Lennox Air Conditioners

Lennox logo

Lennox first began making air conditioners in 1952, and since then they’ve become a customer favourite for their efficiency, durability, and great temperature control.

Ottawa Home Services can help you find the right Lennox for your home and specific needs. There’s a lot to choose from, so it helps to have an expert on your side. Our process is as friendly as it is tailored to your needs. It’s completely transparent and professional, from the first discussion through the itemized sales quote to installation to the check up call afterwards.

We want you to be completely happy so much we guarantee your satisfaction. To get started, ask for your free quote, and let us know what you’re looking for.

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Our Lennox Air Conditioner Models

There are a lot of options when it comes to choosing the right Lennox AC.

  1. Your comfort needs. Are you fed up with your existing air conditioner’s performance? Are you getting warmer and cooler areas all over your home? Do you find you’re constantly playing with the temperature to get the kind of refreshment you want?
  2. Your efficiency requirements. Many people are fed up with paying electricity bills that keep going up – and are slated to go up in the future. A more efficient air conditioner will mean you save on electricity long term.
  3. The size and insulation quality of your home. Square footage, ceiling height, sun exposure, number of floors – even the tree cover in your yard can make a difference to the amount of cooling power you need.
  4. Your budget. You can get a Lennox for every budget. We also provide financing and rent-to-own options.

That’s why it’s important to get an Ottawa Home Services cooling expert to help you find the right model.

You can check some specifics in the two tables below. We’ve divided up our air conditioners into the highest efficiency and medium efficiency for convenience.

Maximum Efficiency Air Conditioners

These units are all designed to provide the best energy efficiency, but there’s still a lot of room to balance purchase cost and efficiency. If you’re looking for the most budget friendly models, check the medium efficiency list below.

Lennox XC25 Air ConditionerXC25

One of the most efficient air conditioners you can buy, and it has the most precise temperature control too.

  • Cost-saving efficiency at 26 SEER
  • EnergyStar qualified. This model is also one of EnergyStar’s Most Efficient of 2017.
  • Super quiet operation as low as 59 dB – about 50% quieter than most air conditioners
  • Eliminates temperature swings: the XC25’s great temperature control thanks to variable-stage operation (it chooses the most efficient speed to keep the temperature you’ve set)
  • iComfort Wi-Fi® thermostat compatible
  • Eco-friendly R-410A refrigerant. This model is also solar-ready.
  • 10-Year Limited Warranty on covered components including compressor
  • Download the brochure >

Lennox XC21 Air ConditionerXC21

Excellent efficiency, and one of the quietest 2-stage air conditioners on the market.

  • Electricity-saving efficiency at 21 SEER
  • EnergyStar qualified. This model is also one of EnergyStar’s Most Efficient of 2017.
  • Very quiet operation as low as 69 dB – about 20% quieter than any other AC.
  • Good temperature control thanks to 2-stage operation.
  • iComfort Wi-Fi® thermostat compatible
  • Eco-friendly R-410A refrigerant. This model is also solar-ready.
  • 10-Year Limited Warranty on covered components including compressor
  • Download the brochure >

Lennox SL18XC1 Air-ConditionerSL18XC1

One of the most efficient single-stage air conditioners – and the quietest!

  • Costs less in electricity thanks to 18.5 SEER efficiency
  • EnergyStar qualified.
  • Extremely quiet performance as low as 65 dB
  • Single-stage operation
  • iComfort Wi-Fi® thermostat compatible
  • Eco-friendly R-410A refrigerant. This model is also solar-ready.
  • 10-Year Limited Warranty on covered components including compressor
  • Download the brochure >

Lennox XC20 Air ConditionerXC20

One of the most efficient air conditioners you can buy, and it has the most precise temperature control too.

  • Save money on electricity with 20 SEER efficiency
  • EnergyStar qualified. This model is also one of EnergyStar’s Most Efficient of 2017.
  • Extremely quiet operation as low as 65 dB
  • Precise temperature control thanks to variable-stage operation
  • iComfort Wi-Fi® thermostat compatible
  • Eco-friendly R-410A refrigerant. This model is also solar-ready.
  • 10 year limited warranty on compressor, 5 year limited warranty on covered components. May be eligible for 10 year limited extended coverage with registration.
  • Download the brochure >

Medium Efficiency Air Conditioners

If every dollar counts in your family’s budget, you may want to consider some of these models. They aren’t as energy efficient or as precise in controlling your home environment, but they do have great Lennox durability at a budget-friendly price.

Lennox XC16 Air ConditionerXC16

Great efficiency and performance.

