What is the SEER Rating?

The SEER (seasonal energy efficiency ratio) is how the efficiency of your heating and cooling equipment is measured. The SEER is the amount of cooling your system will deliver per dollar spent on electricity, as compared to other systems. For example, a 3-ton unit may have a SEER efficiency rating of 13, 14, or 15. The higher the SEER the more efficient the system will be. The SEER rating of any given unit can range anywhere from 13 to 21.

Why is the SEER rating on the Energy Guide different than what my dealer quoted?

Each split system cooling unit has a nominal SEER rating. This rating can be increased with the upgrade of the same series indoor unit. The SEER rating of a system is based on the combination of equipment installed in the home. The outdoor equipment (heat pump or air conditioner), as well as the indoor equipment (evaporator coil and furnace, or air handler), play a vital role in the total rating.

Why should I have regular (or preventive) maintenance? And how often should I have it performed?

You wouldn’t run your car all year without changing the oil and having it maintained. An HVAC unit is also a mechanical system that operates much longer than a car, and it requires the same care and attention to keep it operating at peak performance. Ideally, you should perform maintenance twice a year so that both the heating and the cooling sides of the system are attended to. Maintenance is also required to keep manufacturer’s warranties in force. Failures due to lack of maintenance are not covered by the equipment warranty.

What equipment requires regular (or preventive) maintenance?

All heating and air conditioning systems should receive a professional tune-up twice a year; normally in the spring before cooling season and the fall before heating. Inspections on furnace systems should include duct-work, pipes, dampers, valves, registers, blowers, gas lines, control boards and every other mechanical part of the indoor unit. Meanwhile, heat pump and air conditioning inspections should include inspections of the fan, compressor, indoor coils, outdoor coils, refrigerant lines, system pressures, and electrical data.

I need help troubleshooting a problem with my equipment.

As your local Lennox dealer, Metro Environmental Services is your troubleshooting expert, and is glad to help you. In addition, Lennox also provides a network of troubleshooting technicians at Lennox Distribution centers across the country which Metro Environmental Services will utilize to address your concern. Should we encounter a situation that requires additional factory help, we will contact our factory supported Service Manager(s) for assistance.

What are the advantages of a programmable thermostat?

Since they are electronic, programmable thermostats are more accurate and efficient than thermostats that contain mercury. With programmable thermostats you can control the temperature in your home at different times of day without ever touching your thermostat. Because everything is automatic, you will never forget to change the setting on your own.

What type of filter should I use? And how often should I replace it?

Standard filters work to keep your system and its ductwork clean, but they don’t really improve indoor air quality. To do that, you need a media air cleaner. The media filter rests between the main return duct and the blower cabinet and will improve dust and particle removal up to seven times that of a standard filter. However, upgrading to a pleated media filter will remove everything from dust to airborne viruses from the filtered air. Always choose a filter that matches your blower’s capacity. The Minimum Efficiency Reporting Value (MERV) is a standard that rates an filter’s overall effectiveness. A higher MERV rating equates to finer filtration, which means fewer dust particles and other airborne contaminants passing through the filter. The rate of replacement depends on the type of filter you use. A disposable 1” filter should be replaced monthly, but higher efficiency media filters will generally last 6 months to a year.

Where can I get parts for my Lennox equipment?

As a Lennox dealer, we are the best resource for identifying and supplying the correct, current parts for your system, as well as pricing and availability.

Which Lennox equipment will best fit my home?

There are many factors that affect the sizing and specifications of your system, including square footage, insulation, window surface and configuration, geographic location of your home, duct sizing and arrangement, and many others. Metro Environmental Services can perform an in-home load analysis to determine which equipment combinations will perfectly suit your home and your family’s needs. Depending upon the construction of your home, one (1) ton of air conditioning can cool anywhere from 300 to 800 square feet of home. The only way to ensure the size of the system you purchase will be large enough to heat or cool your home, but not any larger than you need, is to have your home’s individual heating and cooling needs evaluated by a licensed professional.

What does my warranty cover?

Under the standard factory warranty, Lennox covers parts that fail during the warranty period due to defect in the part. The factory warranty does not cover labor. However, all Lennox systems sold by Metro Environmental Services come standard with a 3-year labor warranty. You may extend this coverage up to 10 years for an additional cost. All Lennox equipment that we install is also registered with Lennox Corporation to ensure you receive a full 10 year warranty on covered parts. If you cannot find your warranty certificate, Metro Environmental Services will also be able to provide you with that information.

What is the life expectancy of my unit?

Dependable Lennox products are among the longest lasting heating and cooling products available. For your specific equipment, there are many variables that affect life expectancy, including, of course, the regularity of routine maintenance.

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