Posts Tagged ‘air conditioner icing up’

When it’s time, it’s time!

Friday, June 17th, 2011

by Dan Jape of Reliable Heating & Air

When it’s finally time to replace your old heating and cooling system, there will be many choices and different decisions to be made that will affect your comfort, efficiency and overall happiness with any new system selected. It would benefit anyone to become familiar with the different components and terms you will face when that day does arrive.

There are 3 separate pieces of equipment you have to replace when purchasing a new HVAC system and they are the furnace, the indoor cooling coil, and the outdoor condenser or air conditioner. You have choices of different furnaces and condensers, but generally there is only one coil for any system.

There are many different manufacturers of furnaces and many different models available, but there are really just two distinctly different types of furnaces, single speed, single stage furnaces and two stage, variable speed furnaces. A single speed single stage furnace comes on full blast anytime it runs and the motor in it consumes $250 a year of A/C electricity. A two stage variable speed furnaces comes on gradually and only uses the amount of gas needed at any given time to heat your home and it’s blower consumes only $30 annually of D/C current. The Variable Speed furnace also comes with a special thermostat that actually allows the furnace to reduce the amount of humidity in your home by an additional 5 to 10%, and when it is drier in your home, you can actually keep it warmer and feel the same comfort level, which will save you money.

You have many choices in different outdoor condensers and what you pick is critical in your comfort. There are two different types of outdoor units, single speed units and two speed units. The two speed units are the best choice for most homes in the south, as they can be large enough in capacity to handle the extreme hot days, but because of their two speed design, they slow down to remove more moisture than a regular single speed condenser. The efficiency of these two speed units is usually so much better than a single speed unit that they can reduce the electric consumption by over 50% compared to your old cooling system you have in place now.

There are “builder grade units”, consumer grade units and top of the line units in both single speed and two speed. Builder grade units are units designed for a low, upfront price point and come with short warranties and will usually provide a shorter life span, as most builders are only interested in how a particular appliance operates for one year, which is the standard warranty a new home comes with.

Consumer grade units today come with a 10 year parts warranty and some companies offer a 10 year labor warranty or even a lifetime warranty if properly maintained. Units such as these can last 18 to 20 years often times and are available up to 16 seer in most cases.

Top of the line air conditioners are loaded with safeties and controls that allow them to last 20+ years and cut operating costs up to 60% while doing the best job in dehumidification and cooling and come in single speed, two speed single compressors, two speed twin compressors and even solar powered. Units such as these are more expensive up front, but are a better investment in the long run, by offering superior operation, efficiency and comfort.

It helps in any market place to know about the different products that are available and it is always a good idea to get at least 3 different estimates to see if there is a general consensus to what each company recommends.

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Posted in Air Conditioning, Awards, Care and Maintenance, Commercials, Dan Jape, Going Green, Heating, Plumbing, Safety, Saving Money, Uncategorized | No Comments »

Spring Cleanup List Begins with HVAC

Monday, April 18th, 2011

Courtesy of HGTV.com

To keep your house in top shape, give systems an annual checkup.

Spring cleaning is a tradition, but there are some other chores that should be part of your springtime routine, too. Most of them take only a few minutes, so get started!

1. Check your air-conditioning and heating equipment before the beginning of a new season.

2. Check and replace your furnace and air-conditioning filters every month. There are several types from which to choose, depending on your needs. Fiberglass filters last only one month, while the filters typically last three to four months. HEPA filters last up to six months and can be cleaned with a vacuum nozzle.

3. Most air conditioners have a drainage hole on the base of the cabinet, beneath the evaporator fins. This hole needs to be kept clear in order for the air conditioner to work properly. It’s a good idea each spring to use a paper clip or wire to poke through the hole and clear it.

4. To keep a dehumidifier working properly, remove its housing and let the unit dry completely. Vacuum every accessible surface and crevice.

5. Clean your bathroom fans once a year. Take the cover off, wash it in soapy water and clean dirt off the fan blades with a toothbrush. Be sure the power is off when you do this!

