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Heating (37)

The Causes and Cures For the Most Common Oil Boiler Problems

Oil Boiler Service West Haven Connecticut1. The Burner Is Not Operating
There are several reasons the burner may not operate, they include a lack of fuel, a thermostat that is set too low or no electrical power to the unit. If there is sufficient fuel, check for a blown fuse or tripped circuit. Next, turn the thermostat up higher by a few degrees. Also check that the filter and ductwork are not blocked or restricted and that the blower motor is operating. If the burner still will turn on, call Air Specialties for service.

2. The Burner Will Not Fire
If the burner is working, but will not fire, it could be a fuel supply problem. This can be caused by a failed oil pump or a clogged nozzle filter or oil line. Your heating technician can diagnose the cause and recommend solutions for repair.

3. Smoking Burner
Smoking burners are often caused by an out of adjustment burner, a dirty or wrong type of nozzle or end cone. Other causes include a defective heat exchanger, incorrect oil pressure or an obstructed chimney. Because this is a potential safety issue, call Air Specialties to inspect the system to ensure there are no carbon monoxide leaks or other hazards.

4. High Fuel Consumption
When an oil boiler is consuming too much fuel it if often because off lack of maintenance or a system that is out of adjustment. An improperly sized boiler can also cause inefficient operation and high fuel consumption. 

5. Heating System Odors
Many of the same problems that can lead to a smoking boiler can cause unusual odors, including a clogged nozzle, broken heat exchanger or a burner that is out of adjustment. The chimney may also need to be cleaned. Call Air Specialties to have the heating system inspected.

Have oil boiler problems? Call Air Specialties Air Conditioning and Heating. From maintenance and repairs to boiler replacement, we can help keep your oil boiler running in top condition.

How Long Does a Furnace Last?

Connecticut Furnace ServiceAs cold weather arrives in Connecticut area and you get ready to turn on your trusted old gas furnace, you may be wondering just how many heating seasons the furnace has left. The average lifespan of a gas furnace is approximately 20 years. There are several factors that determine how long your furnace will last, including whether it is a lower cost or more expensive higher end model. If it's a lower cost furnace it may be ready for replacement in as little as 8 years.

Thankfully, many of the factors that determine how long a furnace will last are under your control. The most important thing you can do is have your furnace professionally maintained every year. This will not only make the furnace last longer, it will help it operate more efficiently and reduce the cost of unexpected repairs.

Because most gas furnace parts can be replaced as they wear out, it's usually a good idea to repair the unit as parts wear out. The one part that usually ends the life of a furnace is the heat exchanger. Constant heating and cooling will eventually cause the heat exchanger to rust out or crack, leading to failure. With new gas furnaces operating at much higher efficiency than units made just 10 years ago, replacing the furnace may be more cost effective in the long run when compared to the repair cost of keeping a 10-15 year old furnace running.

Have questions about your furnace? Give Air Specialties a call, we're here to help.

Ductless Heating - The Solution For Difficult To Heat Rooms

Connecticut Ductless Home HeatingIf your home has a forced-air heating system or a gas or oil boiler, you may have rooms that are difficult to heat because they are either not accessible to air ducts or radiators. Attics, additions, garages, sunrooms and enclosed porches can present special challenges for heating an cooling. In many cases it would be too cost prohibitive to add air ducts or plumbing for radiators. 

Ductless Heating Systems

A ductless, or mini-split system, consists of a small air handler in each room, often installed on a wall near the ceiling. A small conduit connects a condenser outside the home to the indoor air handlers. When used for cooling, they usually offer greater efficiency and improved performance compared to window AC units. When used for heating, ductless systems can provide just the right amount of heat where it is needed, providing an energy savings advantage over radiators and forced-air heating systems.

Air Specialties installs state-of-the art Mitsubishi Ductless Heating and Cooling Systems which offer advanced comfort and efficiency for any room in your house. All systems include a remote control and an optional smart phone app to custom program the unit.

Want to learn more about ductless mini-split systems? Give Air Specialties Air Conditioning and Heating a call today.

Will Closing Off Rooms Save On Your Heating and Cooling Bill?

