Every furnace cleaning includes the full mechanical and airflow service described below. If we find something outside this scope, like a cracked heat exchanger or a failed blower motor, we quote the repair separately and you decide. No surprise charges, no work done without your go-ahead.
We pull the blower motor, vacuum the wheel and housing, and wipe down the cabinet interior. The burners get brushed and the flame sensor and igniter are cleaned and tested with a multimeter. This is the step that restores airflow and stops the furnace from short cycling.
Using an inspection camera, we check the heat exchanger for cracks, rust-through, and soot streaks. Any carbon monoxide concern gets flagged with combustion analyzer readings shown to you on the spot. This inspection is the single most important safety check on a gas furnace.
Every supply register and return grille comes off, the boots get vacuumed, and the duct system runs under negative pressure so debris lands in our collection unit. We seal leaking joints in attics and crawlspaces with duct sealant. This is what fixes rooms that never reach temperature.
We install a fresh air filter sized correctly for your cabinet and recommend the right MERV rating for your household. Too high a MERV chokes airflow; too low lets debris through. We tell you which one your system actually needs, not just what is on sale.
A combustion analyzer verifies the burners are firing at the correct air-to-fuel ratio, and a manometer confirms static pressure is within manufacturer spec. You get before-and-after numbers in writing, which also satisfies most furnace manufacturers' maintenance warranty requirements.
We test the thermostat, gas valve, and furnace control board for fault codes and calibration issues. Nest and Honeywell controls get checked for schedule accuracy and proper staging. If a capacitor or thermocouple is reading weak, we tell you before it fails mid-winter.
Furnace Cleaning in Colorado is a full mechanical and airflow service, not a quick wipe-down. We pull the blower motor, vacuum the heat exchanger and plenum, brush the burners, clean the flame sensor and igniter, and seal leaks in the duct runs feeding each room. A combustion analyzer checks that the burners are firing at the right air-to-fuel ratio, and a manometer confirms static pressure is where the manufacturer designed it. Most homes take two to four hours depending on how many registers and returns we are working with.
Colorado homes earn this service. Between the dust that blows off the eastern plains, the wood smoke and pollen along the foothills, and the dry forced-air heat that runs five months straight, filters load up fast and blower wheels cake with debris. When airflow drops, the furnace short cycles, the heat exchanger runs hotter than it should, and your gas bill climbs. That is why we recommend a furnace and duct cleaning Colorado homeowners schedule every fall, before the first hard freeze hits.
We run the same sequence on every furnace cleaning service Colorado call, whether it is a 900-square-foot ranch in La Junta or a 4,000-square-foot mountain home in Fraser. Here is exactly what happens from the moment we pull up.
Schedule
Call or book online — a real human picks up and confirms a 2-hour arrival window.
Diagnose
Licensed tech inspects on-site, then walks you through the cause and your options.
Fix
The job is completed to code and done right the first time — no shortcuts, no surprises.
Guarantee
Every job backed by a written workmanship warranty — and we stand behind it.
Combustion Analyzer
Measures oxygen, carbon monoxide, and flue temperature to confirm the burners are firing at the correct air-to-fuel ratio. Every gas furnace visit includes a combustion test with readings shared with you.
Manometer
Reads static pressure at the plenum and across the filter to quantify airflow restriction. Before-and-after manometer readings show exactly how much the cleaning improved your system.
Inspection Camera
Lets us see inside the heat exchanger and duct runs without cutting into the cabinet. This is how we catch cracks, rust-through, and debris blockages that are invisible from the outside.
Clamp Meter and Multimeter
Tests blower motor amp draw, capacitor health, flame sensor microamps, and igniter resistance. These readings tell us whether a component is fine, marginal, or about to fail.
HEPA Vacuum and Duct Collection Unit
Captures debris from the cabinet, blower, and duct runs under negative pressure so nothing ends up in your living space. The HEPA filtration keeps fine dust from recirculating during the job.
Vacuum Gauge
Verifies gas valve inlet and manifold pressure on gas furnaces. Correct gas pressure is what keeps the burners firing cleanly and the heat output where the manufacturer rated it.
ACCA Static Pressure Testing
We follow ACCA standards for measuring total external static pressure and comparing it to the manufacturer's rated airflow. If your system is running above spec, we identify whether the restriction is the filter, the coil, the duct design, or the blower itself.
Combustion Analysis and Draft Verification
Every gas furnace gets a combustion test with flue draft verification. We check for carbon monoxide spillage, confirm the flue is drafting properly, and document the readings. This is the safety step that catches heat exchanger problems before they become dangerous.
Negative-Pressure Duct Cleaning
We run the duct system under negative pressure while agitating each branch line, so loosened debris travels to our collection unit instead of into your rooms. Registers and returns come off first, and every boot gets vacuumed by hand.
