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Here at Lewis Air Conditioning we know that there are so many options and that high energy costs can make your heating/cooling system seem overly complicated and confusing. We hope that this will help you.

Money Saving Tips

  • Set your thermostat between 72°F and 78°F. Each degree below 78°F increases energy consumption by about 8%. That can add up to a lot of money over a year
  • Inspect and clean both the indoor and outdoor AC/Heating coils. Dirt build-up on the indoor coil is the single most common cause of poor efficiency.
  • Have the refrigerant charge checked. If the system is overcharged or undercharged it will not work properly.
  • Use bath and kitchen fans sparsely when you are running the air conditioning system.
  • Reduce the cooling load by using cost-effective conservation measures. Examples of this include: effectively shade east and west windows; delay heat-generating activities, like dish washing or baking, until the evening on hot days.
  • Try to not use a dehumidifier at the same time your air conditioner is operating. It will increase the cooling load and force the air conditioner to work harder, increasing your utility bill.
  • Keep the house closed tight during the day. Don’t let in unwanted heat and humidity.
  • Ventilate at night either naturally or with fans.

Frequently Asked Questions

How do I select the right heating/cooling system?
First, make sure the unit is properly sized. We will provide a load calculation for your home. Next, consider comfort issues in the home. Some products can reduce uneven temperatures from room to room. For allergies, an ECM motor will allow you to circulate the air continuously while filtering it for about the same cost as operating a standard light bulb. Finally, consider the efficiency of the system being proposed. What is the payback? Will the monthly savings offset the cost of the new unit?

How does a Heat Pumps work?
Heat pumps extract heat from the atmosphere and turn this heat into useable heat energy by using a refrigeration cycle (like a refrigerator does). This happens inside the heat pump and the harvested heat is output as hot water, which is then used to provide central heating and/or hot water. The primary benefit of a heat pump is that it’s unrivaled for efficiency. For every unit of heat energy input (typically electricity), up to 4 units are output. This up-scaling of energy is referred to as the CoP (Coefficient of Performance). This is what sets heat pumps apart from other more conventional forms of heating systems.
These systems can be connected directly to existing radiators and will run extremely efficiently. They can also be designed to run with modern underfloor heating systems, which heat pumps are ideally suited for.

How expensive are air conditioning and heat pump systems?
Many factors affect the cost, including the size of your home, type and condition of ductwork installed and accessories you need or want. We have a range of systems and accessories available to meet all your needs, including your financial ones!We will be happy to assist you in finding the right system to meet your comfort needs and your budget.

How long can I expect a new system to last?
With regular preventative maintenance and service, industry averages suggest that an air conditioner should last 12-15 years. Coastal applications may be less.

Should there be ice on my Air Conditioning unit refrigerant pipe?
No. Ice should never form anywhere on your air conditioning unit or it's refrigerant line set. This indicates an improperly charged system. This is usually a symptom of a low refrigerant charge or can be due to a clog in the refrigerant line. Either way this requires immediate attention or damage to your system could be the result.

What is involved in replacing an old system or installing a new system?
Aside from the placement of the new equipment, we will inspect and make a determination of whether or not these items need to be supplied or replaced: ductwork, insulation, refrigerant piping, electrical service, wiring, thermostat, condensate piping, flue piping, flue terminations, slabs, filter, driers, registers, grills, drain pans and evaporator coil.

Why does my Air Conditioner make so much noise when starting?
This can be normal. Or, the compressor is not under pressure for the first few seconds of operating and this tends to make it louder in operation. This should only last for no more than say 10 seconds. If it is suddenly noisier than usual or lasts beyond a few seconds this be a symptom of refrigerant level problems.

Why does my Air Conditioning run all day in hot weather?
This is commonly caused by three possible things. The first is that your system may have not been designed correctly to meet the latest energy codes and to perform at the highest efficiency. Anther possibility is that it was not sized properly. During very hot weather, this can be be normal due to how air conditioning systems are designed for maximum efficiency.AC Systems are designed for an averaged mean high temperature in the area. Efficiency drops when the temperature goes above this point and the system must run longer to meet the set point. Increasing the efficiency of the condensing unit (higher SEER rating), along with the indoor coil, while maintaining the size, will usually overcome this problem. The 3rd possibility is incorrect duct sizing.

Why is there water dripping from the pipe on my AC unit?
Water dripping from the refrigerant line is an indication of an improperly charged air conditioning system with our without insulation. Refrigerant levels in your system is critical to proper operation and efficiency. Too little and too much refrigerant will cause poor operation, lack of capacity and lower operating efficiency. If you see this you should call us to first determine if the charge is low or high and if it is low will inspect for leaks.

Why replace my existing heating/air conditioning system?
Consider replacing your air conditioning/heating system if it is old, inefficient or in need of repair. Today's systems are as much as 60% more efficient than those systems manufactured as little as ten years ago. In addition, if not properly maintained, wear and tear on a system can reduce the actual or realized efficiency of the system. If concerned about utility bills, or when faced with an expensive repair, consider replacing your system rather than another costly season or paying to replace an expensive component. The utility cost savings of a new unit may provide an attractive return on your investment. The offsetting savings may permit you to purchase a more efficient system.
Set your thermostat between 72°F and 78°F. Each degree below 78°F increases energy consumption by about 8%. That can add up to a lot of money over a year.
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