- The temperature in the house is
fine, but the indoor fan runs all the time. What's wrong?
Sometimes
homeowners turn the fan switch to "On" versus "Auto" which
causes the indoor fan to run continuously. Turn the switch to "Auto"
and the fan should stop running continuously.
- Is there any advantage to
setting my thermostat fan to "On" so the fan runs constantly?
Yes, there
is a couple. The first is that you get constant filtering of the air in your
home. The second is that because the air is moving, you have a more even
temperature throughout the home. However, continuous fan mode during the
cooling season may not be appropriate in humid climates. If the inside of your
home feels uncomfortably humid, it is recommended that the fan be used in
"Auto" mode.
- Why is a “right sized” system
important?
A “right
sized” system is important for a variety of reasons. One is comfort. When all
our components are properly sized to your home, you can control exactly how
much heating or cooling you need so you can relax. Also, a properly sized right
sized system enables every component to perform as designed, meaning proper
cycle times are maintained, humidity is controlled, and system sound is
minimized. Another reason matched systems are important is efficiency. Most
people buy systems that are too large for their homes, meaning they pay to heat
and cool space that isn't even there. A matched system outlined by a dealer who
has completed a load calculation for your home provides just the right amount
of heating and cooling you need so you get the most value for your utility
dollar.
- The air coming from the
registers feels cool when my new heat pump is set for heating. Is there a
problem?
While a
heat pump is perfectly capable of effectively heating your home, the
temperature of the air coming out of the registers is heated to about 90 to 95
degrees, depending on the outdoor temperature. This temperature is
approximately 20 - 25 degrees warmer that the indoor air temperature and will
warm your house. It is, however, below body temperature (98.6 degrees) and can
feel cool when someone puts their hand in the airflow.
- What is the purpose of
auxiliary heat?
Under
normal operating conditions, the auxiliary heat is brought on automatically by
the thermostat when the indoor temperature drops during heat pump operation.
There are also times during cold, wet weather when the outdoor coil may ice up
and your heat pump will go into a defrost cycle. This is nothing more than
reversing the process back to cooling mode. Cooling mode makes the outdoor coil
hot and melts any ice. The defrost cycle should only last a few minutes and
then return to heating mode. During the defrost cycle, your comfort system is
in cooling mode and the supply air is cool. To offset this cool air, the auxiliary
heat will be energized during defrost. A mist or fog may be visible from the
outdoor unit during defrost.
- How long does a typical furnace
and air conditioner last?
On
average, a furnace or air conditioner will last 10 - 20 years. Sometimes it
pays to replace the old system sooner because of the higher efficiency (lower
gas and electric bills) provided by newer equipment. Life expectancies can vary
greatly. The major factors influencing life expectancy are proper installation
and regular maintenance. Maintenance is a must to maximize efficiency and
protect your investment.
- What goes into installing a new
system?
If you
install a new system, most of the items from the "What happens when I
replace my old system?" will need to be installed as well. Beyond
equipment, the most important component installed with a new system is the
ductwork. Ductwork is composed of two parts, supply and return. Supply duct is
attached to the outflow of the new system, delivering air to each zone in a
home. The amount of air reaching each zone is determined by the size of supply
ductwork connecting it to your system. We will help you determine
the size of all the supply ductwork in your home. The second part of the
ductwork, the return duct, attaches to the inlet of the new system and draws
air out of the spaces to be heated or cooled. Attached to the return duct is
the filter. The filter should be placed as near to the furnace or air handler
as possible. Ductwork can be either ductboard, flexible duct, or metal and must
be properly sized in order to evenly distribute the proper amount of air to
each room.
- My electric and gas bills are
high. Will a new furnace and air conditioner lower my bills?
YES! A new
13 SEER air conditioner or heat pump could save you as much as 50% on your
operating cost of the system. 13 SEER is the minimum efficiency standard
allowed by law. Depending on your current operating costs, high efficiency
systems could save you even more. Newer gas furnaces are 30 - 40% more
efficient than some older models. With rising gas prices, this could mean big
savings.
- What is SEER?
This
stands for Seasonal Energy Efficiency Ratio. The size of an air conditioner is
rated in BTU or Tons, however the efficiency is rated in SEER. This ratio is
calculated as cooling output divided by the power input for the average U.S.
climate. It's like MPG (miles per gallon) in a car - the higher the MPG (or
SEER) the lower the gasoline (electricity) bill.
- What is a heat pump? Is it
better than an air conditioner?
A heat pump
is an electric powered piece of equipment that both heats and cools your home.
In the summer, a heat pump is no different than an air conditioner. In the
winter a heat pump operates in reverse and heats the indoors. Heat pumps need
auxiliary heat (electric heat or gas furnace) to help them when it is very cold
or when the thermostat is
moved more than 2 - 3 degrees at a time. The initial investment for a heat pump
is higher than for an air conditioner, and the ductwork must be exactly right
for proper operation. One common complaint of a heat pump is that the air
coming out of the registers is not hot enough (compared to a gas furnace). With
all their drawbacks, heat pumps will reduce the winter heating bills. However,
the savings compared to heating with gas is dramatic and you will probably want
to stay with a heat pump.
- Is it OK to install a different
brand of furnace (or air conditioner) to work with my existing air
conditioner (or furnace)?
Most
brands of equipment will work with others as long as the coils and blowers are
the proper size. You may, however, experience some loss of efficiency and
capacity.
