ABOUT US
Your Local HVAC & Construction Pros
At THERMA Construction, we are more than just a business; we are a family committed to serving our community. Founded by Jennifer Mullins and Ryan Groot, our company combines over 35 years of experience in HVAC and construction to provide reliable and customer-focused solutions.
CUSTOMER-CENTRIC APPROACH
We build lasting relationships through clear communication, personalized service, and practical solutions.
DEPENDABILITY
Whether it’s installing new systems or maintaining the products we sell, we are here for you every step of the way.
FINANCING OPTIONS
We offer financing options, extended warranties, and customized rebate programs to make your projects more accessible.
Serving the communities of Sarnia Lambton, Middlesex, London, Elgin, St. Thomas, Chatham-Kent, and Windsor Essex, we’re here to bring your vision to life.
What Sets Us Apart?
OUR MISSION
Exceptional Services Tailored to Your Needs
Our mission is to deliver exceptional services that prioritize customer relationships, practical solutions, and environmental and social responsibility. We believe in creating affordable, high-quality solutions tailored to your needs.
Frequently Asked Questions
Yes, we accept all major credit and debit cards.
We serve Sarnia Lambton, Middlesex, London, Elgin, St. Thomas, Chatham-Kent, and Windsor Essex.
Yes, we sell and install Comfort Owl and EMCO HVAC products as well as Honeywell Generators.
Yes, we offer financing for Comfort Owl products. As an approved dealer, we provide customized rebate programs and extended warranties to make your purchase more affordable.