Serving Residential & Commercial HVAC Customers in the Lower Mainland since 1996

SL18XP1 Heat Pump

The quietest and most efficient single-stage heat pump you can buy*

When it comes to cooling and heating your home, the XP21 rises to the challenge in a way that's unmatched by any other heat pump. Exclusive SilentComfort technology, combined with two-stage operation, maintains precise temperatures while keeping energy costs and sound levels at a minimum.

Solar ready, for the highest possible energy savings

Since it's part of the Dave Lennox Signature' Collection, the SL18XP1 can be easily combined with solar roof modules in a SunSource' Home Energy System. This means it can drastically cut your utility bills and make you eligible for a federal tax credit.

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The quietest and most efficient single-stage heat pump you can buy*

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Efficiency Rating (SEER)17.7
Efficiency Rating (HSPF)up to 10.2
Sound Rating (Db)63
Pricing Guide$$$
Energy StarEnergy Star Qualified
Warranty: 10 Year Limited Warranty on covered components including compressor.
View Full Product Specifications

Product Specifications


Energy Efficiency Up to 18.5 SEER / 10.20 HSPF
Stages of Cooling Single-Stage
Sound Rating As low as 67 dB
SilentComfort Technology  
Solar-Ready Design  
ENERGY STAR Certified  
Environmentally Responsible R-410A refrigerant and Solar Ready
Cabinet PermaGuard Cabinet and SmartHinge Louver Design
On-board Diagnostics iComfort-enabled technology
Full Line of Scroll Compressors  
Compressor/Parts Warranty 10-Year Limited Warranty on covered components including compressor

More information


  • Product Literature
  • FAQS
  • Glossary of Terms

    Air Handler/Coil Blower


    The indoor part of an air conditioner or heat pump that moves cooled or heated air throughout the ductwork of your home. An air handler is usually a furnace or a blower coil.

    Central Air-Conditioning System


    System in which air is cooled at a central location and distributed to and from rooms by one or more fans and a series of ducts.

    Communication Module


    A component of a SunSource® Home Energy System that shows system status and environmental benefits in real time.

    Compressor


    The part of an outdoor air conditioner or heat pump that compresses and pumps refrigerant to meet household cooling requirements.

    Condenser Coil


    The outdoor portion of an air conditioner or heat pump that either releases or collects heat, depending on the time of the year.

    Decibel (dB)


    A unit used to measure the relative intensity of sound.

    Dry-Charged Unit


    An air-conditioner or heat pump that is shipped dry and charged with refrigerant at the place of installation. Dry-charged units are appropriate for homeowners who need a replacement unit compatible with R-22 refrigerant.

    Dual Fuel


    A comfort system that pairs an electric heat pump with a gas furnace and alternates between the two fuel sources to maximize comfort and efficiency.

    Energy Star®


    A designation of the U.S. Environmental Protection Agency (EPA). Attached to HVAC products that meet or exceed federal guidelines for energy-efficient performance.

    Grid-Tied System


    The most common and least expensive of all residential solar systems. Allows homeowners to use their own solar-generated electricity to save energy and reduce costs. The utility company’s grid, or network of power stations, serves as the backup power source.

    Heat Pump


    An HVAC unit that heats or cools by moving heat. During the winter, a heat pump draws heat from outdoor air and circulates it through a home's air ducts. In the summer, it reverses the process and removes heat from the house and releases it outdoors.

    Heating Seasonal Performance Factor (HSPF)


    The heating efficiency rating for heat pumps. The higher the rating, the more efficient the heat pump.

    Net Metering


    A service available from many utility providers in which homeowners get full retail value for most, if not all, of the electricity produced by their own generating system, such as a SunSource® Home Energy System. A utility meter keeps track of the “net” difference between the electricity used from the utility provider and the electricity produced by the homeowner’s system.

    Off-Grid Or Off-The-Grid


    An electricity-generating system that operates independently from the utility grid, providing all of the electricity needed in the home, and are generally more expensive than grid-tied systems. Ideal for homes located in remote areas without utility service, or where installing power lines would be extremely costly.

    R-410A Refrigerant


    A chlorine-free refrigerant that meets the U.S. EPA's newest, most stringent environmental guidelines.

    Refrigerant


    A chemical that produces a cooling effect while expanding or vaporizing. Most residential air conditioning units contain the standard R-22 refrigerant, or Freon.

