- HEP Heat and Air
- Indoor Air Quality

Indoor Air Quality
Indoor Air Quality | Heat Repair | Heating and Air Conditioning | Greeneville
When Greeneville nights turn crisp and your furnace falters, HEP arrives ready to restore comfort fast. Our certified technicians diagnose issues with precision, from worn igniters to faulty thermostats, and carry the exact parts needed for swift heat repair. We respect your home as much as your time—arriving when promised, explaining every option plainly, and leaving your space spotless.
Beyond getting the burners roaring again, we look at the bigger picture: healthier indoor air. Each service call includes a complimentary check of filters, ductwork, and ventilation so your family breathes easier while energy bills stay low. Count on HEP for honest pricing, 24-hour emergency support, and workmanship backed by decades of experience keeping Greeneville warm.
FAQs
What signs indicate my furnace or heat pump needs repair?
Common warning signs include uneven room temperatures, frequent cycling on and off, unusual noises (bangs, squeals, or rattles), unexplained spikes in energy bills, a yellow or flickering burner flame, and musty or burning odors coming from the vents. If you notice any of these issues in your Greeneville home, it’s best to schedule a professional inspection before the problem escalates or the system stops working altogether.
How quickly can you respond to a heat repair emergency in Greeneville?
We offer 24/7 emergency service throughout Greeneville and the surrounding communities. In most cases, a certified technician can be on-site within a few hours—often the same day you call—equipped with the tools and common replacement parts needed to restore heat and comfort to your home as quickly as possible.
Are your technicians certified to handle all HVAC brands and models?
Yes. All of our heating and air conditioning technicians are NATE-certified, licensed, and insured. They undergo continuous training to stay current with the newest HVAC technologies from major manufacturers such as Trane, Lennox, Carrier, Rheem, Goodman, and others. Whether you have a gas furnace, electric heat pump, or ductless mini-split, we have the expertise to diagnose and repair it correctly.
What indoor air quality solutions do you offer alongside heat repair?
We provide a full suite of IAQ products and services, including whole-home air purifiers, HEPA filtration systems, UV germicidal lights, humidifiers and dehumidifiers, high-efficiency media filters, and duct cleaning and sealing. When we repair or service your heating system, we can evaluate your home’s air quality and recommend solutions to reduce allergens, dust, mold spores, and other airborne contaminants.
How can regular maintenance improve my system’s performance and indoor air quality?
Scheduled maintenance—ideally twice a year—includes cleaning or replacing filters, inspecting heat exchangers, tightening electrical connections, lubricating moving parts, and verifying airflow. This keeps your furnace or heat pump running at peak efficiency, lowers energy costs, extends equipment life, and ensures that the air moving through the system is clean and properly balanced for humidity. Many repairs can be prevented entirely with routine tune-ups.
Do you offer financing or special promotions for major heating repairs or system replacements?
Absolutely. We partner with reputable financing companies to provide low-interest and no-interest payment plans (with approved credit) for unexpected repairs or full system replacements. We also run seasonal promotions and manufacturer rebates that can significantly reduce out-of-pocket costs. Our team will explain all options up front so you can choose the plan that best fits your budget.