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Heating and cooling systems are incredibly important to the comfort of your home. They work tirelessly to keep you warm in the winter and cool in the summer, but if they're not properly maintained or serviced, they can fail without warning. By performing regular inspections, you can identify problems before they become big problems.
We recommend that homeowners schedule a professional tune-up for their central heating and cooling systems at least once a year. Inspections should include ductwork, pipes, dampers, valves, the chimney and registers. The gas meter and oil tank should also be inspected along with every part of the actual furnace or boiler itself. Heat pump and air conditioning unit inspections should include inspections of fans and compressors as well as indoor coils and outdoor coils.
You should have your systems serviced right before each cooling and heating season starts.
Add some attic ventilation! This will reduce moisture and lower your cooling costs.
When you design a system for heating or cooling, it's important to consider the height of the ceiling, where windows are and how big they are, and many other things. A load calculation that takes this into account will be more effective.
We know you don't want to buy a new heating or air conditioning system. But if your old system is in bad shape or inefficient, buying a new one can offer long-term savings.
Two-stage cooling uses a multi-speed compressor. A high-stage demand from the thermostat will cause the compressor and circulating fan to operate at 100% capacity, and the indoor fan to run at its high-speed setting. A low-stage demand from the thermostat will result in a 35% speed reduction at both the compressor and indoor unit circulating fan. Two-stage cooling generally results in extended operation at low speed removing more moisture from the structure, providing more comfort, and using less electricity than single-stage systems.
In many homes, it's too much to expect one thermostat to provide perfect conditions for every room. What is comfortable for the sleeping area may be uncomfortable for the living area and vice versa. Zoning divides your home into areas with common heating and cooling requirements by using additional thermostats and zone dampers installed in the duct system. Zoning allows you to simply set the temperature in each zone to your desired comfort level and leave unoccupied areas without heating or cooling--saving money on energy costs. A properly designed zoning system allows you to do this easily!
The AHRI Directory contains ratings for air conditioners and heat pumps. These ratings explain how a split system--an outdoor unit and an indoor unit--performs as a paired set. This is a more precise measure of the equipment you are considering for your home. Please click here to see definitions of EER, SEER, and HSPF, the most common measures of a unit's efficiency. Note that the AHRI data include information for all models still being sold (active) and those which are no longer currently in production but are still available (discontinued).
AFUE stands for Annual Fuel Utilization Efficiency ratio. It's a measurement of how well fuel, gas or oil is consumed to produce heat by a furnace. The higher the AFUE rating, the more efficient your furnace is and the lower your fuel costs will be. In fact, furnaces manufactured in the United States are required to have at least an 80% AFUE.
The HSPF is the Heating Seasonal Performance Factor, a rating of the efficiency level of the heating operation of a heat pump. The higher the HSPF, the more efficient the heating performance of a heat pump. New units in the United States have HSPF ratings from 7.0 to 9.4.
If anything in the area surrounding the outdoor coil gets in the way of airflow, it can negatively affect the efficiency and performance of the equipment. Make sure to keep the space around the equipment clean and clear.
In the winter, it's a good idea to cover your air conditioner to prevent unwanted debris from accumulating on the outdoor unit and later impeding airflow to the outdoor unit. At the same time, though, you should never operate your air conditioner with a covering in place. Accidentally doing so could cause system damage. It is recommended that high voltage power always be disconnected from the outdoor unit whenever a cover or anything obstructing airflow is introduced.
Here are several tips to help you keep your HVAC system running efficiently:
Here are some of the reasons why your AC unit might be freezing up--lack of airflow, refrigerant and a dirty air filter.
This might happen if the fan motor is bad, the compressor is failing, there isn't enough refrigerant in the system, or if one of the fan blades is out of balance.
Using high-efficiency air filters and air scrubbers to remove pollutants and UV sterilizers to kill bacteria and viruses.
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