- HEP Heat and Air
- Gas Furnace

Gas Furnace
Gas Furnace | Heat Repair | Heating and Air Conditioning | Dunlap
When Dunlap nights turn crisp and your gas furnace sputters, HEP’s seasoned technicians arrive fast to restore your comfort. We blend small-town courtesy with cutting-edge diagnostic tools, pinpointing problems from worn igniters to leaky ductwork and fixing them on the spot. Because your safety matters, every visit includes a carbon-monoxide check, a full system calibration, and straightforward pricing before we lift a wrench.
Beyond urgent heat repair, we’re the neighbors you can count on for preventive maintenance and high-efficiency upgrades that lower utility bills all winter long. Backed by 24/7 live dispatch and a fleet stocked with genuine parts, HEP keeps Dunlap homes warm, healthy, and worry-free—no matter how low the temperature drops.
FAQs
What are the most common warning signs that my gas furnace needs professional repair?
Look for uneven temperatures between rooms, strange noises (rattling, banging, or squealing), persistent odors of gas or burning dust, short cycling (frequent on-off), an unexplained rise in utility bills, or the burner flame turning yellow instead of blue. Any of these can indicate issues such as a cracked heat exchanger, faulty ignition, or restricted airflow that should be addressed by a certified technician right away.
How quickly can you respond to a no-heat emergency in Dunlap?
We offer 24/7 emergency service to all Dunlap ZIP codes. Calls placed before 10 p.m. are usually answered within one hour, and after-hours calls are typically reached within two hours. Our fully stocked service vans allow most critical repairs—igniter replacements, blower motor swaps, or gas valve adjustments—to be completed on the first visit so you can restore heat the same day.
Do you service all brands and types of furnaces and HVAC equipment?
Yes. Our NATE-certified technicians are trained to diagnose and repair every major brand of gas furnace, heat pump, and central air system, including Carrier, Lennox, Trane, Rheem, Goodman, and Amana. We also work on hybrid dual-fuel systems and older units that may be out of warranty. If specialized parts are required, we can source them quickly through our local Dunlap suppliers.
What should I expect during a typical furnace repair appointment?
Upon arrival, the technician will perform a safety check for gas leaks and carbon monoxide. Next comes a full system diagnostic: inspecting the thermostat, flame sensor, igniter, blower, limit switch, condensate drain, and filter. You’ll receive a clear explanation of the problem, up-front pricing, and repair options. With your approval, most fixes—cleaning the flame sensor, replacing a worn capacitor, tightening electrical connections—are completed on the spot. Before leaving, we test for proper operation, verify airflow, and tidy the work area.
How can I prevent future heating breakdowns and prolong my furnace’s life?
Schedule professional maintenance each fall. A tune-up includes cleaning the burners, calibrating the thermostat, checking safety controls, lubricating moving parts, testing for carbon monoxide, and replacing the filter. Keep supply and return vents unobstructed, change filters every 1–3 months, and install a programmable thermostat to reduce strain during off-peak hours. Consistent maintenance can cut unexpected repairs by up to 40 % and add five or more years to equipment life.
Are there energy-efficiency rebates or incentives available for Dunlap homeowners who upgrade an old furnace?
Yes. Illinois residents (and local utility customers) may qualify for rebates of $200–$600 when replacing a standard furnace with a 95 %+ AFUE high-efficiency model. Federal tax credits of up to $600 are also available for qualifying gas furnaces installed through 2032. Our comfort advisors provide free estimates, explain the paperwork, and submit rebate applications on your behalf to maximize your savings.