21 Lennox Air Conditioning Frequently Asked Questions - TEK Climate Heating and Air Conditioning
21 Lennox Air Conditioning Frequently Asked Questions

21 Lennox Air Conditioning Frequently Asked Questions

1. Is Lennox a good brand of air conditioner?

Lennox is constantly working on new technology so that they can deliver the coldest, cleanest, quietest air to your home while saving you money. Lennox products have a reputation for reliability. Many owners appreciate how long their AC unit lasts when properly maintained.

Lennox air conditioners are some of the best SEER rated air conditioners in the market with the XC25 being the highest. Lennox has also been listed in the 2018 Most Efficient list by energy star.

There is no match for Lennox’s efficiency. People with more usage, should definitely look at Lennox AC as a reliable and much more economical air conditioner. Running the Lennox XC25 for 9 hours a day is a lot more efficient than any other air conditioner in the market!

2. How long does Lennox air conditioner last?

Air conditioners and heat pumps last an average of 10 to 15 years, while furnaces have a life span of around 15 to 20 years. If your equipment is within those ranges, expect more repairs in the near future.

3. Can I just replace outside AC unit?

Your AC or heat pump is a system consisting of the outdoor condensing unit and an indoor coil (housed inside of your furnace or air handler). Replacing just the outdoor unit and not this coil is like only replacing the engine on an old car. It’ll run again, but you won’t get all the benefits of a brand new car.

Lennox AC FAQ

“Don’t send a fan to do an Air Conditioner’s job!”

4. Are Lennox parts hard to get?

We’re a Lennox partner, so no.

5. What is the warranty on a Lennox air conditioner?

Lennox Extended Limited Warranty
Supplements the Basic Limited Warranty, increasing coverage on parts and compressors from 5 years to 10 years on select Lennox Elite® Series and Lennox Merit® Series gas furnaces, air conditioners, heat pumps, air handlers and residential packaged units.

Lennox ac troubleshooting

6. Is it hard to replace AC unit and can I do it myself?

Simply put, no, you cannot replace your AC unit yourself.

Even if you have the technical know-how to install an AC unit, all of the electrical components add an elevated level of risk to the process. Plus, it takes nuanced HVAC experience to ensure you get the right unit for the size of your house.

7. Should ductwork be replaced after 20 years?

If your ductwork is over 15 years old, you probably should replace it. Ductwork has a maximum lifespan of 20-25 years. By 15 years, however, it begins to deteriorate, significantly reducing your HVAC system’s efficiency, so replacement is the prudent option.

8. What SEER rating should I buy?

The minimum standard SEER for air conditioners is 13, though most modern air conditioners have a SEER that ranges from 13 to 21. … Most older A/C systems are rated at around 8 or 9, so even the lowest available SEER rated system you buy today will be much more energy efficient.

9. How do I reset my Lennox air conditioner?

  • Shut Down Your AC at the Thermostat. The first step in resetting your AC thermostat is to turn it off at the AC unit. …
  • Find Your Circuit Breaker Box. Locate your circuit breaker and the control for your air conditioning unit. …
  • Reset the Circuit Breaker for Your AC Unit. …
  • Wait 30 Seconds. …
  • Turn the AC Thermostat Back On.

10. Are AC coils covered under warranty?

Most manufacturers for residential units will have a 5 year parts warranty that will cover any failed component within the system, although more manufacturers are offering up to 10 years on parts now. Some of these parts are the evaporator coil, compressor, fan motor, blower motor.

Lennox AC questions

11. Can I replace just the AC coil?

In some cases, an evaporator unit can be replaced without the need for a complete air conditioning system change. However, a new system might be appropriate if your AC performs poorly.

12. What is the best type of ductwork?

Sheet metal air ducts are the most durable type of air duct construction, and because of their non-porous surface, are the least likely to have mold or biological growth.

13. Why is my AC not cooling my house?

If your air conditioner will turn on, and your thermostat is set properly, but your system is not cooling you may have a dirty or blocked air condenser. Your first step is to check the outside unit and clean around and remove any debris or weeds that are blocking air circulation.

14. What would cause an AC unit to not turn on?

Usually when the outdoor unit doesn’t turn on, it is because the circuit breaker has been tripped. … If you find that the AC unit still does not work, the next probable cause is the thermostat. A non-responsive thermostat will fail to communicate with the rest of the central air system.

Lennox AC questions

15. Which is better single stage or two stage air conditioner?

A single-stage air conditioner’s compressor only works one level of operation— cooling your home at full blast. A two-stage air conditioner’s compressor works at two levels of operations: High for hot summer days (the equivalent of full blast for single-stage ACs) Low for milder days when you don’t need as much cooling.

16. Can you repair AC coil leak?

Sadly, repair isn’t an option.
And keep in mind that you might be dealing with several little leaks, not just one big obvious one. For this reason, you’ll usually have to replace your coil, your air handler, or your entire HVAC system.

17. How often should AC evaporator coils be cleaned?

To minimize energy usage and reduce utility costs, the A/C coils should be cleaned at least once a year. It is estimated that dirty evaporator and condenser coils can increase the energy usage of your air conditioning system by over 30 percent.

18. How do I know if my AC coil is bad?

  • Warm air blowing through the air vents.
  • Air conditioner turns on and off frequently without effective cooling.
  • Strange sounds, such as hissing, clanging, or banging.
  • Leaks around the indoor unit.
  • The air conditioner won’t turn on.

19. How do I troubleshoot my AC thermostat?

Try these troubleshooting tips if the programmable thermostat’s digital display is off:

  • Batteries – Many programmable thermostats operate on batteries. Remove the cover to the thermostat and replace the batteries if applicable.
  • Circuit panel – Check the circuit panel for a tripped breaker.
  • Fuse – Many thermostats contain a fuse inside. Remove the cover to check the filament in the fuse. If it has separated, remove the fuse and take it to the hardware store for a match.
  • Wire contacts – It’s possible a wire contact has come loose. To check wire contacts, remove the thermostat from the wall mounting. Use the owner’s manual as a guide. If you don’t have it, most manufacturers make manuals available online for viewing or download.

20. Is it cheaper to leave the AC on all day?

In general, it is cheaper to leave the AC on all day during very hot temperatures. However, it’s not efficient to keep it on full blast all the time.

21. What is dirty sock syndrome?

Dirty sock syndrome is the moldy smelling odor that comes from your air conditioner or heat pump when you first turn it on or when a heat pump goes into the defrost cycle It smells similar to dirty gym socks which is where the name comes from. It is caused by mold and bacteria on the evaporator (indoor) coil).