6. Check the flappers on your toilets at least once a year. If they are showing their age, replace them before they start leaking and wasting water.

7. Remove all faucet handles and clean their insides to keep the screws from corroding. Use a rust remover if necessary.

8. Replace the batteries in smoke and carbon-monoxide detectors twice a year: when the time changes to daylight savings time and then back to standard time. While you’re at it, dust or vacuum the detectors to keep them working at peak performance.

9. Make sure you have a fully charged fire extinguisher that you can reach quickly and easily.

10. Inspect and, if necessary, caulk around your home’s windows and doors annually. That will help keep out heat and humidity in the summer and cold drafts in the winter—and save money on your utility bills all year round.

11. Open and close all windows. Do they all open easily, yet close tightly? If not, check the weather stripping. There are a number of different types to consider.

12. The best time to caulk a joint outdoors is during the spring or fall. That’s when the width of the joint is halfway between its seasonal extremes. A plastic drinking straw or a length of plastic tubing makes a handy extension tube for caulking hard-to-reach places. Secure the extender with duct tape.

13. To really clear and clean screens for springtime, rub them with kerosene on both sides, then rinse with soap and water. Kerosene fumes are dangerous, so make sure to do this outside or in a well-ventilated area.

14. To fix a small hole in a window or door screen, dab clear household cement over the hole with a toothpick. If the screens are plastic, test the cement on a scrap to make sure it won’t melt the material.

15. Use the same technique to repair screen tears. Pull the two halves of the tear together and hold them in place with masking tape on one side. Apply the household cement to the tear, then smooth with a putty knife. When it’s dry, gently remove the tape and apply cement to the other side.

16. Clean out the gutters of winter debris and check them for damage from ice. Install gutter screens or protectors to help keep debris out of the gutters.

17. If a roof gutter is sagging, pitch it back to a level position by tightening its strap with pliers. The tighter the strap is twisted, the more the gutter will rise.

18. Be sure the gutters slope properly toward the down-spouts.

19. To prevent basement flooding, make sure there is at least three feet between the side of the house and the down-spout’s outlet. Use one of the following methods to reach that distance:

Add an elbow for pipe and extension, although that often leaves the outlet still too close to the house.
Use a splash guard that stretches about three feet.
Attach a flexible extension hose to the end of the down-spout and bend it in away from the house.

20. To prevent foundation erosion as well as basement flooding, build up soil around the house and slope it away from the foundation.

-For more home improvement tips and money-saving ideas, visit HGTV.com

-Dan Jape

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Posted in Air Conditioning, Care and Maintenance, Dan Jape, Going Green, Saving Money | No Comments »

Don’t be fooled by “Piece Rate”

Monday, November 23rd, 2009

By Dan Jape of Reliable Heating & Air

There are many different ways to find and screen good contractors to perform work at your home. Some people prefer word of mouth and personal referrals. A number of people turn to Internet services such as Kudzu.com or Angie’s List. Others use the yellow pages or other advertising services when compiling a short list of companies to interview.

Whatever method you use, when selecting a heating and air conditioning contractor, one of the most important questions one should ask is whether sub contractors or employees perform the actual work. One would never want to use a company that uses subcontractors, as they are paid a set amount to perform a certain task and they have no vested interest in the outcome or quality of the job. They simply do the work as fast as possible so they can move on to the next job. They gain nothing by taking their time and making sure all the little extras are done properly. In the past, most heating and air companies that specialize in new construction residential installation work would use subcontractors so they could control the labor costs when building new homes. On the other hand, most heating and air companies that service and replace systems in existing homes all employed technicians that work by the hour and work only for that particular company.

