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Ohio winters don’t hold back, and your home’s heating system shouldn’t either.
Since 1962, Dor-Mar Heating, Air Conditioning & Plumbing has been the neighborhood name Central Ohio families rely on to keep the chill at bay. From unexpected furnace breakdowns in Gahanna to heat pump trouble across Greater Columbus, our certified technicians are on standby to deliver fast, same-day repair and service to restore your comfort.
Key Takeaways
- Heating repair fixes a specific breakdown or malfunction; heating service is routine preventive maintenance scheduled proactively to catch problems before they grow.
- Clogged air filters, worn ignitors, and aging components are the most common causes of heating system failures our technicians address each season.
- Furnace inspections include a 21-point efficiency check and safety tests that help identify issues before they escalate into major repairs.
- Routine maintenance extends the life of HVAC systems, improves energy efficiency, and reduces repair costs over time.
- Homeowners in Franklin County, OH can schedule heating repair online or by phone, request a free estimate for replacement, or join our Home Comfort Membership for priority service.
Reliable Furnace Repair & Heating Repair When You Need It Most
Heating repair is performed as needed when issues arise, and it is necessary when a system fails to operate safely. Our licensed technicians serve residential and light commercial customers across Central Ohio (Gahanna, Columbus, Westerville, Newark), providing same-day repairs and 24/7 emergency support during the heating season, so you can trust a dependable response from qualified professionals.
Emergency furnace repair services are available 24/7, and our technicians can respond to emergency heating calls any time of day. Emergency furnace repair can restore heating during cold nights, and licensed technicians perform emergency heating repairs quickly. Each truck arrives stocked with common parts, so most furnace repair jobs are completed in a single visit. We diagnose all major brands of gas furnaces, electric furnaces, air handlers, and heat pumps, whether they are part of a split HVAC system or a packaged rooftop unit.
- Same-day and after-hours response during heating season
- Licensed, background-checked technicians with parts on the truck
- Clear pricing communicated before work begins
- Service for both Central Ohio and Southwest Florida homes
Schedule Heating Repair Today: click to contact us online or call our office.
Common Heating Problems We Repair
Many heating issues start as minor symptoms, like uneven room temperatures, short cycling, or a faint burning smell. Without prompt attention, these grow into full breakdowns. Frequent cycling of a heating system indicates a need for repair. Symptoms of needing heating repair include strange noises or no heat. Unusual odors from the system require urgent heating repair.
Our technicians routinely diagnose and fix problems including:
- No heat or low heat from vents
- Failed ignitors or dirty flame sensors (ignitor replacement typically runs $150 to $400)
- Cracked heat exchanger, which poses a carbon monoxide risk
- Failing blower motors or capacitors ($300 to $2,500+ depending on the type)
- Malfunctioning limit switches and control boards
- Clogged air filters, blocked return grills, or dirty blower assemblies causing overheating and shutdowns
- Thermostat miscalibration, dead batteries, or loose low-voltage wiring
For homes in Southwest Florida, we solve heat pump problems like a unit stuck in cooling mode, defrost cycle failures, or outdoor unit icing during rare cold snaps. While Goodman systems are widely installed HVAC brands in Texas, we service all major manufacturers in our Ohio and Florida markets. If you notice any of these symptoms, schedule a diagnostic visit before a small matter becomes a costly one.
Professional Furnace Inspection & Seasonal Heating Service
Furnaces typically need professional maintenance annually, ideally in fall. A 21-point efficiency furnace inspection is recommended annually to keep your system running safely and catch wear before it causes failures. Heating service typically includes safety checks, calibration, and ongoing care that helps the system run safely and last longer, and a standard heating service visit includes cleaning and system inspection. Furnace inspections help identify issues before they escalate into major repairs, and heating service can identify potential issues before they become major problems.
Our furnace inspection checklist covers:
- Safety checks: Testing gas connections, examining the heat exchanger for cracks, inspecting the flue, verifying carbon monoxide levels
- Cleaning: Replacing or cleaning air filters, vacuuming burners and combustion chambers, inspecting blower assemblies and belts
- Efficiency tuning: Verifying thermostat operation, testing temperature rise, confirming proper cycling per manufacturer specs, measuring motor amperage
- Documentation: Written report summarizing findings, safety risks, and cost estimates for any needed repair or replacement
How Heating Maintenance Protects Your HVAC System
Your furnace or heat pump is one part of the overall HVAC system. Heating service helps prevent unexpected breakdowns by keeping every component working together. Heating service is scheduled proactively; the rule of thumb is to schedule service when systems operate normally, not after they fail.
- Air filters: Replace every one to three months. Clogged filters restrict airflow, stress blower motors, and can crack a heat exchanger over time. Homes with pets or allergies may need monthly changes.