If you have rooms that go unused for long periods of time such as guest rooms, bedrooms or basements, you may have thought: if the room is unused, why not close the doors and air registers to save energy? While this seems like common sense, it can actually waste energy and shorten the life of your heating and cooling system. It can also making the remaining occupied rooms less comfortable.

When a central heating and cooling system is installed, the HVAC technician carefully measures the volume of air in the entire home. The furnace and air conditioner are then sized to provide the best performance, efficiency and comfort. When the air volume is reduced by closing air vents, rather than making your air conditioner cool less or the furnace heat less, they simply send the same amount of air to the open air ducts and vents throughout the home. During normal operation a home's ductwork will lose 20-30% of the air though leaks, so closing vents increases this loss of conditioned air, wasting energy. Closing air vents will also increase the pressure inside the ductwork, which in turn will make the blower fan work harder to force the air through. The result is an increased risk of the evaporator coil freezing or the heat exchanger overheating.

Of course, closing one or two air vents is not going to cause major issues, but for each vent that is closed the performance of your central heating and cooling system will be diminished. If you have questions about your heating, cooling or ventilation system, give Air Specialties a call. We can help answer all your questions.

Are Leaky Air Ducts Costing You Money?

If you have central heating and cooling system in your home, you probably don't give much thought to the air ducts. However, even the most energy efficient furnace won't operate near its potential of the air ducts are leaking.

In some homes, as much as 40 percent of the conditioned air from the central heating and cooling system does not reach the rooms where it is needed because of leaking air ducts. It's a prime reason that some rooms never feel comfortable and the furnace or AC runs seems to run much longer than it should, wasting energy and inflating your utility bill.

A home's ductwork is a maze of joints, curves and creases, providing many places for air to escape. A professional HVAC technician can find the leaks and offer solutions for providing tighter, improved airflow throughout the home. One option is professional duct sealing. Duct sealing involves measuring the rate of air entering and returning in through the HVAC system, then sealing the ducts from the inside using an advanced polymer spray.

The first step to fixing air duct leaks is to have Air Specialties check the efficiency of your HVAC system. We can identify any problem areas and recommend solutions to reduce air leaks.

The Advantages of Ductless Mini-Split System for Heating and Cooling Your Home

There are many situations where a home with a central heating and cooling system, or radiator heat can benefit from a mini-split ductless system. A mini-split system consists of a small air handler in each room, typically installed into the wall near the ceiling. A small conduit connects a condenser outside the home to all of the indoor air handlers. When used for cooling, they usually offer greater efficiency and improved performance compared to window AC units.

Here are some applications where mini-split systems offer an advantage over traditional central heating and cooling.

1. Mini-split systems can be installed in older homes, attics, or new additions without existing ductwork.
2. They can be used to solve challenging heating situations where the furnace or air conditioner is located too far from certain areas of the home, such a new addition.
3. Ductless heating and cooling is ideal where you need customized control over the temperature of a room for a specific purpose, such as a wine cellar or cold storage.
4. Seasonal spaces like detached garages, 3-season porches, and out buildings are ideal for ductless heating and cooling.

Want to learn more about ductless mini-split systems? Give Air Specialties Air Conditioning and Heating a call, we offer state-of-the-art Mitsubishi mini-split systems, for high efficiency and precision control.

Smoky Oil Boiler? Here are the Possible Causes

When smoke is visible coming from your oil-fired boiler, you may have what's known as "puffback". Puffback is the explosion of un-burned oil in the combustion chamber. If the quantity of oil is high enough, it can cause damage the boiler, the flue vent and can cause soot to enter the home.

There are several reasons that un-burned heating oil fuel can exist, including:

Leaks in the oil supply line. This is often visible as oil drips that occur when the equipment is not running. Inspect the floor below the burner oil supply piping regularly. If you notice oil pooling on the floor, have the connections serviced immediately.

Oil burner shutdown. Incomplete heating oil combustion can also occur if the "shut-down" phase of oil burner operation is not working properly.

Lack of Maintenance.  A partially blocked burner nozzle will cause incomplete combustion leading to the accumulation of unburned oil in the combustion chamber. This is usually followed by an unusual rumbling or popping sound during boiler operation. Regular maintenance is important to prevent boiler problems such as a dirty oil spray nozzle, which can lead to a build up of unburned heating oil.