    Refrigerant Lines


    Two copper lines that connect the outdoor air conditioner or heat pump to the indoor evaporator coil.

    Scroll Compressor


    A specially designed compressor that works in a circular motion, as opposed to up-and-down piston action.

    Seasonal Energy Efficiency Ratio (SEER)


    Seasonal Energy Efficiency Ratio, an energy efficiency rating for air conditioners. The higher the SEER, the more efficient the unit.

    SilentComfort™ Outdoor Fan Motor


    Describes a motor with electronic sensor technology that helps optimize overall system performance while keeping sound levels low. Used in select Lennox outdoor air conditioner or heat pump units.

    Solar Module


    A component of a SunSource® Home Energy System that mounts on a home’s roof to capture the energy of the sun and use it to heat and cool the home.

    Solar-Ready


    Describes select air conditioners and heat pumps from the Dave Lennox Signature® Collection that are designed to work with solar modules in a SunSource® Home Energy System.

    Variable Speed Motor


    A motor that operates at a wide range of speeds to precisely control the distribution of heated and cooled air throughout the home.

Media


Thomson Industries Testimonials

Testimonials from our amazing clientsTestimonials

  • I'm very happy with the new hot water tank and furnace!

    Very well done installations, done on time without any hassle. I'm very happy with the new hot water tank and furnace...

  • A great experience from beginning to end!

    A great experience from beginning to end. Everyone we dealt with was very professional and helpful. The installers were very friendly and informat..

  • I highly recommend Thomson Industries company for your home heating needs

    Thompson Industries changed the climate in my home! With new ductwork underneath my house and a new heater, the air is cleaner, lighter and even. ..

  • Professional & Prompt

    Hi, Just wanted to tell you how pleased I was with the professionalism your tech showed when he came to our home on a service call. He was prom..

  • Quick, tidy and Fast!

    We recently had our Hot Water Tank replaced and serviced by Thomson Industries! We have to say that the technician was not only prompt, but he in..

  • Amazing Customer Service

    Hi Todd, I want to thank you for amazing customer service in regards to professionalism, quick response, and installation. The installers w..

  • Heating and Cooling Solution

    To Whom It May Concern: My wife and I were looking for a heating and cooling company with an honest estimator and competitively priced A/C ..

  • Furnace and Hot Water Tank Replacement

    Thomson Industries was a pleasure to deal with. Todd was great when he came by for the quote. He was very friendly and very knowledgeable. He took the..

Premier Partners in Home Comfort

Premier Partners in Home Comfort

  • Lennox
  • Daikin
  • Carrier
  • Trane
  • Navien
  • Rinnai
  • Noritz
  • Rheem
  • Bradford White
  • John Wood
  • LG
  • Mitshubishi
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Thomson Industries
Thomson Industries Ltd. head office address

Unit 100 - 1628 Kebet Way,
Port Coquitlam, BC, V3C 6N2
Greater Vancouver Ph: (604) 552-2990
Okanagan: Ph: (250) 878-0848
Fax: (604) 552-5989
Email: admin@thomsonindustries.ca

Comfort Plus
Comfort Plus a division of Thomson Industries Ltd.

Unit 100 - 1628 Kebet Way,
Port Coquitlam, BC, V3C 6N2
Greater Vancouver: Ph: (604) 757-6188
Okanagan: Ph: (250) 878-0848
Fax: (604) 552-5989
Email: admin@comfortplus.ca

Your Comfort is our business

Thomson Industries Ltd. believes your comfort is our business. Apart from just heating and air conditioning, we also supply and install furnaces, tankless water heaters, conventional hot water tanks, bar-b-que conversions, and indoor air quality products.

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Thomson Industries proudly services the following cities:

Abbotsford, Aldergrove, Anmore, Belcarra, Burnaby, Cloverdale, Coquitlam, Delta, Ladner, Langley, Maple Ridge, Mission, New Westminster, North Vancouver, Pitt Meadows, Port Coquitlam, Port Moody, Richmond, Surrey, Tsawwassen, Vancouver, West Vancouver, White Rock, Merritt, Okanagan, Osoyoos, Keremeos, Princeton, Penticton, OK Falls, Skaha, Peachland, Summerland, Kelowna, Lake Country, West Kelowna, Westbank, Vernon.

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