  • Cost-saving efficiency at 17.2 SEER
  • EnergyStar qualified.
  • Nice and quiet – as low as 74 dB
  • Ask about compatible thermostats
  • Eco-friendly R-410A refrigerant.
  • 10 year limited warranty on compressor, 5 year limited warranty on covered components. May be eligible for 10 year limited extended coverage with registration.
  • Download the brochure >

Lennox EL16XC1 Air ConditionerEL16XC1

Great efficiency and much quieter than comparable models.

  • Great efficiency at 17 SEER
  • EnergyStar qualified.
  • Quiet operation as low as 71 dB
  • Single-stage cooling
  • ComfortSense® 7500 touch screen thermostat compatible
  • Eco-friendly R-410A refrigerant.
  • 10 year limited warranty on compressor, 5 year limited warranty on covered components. May be eligible for 10 year limited extended coverage with registration.
  • Download the brochure >

Lennox XC13 Air ConditionerXC13

Good efficiency – a great choice for budget watchers.

  • Efficiency of 15.5 SEER
  • Quiet operation as low as 74 dB
  • Single stage cooling.
  • Ask about compatible thermostats
  • Eco-friendly R-410A refrigerant.
  • 10 year limited warranty on compressor, 5 year limited warranty on covered components. May be eligible for 10 year limited extended coverage with registration.
  • Download the brochure >

What Do Our Technical Terms Mean?

SEER (Seasonal Energy Efficiency Ratio)

Your air conditioner’s SEER number tells you how efficient it is – higher numbers are more efficient.

The specific number is found by taking the AC’s cooling ability (in British thermal units or BTU) and dividing it by the power needed to make it work (in watts per hour). In Canada, the lowest SEER allowed right now is 13, and they can go up to the mid 20s for central air conditioners (ductless air conditioners can be a bit more efficient).

The SEER value provided is the potential it can reach – in order to get there you have to have the right indoor unit installed and properly sealed air ducts.

Cooling Capacity

Each Lennox model comes in a variety of sizes, measured in “tons”. It actually has nothing to do with the weight of the machine, but its ability to cool your home.

Back before modern air conditioning, some buildings and homes were cooled with large blocks of ice – measured in tons. These days we still convert cooling power to the equivalent amount of tons. For example, a one ton air conditioner will provide 12,000 BTUs of cooling every hour (or more accurately it will remove 12,000 BTUs of heat from your home).

The most important thing to remember is that more is not necessarily better. You need to match the specific house to the air conditioner power. If you get an AC that’s too big, it will wear itself out faster by constantly turning on and off.

Compressor Adaptability and Type

Why should you care about a detail like the compressor? It has a huge role to play in both the AC’s energy efficiency and the evenness of the temperature in your home.

Compressors come in two types: scrolling and reciprocating. We feel scrolling compressors are better for three reasons:

  1. They have fewer moving parts and are less likely to wear out.
  2. They’re quieter.
  3. They’re more energy efficient.

Compressors also come in different stages:

  1. Single stage – the least energy efficient.
  2. Two-stage – more efficient.
  3. Variable stage – maximum efficiency.

The more stages a compressor has, the more precisely it is able to adapt the cooling power to the needs of the moment. This means it never needs to use highest power. A single-stage compressor on only going full blast or not at all.

Get Help From the Cooling Professionals


100 Percent Satisfaction Guaranteed
We’ve always felt that it’s more important to us that you get the right sized air conditioner for your home. For that reason, we make sure our team knows that (unlike at some other places) their job is not to push to most expensive models we carry. In order to make sure that happens, we provide a 100% satisfaction guarantee: if you’re not happy, we’ll make it right.

You’ll love our easy to understand process that keeps your needs a priority at all times.

  1. Information gathering. We measure your home and calculate its cooling needs based on factors like square footage, ceiling height, how exposed to the sun it is, and more. We also find out what your priorities are in terms of cost, energy efficiency, comfort control, and communication ability (e.g. wifi compatibility).
  2. When you’ve chosen a model, we prepare a full price quote for you. It lists all costs including labour – you never pay more than what your quote states.
  3. We leave you alone to make up your mind – unless you have questions, of course. Your price stays fixed for 30 days, so you have time to think and be confident you’re making the right decision.
  4. When you give us the go-ahead, we give you complete details on our professional installation process so you know what to expect. We even send you pictures and arrival time for your installation team.
  5. We remove your old air conditioner and install your new one. We make sure everything is as neat and tidy as it was when we arrived. We also show you how to adjust your new air conditioner and answer any questions you have.
  6. A day or two after the installation, we phone to make sure there are no questions or issues.

We’ve had great customer feedback on our process, and have passed on a lot of kind thank yous to our technicians over the years.

If this sounds like the kind of installation process you’d like to experience, ask us for your free quote. There’s no obligation to buy if you change your mind.

Request a FREE Quote