Trusted Furnace + AC Sales & Repairs London / Waterloo Area (226) 240-3219

AC/Furnace, Tankless Water Heater, Boiler Sales & Service

Lennox, American Standard, Armstrong, Keeprite, Rinnai, Navien, John Wood

Constant Home Comfort London (CHCL) is an industry-leading HVAC home energy provider with years of professional experience in repairing and installing furnaces, boilers, air conditioners, water heaters, water filtration systems, IAQs, and insulation systems. Our agenda is to deliver high-quality and quality products for all your heating and cooling needs at convenient prices. 

Rebates now Available! You can earn upto $5,000* if you upgrade to a new high-efficiency system with Enbridge’s Home Efficiency Rebate.

Are you looking for an emergency furnace or AC repair services? Our technicians are just one call away, available 27/4. Call us at (226) 240-3219


Our first and foremost priority is customer satisfaction and we’ve been highly rated on HomeStars, ReviewBuzz, and BBB by our clients. Constant Home Comfort London (CHCL) is authorized as one of the top dealers by manufacturers like Lennox Canada. We’ve been awarded the Lennox Centurian in recognition of excellence and performance – this award is only given to 2% of the top-performing Lennox dealers in North America.  




Call Us Today (226) 240-3219

Constant Home Comfort London (CHCL) is a trusted HVAC home energy dealer in London with several years of experience in installing and repairing furnaces, boilers, air conditioners, water heaters, water filtration systems, IAQs, and insulation systems.  Our aim is to provide high-quality and cost-effective products for all your heating and cooling needs. 

If you require emergency furnace or AC repair services, our technicians are just one call away, available 27/4. Contact us at (226) 240-3219  

Why Choose Constant Home Comfort London (CHCL)

  • We offer great quotes in no time – best price guaranteed
  • Rely on quick installation and appointment times
  • We’re an award-winning home energy supplier, voted most trusted in London
  • We work day-and-night – call us for 24/7 repair services
  • We store all scraps so that your system is quickly fixed – no downtimes
  • We work with cutting-edge brands – Lennox, Keeprite, Goodman, American Standard, Aire-Flo  and Armstrong Air
  • You may avail up to $4,250 in rebates when you replace your old and faulty AC or furnace with a high-efficiency system

24/7 Furnace Installation and Repairs

Is your furnace not functioning as it should? Does your home have uncomfortable hot and cold areas? Our expert HVAC technicians deliver professional furnace repairs and maintenance services to make sure your home’s heating system works actively and keeps you and your family comfortable during the winter. 

Constant Home Comfort London’s (CHCL) HVAC technicians are fully qualified – no job is too complex for them to handle. They take care of furnace repair, troubleshooting, and maintenance to ensure that no future problems arise. 

Signs that your furnace needs repairs ASAP:

  • The furnace doesn’t turn on or discharges lukewarm air
  • The house has hot and cold spots and swinging temperatures
  • Unusual vibrations and noises from the system
  • Significantly declined air quality
  • When your thermostat isn’t responsive 
  • You detect strange furnace odours
  • The pilot light is faded
  • The furnace has lapsed the carbon-monoxide detector

If you’re experiencing any of these warning signs, don’t wait.

Call Constant Home Comfort London immediately at (226) 240-3219

Furnace services we offer:

  • Expert repair, replacement, and maintenance for all furnace brands
  • Full house inspection for safety and diagnosis
  •  Leakages and poor air quality detection and repairs
  • Periodic filter cleaning and repair
  • Same-day services with full warranty
  • Equipment/unit installation and replacement

Choose a trusted HVAC contractor that makes furnace installation a seamless and stress-free process. Great news! Constant Home Comfort London (CHCL) offers phenomenal services at a price that you’ll absolutely love. Call us at (226) 240-3219 today to boost your comfort and savings!

New Furnace Installation

Thinking of upgrading your old furnace unit? You can save thousands of dollars by upgrading to a high-efficiency system. Constant Home Comfort London works with some of the top-level manufacturers in the industry; Lennox, Keeprite and American Standard. 

In recent times, an average furnace is 80% energy efficient, but that number can go as high as 98%! You can expect up to 15% of savings each month!

With our ongoing promotion, you can have your furnace maintained for a low cost of only $9.99+HST reduced from the original $16.99 +HST. Nonetheless, if you purchase a new furnace and sign up with us immediately, you may qualify for our early bird discount for only $8.99+HST*.

Affordable AC Repair and Installation Services

Is your air conditioner failing to cool your home, keeping you and your family uncomfortable during the sweltering summer months? It’s time to turn to the trusted, reliable and qualified HVAC technicians at Constant Home Comfort London (CHCL). 

We are a recognized HVAC contractor in London with several years of experience in maintaining, repairing and installing AC units. We provide attractive rebates when you replace your old system with a high-efficiency unit. 

Great news! We also have 0% financing plans for all homeowners who qualify!

Looking to purchase a new air conditioner? Constant Home Comfort London (CHCL) can help! You can take advantage of our attractive rebates, incentives and more offered by the Government and utility companies in Ontario when you shop through us. 