Improper boiler installation. In some cases installation problems such as a too-short chimney could cause inadequate draft, leading to sooty burner operation and poor heating.

If you're experiencing problems with your oil-fired boilder, call Air Specialties Air Conditioning and Heating, we can help.

What To Do When The Furnace Won't Turn On

As the cold winter weather arrives in Connecticut, some homeowners will find that their furnace won't turn on. Before you call Air Specialties for service, there are a few things you can check yourself.
  1. Ensure That the Power Is On - Even though it's gas powered, a furnace requires electricity to run, so check the power to the unit at the circuit breaker panel. If a circuit is tripped, switch it back to the ON position. Note, if the circuit trips again, DO NOT RESET IT MORE THAN ONCE, this is a safety measure to prevent an electrical fire in the event of a malfunction. Have an electrician inspect the system.
  2. Check the Thermostat Is Turned To the HEAT Position, then try turning the temperature up a couple degrees for testing purposes.
  3. Check the Furnace Condensate Pan (Drain Pan)- During normal operation water will drain from the air conditioner or furnace into a pan. If the drain for the pan is clogged the pan will fill up and trigger a float switch, preventing the operation of the furnace. If the float switch is up (activated), you will need to clear the obstruction to allow water to empty and then reset the switch.
  4. Check the Furnace Filter. An extremely dirty and clogged filter will make the furnace overheat, which will cause it to shut down as a safety precaution. Install a new filter to allow it to breathe easier.
  5. Check the Pilot Light. This only applies to older gas furnaces. Most newer units have electric ignition. If your pilot light is out consult your owner's manual for the correct way to light the pilot.
  6. Check the Fuel Supply. If there are other gas appliances in the home, such a gas range or fireplace, check that they are functioning.
If none of the above steps works and the furnace still won't turn on, call Air Specialties Air Conditioning and Heating. We service all makes and models.
Wednesday, 28 September 2016 00:04

Choosing a New Furnace

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Choosing a New Furnace

When it's time to replace your old, inefficient furnace there are a few important things to consider.


1. Furnace Size


Choosing the right size furnace for your home is critial to ensurring your family's comfort and the efficient operation of your heating system. If the furnace is too small, it will run more often and use more energy to heat the same space that a larger furnace will.


2. Efficiency


The EnergyStar rating system is designed to help consumers make smart choices about how much energy a gas furnace will use during the heating season. While more efficient systems typically cost more initially, they will often pay for themselves in just a few years by using less energy to heat your home.


3. Noise


Todays furnace's are quieter than ever thanks to advanced engineering and features like two-stage fans, which allow the unit to distribute heat at lower fan speeds when less heat is needed.


4. Reliability


Being without heat during a cold Chicago winter is a real hassle. By choosing a furnace with a good record of reliabilty you will reduce the odds of a furnace breakdown and ensure your investment will provide reliable heat for years to come.


Have questions about buying a new furnace? The experts at Air Specialties Air Conditioning and Heating can answer all your home heating questions.


Heat Pump or Gas Furnace? What Are the Differences?

With the increasing popularity of heat pumps in some areas of the U.S., many homeowners are asking if a heat pump is a good option for their Connecticut area home. Here is an overview of how heat pumps differ from traditional gas furnaces.

The main difference between a furnace and a heat pump is that a heat pump can be reversed to either heat or cool a home. A heat pump consists of two parts: an indoor unit called an air handler and an outdoor unit that is similar to a central air conditioner – called a heat pump. A compressor circulates refrigerant that absorbs and releases heat as it travels between the indoor and outdoor units.

Depending on the season a heat pump exchanges the cool air with warm air, or the other way around. Even air that's seems cold can have heat energy. When it's cold outside the heat pump extracts the heat and transfers into the home. When it’s hot outside, it reverses the flow to work like an air conditioner, removing heat from your home.

When considering a heat pump it's important to understand that, unlike a gas furnace which creates heat, a heat pump can only exchange heat, and will be unable to deliver a high level of warm air that is required to heat homes in the colder climate of Connecticut.

Have home heating questions? Call Air Specialties Air Conditioning and Heating. We're here to help.



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