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Furnace Repair in Kennesaw, GA

Furnace Replacement in Kennesaw, GA – Done Right the First Time

If your furnace is breaking down, blowing cold air, or driving up energy bills, it’s time for an upgrade. SP Heating & Air provides professional furnace replacement in Kennesaw, GA, backed by local knowledge, top-tier brands, and fast installation. We serve Legacy Park, Barrett Parkway, and homes throughout Cobb County.

When to Replace Your Furnace

Your furnace might be due for replacement if:
  • It’s 15+ years old
  • You’ve had 2+ repairs in the last year
  • Energy bills keep rising
  • Your home has hot/cold spots
  • It’s constantly running or cycling
  • It’s making loud noises or smells burnt

What’s Included in Your Replacement

  • Free in-home consultation
  • Load calculation and system sizing
  • Installation of high-efficiency gas or electric furnaces
  • Smart thermostat setup
  • Same-day or next-day installation
  • Clean removal and disposal of your old unit
  • Full system testing and warranty documentation

Request Service
Talk with an Expert
(678) 697-2305

Our Services

  • SP Heating & Air

Why CHoose Us

Proper Sizing & System Selection

We help Kennesaw homeowners choose a furnace that fits the home’s needs for comfort, efficiency, and reliability.

Installation Built for Performance

We prioritize clean installation, correct setup, and final testing for safe, steady heating.

Local Team You Can Call Anytime

We’re here for tune-ups and service after installation—so you’re supported long-term.

  • FAQ's

Frequently Asked Questions

What are replacement warning signs?
Frequent repairs, short cycling, uneven heat, higher bills.
Often one day, depending on complexity.
Often yes, especially vs. older inefficient units.
Not always—only if airflow/leaks are an issue.
Yes—every 1–3 months is common.
Annual tune-up is recommended.