Regular maintenance extends equipment life, boosts efficiency, saves you money, and ensures home comfort.

Our fully certified and trained technicians perform top-to-bottom checkups, cleaning, and annual servicing of your equipment to ensure it is working smoothly and efficiently.

Book a Consultation or Diagnostic

The impact of maintenance on your peace of mind and comfort.

In our experience engaging in furnace maintenance service ensures homeowners receive consistent comfort, financial clarity, and savings from the outset and over time.

  • Electric Thermostat Issues
  • Filter Problems
  • Clogged Condensate Lines
  • Gas Valve Issues
  • Clogged Burner

Get a 21-point inspection and tune-up.

One of our expert Sterling Heating Technicians will conduct a 21-point inspection and tune-up of your furnace and catch any small issues before they evolve into bigger ones.

What's involved?

Despite their relatively mechanical simplicity, all furnaces have multiple components that require regular checks. A 21-point inspection examines each, ensuring no damage and performing the required maintenance.


Adult mail hand with finger pointed on a thermostat
Thermostat - Verify Proper Operation


Venting - Perform visual inspection


Sterling technician repairing furnace
Grade - Check and Ensure proper grading of the furnace and venting


Technician changing filter in a HVAC system
Drain - Visual inspection for blockage/damage


Gas furnace unit
Condensate - Clean condensate drain and trap


Central gas heater repair
Heat Exchanger - Visual inspection


Water tank and gas pipes for a modern gas boiler
Gas Lines - Inspection of gas line integrity


Blower Motor - Check bearings & pulley alignment


Blower Motor - Clean Cooling Openings


Burner & Transfer Rails - Test burner operation and clean transfer rails


Technician repairing HVAC system
Safety Limits - Verify Proper Operation


Technician at work
Hot Surface Igniter - Record Ohms reading


Technician with a single stage furnace
Flame Sensor - Micro amps reading Before cleaning


Technician and a HVAC unit
Flame Sensor - Micro amps reading After cleaning


Technician and a furnace unit
Inducer Motor - Record low amp draw


Technician checking pipes of a water heater
Inducer Motor -Record high amp draw


Technician taking care of HVAC system
Blower Motor - Record low amp draw


Technician checking water heater
Blower Motor - Record high amp draw


Technician takes care of a gas furnace issue
Electrical Connections - Check and tighten all electrical connections


Replacing filter in a central ventilation system
Furnace/Air Filter - Record filter size/Replace air filter


HVAC technician performing gas heater check
Wipe Down and Vacuum all Surfaces
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Hear from our customers

Ready to get started?

Sterling team member

Book a Consultation

We have HVAC systems experts available that would be happy to share their knowledge, answer questions, and suggest solutions for Furnaces, Water Heaters, and A/C.
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Sterling technician changes air filter

SterlingCare plans start as low as $9.99/month.

Take back control and enjoy peace of mind with a SterlingCare Maintenance Plan.