture ANY manufactured home that does not have an "attic space". Ive crawled around, in, under, and above, (and even in the attic spaces) of hundreds, if not a thousand or more, of manufactured homes, and they all had some sort of attic space. The way most manufactured homes are made, the roof system uses trusses, to carry the roof load to the perimeter walls, and the marriage wall...and trusses leave a space between the roofing cover (whether shingles and decking, or sheetmetal), and the ceiling drywall. There is always some form of insulation over the ceiling drywall, and there is an open air space above that. There are two methods of venting an attic space, passive and active. In an "active" ventilation system, there is an electrically powered fan, in an exhaust duct(s) that pulls the attic air out. This is usually an aluminum duct, about a foot in diameter, that vents directly up thru the roof. In a "passsive" ventilation system, the design is made to rely on thermal convection (usually)...that is, hot air rises... So, vents are placed along the roof, either at the peak, or just below it. Some homes use turbines, but most manufactured home passive vents are just flat squares...usually about 2 inches in height, and about a foot square. Most are brown or black in color. For the homes that use the peak ventilation, there is actually a gap at the peak of the roof, between the two halves of a doublewide home. There is a fiber type of product (it looks like a long layer of scotch pad material, usually black in color) that is placed over the gap, and shingles are placed over them, leaving a small gap, between the 'crown' shingles, and the top course.
With any of the ventilation systems Ive mentioned so far, there has to be a fresh air intake, to the attic space. This is normally done, on a manufactured home, by vented soffet. Some homes will have actual vent grills, but most utilize perforated soffeting. Sometimes ALL of the soffet is perforated, and sometimes they alternate solid with perforated. When I do an inspection, I'll check to see that the soffet vents are open, and not blocked by debris or insulation.
A properly vented attic space will result in the roofing material having a longer life. If there is no ventilation, then the heat and moisture will, literally, cook the roof decking and shingles. And that doesnt even begin to address the problems with mold that will result, eventually, because of the humidity problems that are present in a poorly vented attic space.

Insulation -- All manufactured homes are built to certain 'zone' requirements. This is federally, and state mandated, and ALL manufacturers must build to meet the minumum requirements for each 'zone'. A home CANNOT be sold in an area for which it is not rated. That does not mean it could not be improved upon....it just means that it meets the minimum requirements, and yes, this will result in its passing state inspection. You should have a "dataplate" somewhere in your home. Most often this is a letter size page (or 2), detailing the homes manufacturer, the plant location, the wind zone, and temperature zone for which the home was built, and also its serial number. These are often found inside a kitchen cabinet, often on the backside of a door, or on the back wall of the cabinet. Your state inspector should have looked at it when they inspected your home. For example, a 4 inch wall will meet the minimum zone requirements in most southern states... but a 6 inch wall allows for more insulation, resulting in a higher R-value insulation in the wall cavity. And, unless your home was built to be installed over a basement, there will be underbelly, and insulation, under the floor.

I hope this post has been helpful. I've traveled quite a bit, as a contractor to service manufactured home warranties, and I've often found that the dealers who sell the homes, have failed to educate the home buyers. This often leads to misunderstanding, and dissatisfied customers. The best dealerships are those that take the time to listen to their customers, and answer their questions as thoroughly as possible, and even go so far as to point out things the home owner hasn't thought to ask. Unfortunately, "profit margin" often comes ahead of "satisfied customer"....in my experience tho, the more satisfied customers one has, the more successful the enterprise is over the long run.
There ARE manufacturers that build exceptional quality homes, and there are those that try to look like these homes, while cutting corners. It is important to know the difference, and what to look for when comparing homes. 😉 but that's another post.

Good Luck

How Do I Turn On Central Air Conditioning?
I Just Bought This House And There'S No Manuel For The Central Ac. Where Is The Main Switch Located?

I assume the breaker is on. If not (meaning there is no electric running to the unit) you will see a double pole breaker. It should be marked in one form or another. There is no way to determind the location of that breaker without being in the house.

The thermostat is in the house somewhere (on the wall). There shoudl be two switches. One will say Cool-Off-Heat. The other will be the fan and will read, Auto-On. Switch the thermostat to Cool and the fan to Auto. Then turn the temperature to what you would like it to be in the house (say 74deg).

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Air Conditioning Repair Mission Viejo CA (714) 888-4648 Mission Viejo Air Conditioning Service
Common A/C problem and the easy fix
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