- Equipment lifespan: Furnace maintenance can extend the lifespan of the unit from a median of about 17.7 years to 20 years or more. Heat pumps in Florida typically last 10 to 15 years; routine maintenance pushes them toward the upper end.
- Energy bills: Heating service aims to lower monthly energy bills. Routine maintenance improves energy efficiency and reduces repair costs. According to ENERGY STAR, sealing and insulating alongside maintenance can reduce heating and cooling costs by about 15%.
- Warranties: Annual maintenance can keep manufacturer warranties valid.
- Air ducts: Air duct cleaning should be scheduled every three to five years to remove debris and maintain indoor air quality.
Regular furnace tune-ups prepare homes for seasonal weather changes. Our Home Comfort Membership bundles routine heating and air conditioning system inspections with priority scheduling and repair discounts, making maintenance easy to budget.
Repair, Replacement, or Upgrade: What’s Right for Your Home?
When a furnace or heat pump fails during a cold snap, homeowners need a straightforward answer: repair or replace? On every major furnace repair call, our technicians review these factors and recommend whether it makes more sense to repair, replace, or upgrade:
- Age: Gas furnaces over 15 to 20 years old are approaching the end of their useful life. If the clock has passed that range, a new unit often costs less over time than repeated repairs.
- Repair cost vs. replacement cost: If repair costs exceed roughly 50% of a new high-efficiency furnace installation ($4,000 to $8,000 in Central Ohio), replacement is usually the better investment.
- Safety: A cracked heat exchanger is not a repair you delay. We provide a free estimate for replacement options alongside the repair quote.
- Energy efficiency: A 96% AFUE furnace converts 96 cents of every fuel dollar into heat compared to perhaps 80 cents in an older unit, saving money each month.
We offer energy-efficient furnaces, heat pumps, and hybrid HVAC systems. Financing options can help homeowners spread the cost of a new unit while benefiting from lower operating costs and a new warranty. Read more about whether to upgrade to a high-efficiency unit.
Why Homeowners Choose Dor-Mar for Heating Service
Dor-Mar has been family-operated since 1962. We take pride in knowledgeable technicians, honest pricing, and work that serves our neighbors in Central Ohio and Southwest Florida.
- Licensed and insured technicians trained on modern HVAC systems and local building codes
- Upfront, written estimates before any work begins
- Plain-language explanations after every furnace inspection; no pressure to replace when repair is the right call
- One company for heating, cooling, plumbing, electrical, water treatment, indoor air quality, and appliance repair
- Phone and online booking with arrival-window communication that respects your time
You can count on quality work and a team you can trust to treat your house like our own.
When to Call for Heating Repair vs. DIY Checks
Some checks are safe for homeowners. Most furnace repair and deeper HVAC system work should be left to a licensed professional for safety and warranty rights.
Safe for homeowners:
- Verify the thermostat is set to “Heat” and not “Off”
- Confirm the furnace switch and circuit breaker are on
- Check that the furnace door is properly closed
- Inspect or replace easily accessible air filters
Call Dor-Mar immediately if you notice:
- Gas odor or burning smell
- Loud banging, screeching, or clicking noises
- Repeated short cycling or no heat at all
- Visible flame irregularities (yellow or rolling flames instead of steady blue)
Leave gas-related work, internal electrical repairs, blower or heat exchanger access, and combustion adjustments to trained technicians. The risk of fire, electrical shock, or carbon monoxide exposure is too high for DIY attempts.
FAQ: Heating Repair & Heating Service
How often should I schedule a professional furnace inspection?
Most gas and electric furnaces should receive a professional furnace inspection and tune once a year, ideally in early fall before regular heating use begins. Older furnaces (over 10 to 12 years), homes with pets, or houses with allergy concerns may benefit from mid-season filter checks. If energy bills rise without changes in usage, schedule heating service to find the cause.
What are early warning signs that my heating system needs repair?
Rooms not reaching the set temperature, rising utility bills, unusual noises, frequent cycling, cold air from vents, or persistent burning smells all signal a problem. Schedule a furnace service visit as soon as you notice these changes instead of waiting for a complete failure on a cold night.
How do dirty air filters affect my furnace or heat pump?
Clogged air filters restrict airflow, causing the furnace or heat pump to run longer, overheat, or shut down on safety limits. Over time, this damages motors and other parts. Check filters monthly and replace them at least every one to three months; more often if you see visible debris buildup.
Can you service both my heating and air conditioning system during one visit?
Dor-Mar often combines heating and cooling maintenance into a single visit, especially for Home Comfort Membership customers. This approach reduces total cost and helps ensure the entire HVAC system is ready for seasonal temperature changes.
Do you offer emergency heating repair during nights and weekends?
Emergency heating services are available 24/7 for urgent repairs. Homeowners can call our office or request urgent service online, and we dispatch the next available technician to restore peace of mind and warmth as quickly as possible.
