Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Thornhill, ON
Founded in 1969 by Dave Langford, a graduate of Queen's University and York University, Design Air ClimateCare has built a legacy of engineering excellence in residential HVAC solutions. Over 55 years, the company pioneered industry-first practices, including a 21-point efficiency startup procedure and patented dehumidification systems developed by current President Wayne Langford. Our partnership with the National Comfort Institute ensures performance-based installations executed by factory-trained technicians. With a commitment to environmental stewardship, we implement green initiatives like GPS fleet monitoring, energy-efficient lighting, and 100% recycling of old equipment.Our team undergoes rigorous training from manufacturers and industry leaders, ensuring technical proficiency and adherence to safety standards. We maintain transparency through documented processes and prioritize client education about system operation and maintenance. Our pricing reflects the value of quality installations using premium materials, backed by satisfaction guarantees and comprehensive warranties.
Services
Heating
Cooling
Air Quality
Water Heaters
Geothermal
Fireplaces
Maintenance Plans
Installations
Emergency Service
Ductless Systems
Details
- Year established: 1969
Highlights and features
- We offer 55+ years of engineering expertise in HVAC systems
- Our team holds factory certifications from major equipment manufacturers
- We implement patented dehumidification technology developed in-house
- We maintain 24/7 emergency service availability year-round
- Our environmental initiatives exceed industry sustainability standards
Services
Heating
We provide comprehensive heating solutions including furnace repair, boiler services, and heat pump installations. Our technicians ensure optimal system performance through regular maintenance and modernization. Clients benefit from improved energy efficiency, reduced utility costs, and enhanced indoor comfort during colder months.
Cooling
Our cooling services cover AC repair, installation, and maintenance for residential and commercial properties. We address issues ranging from minor repairs to complete system replacements. Clients receive energy-efficient solutions that maintain comfortable indoor temperatures while minimizing operating costs.
Air Quality
We offer air quality assessments and solutions including humidifier installation, HEPA filtration systems, and dehumidification technology. Our services address allergens, pollutants, and humidity imbalances. Clients experience healthier indoor environments with reduced respiratory irritants and improved overall comfort.
Maintenance Plans
Our WeCare maintenance programs include seasonal system inspections, cleaning, and priority emergency service. Regular maintenance extends equipment lifespan and prevents unexpected breakdowns. Clients receive detailed system evaluations and documentation of all service activities performed.
Geothermal
We design and install geothermal heating and cooling systems that utilize ground-source energy. Our solutions include system conversions and new installations. Clients benefit from significant energy savings, reduced environmental impact, and eligibility for government rebates on qualifying systems.
People
Dave Langford
Founder
Graduated from Queen's University with an engineering degree and York University with an MBA. Founded Design Air in 1969 to apply engineering principles to residential HVAC systems.
Wayne Langford
President
Joined the company in 1971 after engineering studies at University of Waterloo. Developed patented dehumidification systems and maintains Carrier certifications. Leads the company's commitment to technical excellence.
Questions
How often should I schedule furnace maintenance?
Annual maintenance is recommended to ensure optimal performance and extend equipment lifespan.
Do you service all HVAC brands?
Yes, we work with all major brands including Carrier, Lennox, Trane, and Mitsubishi.
What's included in your maintenance plans?
Our WeCare plans include system inspections, cleaning, and priority emergency service.
Can you install geothermal heating systems?
Yes, we specialize in geothermal system design and installation for residential properties.
Are financing options available?
Yes, we offer financing programs for equipment upgrades and major system replacements.
Do you provide 24-hour emergency service?
Yes, our technicians are available 24/7 for urgent HVAC repairs.