- How does Brower Mechanical
determine the size of furnace and air conditioner to install?
Our
Comfort Consultant will measure your home and calculate the actual heating and
cooling load on your home (calculation based on window size and direction,
walls, ceiling, floor, appliances, insulation, etc.) This will determine the
proper size of equipment that is needed. This will be compared to your current
equipment and ductwork and will be adjusted based on your lifestyle, etc.
- Some rooms in our house are too
hot (or cold). Can this be fixed?
Certainly.
There are a variety of causes for airflow problems. Sometimes the problems are
due to a dirty filter, coil, and/or blower which results in reduced air flow
passing through the air handler and causing the air to die off in the outer
branches of the duct system. From time to time the duct work comes loose and a
minor reattachment repair can solve the problem. In a lot of cases, there are
duct design issues. In these cases, a professional from Brower Mechanical
should be called in to troubleshoot the situation. Solutions can range from some
simple air balancing to replacement of ducts to advanced climate control
systems such as a zone system.
- How do I pay for my new system?
For
installation of new equipment, we do not require any down payment, however we
ask for payment the day we complete the installation (unless other arrangements
have been made in advance). We accept cash, checks, VISA, Mastercard, and
Discover. We also offer financing through a local financing company and often
run same as cash specials to customers with good credit. CHF, POWERSAVER, SMUD Financing, YGRENE, and many more.
- In terms of preventative
maintenance, why can't my air conditioner and furnace be checked at the
same time instead of one in the spring and one in the fall?
They
should be checked and cleaned to ensure they are operating efficiently,
properly, and safely. We recommend checking the air conditioner in the spring
and the furnace in the fall so that we can fully operate the system to check
its operation. When checking your refrigerant level in your air conditioner, we
obtain a more accurate reading at higher outdoor temperatures.
- Should I have a new
programmable thermostat installed with my new system?
We offer
thermostats that you can check and change your temperature from any smart phone
or tablet. Programmable thermostats are an excellent tool to save energy. You
can program the thermostat so that it raises and lowers the temperature
automatically to coincide with your needs. They are particularly effective when
your household is on a regular schedule and the program operates continuously.
Aside from lowering your energy bill, a programmable thermostat offers
additional comfort
- What can I do to maintain my
air conditioner or heat pump?
Regular
maintenance will extend the life of your equipment and reduce repair costs.
Here are some simple tasks that should be done.
- Keep debris, grass clippings, dirt, and leaves away
from outdoor unit.
- Use a hose to clear the aluminum fins from airborne
debris (be careful, the fins bend easily. Use a regular hose without a
spray nozzle, and a very soft brush with light to no pressure).
- When should I replace my
furnace?
Furnaces
eventually wear out just like any piece of machinery. Our professional HVAC
service technicians will see certain indicators that tell them your furnace is
wearing out. Some of those symptoms are:
- Frequent pilot light outages
- Delayed ignition
- Yellow flame or wavering flame
- Excessive soot or corrosion
- Too much or too little heat
- The smell of sulfur or burnt eggs
Frequently,
equipment owners start considering replacing their units when the frequency and
costs of repairs become a bigger headache than the cost of replacing the unit.
- How do I select the right
heating/cooling system?
First,
make sure the unit is properly sized. Your Comfort Consultant will provide a
load calculation for your home. Also will offer to provide an energy assessment
to determine operating cost. Next, consider any comfort issues in the home.
Some products can reduce air stratification and uneven temperatures from room
to room. Finally, know your budget parameters and the efficiency of the system
being proposed. Rebates from the utilities can often offset the majority of the
price with coupled with other energy saving measures. There are many factors to
consider when selecting a new heating and/or cooling system.
- How can we improve the
efficiency of an existing heating and cooling system without replacing the
furnace or the air conditioner and without adding more insulation?
First and
foremost is MAINTENANCE. The equipment needs to be cleaned and serviced by a
licensed professional at least twice per year. Studies have shown that lack of
proper maintenance can reduce equipment efficiency by 5 - 10%. In addition,
most of today's filters need to be changed a minimum of every 90 days, and
don't skimp on the filter. You should use a filter that has a high efficiency
rating to help keep your air and equipment clean. After thorough cleaning of
your equipment, the service technician will adjust the Freon levels in your air
conditioner to the manufacturer's specifications. An over charged unit is just
as bad as an under charged unit when it comes to energy consumption. On the
heating side, the burners should be cleaned for maximum performance, as well as
adjusting the gas pressure, and cleaning the blower wheel. Program 8 hour or
greater blocks of time and no more than 7 degree adjustments are recommended.
- How often should I have my air
ducts cleaned and inspected for repairs?
In the majority
of homes, cleaning and inspection once every three years is adequate. The type
of air filter you are using and the frequency of maintenance on your heating
and air conditioning equipment can have a significant effect on the duration
between cleanings. The purchase of a good quality air cleaner will protect your
heating and air conditioning equipment, duct system, and your home, while
scheduled maintenance will extend the life of the equipment and increase its
efficiency.
- My furnace uses propane gas and
is blowing cold air, is there anything I should check?
Check your
propane tank to make sure you have gas. To check the tank, flip open the dome
lid on top of the tank. Look at the gauge. It will have numbers (percentages)
from 0 to 100. Make sure the needle is not on zero.
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