Here are the types of AC systems we store;

  • Window units
  • Split systems
  • Central systems
  • Portable units
  • Ductless systems

When it comes to deciding the type of your cooling system, the size of your house is an important parameter. British Thermal Units (BTUs) is the measurement of how much heat an air conditioning unit can remove from a home in one hour. The bigger the size of your home, the more cooling power is required. 

Do you require emergency AC repair services in the London area? Constant Home Comfort London is available to make same-day house calls at an affordable fee. We work with the top suppliers in the industry; Lennox, Keeprite, Armstrong Air, Goodman and more!

Let us help you SAVE BIG – Call (226) 240-3219

Indulge in EXCLUSIVE REBATES With Constant Home Comfort London (CHCL)

Constant Home Comfort London (CHCL) is offering homeowners with several grants and rebates allotted by the Government and utility companies in Ontario for a limited period!

HURRY UP! Based on your residential address, you may qualify for some of these amazing rebate opportunities. Contact us to discover more: (226) 240-3219

Here’s how it happens! We will take care of the following:

  • We’ll arrange an on-site assessment to determine the cost- and energy-saving options
  • Suggest ways to expand both your comfort and savings
  • Reveal which rebates you can avail
  • Install your brand-new energy-efficient heating or cooling system
  • Help you to scrap the old unit
  • Manage all the paperwork for your rebate application
  • Dispense professional and committed post-installation services

Constant Home Comfort London (CHCL) is a member supplier through the Heating & Cooling Incentive Program (OPA). This incentive is for residents in Ontario who have bought and installed the allotted central heating or cooling equipment.

Receive a quality system and save some extra bucks on your energy expenses with Constant Home Comfort London. Our high-efficiency heating and cooling systems provide tons of rebates and deals! Sit back and enjoy your new unit while we take care of the rest.

Special rebates on your next Furnace and AC are now available.

GET IT NOW! Homeowners in the past were able to secure as much as $4,250 with our rebate programs! Be the next lucky homeowner. Call us today at (226) 240-3219 

So many great rebates and discounts right at your fingertips! It has never been a better time to invest in a new AC. Let us help you SAVE HUGE – contact us today at (226) 240-3219


Water Heater Repairs and Installation 

Our certified HVAC technicians offer professional care on any water heater make and model. We respond to your calls quickly and help get the unit up and running in as little time as possible. Constant Home Comfort London (CHCL) is available 24/7 for service calls. We acknowledge your calls asap and help you get the unit up and running in no time. Constant Home Comfort London is accessible 24/7 for service calls. We also cater on-site maintenance, new water heaters from well-known brands like Lennox, Keeprite and Honeywell, and get rid of the old unit. 

We offer:

  • Tankless
  • Power Vents
  • Conventional Tanks

We offer rental water heaters in the London and surrounding areas as well. Constant Home Comfort London is committed to offering the best rental rates in the market, steady and reliable services and top-level customer care.

Looking for a convenient and affordable water heater repairs? Contact us today at (226) 240-3219

Indoor Air Quality (IAQ) Systems

An air handler or an air handling unit (AHU) is an extra system in your home to supplement other appliances. These smart devices are built to assist the flow of the air treated by a humidifier, furnace, or air conditioner. 

Air handlers advance the IAQ  in your home. They are energy-efficient and ensure that the unit they support doesn’t have to perform as hard to provide and distribute conditioned air.

At Constant Home Comfort London (CHCL), we stock top-quality:

  • Humidifiers
  • Ventilators
  • Thermostats

Our trained and expert HVAC technicians take service calls on an emergency basis – no matter where you reside in London, we’ll be there!

Call us at (226) 240-3219 to book an appointment and get a great repair quote!

Trusted Attic and Basement Insulation Services

Are the upper bedrooms in your home freezing in the winter months? Nothing but the lack of heat increases hot and cold spots and changing temperatures you experience at home. Unfortunately, this is due to the inefficiency of proper insulation and sealing in your attic. 

The more energy your home loses, the more you spend for the heating systems in the long run. Certainly, by upgrading your home’s heating systems with Constant Home Comfort London, you can cut down on your energy consumption and SAVE BIG!

With the Home Energy Conservation (HEC) energy upgrade along with one other energy upgrades provided by Enbridge, you receive 15% in fuel savings and qualify for exclusive rebates and incentives for saving energy.

You must approach a licensed and veteran firm like Constant Home Comfort London to ensure that the insulation is done correctly. Improper insulation could lead to dampness, mold, and mildew.

It is very important to come to a licensed and experienced firm like Constant Home Comfort London (CHCL) to make sure that the insulation is done correctly. Poor insulation could lead to dampness, mold, and mildew.

Attention homeowners, you may make it to AMAZING attic insulation rebates in London. Call us today at (226) 240-3219 and we’ll take care of your rebate application from start to finish! 

Questions? Let Us Help. 

There are plenty of furnace brands to choose from. But, how do they compare? What features do the different models showcase? What features are the most important ones?

Call us: (226) 240-3219

Visit us: London City Centre, 380 Wellington Street, Tower B, 6th Floor, London, Ontario, N6A 5B5, Canada

Email us:

Call Now! (226) 240-3219

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