Component-Level Electrical Testing
Flame sensors get microamp readings, igniters get resistance checks, capacitors get capacitance tests, and blower motors get amp draw measurements. We replace what is failing and leave what is healthy, with the numbers to back up the call.
01
What we do: We run the full cleaning and inspection, document the heat exchanger condition, and give you a baseline set of readings for the system. If the previous owner skipped maintenance, we will find it and tell you what it needs.
→ You start the heating season with a clean furnace, a documented baseline, and no surprises waiting for the first cold snap.
02
What we do: We pull the blower, clean the cabinet and heat exchanger, replace the filter, and check the burners and flame sensor. The dust smell usually comes from debris burning off the heat exchanger, and cleaning removes it.
→ The smell is gone, airflow is restored, and the furnace runs quieter and cycles less often through the winter.
03
What we do: We schedule block appointments, clean each furnace and duct system, and provide per-unit documentation of combustion readings and heat exchanger condition. We work across the Front Range and Western Slope on the same route.
→ Every unit is documented and ready for winter, and you have written proof of maintenance for your records and warranty claims.
04
What we do: We measure static pressure, check the blower motor amp draw, and clean the entire air path. Restricted airflow is the most common reason a furnace runs longer than it should, and cleaning usually fixes it without any parts replacement.
→ Most homes see a measurable drop on the next gas bill after cleaning, plus a furnace that holds temperature instead of chasing it.
Colorado furnaces work harder than furnaces in most states. Heating season runs October through April along the Front Range, and in Fraser, Eagle, and the high country it can stretch into May. The dry air pulls moisture out of everything, including duct sealant, which is why leaking joints in attics and crawlspaces are so common here. On the eastern plains around Calhan and Matheson, wind-driven dust loads filters in weeks rather than months. Along the Western Slope in Grand Junction, temperature swings between day and night stress heat exchangers differently than the steady cold on the Front Range. We adjust the cleaning sequence and filter recommendation to match your region, and we test combustion and static pressure on every visit. If you are wondering how often should furnace be cleaned in Colorado, the honest answer for most homes is once a year, and twice if you have pets, allergies, or a recent remodel.
Front Range Metro
Denver, Aurora, Longmont, and the surrounding suburbs have a mix of older ranch homes and newer tight builds. Older homes often have undersized returns; newer homes need correctly sized filters to avoid choking airflow.
High Country
Fraser, Eagle, Avon, and Breckenridge sit above 7,000 feet, where furnaces run longer and combustion air is thinner. We adjust combustion testing for altitude and check flue draft carefully on every mountain visit.
Eastern Plains
Calhan, Matheson, Strasburg, and the plains towns deal with wind-driven dust that loads filters fast. We recommend higher-capacity filtration and more frequent blower cleaning on these routes.
Western Slope
Grand Junction and the surrounding valleys see wide day-night temperature swings. Heat exchangers expand and contract more here, so we inspect them carefully and document condition year over year.
Foothills and Mountain Communities
Pine, Idledale, Coal Creek, and the foothill towns often have wood smoke and pollen in the air. Duct cleaning matters more here because those particles settle in the system and recirculate all winter.
Five to six months of continuous heating season
Furnaces run far more hours per year than in milder states, so blower wheels and heat exchangers accumulate debris faster. Annual cleaning is the minimum, not a luxury.
Low humidity and dry forced-air heat
Dry air dries out duct sealant and causes joints to separate over time. We check and reseal duct connections on every cleaning, especially in attics and crawlspaces.
High-altitude combustion in mountain towns
Above 7,000 feet, thinner air changes the air-to-fuel ratio. We adjust combustion analyzer expectations for altitude and verify the furnace is derated correctly if the manufacturer requires it.
Wind-driven dust on the eastern plains
Filters load up in weeks instead of months, and blower wheels cake with fine grit. Plains homes do better on a twice-a-year cleaning schedule and higher-MERV filtration.
Most winter no-heat calls start as small airflow or ignition issues that a fall cleaning would have caught. Here are the problems we see most often on Colorado furnaces and what happens when they are ignored.
Problem
Usually a dirty flame sensor or a blower running with restricted airflow. Left alone, the furnace short cycles, the heat exchanger overheats, and you are looking at a repair bill instead of a cleaning.
Our Fix
We clean the flame sensor, verify the igniter with a multimeter, and check the gas valve. If airflow is the culprit, cleaning the blower wheel and replacing the filter restores proper heat delivery on the same visit.
Problem
Delayed ignition from dirty burners lets gas build up before it lights, which produces that thump. Repeated delayed ignition cracks heat exchangers over time and creates a real safety concern.
