Permitted & Code-Compliant
Every install is 100% code-compliant and permitted. No shortcuts that turn into a failed inspection — or a denied insurance claim — years later.
Furnace Repair
Texas Furnaces Sit Idle, Then Get Asked for Everything at Once
A Hill Country furnace might run a few dozen times a year. Then a front comes through, the temperature drops thirty degrees overnight, and the whole region asks its heating systems to work hard for the first time in eight months. That is when the failures surface — all at once, on the coldest night.
Every furnace call we run includes a combustion and carbon monoxide check, whether or not that is what you called about. A cracked heat exchanger does not announce itself, and it is not something to find out about the hard way.
- Licensed Texas HVAC TACLA108651E — permitted, code-compliant work.
- Local since 1986 Nearly four decades on Hill Country systems.
- Backed in writing If it is not right, we come back and make it right.
What to Watch For
Signs Your Furnace Needs Attention
Some of these are comfort issues. Two of them are safety issues.
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No heat, or air that never gets warm
Ignition, gas supply or control failure — usually diagnosable in one visit.
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A yellow or flickering burner flame
Should be crisp blue. Yellow means incomplete combustion. Call before running it again.
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The CO alarm has sounded
Leave the house and call from outside. This is not a comfort call.
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Short cycling
On and off repeatedly — often a limit switch reacting to airflow, which is worth fixing properly.
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Booming or rumbling on start-up
Delayed ignition. It stresses the heat exchanger every time it happens.
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A burning smell that does not clear
First run of the season is normal. Persistent is not.
What We Do
What We Repair
Gas, electric and hybrid systems — with safety checked every visit.
- Ignition and burners Igniters, flame sensors, gas valves and burner assemblies.
- Heat exchanger inspection Checked for cracks on every visit — the failure that matters most.
- Controls and boards Limit switches, pressure switches, control boards and thermostats.
- Blowers and airflow The same indoor components your AC depends on.
- Venting and draft Flue and draft problems that create a genuine CO risk.
How It Works
What a Furnace Repair Call Looks Like
No mystery, no pressure. You know the price before we pick up a tool.
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You Call, We Schedule
Tell us what the system is doing. We book the soonest window that works for you — including nights and weekends, with no after-hours surcharge.
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We Diagnose the Real Cause
A licensed technician tests the system rather than guessing from the symptom, so you are not paying to replace parts that were never the problem.
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You Approve the Price First
We explain what failed, what it takes to fix it, and what it costs. Nothing gets done until you say go.
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We Repair and Verify
Most repairs are finished on the first visit from parts already on the truck. We test the system before we leave and back the work in writing.
Why Choose 72 Degrees
Fully Stocked Trucks
Our trucks carry the parts the Hill Country actually needs, so most repairs are finished on the first visit instead of waiting on a return trip.
Fair, Upfront Pricing
You approve the price before we start. No surprises on the invoice, and no overtime premium for nights or weekends.
Written Guarantees
Our work is backed in writing. If something is not right, we come back and make it right.
Available 24/7
A 100-degree August afternoon and a February hard freeze do not keep business hours. Neither do we.
The Wizards of Comfort
Serving Fredericksburg, Kerrville, Boerne and the surrounding Hill Country since 1986 — nearly four decades in the same communities.
Need Furnace Repair Today?
We answer 24/7 — nights, weekends and holidays, at no extra charge.
What Our Customers Say
Don't just take our word for it — hear from our satisfied customers
★★★★★
I call 72 Degrees for ALL my AC, HVAC, and plumbing needs, large and small. They provide reliable and friendly service, indeed!
Maintenance Membership
Join the Care Club
Total home comfort care, on a schedule.
Members get priority scheduling, seasonal HVAC tune-ups, an annual whole-home plumbing safety inspection, and exclusive discounts — for less than the cost of a single emergency call.
- Priority scheduling
- Seasonal HVAC tune-ups
- Annual safety inspection
- Exclusive member discounts
- Free dispatch on repairs
- No long-term contracts
Furnace Repair — Common Questions
How Can I Troubleshoot My Furnace Before Calling for Professional Repair?
Simple Furnace Checks You Can Do Before Scheduling Service
Some furnace issues can be traced to simple, easy-to-miss causes. Start by confirming the thermostat is set to “heat” and the temperature is set higher than the current room temperature. A clogged or dirty air filter can restrict airflow and cause the furnace to shut down, so replacing the filter is an important step. It’s also a good idea to check that the furnace power switch is on and that no circuit breakers have tripped. For homeowners in Fredericksburg and across the Texas Hill Country, these basic checks can sometimes restore heat quickly. If the furnace still isn’t working or continues to shut off after troubleshooting, the issue may involve internal components that require professional diagnosis. Prompt service helps ensure the system is repaired safely and prevents further damage or loss of heat.
What Are the Signs That My Furnace Needs Repair or Service?
Warning Signs That Your Furnace Needs Professional Attention
Furnaces often show clear warning signs when something isn’t working properly. Unusual noises like rattling, banging, or squealing can indicate loose or worn components. Uneven heating—such as some rooms staying cold while others are warm—may point to airflow issues, dirty components, or mechanical problems. A sudden increase in energy bills is another red flag that your furnace is working harder than it should. For homeowners in Fredericksburg and across the Texas Hill Country, frequent cycling on and off is also a sign that service may be needed. This behavior can stem from thermostat issues, airflow restrictions, or internal wear. Addressing these symptoms early with professional diagnostics helps restore efficiency, prevent further damage, and keep your home comfortable and energy-efficient.
What Factors Should I Consider When Choosing a Furnace Repair Service?
What Sets a Reliable Furnace Repair Company Apart
Not all furnace repair services offer the same level of expertise or transparency. A trustworthy company should employ certified, experienced technicians who can accurately diagnose problems and explain repair options clearly. Transparent pricing is also important, so you understand the scope of work and costs before repairs begin. For homeowners in Fredericksburg and across the Texas Hill Country, local experience matters. Heating systems in the region face unique demands, and a service provider familiar with local conditions is better equipped to recommend lasting solutions. Choosing a company with a strong reputation for quality workmanship and customer satisfaction helps ensure your furnace is repaired correctly, safely, and with your long-term comfort in mind.
What are the signs that my heat pump needs repair or replacement?
Signs include unusual noises, reduced efficiency, inconsistent temperatures, or higher energy bills. If you notice these, contact 72 Degrees Texas for a thorough inspection. Our skilled technicians provide reliable heat pump repair and replacement services to restore your home’s comfort.
Can 72 Degrees Texas Help Me Decide Whether to Repair or Replace My Old Furnace?
How to Know When Furnace Repair or Replacement Makes Sense
Deciding whether to repair or replace a furnace depends on several factors, including the system’s age, overall condition, efficiency, and the cost of ongoing repairs. Older furnaces that require frequent fixes or struggle to heat your home evenly may be costing more to operate than they’re worth. In other cases, a targeted repair may restore reliable performance without the need for a full replacement. For homeowners in Fredericksburg and across the Texas Hill Country, a professional evaluation helps clarify the best path forward. Experienced technicians inspect key components, review energy efficiency, and explain how each option affects comfort and long-term costs. Clear, honest recommendations allow you to make an informed decision that balances immediate needs with future reliability and efficiency.
*Offers cannot be combined with other promotions or applied to dispatch fees. No cash value. Must present offer at time of service. Call for details.
