About Our Heating, Cooling, and Electrical Services

We’ve been serving Kemptville, Williamsburg, Cornwall and Eastern Ontario Since 1949.

We at ATEL Air are dedicated to your indoor comfort all year long: from designing and installing your new comfort system to servicing your older equipment.

ATEL Air is Eastern Ontario’s most trusted name in home comfort; 2ND generation family owned and operated, you can trust ATEL Air. We guarantee it with our 100% satisfaction guarantee. Read our customer reviews.


  • High Efficiency Products: ATEL Air installs environment friendly, high efficient equipment with state of the art technology.
  • Reliable products from ATEL Air: So efficient, we put our name on it.
  • Reliable Maintenance: ATEL Air offers a regular maintenance contract with every installation to ensure continued efficiency of your system.
  • Effective Problem Solving Through Inspection: ATEL Air technicians save you money by applying advanced diagnostics to quickly spot problems and ensure continued efficient operation of your equipment after the service call is completed.
  • Up Front Pricing: ATEL Air technicians will provide you with a detailed repair pricing before starting any repairs. This way you will know the total cost of the work before we start.
  • 1-year Warranty Covering all Service Work and Repairs: ATEL Air technicians receive weekly training for most equipment we service and work on. ATEL Air buys all repair parts directly from the various manufacturers. Therefore we include a 1-year warranty on all repairs and service work. One more reason to trust ATEL Air.
  • 14 Day Upgrade for all Repairs to Replacement Equipment: Sometimes the fastest relief is to fix an old unit- not always the wisest decision. At ATEL Air we offer a 14 day upgrade to replace the equipment we just repaired. When we fix your equipment and you decide to replace it within 14 days we will credit those repair costs directly to the cost of the new equipment- giving you time to make the right decision and save your hard earned money.
    * Some repairs do not qualify, please call for details.
  • Whisper Quiet Guarantee: Shhhhhh. Your heating and cooling equipment should be whisper quiet. We can make that happen. Ask us how and you will most likely find your heating and cooling equipment runs more efficiency at the same time. Ahhhhhh quiet and affordable…only with ATEL Air’s Whisper Quiet Guarantee.