
Heating Service
Professional heating service from the team Northeast Indiana trusts. Serving Spencerville, Auburn, Garrett, and surrounding communities.
Northeast Indiana winters are serious. When temperatures drop below zero and wind chills make it feel even colder, your heating system is the most important piece of equipment in your home. At Graves Plumbing, Heating and A/C, we provide complete heating services to families throughout Spencerville, Auburn, Garrett, Butler, Waterloo, and the greater DeKalb, Allen, and Noble county areas. From new furnace installations to emergency repair at 2 AM on a January night, we are here to keep your home warm and your family safe.
Our heating services cover gas furnaces, electric furnaces, heat pumps, and dual-fuel systems. Whether you need a new high-efficiency furnace to replace aging equipment, a repair to get your current system back online, or a seasonal tune-up to prepare for winter, our licensed technicians have the skills and experience to handle it. We install GE Appliances Air and Water heating equipment as a GE Authorized Dealer, and we service all major brands regardless of who installed them.
A properly maintained furnace keeps your family safe and comfortable while operating at peak efficiency. Our fall heating tune-ups include a complete inspection of the heat exchanger for cracks — the most critical safety component in a gas furnace — along with burner cleaning, ignition testing, gas pressure measurement, safety control verification, blower motor lubrication, and thermostat calibration. We catch the small problems in October so you are not calling us for an emergency in February. Regular maintenance also protects your manufacturer warranty and keeps your system running within 5% of its original efficiency rating.

What We Offer
Furnace Installation & Replacement
We install high-efficiency gas and electric furnaces properly sized for your home. Our installations include load calculations, ductwork evaluation, and complete system commissioning.
Heat Pump Services
Heat pumps provide efficient heating and cooling in a single system. We install, repair, and maintain air-source heat pumps and dual-fuel systems for year-round comfort.
Furnace Repair
From ignition failures to blower motor problems, we diagnose and repair all furnace issues quickly and correctly. Same-day service available for most repairs.
Annual Heating Tune-Ups
Our comprehensive fall tune-up includes heat exchanger inspection, burner cleaning, safety testing, and efficiency optimization to prepare your system for winter.
Carbon Monoxide Safety Checks
Every heating service includes combustion analysis and CO testing to ensure your furnace is operating safely. A cracked heat exchanger can leak carbon monoxide — we check for this every time.
Why Choose Graves
Winter-Ready Expertise
We know what Indiana winters demand. Our technicians are trained and equipped to handle the most extreme cold weather conditions, ensuring your heating system performs when you need it most.
Safety First, Always
Gas furnaces involve combustion, carbon monoxide, and high-voltage electrical components. Safety is not just a priority — it is a non-negotiable part of every service call we perform.
Available When It Matters
Heating emergencies do not wait for business hours. Our 24/7 emergency service means you are never left in the cold. Call (260) 927-6910 any time, day or night.
Frequently Asked Questions
With regular maintenance, a gas furnace typically lasts 18-25 years. Without maintenance, expect 10-15 years. If your furnace is over 15 years old and requiring frequent repairs, it may be more cost-effective to replace it with a new high-efficiency model.
Leave the house immediately. Do not flip any light switches or use your phone inside the house. Once you are safely outside, call your gas company's emergency line and then call us at (260) 927-6910. A gas smell could indicate a leak in the gas line, a cracked heat exchanger, or a burner issue that requires immediate professional attention.
Common causes include a thermostat set to 'fan only' instead of 'auto,' a dirty air filter restricting airflow and causing the system to overheat and shut down, a failed igniter or flame sensor, or a malfunctioning gas valve. Check your thermostat setting and filter first. If those are fine, call us for a diagnostic visit.
Modern heat pumps work efficiently down to much lower temperatures than older models. A dual-fuel system that pairs a heat pump with a gas furnace can be an excellent choice — the heat pump handles mild weather efficiently, and the furnace takes over during extreme cold. We can evaluate whether a heat pump makes sense for your home and climate needs.
Ready to Get Started?
Contact Graves Plumbing, Heating and A/C today for a free estimate or to schedule service.
