Heating System Inspections & Safety Checks in Denver, CO

Before Buying or Selling a Home

Standard home inspections in the Denver area typically include a basic visual check of the heating system, but rarely a true performance and safety evaluation. If the home you are buying has a furnace older than 10 years, a boiler, or any unusual heating setup, a dedicated mechanical inspection by a licensed HVAC contractor is one of the most valuable investments in due diligence you can make. We document the system's age, current condition, safety status, remaining expected life, and any deferred maintenance, information you can use to negotiate price, request seller repairs, or simply enter the transaction with eyes open.

If you are selling, a pre-listing inspection lets you address issues before buyers find them, present documentation of system condition to prospective buyers, and avoid mid-transaction surprises that derail deals.

Carbon Monoxide and Combustion Safety Concerns

If anyone in your household has experienced unexplained headaches, nausea, dizziness, or flu-like symptoms that improve when you leave the home, a CO inspection should be a top priority. Carbon monoxide poisoning is responsible for hundreds of deaths and tens of thousands of emergency room visits in the United States every year, and faulty heating equipment is the leading cause. MSI's inspections include direct CO measurement at registers and around appliances using calibrated detectors.

After Major Weather Events

Denver hailstorms can damage outdoor heat pump units, condensers, and rooftop equipment, often in ways that are not immediately obvious. Extreme cold events can stress systems in ways that reveal underlying weaknesses. Power surges from storms can damage control boards and inverters. A post-event inspection identifies hidden damage before it becomes a winter breakdown.

End-of-Life Evaluations

If your furnace or boiler is approaching the end of its typical lifespan, a thorough inspection answers the practical question: do I have one more season in this system, or am I gambling? We assess heat exchanger integrity (the most critical component), combustion efficiency, electrical condition, and overall performance, giving you a data-driven recommendation rather than a guess.

Insurance, Warranty, or Warranty Claim Requirements

Some manufacturer warranties require documented annual inspections to remain valid. Home warranty companies may require professional inspection documentation when processing claims. Insurance companies may require certified inspections after fire, flood, or carbon monoxide incidents. MSI provides the documentation these requirements demand.

Our heating system inspections combine the depth of a commercial-grade evaluation with documentation suitable for any audience, real estate transactions, insurance, warranty, or personal records. A complete inspection includes:

Safety Verification

• Detailed heat exchanger inspection for cracks, perforations, rust, or signs of failure (gas furnaces)
• Direct carbon monoxide measurement at supply registers and around the equipment
• Combustion analysis with calibrated analyzer (CO ppm, O2 percentage, combustion efficiency)
• Gas pressure verification (specific to Denver's altitude)
• Venting and combustion air inspection (proper sizing, draft, blockages)
• All safety controls tested (high limit, rollout, pressure switches, flame proving)
• Gas leak check at all visible joints
• Electrical inspection (grounding, connections, capacitor health)

Performance Evaluation

• Temperature rise measurement across heat exchanger
• Static pressure measurement (indicates ductwork or filter restriction)
• Blower motor amp draw and capacitor performance
• Boiler water pressure, temperature, and circulator performance (boilers)
• Refrigerant pressures and superheat/subcool (heat pumps)
• Ignition system performance and timing
• Complete operational cycle observation

Documentation and Reporting

• Equipment age, model, and serial number documentation
• Photographs of relevant findings
• Written assessment of system condition and remaining expected life
• List of any immediate safety concerns
• Recommendations for repair, maintenance, or replacement
• Cost estimates for any recommended work (no obligation)

If there is one component in your furnace worth a professional inspection above all others, it is the heat exchanger. A cracked heat exchanger allows combustion gases, including carbon monoxide, to mix with the heated air being circulated through your home. The damage is usually invisible to the homeowner. Detection requires removing access panels, using specialized inspection cameras or mirrors, and in some cases, performing combustion analysis or CO testing during operation.

Cracked heat exchangers cannot be repaired safely, they require furnace replacement. We never recommend replacement based on a heat exchanger inspection unless we have clear evidence of damage, and we document our findings with photographs whenever possible. Honest inspection findings matter more than billable repair recommendations, and our reputation depends on every assessment being accurate.

• Certified Carrier Factory Authorized Dealer, the industry's highest dealer credential
• Established in 1998, over 27 years of Colorado HVAC experience
• Trusted by Denver Health, EPA Region 8, NREL, and the Denver Public Library
• Fully licensed Colorado mechanical and plumbing contractor (P.C.0003362, M.P.00179722)
• BBB Accredited Business
• 24/7 emergency heating repair across the Denver metro area
• Service, repair, and maintenance for all major heating brands
• In-house, NATE-trained technicians, no subcontractors
• Free in-home estimates on new installations and replacements
• Financing options available on qualifying installations
• Maintenance plans available to extend system life and protect efficiency

How much does a heating system inspection cost in Denver?

Standalone heating system inspections in the Denver metro typically range from approximately $150 to $400 depending on the depth of inspection requested and the type of system (gas furnace, heat pump, boiler, multi-zone). Pre-purchase inspections that include written reports suitable for real estate transactions are typically on the higher end of that range. MSI provides clear up-front pricing when you schedule.

How is an inspection different from a tune-up?

A tune-up is preventive maintenance on a system you already own and know is working, cleaning, basic safety checks, and small adjustments. An inspection is a diagnostic evaluation of system condition, safety, performance, and remaining life, usually performed when there is a specific reason to scrutinize the system carefully. Inspections produce detailed written reports; tune-ups typically produce a service receipt.

Should I get an inspection before buying a home?

Strongly recommended, particularly if the home's furnace is more than 10 years old, the boiler is more than 15 years old, or there are any obvious signs of past issues. Standard home inspections often miss heating system problems because home inspectors are generalists. A dedicated mechanical inspection by a licensed HVAC contractor costs a few hundred dollars and can save you from inheriting tens of thousands of dollars in unexpected repairs or replacements.

My carbon monoxide detector keeps going off but the furnace works fine. What's happening?

Do not ignore this. Modern home CO detectors are sensitive, and any alert warrants immediate professional inspection. The source might be the furnace (cracked heat exchanger, combustion problem, blocked vent), the water heater, a fireplace, an attached garage, or another combustion source. MSI's inspection includes direct CO measurement around every potential source to identify exactly where the gas is coming from.

How long does a typical inspection take?

A thorough heating system inspection typically takes 60-90 minutes for a single forced-air system, 90-120 minutes for a boiler, and longer for multi-zone or complex systems. Pre-purchase inspections may take longer because we document everything in detail for the written report.

Will the inspection identify problems requiring repair?

Often yes, that is one of the main reasons to do an inspection. When we find issues, we explain what they are, how urgent they are, and what they cost to repair. There is never any pressure to use MSI for the repairs, though we welcome the opportunity to follow through. For pre-purchase inspections, our written report gives buyers and their agents the information they need to negotiate or walk away.

Whether you are buying a home, evaluating an aging system, addressing a safety concern, or simply want a thorough professional assessment, MSI provides Denver-area heating inspections that go deeper than the competition. Call to schedule.