Now, there is a new method of paying employees who replace and install heating and cooling systems that is designed to fool the homeowner into thinking they are not getting a subcontractor, but in reality they are. The method of payment is called “piece rate” and it is the most dangerous method of payment arrangement a homeowner could contract for. Under this method, a technician or installer is paid a certain amount of money to install each component or “piece” of equipment regardless of complexity or difficulty. The technician’s goal would to be installing a new system as quickly as possible so as to expend the least amount of time possible allowing them to move on to the next job. This method was developed by the managers of a certain large heating and cooling company as a method to control their costs and insulate the company of the ups and downs of the individual jobs. When a customer asks this company if they use subcontractors, they are told no without any mention of this other payment method. It is a dishonest way of tricking a customer into thinking they are contracting with a company that pays a technician for all the time spent at their home when in reality they are just getting a subcontractor who will not care about the finished product, only the time spent installing it.

One needs to ask their heating and cooling company they are considering hiring if the people installing or servicing their heating and cooling equipment are hourly workers paid prevailing hourly wages to work at their home and are not paid any type of “piece rate” or performance incentitive to perform this type of work. This same type of query would be appropriate for other types of companies one might be contemplating hiring. You will much happier with a contractor who does not employ this type of payment method. If you are unsure of how a company pays it employees, give me a call and I will be glad to give you what information I have from interviewing people who have worked for these “Piece Rate” companies.

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Please TURN IT OFF before you DESTROY it!

Thursday, January 22nd, 2009

This time of year we are besieged with desperate phone calls from homeowners who have noticed there cooling systems not working properly or frozen up with ice. If this happens to you, turn the unit off immediately. Turn it off as soon as you can get to the thermostat! I know this is a tough request when it is hot outside, but if you continue to run an air conditioner that is not cooling up to par, you are going to do harm to your unit, waste your cooling energy dollars, and ultimately may permanently destroy your cooling system. I know this may seem hard to believe, but a large share of dead units we replace are killed by the owner refusing to turn it off when cooling is diminished. The one thing you can be assured of is, a broken air conditioner will never repair itself, no mater how long you continue to let it run. Never! Ever!

Many times customers will place a service call for no cooling and then continue to run their system thinking it might work a little until we get there to fix it. This is when most damage is done to the unit due to the lack of proper operating conditions. A unit that has frozen will do no cooling at all regardless of what common sense tells you and continued running in this condition will kill a compressor quickly. When you see ice anywhere on the refrigerant line set, you are seeing just the tip of an iceberg. The ice is covering the indoor coil preventing air from passing over the fins and it is five to six inches thick after continued operation. If you do not turn and let it thaw, you will burn out your compressor while wasting your money running a compressor that is not cooling your home. Also, if the unit is not thawed when the repairman arrives, he will not be able to find the problem and repair it properly.

A lot of customers will turn the unit off after it freezes and it will thaw and they turn it back on to find it cools again and they call our office and cancel their service call. This is a bad idea! What ever caused the icing will do it again after prolonged running and you will continue to damage your compressor . If you notice ice on your air conditioner, the first thing you should check is your air filter, as a dirty filter will cause icing and this is one of the most common problems we find. The other causes are a lack of Freon or refrigerant, a dirty indoor coil or a bad indoor fan motor. If any of these conditions are the cause of icing or lack of cooling, you must have a technician repair your unit.

One very simple thing you can do to check you air conditioner is go outside to your outdoor unit and carefully observe a few things. First, look for any ice anywhere on the unit, inside on the compressor or on the lines. Next see if there is hot air blowing out the top of your air conditioner. The hot air blowing out your unit is the heat being removed from your home and if the air is not hot, your unit is not cooling properly. The last thing you can do is located the large rubber covered line coming from your house and connecting to your cooling unit. It should always be cold and sweating water off the copper line inside the rubber insulation. If it is just cool to the touch and not sweating cold, you need service. This simply check and observation could save you thousands of dollars in energy costs and unit repair.

Tags: a/c freezing, a/c frozen up, a/c not cooling, ac repair, air conditioner broken, air conditioner freezing, air conditioner icing up
Posted in Air Conditioning, Care and Maintenance | No Comments »

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