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 Maintenance
The Safety Check Is the Point
A furnace tune-up is often sold on efficiency, and it does help there. But the reason to actually do it is the heat exchanger and the combustion test. A cracked exchanger can put carbon monoxide into the air you breathe, and there is no symptom you would recognise until people start feeling unwell.
Because our furnaces sit unused for eight months, autumn is exactly when to look — dust, rodents and corrosion all get a long undisturbed run at the equipment before you need it.
- 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
Book a Tune-Up If
Any one of these is reason enough.
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It has been over a year
Annual service is what most manufacturer warranties require.
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You have not run the heat since spring
Eight idle months is plenty of time for things to change.
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You just moved in
You have no history on the equipment. Start with a baseline.
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Noises last season you meant to look into
Now, while it is a scheduled visit rather than an emergency.
What We Do
What Is Checked
Recorded readings, so next year we can see what changed.
- Heat exchanger inspection Visual and, where indicated, combustion analysis.
- Burner and ignition service Cleaned, tested and adjusted.
- Gas pressure and combustion Measured against manufacturer spec.
- Venting and draft Confirming exhaust goes where it should.
- Blower and filter The airflow half of the system, which your AC shares.
- Written report Findings, actions, and anything beginning to wear.
How It Works
What Is Included in a Furnace Maintenance Visit
Maintenance is only worth it if it actually catches things. Here is what we check.
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Full System Inspection
We test operation end to end and record the readings, so next year we can see what changed rather than starting over.
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Clean and Adjust
Coils, drains, filters, burners and connections get cleaned and adjusted. Most efficiency loss is buildup, not age.
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Flag What Is Wearing
You get told what is starting to fail and roughly how long it has, so a repair happens on your schedule instead of on the hottest afternoon of the year.
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Written Report
You get the findings in writing, including anything we recommend and anything we do not. No surprise add-ons.
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.
Schedule Your Furnace Maintenance
Care Club members get priority scheduling and no dispatch fee.
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 Maintenance — Common Questions
Can I Do Any Furnace Maintenance Myself?
What Furnace Maintenance Homeowners Can Safely Handle
There are a few simple tasks homeowners can do to help keep a furnace running smoothly. Replacing the air filter regularly improves airflow and reduces strain on the system. Keeping the area around the furnace clean and free of stored items helps maintain proper airflow and reduces fire hazards. Checking thermostat settings ensures the system is operating as expected and responding correctly to temperature changes. For homeowners in Fredericksburg and across the Texas Hill Country, more detailed maintenance—such as inspecting internal components, cleaning burners, and checking safety controls—should be handled by trained professionals. Professional service ensures the furnace operates efficiently, safely, and reliably, especially during the heating season. Combining basic homeowner care with professional maintenance provides the best protection for long-term comfort and system performance.
Does a Furnace Tune-Up Service Help Improve Energy Efficiency and Reduce Utility Bills?
How Furnace Tune-Ups Support Efficiency and Long-Term Savings
Over time, dust buildup, worn components, and minor mechanical issues can cause a furnace to work harder than necessary. A professional furnace tune-up addresses these problems by cleaning internal parts, checking airflow, lubricating moving components, and verifying that the system is operating within proper specifications. When a furnace runs efficiently, it uses less energy to heat your home. For homeowners in Fredericksburg and across the Texas Hill Country, improved efficiency often translates into more consistent temperatures and lower monthly heating costs. Regular tune-ups also help prevent small issues from turning into major repairs, reducing unexpected expenses and extending the life of the system. Ongoing maintenance keeps your furnace performing reliably while supporting long-term comfort and cost control.
How Can I Tell If My Furnace Needs Maintenance or Repairs?
Warning Signs Your Furnace Needs Professional Attention
Furnaces often show early signs when something isn’t working as it should. Unusual noises like banging, rattling, or squealing can indicate worn or loose components. Inconsistent heating—such as cold spots in your home or rooms that never seem to warm up—may point to airflow issues, dirty components, or mechanical wear. A sudden increase in energy bills is another common red flag that the system is working harder than necessary. For homeowners in Fredericksburg and across the Texas Hill Country, frequent cycling is especially important to watch for. When a furnace turns on and off repeatedly, it can signal thermostat problems, airflow restrictions, or internal issues that need attention. Addressing these symptoms early through professional inspection helps restore reliable heat, improve efficiency, and prevent small problems from becoming costly repairs.
How Often Should I Schedule Furnace Maintenance?
Why Annual Furnace Maintenance Matters
Annual furnace maintenance helps ensure your system is clean, safe, and operating efficiently before it’s needed most. During a professional service visit, key components are inspected, airflow is checked, and minor issues can be addressed before they turn into breakdowns. This proactive care reduces stress on the system and helps maintain consistent heating performance. For homeowners in Fredericksburg and across the Texas Hill Country, regular maintenance also supports lower energy bills and extends the lifespan of the furnace. Scheduling yearly service helps avoid unexpected repairs during cold weather and keeps your home comfortable and reliable throughout the heating season.
How Can I Tell If My Heating or Cooling System Needs Maintenance or Repair?
Common Warning Signs Your HVAC System Needs Attention
Heating and cooling systems often show early indicators when something isn’t working correctly. Unusual sounds like rattling, buzzing, or banging can point to loose or worn components. Inconsistent temperatures from room to room may signal airflow issues, dirty components, or failing parts. Reduced airflow from vents can mean clogged filters or duct-related problems. For homeowners in Fredericksburg and across the Texas Hill Country, rising energy bills are another important warning sign. When an HVAC system becomes inefficient, it has to work harder to maintain comfort. Addressing these issues early through professional maintenance or repair helps restore performance, prevent breakdowns, and keep your system running reliably and efficiently year-round.
*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.
