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21 Years
experience
Emergency
services
Your Trusted HVAC Partner in Sunbury, OH
Complete Air Systems has been a trusted family-owned HVAC business serving Central Ohio since 2005. Our founder, Tom Martin, brings over 31 years of industry experience, including specialized training through the Ohio National Guard, to deliver reliable heating, cooling, and air quality solutions. Licensed and fully insured with an A+ BBB rating, we specialize in furnace and air conditioner installations, emergency repairs, and preventative maintenance. Our team prioritizes straightforward pricing, 24/7 emergency service, and personalized solutions for residential clients.

With deep local knowledge and a commitment to quality craftsmanship, we serve Sunbury, Galena, Westerville, New Albany, and surrounding communities. Our expertise spans gas and oil furnaces, heat pumps, air conditioners, water heaters, and indoor air quality systems. We offer free estimates, annual service agreements, and energy-efficient product recommendations to ensure year-round comfort. Customer satisfaction is guaranteed through transparent communication, timely service, and durable installations backed by our extensive technical knowledge.
Services
HVAC Installation Emergency Repairs Furnace Maintenance Air Conditioner Service Indoor Air Quality Thermostat Installation Water Heater Replacement Carbon Monoxide Detection Annual Maintenance Plans Energy Efficiency Upgrades
Details
  • Year established: 2005
Highlights and features
  • We offer upfront pricing with no hidden fees.
  • Our team provides 24/7 emergency service.
  • With over 31 years of experience, our experts deliver reliable HVAC solutions.
  • We install energy-efficient Concord brand heating and cooling systems.
  • Licensed, insured, and maintaining an A+ BBB rating since 2005.
Associations and certifications
  • Better Business Bureau
What people say
Great service Knowledgeable technicians Affordable prices Professional installation 24/7 availability
Services
HVAC Installation
We install energy-efficient heating and cooling systems including gas/oil furnaces, heat pumps, and air conditioners. Our technicians ensure proper sizing and configuration for optimal performance. Backed by manufacturer warranties and our 31 years of technical expertise.
Emergency Repairs
Available 24 hours daily for urgent HVAC failures. Our rapid response team diagnoses and fixes issues with furnaces, air conditioners, and heating systems. Prioritizing safety and restoring comfort quickly during extreme weather conditions.
Furnace Maintenance
Comprehensive annual inspections and adjustments for gas and oil furnaces. Includes cleaning components, checking safety controls, and optimizing efficiency. Prevents breakdowns and extends equipment lifespan through proactive care.
Indoor Air Quality
Installation of Aprilaire air purifiers and humidifiers to improve residential air quality. Solutions for removing allergens, controlling humidity, and reducing energy costs through balanced indoor climate management.
Thermostat Installation
Professional installation of Honeywell programmable and smart thermostats. Enhances system efficiency through precise temperature management. Supports WiFi connectivity for remote control and energy monitoring capabilities.
People
Tom Martin
Owner
HVAC industry veteran with 31 years of experience. Served in the Ohio National Guard gaining technical skills before founding Complete Air Systems in 2005. Graduated from Newark High School and built the company on principles of integrity and technical excellence.
Questions
What HVAC services do you offer?
We provide complete HVAC solutions including furnace and air conditioner installation, repair, and maintenance. Specializing in gas/oil furnaces, heat pumps, air conditioners, water heaters, and indoor air quality systems.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency HVAC repair services for urgent heating and cooling system failures in Central Ohio.
What areas do you service?
We serve Sunbury, Galena, Westerville, New Albany, and surrounding areas in Central Ohio.
Are your technicians licensed and insured?
Yes, we are fully licensed and insured HVAC contractors with an A+ BBB rating since 2005.
Do you offer maintenance plans?
We provide spring and fall annual maintenance agreements to ensure optimal system performance and longevity.
What brands do you work with?
We specialize in Concord heating and cooling systems, Aprilaire air quality products, and Honeywell thermostats.