
ABOUT OUR COMPANY
Welcome to THERMA Construction, your trusted partner in HVAC and construction solutions.
We proudly serve residential and commercial clients across Sarnia Lambton, Middlesex, London, Elgin, St. Thomas, Chatham-Kent, and Windsor Essex. With over 35 years of combined experience, we are passionate about delivering dependable service, innovative solutions, and products that stand the test of time.
From HVAC installation and repair to construction projects, natural gas lighting, and mobile food service equipment compliance, our expertise covers a wide range of services. We pride ourselves on building lasting relationships with our clients, offering practical solutions, and providing financing options to make your projects affordable and stress-free.

WHY CHOOSE US?
Let us help you bring comfort, efficiency, and style to your space!
EXPERIENCED PROFESSIONALS
Over 35 years of combined industry expertise.
DEPENDABLE SERVICE
We go the extra mile to ensure your satisfaction.
AFFORDABLE SOLUTIONS
Access to financing options and customized rebate programs.
LOCAL SUPPORT
Personalized, one-on-one communication with a focus on your needs.
OUR PARTNERS
We Partner with Leading Suppliers for Top Quality!



COMFORT OWL
Easy Monthly Payments with Leasing & Financing
Get the upgrade you want without the upfront costs with leasing and financing options from Comfort Owl. Our transparent, affordable payment solutions offer clear terms and a simple and straightforward application process. Comfort Owl is a trusted partner, providing honest leasing and financing options with no hidden surprises or fees.
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$0 upfront cost, just easy monthly payments.
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One simple credit approval for lease and/or loan.
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Reasonable 10-year leasing terms with included breakdown protection and a $1 buyout at the end of the term.
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Transferable to the next homeowner if you move.
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Open loans with no payment penalties.
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Optional maintenance plans available for leases.