Our Fix
We brush and clean the burners, check the igniter and flame sensor, and verify gas pressure at the valve. Combustion analyzer readings confirm the burners are firing cleanly before we leave.
Problem
Restricted airflow makes the blower motor draw more amps than the circuit allows, tripping the breaker. Short cycling wears out the control board, igniter, and blower motor years early.
Our Fix
We test the blower motor with a clamp meter, measure static pressure with a manometer, and clean the cabinet and ducts to remove the restriction. If the capacitor is weak, we replace it on the spot.
Problem
Leaking duct joints in attics and crawlspaces dump heated air into unconditioned space. You pay to heat the attic while the back bedroom stays cold, and the furnace runs longer than it should.
Our Fix
We clean every register and return, seal leaking duct joints with duct sealant, and verify static pressure at the plenum. Most homes see the temperature gap between rooms close within a few degrees after the visit.
A clean furnace moves air the way it was engineered to. Here is what that looks like in real numbers for Colorado homes running heat from October through April.
Lower Monthly Gas Bills
A dirty blower wheel and clogged filter can cut airflow by 20 to 30 percent, forcing the furnace to run longer for the same heat. After cleaning, most Colorado homes see a measurable drop on the next gas bill. We measure static pressure before and after so you can see the difference on paper.
Fewer Mid-Winter Breakdowns
Most no-heat calls we run in January trace back to a dirty flame sensor, a tripped limit switch, or a blower motor overheating under debris. Cleaning those components in the fall removes the three most common causes of a furnace blowing cold air at 2 a.m. on a below-zero night.
Cleaner Air Through the House
Every time the blower kicks on, it pushes whatever is sitting in the cabinet and ducts into your living space. Removing built-up dust, pet dander, and construction debris means your family breathes less of it. Households with allergies or a newborn notice the difference within the first heating cycle.
Longer Equipment Life
A furnace that runs hot because of restricted airflow wears out its heat exchanger and blower motor years early. Keeping the cabinet, burners, and ducts clean is the cheapest way to stretch a 15-year furnace toward 20. It also keeps your manufacturer warranty intact, since most brands require documented maintenance.
Typical 2026 pricing for furnace cleaning in Colorado runs $180 to $450, with the average around $260. That covers the full mechanical cleaning, duct and register cleaning, filter replacement, and combustion and static pressure testing. Larger homes with more duct runs, heavily soiled blowers, or add-on duct sealing land at the higher end. You get the exact price before we start, and there is no charge for the estimate.
Typical Investment Range
$180 - $450 depending on system size, duct count, and blower condition
A $260 cleaning that restores airflow and drops your gas bill by 10 to 15 percent pays for itself over one Colorado winter. It also satisfies the annual maintenance requirement most furnace manufacturers attach to their parts warranty, which protects a much bigger investment.
What changes the price
System size and duct count
A 1,200-square-foot home with eight registers takes less time than a 3,500-square-foot home with 20. More registers and returns mean more boots to vacuum and more duct runs to clean, which adds labor time.
Blower condition
A lightly dusty blower cleans quickly. One caked with pet hair, drywall dust, or years of plains grit has to be pulled and cleaned by hand, which adds $80 to $150 to the job depending on how bad it is.
Duct sealing needs
If we find leaking joints in the attic or crawlspace, sealing them with duct sealant adds time and material. It is usually worth it, since leaking ducts are the top cause of uneven heating and high gas bills.
Access difficulty
Furnaces in tight closets, low crawlspaces, or attic installations take longer to service safely. We tell you upfront if access will affect the price, so there are no surprises on the invoice.
Add-on services
Duct cleaning beyond the standard register and boot vacuum, dryer vent cleaning, or a full furnace tune-up with burner calibration can be added. Each is quoted separately so you can pick what your system actually needs.
Google ★★★★★4.9
Booked a furnace cleaning before winter and they showed me the static pressure readings before and after. Night and day difference in how fast the house heats up. No upselling, just straight answers about what the system needed.
Yelp ★★★★★4.8
They cleaned our furnace and ducts in Longmont and found a crushed return line the previous company missed. Fixed it on the same visit. Bedrooms are finally warm and the furnace does not run constantly anymore.
BBB ★★★★★4.9
Managed a block of rental cleanings in Grand Junction. Every unit documented with combustion readings, every invoice matched the quote. They flagged a cracked heat exchanger on one unit that could have been a serious problem.
Google ★★★★★5.0
Called about a dusty smell every time the heat kicked on. They pulled the blower, cleaned everything, and replaced the filter with the right MERV rating. Smell is gone and the air in the house feels cleaner. Fair price, on time, no drama.
