New Furnace Installation in Des Moines

Upgrade Your Home Comfort with a New Furnace

When your heating system has served you well but is now showing signs of age, it’s time to consider a new furnace installation from Thrasher Service. Serving the Des Moines metro since 1978, we specialise in replacing older furnaces with high-efficiency models from Goodman — to keep your home warm all winter long.

Why Should You Invest in a New Furnace?

• Older furnaces (15+ years) often lose efficiency, drive up utility bills and become more prone to breakdowns.
• A new high-efficiency furnace can significantly reduce energy use, improve indoor comfort and eliminate cold-spots.
• Installing a modern furnace now can avoid emergency no-heat calls in the middle of winter, giving you peace of mind.
• Upgrading to a Goodman furnace means you get a trusted brand, excellent warranty coverage and long-term performance.
• A new furnace also adds value to your home and strengthens your heating system’s reliability and resale appeal.

Why Choose Thrasher Service for Your Furnace Replacement?

• Locally owned and operated in Des Moines since 1978. We know Midwestern homes and heating demands.
• Licensed, insured HVAC technicians, EPA-certified, trained to install the Goodman models we sell.
• Free estimates on every furnace installation. You get no surprises, just honest recommendations.
• Service across the entire Des Moines metro area (West Des Moines, Waukee, Ankeny, Johnston, Clive, etc.).
• Respect for your home — clean work, protective coverings, full post-install walkthrough and satisfaction guarantee.

What Does the Installation Process Look Like?

Here’s how we make your new furnace installation smooth and dependable:

Initial consultation & free estimate

• We discuss your current system, your comfort goals, and your budget.
• We inspect your home’s heating load, ductwork, and existing infrastructure.
• We provide transparent pricing and explain the benefits of a Goodman furnace or other suitable models.

Scheduling & preparation

• Once you approve the project, we schedule the installation at your convenience.
• We confirm permit requirements, clear the work area, protect your home with coverings and prep our technicians.

Removal of old furnace & system decommissioning

• Our team safely removes your existing furnace, disposes or recycles it according to local codes, and prepares the site.
• We inspect the flue, venting, gas lines (if applicable), and electrical wiring to ensure compliance.

New high-efficiency furnace installation

• We install the new Goodman model — properly sized for your home — and connect to existing ductwork or make necessary adjustments.
• We test all safety devices, calibrate thermostat, verify airflow and temperature rise.
• We program the system and walk you through its operation, filter changes and maintenance basics.

Final inspection & contractor guarantee

• We perform a full startup, inspect for combustion efficiency (if gas), any leaks, and ensure proper draft and venting.
• We clean the work area and review warranty, maintenance plan options, and answer your questions.
• We offer our satisfaction guarantee . We are not done until you’re comfortable.