We sell and install quality Lennox equipment. We service and repair all heating and cooling products.

Are you considering the purchase of new HVAC equipment? Are you confused by some of the terms we use to describe our products? Although you don’t need to be an expert on HVAC matters, we encourage our clients to make informed decisions. We believe that customers choose the most appropriate heating and cooling equipment when they understand the rudiments of our HVAC merchandise.

Here are some brief descriptions of the different systems we sell:

Single-Stage Furnaces:

These furnaces operate on a simple principle: when the thermostat drops below the desired temperature, the furnace turns on full blast. This quickly corrects the temperature. The downside is that it produces uneven temperature spikes.

Two-Stage Furnaces:

These furnaces operate continuously at a low level to provide a uniform temperature. When the thermostat drops drastically, the second stage kicks in and the furnace runs at full capacity until the temperature is regulated. These furnaces are recommended because they are efficient and provide more comfort than a single-stage furnace.

Two-Stage Furnace with Variable Speed Blower:

 While similar to the two-stage furnace in principle, these furnaces come with an added benefit. The variable speed blower dehumidifies the air during those months when an HVAC system provides cooling instead of heating. The blower cools the evaporator coil quicker than normal. The effect is that air condenses more easily and becomes less humid.

80% AFUE Versus 90-95% AFUE:

Although furnaces are rated according to efficiency, the most important thing consumers should consider is their desired comfort level. Once that criterion is met, the efficiency should be taken into account. When comparing a standard-efficiency unit to a high-efficiency unit, you should always remember to factor in the size of the house and the average operating cost.

Air Conditioners:

The efficiency of outdoor air conditioning units is measured by the seasonal energy efficiency ratio (SEER). The minimum SEER of today’s units is 13. You should consider the SEER rating when comparing different air conditioners, the same way you might use the gas mileage as a means of comparison between two cars.

Heat Pumps:

Much like a two-stage furnace, a heat pump will establish a uniform temperature zone throughout your home, resulting in superior comfort. However the heat pump is superior to a furnace alone – it transfers heat from the outside to the inside of your home. This is ideal when there is a minimal demand on the thermostat. However, when the demand for warm air increases dramatically, the furnace kicks in.

Keep in mind that most electric companies offer reduced rates with the purchase of a heat pump. With a heat pump, you get the benefits of a two-stage furnace while economizing.


During cold winter months, the air dries out considerably. A humidifier moisturizes the air and increases comfort levels.

Air Cleaners:

An air cleaner generally has three significant aspects: a filter, an ionizing stage and collector cells. Air cleaners generally replace a standard filter and produce superior results.

Air Filters:

Air filters come in a variety of sizes and styles, with varying levels of performance. Your best bet is a pleated filter because they offer increased capacity due to their higher surface area. A higher capacity filter needs to be changed less frequently.


For optimal comfort, we suggest zoning your heating and cooling system. This is a process that divides a home into different areas, or zones. Ideally, each zone has its own thermostat linked to a mechanical damper that will open or close as the need arises. This system maintains comfort levels despite different needs. For example, during the summer, the top floor of your home gets hotter than the downstairs. To keep the upstairs comfortable, a conventional HVAC system will usually make the downstairs too cool.

A zoned system avoids that conundrum by directing cool air only to the zone that needs it. Thus you can keep the upstairs zone at the desired temperature without overcooling the downstairs.


Thermostats have come a long way. While digital thermostats have become the standard, products like the Honeywell IAQ represent the culmination of technological innovation in the thermostat field. Not only will this new breed of thermostat manage the temperature, it also keeps tabs on the humidity levels in your home. It will automatically turn on the heating or cooling system to maintain your desired humidity, without affecting an appreciable change in overall temperature.

Now that you understand more about HVAC equipment, here are some of our great products!

Whole-House Humidifier:

This unit comes with automatic digital control and is renowned as the best bypass humidifier available. Once one of these units is installed on a heating and cooling system, water vapor is distributed directly through the system’s ducts to efficiently humidify the air throughout your home.

Replacement Air Filters:

If you want cleaner air in your home, these filters are crucial. They are easy to use, available in an array of sizes and feature a higher minimum efficiency reporting value (MERV) than the average fiberglass filter. These filters restrict the introduction of harmful particles into your HVAC system, thus protecting your equipment while improving your air quality.

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