Our technicians carry NATE certification and work under a Colorado HVAC license, with EPA Section 608 handling for any refrigerant-side work on heat pumps paired with a furnace. We follow ACCA standards for airflow and static pressure testing, and every job is documented to OSHA safety compliance. We have cleaned and tuned furnaces across every brand that matters in this state: Lennox, Carrier, Trane, Goodman, Rheem, York, Bryant, American Standard, Amana, and Coleman. We also work with Nest and Honeywell controls daily, so your thermostat settings get checked as part of the visit.
We run furnace cleaning routes across the entire state, from the Front Range metro to the Western Slope and the eastern plains. Whether you are in a mountain town at 8,000 feet or a plains community where the wind never stops, the cleaning sequence and documentation are the same. Here are some of the Colorado communities we serve regularly.
Avon sits at 7,400 feet, where furnaces run long and combustion air is thin. We adjust combustion testing for altitude and check flue draft carefully on every Avon cleaning.
Boncarbo's rural setting means well water, wood heat, and dust from unpaved roads. We clean blowers and ducts thoroughly here and recommend higher-capacity filtration for the conditions.
Calhan sits on the eastern plains where wind-driven dust loads filters in weeks. We schedule regular cleaning routes through Calhan and recommend twice-a-year service for most homes.
Coal Creek's foothills location means wood smoke and pollen settle into duct systems. We clean registers and returns by hand and seal leaking joints in attics and crawlspaces.
Dacono's mix of older homes and newer builds means we see both undersized returns and tight modern cabinets. We size the filter correctly for each and document static pressure readings.
Eagle's high-country winters run long, and furnaces here work hard from October into May. We clean heat exchangers carefully and verify combustion at altitude on every visit.
Evans homes often have original 1970s ductwork with leaking joints in the attic. We clean the full system, seal what is leaking, and restore even heating across the house.
Fraser is one of the coldest towns in Colorado, and furnaces there run nearly year-round. We prioritize heat exchanger inspection and combustion testing on every Fraser cleaning.
Grand Junction's wide day-night temperature swings stress heat exchangers. We inspect them with a camera on every visit and document condition year over year for Western Slope homeowners.
Idledale's canyon setting means pine pollen and wood smoke in the air. We clean duct systems thoroughly here and seal joints that have dried out from low humidity.
La Junta's southeastern plains climate brings dust and wide temperature swings. We clean blowers and ducts, seal leaking joints, and set up filtration that holds up to the conditions.
Longmont has a mix of Victorian-era homes and new construction, each with different airflow challenges. We measure static pressure and size the filter correctly for whatever the system needs.
Matheson's open plains location means constant wind and dust. We recommend higher-MERV filtration and clean blower wheels thoroughly on every Matheson route.
Nunn sits northeast of Fort Collins where wind and dust are a fact of life. We clean furnaces and ducts here with filtration recommendations built for the conditions.
Pine's foothills location means wood heat, pollen, and dry air. We clean the full system, seal dried-out duct joints, and verify combustion on every Pine visit.
Real answers to the questions we hear most often from local homeowners and property managers.
If cleaning turns up a cracked heat exchanger, a failed blower motor, or a furnace tripping breaker, we repair it on the same visit when parts allow. Our trucks carry common igniters, flame sensors, capacitors, and gas valves for Lennox, Carrier, Trane, and Goodman units.
View Furnace RepairWhen a furnace is past saving, we size and install a new unit to ACCA Manual J standards, pull the local building permit, and commission it with combustion analyzer readings. Cleaning history from your old system helps us match the right capacity for your home.
View Furnace InstallationFull replacement means new furnace, new flue connections, and a fresh filter cabinet. We haul the old unit, seal the plenum, and verify static pressure on the new system so the airflow is right from day one instead of year three.
View Furnace ReplacementA furnace tune up and cleaning Colorado appointment pairs the deep clean with a full mechanical adjustment: burner calibration, blower speed check, thermostat calibration, and safety testing. It is the annual service most manufacturers require to keep your warranty valid.
View Furnace Tune-UpOngoing maintenance keeps filters fresh, monitors heat exchanger condition year over year, and catches small issues before they become no-heat calls. We track your system's readings so we can tell you when something is trending the wrong direction.
View Furnace MaintenanceNo heat at 2 a.m. in a Colorado January is an emergency, and we treat it like one. Our 24/7 line dispatches a stocked truck, and we carry the parts that fail most often so we can get you warm on the first visit whenever possible.
View Emergency Furnace RepairCall (833) 588-3896 any time, day or night. A live dispatcher answers, asks what your furnace is doing, and gives you a real arrival window. For non-emergency tune-ups and installs, email us and we'll get back to you the same business day.
Phone
(833) 588-3896Address
Colorado
Hours
Mon–Fri: 7AM – 7PM
Sat: 8AM – 4PM
Sun: Emergency Only
24/7 Emergency Available
