Krugerville Aubrey Pilot Point North DFW
Furnace Maintenance
The Tune-Up That Prevents the Emergency Call
Annual Tune-Ups
Maintenance That Is Actually Maintenance
A lot of what gets sold as a furnace tune-up is a filter change, a quick look, and a sticker on the side of the cabinet. That is not an inspection. A real one takes measurements: gas pressure, temperature rise, static pressure, flame signal, and amp draw on the blower. Those numbers are how you find the failure that has not happened yet.
HMS Heating & Air Conditioning services furnaces across Denton County and the north Dallas suburbs, ideally in the fall before the first cold snap. Most of the no-heat emergencies we run in January were visible in October. If we find something, you get the diagnosis and the price before any repair happens, and if everything checks out, we tell you that and leave.
Choose HMS
Built on Honesty, Since 2015
HMS Heating & Air Conditioning was founded by Gary Hays, a North Texas native who served in the Marine Corps as an aviation electrician.
He earned his HVAC license in 2015 and built the company on a simple standard: explain the problem, lay out your options with prices, and only then pick up a tool. That's how we handle every furnace tune-up across Denton County, and it's why so many of our customers come from referrals and stay for good.
And if it turns out you don't need the expensive fix, we'll tell you that too. Honesty, integrity, and a reasonable price have been the standard here from day one.
We Service and Repair All Major HVAC Brands
Our Process
What a Tune-Up Actually Involves
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Start at the Thermostat
We confirm the control is calling correctly and the system responds the way it should before opening anything up.
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Combustion Check
Burners, igniter, flame sensor, and gas pressure. Clean, steady combustion is both an efficiency question and a safety one.
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Take the Measurements
Temperature rise, static pressure, and blower amp draw. Numbers outside spec point at problems long before they become breakdowns.
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Airflow and Filtration
A restricted filter or an undersized return makes a healthy furnace overheat and shut down. We check what the system is actually breathing through.
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Clean and Tighten
Blower compartment, sensors, and electrical connections get cleaned and checked. Loose connections cause a surprising share of winter failures.
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Tell You What We Found
You get a plain report: what is fine, what is wearing, and what needs attention now with a price. No pressure attached.
Why Bother
What a Yearly Visit Actually Buys You
Combustion safety. A cracked heat exchanger or a failing flame sensor is not something you notice from the living room. It is something a technician finds with a meter.
Lower running cost. A dirty burner and a restricted filter both make the furnace work harder for the same heat. That shows up on the gas bill every month.
Fewer emergency calls. Most January no-heat calls were a worn igniter or a dirty sensor in October. Catching those on a scheduled visit is far cheaper than at 10pm.
A longer service life. Equipment that runs clean and within spec lasts longer. Neglect is the most common reason a furnace dies early.
Warranty protection. Most manufacturer warranties expect documented annual service. Skipping it can cost you coverage right when you need it.
What to Expect
What the Tune-Up Covers
Your Home,
Protected
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Burners and Ignition
Burner condition, igniter, and flame sensor checked and cleaned so the furnace lights reliably all winter.
Book a Tune-Up -
Performance Measurements
Temperature rise, gas pressure, and static pressure recorded against spec rather than eyeballed.
Book a Tune-Up -
Airflow and Filtration
Filter condition, return sizing, and blower performance, because most overheating faults start here.
Explore Airflow Diagnostics -
Safety Inspection
Heat exchanger, venting, and gas connections checked so combustion gases go where they belong.
Book a Tune-Up -
Controls and Thermostat
We verify the thermostat is calling correctly and staged equipment is actually using its stages.
Explore Thermostats -
Honest Condition Report
What is fine, what is wearing, and what needs doing now, with prices. Nothing gets fixed without your say-so.
Explore Furnace Repair
Customer Reviews
Trusted by Homeowners Across Denton County
"HMS is literally the best heating and air company you're ever going to find. We've been using them for years now and they have never let us down!!!"
"We woke up to a freezing house today because our unit's fan wasn't turning on. We called HMS, and Michelle was so kind on the phone. She quickly dispatched a technician, who arrived within an hour. They identified the issue right away…"
"These guys were on time and made things happen during the ice storm. Stayed till the job was done and restored my heat. I highly recommend!"
"Andrew and Nate were very professional, honest, & thorough.. They took their time making sure they diagnosed the problem correctly, within a few hours our heating system was running.."
"I had been with a different HVAC company for several years and they were going to charge me thousands of dollars to repair my heating unit. I wanted a second opinion, so I contacted HMS. Gary Hays was incredibly polite and professional…"
"I had an urgent need for my system to be checked due to concerns of carbon monoxide. They were at my house within 30 minutes. I was so grateful they were there when I needed them!"
"Top notch service! Andrew took the service call dispute awful weather conditions. He diagnosed the problem and gave us the solution. 10/10 would recommend this company. I'll definitely call them next time I have an issue."
"HMS deserves every one of these 5 star reviews! Andrew and Nate were super friendly, quick and easy to work with. They found the issue didn't push any extra products but did present all my options. I'll be calling them from now…"
"Very prompt and reliable. I appreciate the communication from the first contact through completion of the job. Andrew was very respectful, honest, knowledgeable, and efficient. Highly recommend!"
"Service techs were on-site within three hours of my call for assistance. The repair price was in line with regional standards, and the technicians were very helpful and nice to deal with. Would recommend this HVAC company for systems and repair."
"They did an amazing job with answering my call right before closing, coming out within 2 hours, and fixing my AC all in one night! Super professional, kind, and honest about what work needs to be done! Highly recommend for anyone!"
"Great company. Highly recommend. Gary and Andrew have helped us out in a pinch several times. They are fairly priced, prompt, don't push extras, and have great communication."
Common Questions
Furnace Maintenance Questions, Answered
How often does a furnace really need servicing?
Once a year, ideally in the fall before you need it. Annual service is also what most manufacturer warranties expect, so skipping it can quietly cost you coverage.
What is the difference between your tune-up and a cheap one?
Measurements. A real tune-up records gas pressure, temperature rise, static pressure, and blower draw and compares them against the specification. If nobody put a meter on your furnace, it was a visual inspection with a sticker.
My furnace is working fine. Is maintenance really necessary?
That is exactly when it is worth doing. A tune-up is not for fixing a broken furnace, it is for finding the worn igniter or dirty sensor that would otherwise strand you on the coldest night of the year.
How long does a tune-up take?
Usually around an hour for a single system in good condition. Longer if we find something that needs a closer look, and we will tell you what we are doing and why.
Will you try to sell me a new furnace?
No. Plenty of the furnaces we service are old, and plenty of those have years left. If yours is genuinely near the end we will say so plainly, but a tune-up is not a sales call.
Do you service furnaces you did not install?
Yes, and most of them are. We work on every major brand regardless of who put it in.